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<mods:title id="258BA64A5971083F1FDB50D60AE2D2EE">Redescription of Nigrobaetis rhithralis (Soldán &amp; Thomas, 1983) (Ephemeroptera: Baetidae)</mods:title>
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<mods:namePart id="1A338652AAC001413732AF12CE5B7439">Martynov, Alexander V.</mods:namePart>
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<treatment id="03A087D1FFB0FFDCFF6DFA88122AFB95" ID-DOI="http://doi.org/10.5281/zenodo.5952356" ID-GBIF-Taxon="148424412" ID-Zenodo-Dep="5952356" LSID="urn:lsid:plazi:treatment:03A087D1FFB0FFDCFF6DFA88122AFB95" httpUri="http://treatment.plazi.org/id/03A087D1FFB0FFDCFF6DFA88122AFB95" lastPageId="29" lastPageNumber="70" pageId="3" pageNumber="44">
<subSubSection id="C313654CFFB0FFC2FF6DFA881416FADB" pageId="3" pageNumber="44" type="nomenclature">
<paragraph id="8BB636C7FFB0FFC2FF6DFA8814DAFAF8" blockId="3.[151,738,1342,1402]" box="[151,738,1342,1369]" pageId="3" pageNumber="44">
<heading id="D0FE81ABFFB0FFC2FF6DFA8814DAFAF8" bold="true" box="[151,738,1342,1369]" fontSize="11" level="1" pageId="3" pageNumber="44" reason="1">
<taxonomicName id="4C094D44FFB0FFC2FF6DFA8814DAFAF8" ID-CoL="73Y9Y" authority="(Soldan &amp; Thomas, 1983)" baseAuthorityName="Soldan &amp; Thomas" baseAuthorityYear="1983" box="[151,738,1342,1369]" class="Insecta" family="Baetidae" genus="Nigrobaetis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ephemeroptera" pageId="3" pageNumber="44" phylum="Arthropoda" rank="species" species="rhithralis">
<emphasis id="B97DEAD5FFB0FFC2FF6DFA8814DAFAF8" bold="true" box="[151,738,1342,1369]" pageId="3" pageNumber="44">
<emphasis id="B97DEAD5FFB0FFC2FF6DFA8817A4FAF9" bold="true" box="[151,412,1342,1368]" italics="true" pageId="3" pageNumber="44">Nigrobaetis rhithralis</emphasis>
(Soldán &amp; Thomas, 1983)
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</heading>
</paragraph>
<paragraph id="8BB636C7FFB0FFC2FF6DFAD71416FADB" blockId="3.[151,738,1342,1402]" box="[151,558,1377,1402]" pageId="3" pageNumber="44">
<figureCitation id="13322A42FFB0FFC2FF6DFAD71726FADB" box="[151,286,1377,1402]" captionStart-0="FIGURES 1–4" captionStart-1="FIGURES 5–9" captionStartId-0="4.[151,264,1764,1787]" captionStartId-1="5.[151,264,1732,1755]" captionTargetBox-0="[151,1436,519,1723]" captionTargetBox-1="[153,1431,460,1692]" captionTargetId-0="figure@4.[151,1436,519,1739]" captionTargetId-1="figure@5.[151,1436,445,1711]" captionTargetPageId-0="4" captionTargetPageId-1="5" captionText-0="FIGURES 1–4. Nigrobaetis rhithralis (Soldán &amp; Thomas, 1983), paratypes, male imago [1–2] and female imago [3–4]: 1.— general lateral view, left side; 2.—head and prothorax in lateral view, right side; 3.—general lateral view, left side; 4.—head and prothorax in lateral view, left side. Scale lines = 1 mm [1, 3]; 0.5 mm [2]; 200 µm [4]." captionText-1="FIGURES 5–9. Nigrobaetis rhithralis (Soldán &amp; Thomas, 1983), paratypes, male imagos: 5.—turbinate eyes in dorsal view; 6.—head in lateral view, right side; 7–8.—hind wings in lateral view, left side; 9.—right foreleg. Without scale lines." httpUri-0="https://zenodo.org/record/1441400/files/figure.png" httpUri-1="https://zenodo.org/record/1441402/files/figure.png" pageId="3" pageNumber="44">Figures 1–9</figureCitation>
, 
<figureCitation id="13322A42FFB0FFC2FED0FAD41745FADB" box="[298,381,1378,1402]" captionStart="FIGURE 10" captionStartId="7.[151,250,1893,1915]" captionTargetBox="[223,1359,201,1865]" captionTargetId="figure@7.[223,1360,193,1865]" captionTargetPageId="7" captionText="FIGURE 10A–C. Nigrobaetis rhithralis (Soldán &amp; Thomas, 1983), paratypes, male imago genitalia, ventral view [Figs 10A, 10B]; Nigrobaetis digitatus (Bengtsson, 1912), male imago genitalia, ventral view [Fig. 10C; Russian Federation, Psekups River; the specimen previously described as B. digigracilis by Novikova (1987)]. Figure 10C modified based on photo provided by N.J. Kluge (sampling description see above). Scale lines = 100 µm. 10A and 10C—without scale line." httpUri="https://zenodo.org/record/1441404/files/figure.png" pageId="3" pageNumber="44">10A–B</figureCitation>
, 
<figureCitation id="13322A42FFB0FFC2FE73FAD717E8FADB" box="[393,464,1377,1402]" captionStart-0="FIGURES 11–12" captionStart-1="FIGURES 13–16" captionStart-2="FIGURES 17–25" captionStart-3="FIGURES 26–35" captionStart-4="FIGURES 36–39" captionStart-5="FIGURES 40–48" captionStart-6="FIGURES 49–54" captionStart-7="FIGURES 55–60" captionStartId-0="8.[151,264,1168,1191]" captionStartId-1="10.[151,264,1844,1867]" captionStartId-2="11.[151,264,1936,1959]" captionStartId-3="12.[151,264,1793,1816]" captionStartId-4="13.[151,264,1696,1719]" captionStartId-5="14.[151,264,1588,1611]" captionStartId-6="15.[151,264,1761,1784]" captionStartId-7="16.[151,264,1963,1986]" captionTargetBox-0="[151,1436,193,1134]" captionTargetBox-1="[151,1436,204,1813]" captionTargetBox-2="[189,1400,194,1922]" captionTargetBox-3="[151,1421,213,1750]" captionTargetBox-4="[151,1436,877,1674]" captionTargetBox-5="[155,1396,530,1543]" captionTargetBox-6="[151,1436,373,1741]" captionTargetBox-7="[193,1395,200,1923]" captionTargetId-0="figure@8.[151,1436,193,1147]" captionTargetId-1="figure@10.[151,1436,193,1823]" captionTargetId-2="figure@11.[180,1414,193,1925]" captionTargetId-3="figure@12.[151,1436,193,1772]" captionTargetId-4="figure@13.[151,1436,877,1676]" captionTargetId-5="figure@14.[151,1436,517,1567]" captionTargetId-6="figure@15.[151,1436,373,1741]" captionTargetId-7="figure@16.[189,1398,193,1942]" captionTargetPageId-0="8" captionTargetPageId-1="10" captionTargetPageId-2="11" captionTargetPageId-3="12" captionTargetPageId-4="13" captionTargetPageId-5="14" captionTargetPageId-6="15" captionTargetPageId-7="16" captionText-0="FIGURES 11–12. Nigrobaetis rhithralis (Soldán &amp; Thomas, 1983), paratype, female subimago: 11.—general dorsal view; 12.—head and thorax in dorsal view. Scale lines = 1 mm [11]; 200 µm [12]." captionText-1="FIGURES 13–16. Nigrobaetis rhithralis (Soldán &amp; Thomas, 1983), paratypes, male larvae: 13.—general lateral view, left side; 14.—general dorsal view; 15.—head and prothorax in lateral view, left side; 16.—abdominal terga in dorsal view. Scale lines = 1 mm [13, 14]; 0.5 mm [15, 16]." captionText-2="FIGURES 17–25. Nigrobaetis rhithralis (Soldán &amp; Thomas, 1983), paratypes, larvae: 17–18.—labrum; 19.—left mandible; 20.—right mandible; 21.—glossa; 22.—paraglossa; 23–25.—shape of third segment of labial palp [23], ventral side [24], dorsal side [25]. Without scale lines." captionText-3="FIGURES 26–35. Nigrobaetis rhithralis (Soldán &amp; Thomas, 1983), paratypes, larvae: 26.—outer margin of femur; 27.—hind leg; 28.—pretarsal claw; 29.—flagellar segments; 30–31.—shapes of jagged setae; 32–35.—petal-shaped scales. Without scale lines." captionText-4="FIGURES 36–39. Nigrobaetis rhithralis (Soldán &amp; Thomas, 1983), paratype, larva: 36, 38.—outer margin of femur; 37.— inner margin of femur; 39.—tarsal claw. Scale line = 10 µm." captionText-5="FIGURES 40–48. Nigrobaetis rhithralis (Soldán &amp; Thomas, 1983), paratypes, larvae: 40–41.—shape variation of gills II; 42.—gill III; 43.—gill IV; 44.—gill V; 45.—gill VI; 46–48.—shape variation of gills VII. Without scale lines; roman numbers indicate respective abdominal segments." captionText-6="FIGURES 49–54. Nigrobaetis rhithralis (Soldán &amp; Thomas, 1983), paratypes, larvae: 49.—scape and pedicel; 50.—shape of frontal suture; 51.—surface of tergum V; 52.—posterior margin and surface of tergum V; 53.—posterior margin and surface of tergum VIII; 54.—caudal filament segments. Scale lines = 10 µm [49, 51–54]; 100 µm [50]." captionText-7="FIGURES 55–60. Nigrobaetis rhithralis (Soldán &amp; Thomas, 1983), paratypes, larvae, abdominal terga: 55.—II; 56.—IV; 57.—VI; 58.—VIII; 59.—X; 60—paraproct. Without scale lines; roman numbers indicate respective abdominal segments." httpUri-0="https://zenodo.org/record/1441406/files/figure.png" httpUri-1="https://zenodo.org/record/1441408/files/figure.png" httpUri-2="https://zenodo.org/record/1441410/files/figure.png" httpUri-3="https://zenodo.org/record/1441412/files/figure.png" httpUri-4="https://zenodo.org/record/1441414/files/figure.png" httpUri-5="https://zenodo.org/record/1441416/files/figure.png" httpUri-6="https://zenodo.org/record/1441418/files/figure.png" httpUri-7="https://zenodo.org/record/1441420/files/figure.png" pageId="3" pageNumber="44">11–60</figureCitation>
, 
<tableCitation id="C68B037CFFB0FFC2FE26FAD71416FADB" box="[476,558,1377,1402]" captionStart="TABLE 1" captionStartId="23.[147,220,548,567]" captionText="TABLE 1. Morphological characters to distinguishing of Nigrobaetis rhithralis (Soldán &amp; Thomas, 1983) (Figs 1–9, 10A–B, 11–60) from N. digitatus (Bengtsson, 1912) (Figs 10C, 61–81). Distinct differential characters are marked in grey." pageId="3" pageNumber="44">Table 1</tableCitation>
</paragraph>
</subSubSection>
<subSubSection id="C313654CFFB0FFC2FF6DFA1C1713F9D6" pageId="3" pageNumber="44" type="description">
<paragraph id="8BB636C7FFB0FFC2FF6DFA1C158FFA1E" blockId="3.[151,1436,1449,1931]" box="[151,951,1449,1471]" pageId="3" pageNumber="44">
<taxonomicName id="4C094D44FFB0FFC2FF6DFA1C1405FA1E" authority="Soldan &amp; Thomas, 1983" authorityName="Soldan &amp; Thomas" authorityYear="1983" box="[151,573,1449,1471]" class="Insecta" family="Baetidae" genus="Baetis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ephemeroptera" pageId="3" pageNumber="44" phylum="Arthropoda" rank="species" species="rhithralis">
<emphasis id="B97DEAD5FFB0FFC2FF6DFA1C1703FA1E" box="[151,315,1449,1471]" italics="true" pageId="3" pageNumber="44">Baetis rhithralis</emphasis>
Soldán &amp; Thomas, 1983
</taxonomicName>
: 
<emphasis id="B97DEAD5FFB0FFC2FDBDFA1C1567FA1E" box="[583,863,1449,1471]" italics="true" pageId="3" pageNumber="44">Acta Entomol. Bohemoslov.</emphasis>
, 80: 356
</paragraph>
<paragraph id="8BB636C7FFB0FFC2FF6DFA7E146CFA5C" blockId="3.[151,1436,1449,1931]" pageId="3" pageNumber="44">
? 
<taxonomicName id="4C094D44FFB0FFC2FF50FA7F146FFA7F" authority="Soldan &amp; Thomas, 1983" authorityName="Soldan &amp; Thomas" authorityYear="1983" box="[170,599,1480,1502]" class="Insecta" family="Baetidae" genus="Baetis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ephemeroptera" pageId="3" pageNumber="44" phylum="Arthropoda" rank="species" species="rhithralis">
<emphasis id="B97DEAD5FFB0FFC2FF50FA7F1768FA7F" box="[170,336,1480,1502]" italics="true" pageId="3" pageNumber="44">Baetis rhithralis</emphasis>
Soldán &amp; Thomas, 1983
</taxonomicName>
: 
<bibRefCitation id="EF984B36FFB0FFC2FD99FA7E1554FA7F" box="[611,876,1480,1502]" pageId="3" pageNumber="44" refId="ref12027" refString="Novikova, E. A. &amp; Kluge, N. J. (1994) Podenki podroda Nigrobaetis (Ephemeroptera, Baetidae, Baetis Leach, 1815) [Mayflies of the subgenus Nigrobaetis (Ephemeroptera, Baetidae, Baetis Leach, 1815)]. Entomologicheskoe Obozrenie, 73 (3), 623 - 644. [in Russian, with English summary]" type="journal article">Novikova &amp; Kluge, 1994</bibRefCitation>
: 
<emphasis id="B97DEAD5FFB0FFC2FC8DFA7E1227FA7F" box="[887,1055,1480,1502]" italics="true" pageId="3" pageNumber="44">Entomol. Obozr.</emphasis>
, 53 (3): 632 [synonymy assumption; 
<taxonomicName id="4C094D44FFB0FFC2FF3DFA511706FA5C" authorityName="Godunko &amp; Martynov &amp; Gattolliat" authorityYear="2018" box="[199,318,1511,1533]" class="Insecta" family="Baetidae" genus="Nigrobaetis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ephemeroptera" pageId="3" pageNumber="44" phylum="Arthropoda" rank="genus">
<emphasis id="B97DEAD5FFB0FFC2FF3DFA511706FA5C" box="[199,318,1511,1533]" italics="true" pageId="3" pageNumber="44">Nigrobaetis</emphasis>
</taxonomicName>
the subgenus of 
<taxonomicName id="4C094D44FFB0FFC2FE13FA5E1410FA5C" authority="Godunko &amp; Martynov &amp; Gattolliat, 2018" authorityName="Godunko &amp; Martynov &amp; Gattolliat" authorityYear="2018" box="[489,552,1512,1533]" class="Insecta" family="Baetidae" genus="Baetis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ephemeroptera" pageId="3" pageNumber="44" phylum="Arthropoda" rank="genus" sensu="lato">
<emphasis id="B97DEAD5FFB0FFC2FE13FA5E1410FA5C" box="[489,552,1512,1533]" italics="true" pageId="3" pageNumber="44">Baetis</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A24E57AEFFB0FFC2FDD4FA511474FA5C" box="[558,588,1511,1533]" pageId="3" pageNumber="44" sensu="lato">s.l.</taxonomicNameLabel>
]
</paragraph>
<paragraph id="8BB636C7FFB0FFC2FF6DF9B31777F99B" blockId="3.[151,1436,1449,1931]" pageId="3" pageNumber="44">
<taxonomicName id="4C094D44FFB0FFC2FF6DF9B31455F9BA" authority="(Soldan &amp; Thomas), 1989" authorityName="Soldan &amp; Thomas" baseAuthorityName="Soldan &amp; Thomas" baseAuthorityYear="1989" box="[151,621,1541,1563]" class="Insecta" family="Baetidae" genus="Diphetor" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ephemeroptera" pageId="3" pageNumber="44" phylum="Arthropoda" rank="species" species="rhithralis">
<emphasis id="B97DEAD5FFB0FFC2FF6DF9B31761F9BA" box="[151,345,1541,1563]" italics="true" pageId="3" pageNumber="44">Diphetor rhithralis</emphasis>
(Soldán &amp; Thomas), 1989
</taxonomicName>
[sic!]: 
<bibRefCitation id="EF984B36FFB0FFC2FD42F9B3154AF9BA" box="[696,882,1541,1563]" pageId="3" pageNumber="44" refId="ref12614" refString="Waltz, R. D., McCafferty, W. P. &amp; Thomas, A. (1994) Systematics of Alainites n. gen., Diphetor, Indobaetis, Nigrobaetis n. stat., and Takobia n. stat. (Ephemeroptera, Baetidae). Bulletin de la Societe d'Histoire Naturelle de Toulouse, 130, 33 - 36." type="journal article">
Waltz 
<emphasis id="B97DEAD5FFB0FFC2FD01F9B01510F9BA" box="[763,808,1541,1563]" italics="true" pageId="3" pageNumber="44">et al</emphasis>
., 1994
</bibRefCitation>
: 
<emphasis id="B97DEAD5FFB0FFC2FC87F9B3128BF9BA" box="[893,1203,1541,1563]" italics="true" pageId="3" pageNumber="44">Bull. Soc. Hist. Nat., Toulouse</emphasis>
, 130: 34 [new generic combination]
</paragraph>
<paragraph id="8BB636C7FFB0FFC2FF6DF9F51713F9D6" blockId="3.[151,1436,1449,1931]" pageId="3" pageNumber="44">
<taxonomicName id="4C094D44FFB0FFC2FF6DF9F51442F9F8" authority="(Soldan &amp; Thomas, 1983)" baseAuthorityName="Soldan &amp; Thomas" baseAuthorityYear="1983" box="[151,634,1603,1625]" class="Insecta" family="Baetidae" genus="Diphetor" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ephemeroptera" pageId="3" pageNumber="44" phylum="Arthropoda" rank="species" species="rhithralis">
<emphasis id="B97DEAD5FFB0FFC2FF6DF9F51763F9F8" box="[151,347,1603,1625]" italics="true" pageId="3" pageNumber="44">Diphetor rhithralis</emphasis>
(Soldán &amp; Thomas, 1983)
</taxonomicName>
: 
<bibRefCitation id="EF984B36FFB0FFC2FD7CF9F51553F9F8" box="[646,875,1603,1625]" pageId="3" pageNumber="44" refId="ref10894" refString="El Alami, M., Dakki, M., Errami, M. &amp; Alba-Tercedor, J. (2000) Nouvelles donnees sur les Baetidae du Maroc (Insecta: Ephemeroptera) [New data on Baetidae (Insecta: Ephemeroptera) from Morocco]. Zoologica Baetica, 11, 105 - 113." type="journal article">
El Alami 
<emphasis id="B97DEAD5FFB0FFC2FD15F9F21526F9F8" box="[751,798,1603,1625]" italics="true" pageId="3" pageNumber="44">et al</emphasis>
., 2000
</bibRefCitation>
: 
<emphasis id="B97DEAD5FFB0FFC2FC8DF9F51235F9F8" box="[887,1037,1603,1625]" italics="true" pageId="3" pageNumber="44">Zool. Baetisca</emphasis>
, 11: 110 [faunistics, new record from 
<collectingCountry id="F31E7657FFB0FFC2FF3DF9D7171EF9D6" box="[199,294,1633,1655]" name="Morocco" pageId="3" pageNumber="44">Morocco</collectingCountry>
]
</paragraph>
</subSubSection>
<subSubSection id="C313654CFFB0FFC2FF6DF9361358F8EF" pageId="3" pageNumber="44" type="reference_group">
<paragraph id="8BB636C7FFB0FFC2FF6DF9361546F972" blockId="3.[151,1436,1449,1931]" pageId="3" pageNumber="44">
<taxonomicName id="4C094D44FFB0FFC2FF6DF93614A9F937" ID-CoL="73Y9Y" authority="(Soldan &amp; Thomas, 1983)" baseAuthorityName="Soldan &amp; Thomas" baseAuthorityYear="1983" box="[151,657,1664,1686]" class="Insecta" family="Baetidae" genus="Nigrobaetis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ephemeroptera" pageId="3" pageNumber="44" phylum="Arthropoda" rank="species" species="rhithralis">
<emphasis id="B97DEAD5FFB0FFC2FF6DF936174DF937" box="[151,373,1664,1686]" italics="true" pageId="3" pageNumber="44">Nigrobaetis rhithralis</emphasis>
(Soldán &amp; Thomas, 1983)
</taxonomicName>
: 
<bibRefCitation id="EF984B36FFB0FFC2FD67F936150BF937" box="[669,819,1664,1686]" pageId="3" pageNumber="44" refId="ref12579" refString="Thomas, A. (1998) A provisional checklist of the mayflies of North Africa (Ephemeroptera). Bulletin de la Societe d'Histoire Naturelle de Toulouse, 134, 13 - 20." type="journal article">Thomas, 1998</bibRefCitation>
: 
<emphasis id="B97DEAD5FFB0FFC2FCC5F9361242F937" box="[831,1146,1664,1686]" italics="true" pageId="3" pageNumber="44">Bull. Soc. Hist. Nat., Toulouse</emphasis>
, 134: 17 [faunistics, formal new generic combination]; 
<bibRefCitation id="EF984B36FFB0FFC2FE24F92914ABF914" box="[478,659,1695,1717]" pageId="3" pageNumber="44" refId="ref12717" refString="Zrelli, S., Boumaiza, M., Bejaoui, M., Gattolliat, J. - L. &amp; Sartori, M. (2011) New reports of mayflies (Insecta: Ephemeroptera) from Tunisia. Revue Suisse de Zoologie, 118 (1), 3 - 10." type="journal article">
Zrelli 
<emphasis id="B97DEAD5FFB0FFC2FDE7F9161472F914" box="[541,586,1695,1717]" italics="true" pageId="3" pageNumber="44">et al</emphasis>
., 2011
</bibRefCitation>
: 
<emphasis id="B97DEAD5FFB0FFC2FD67F916157AF914" box="[669,834,1695,1717]" italics="true" pageId="3" pageNumber="44">
Rev. 
<collectingCountry id="F31E7657FFB0FFC2FD34F9161535F914" box="[718,781,1696,1717]" name="Switzerland" pageId="3" pageNumber="44">Suisse</collectingCountry>
Zool
</emphasis>
., 118 (1): 7 [faunistics, new record from 
<collectingCountry id="F31E7657FFB0FFC2FB13F9291302F914" box="[1257,1338,1695,1717]" name="Tunisia" pageId="3" pageNumber="44">Tunisia</collectingCountry>
]; 
<bibRefCitation id="EF984B36FFB0FFC2FAB0F929171CF972" pageId="3" pageNumber="44" refId="ref12773" refString="Zrelli, S. Gattolliat, J. - L., Boumaiza, M. &amp; Thomas, A. (2012) First record of Alainites sadati Thomas, 1994 (Ephemeroptera: Baetidae) in Tunisia, description of the larval stage and ecology. Zootaxa, 3497, 60 - 68." type="journal article">
Zrelli 
<emphasis id="B97DEAD5FFB0FFC2FA70F91616E3F972" italics="true" pageId="3" pageNumber="44">et al</emphasis>
., 2012
</bibRefCitation>
: 67; 
<bibRefCitation id="EF984B36FFB0FFC2FEAEF90B1430F972" box="[340,520,1725,1747]" pageId="3" pageNumber="44" refId="ref12829" refString="Zrelli, S., Boumaiza, M., Bejaoui, M., Gattolliat, J. - L. &amp; Sartori, T. (2016) New data and revision of the Ephemeroptera of Tunisia. Inland Water Biology, 3 (Supplement), 99 - 106." type="journal article">
Zrelli 
<emphasis id="B97DEAD5FFB0FFC2FE69F90817FEF972" box="[403,454,1725,1747]" italics="true" pageId="3" pageNumber="44">et al.</emphasis>
, 2016
</bibRefCitation>
: 
<emphasis id="B97DEAD5FFB0FFC2FDE8F90B14D1F972" box="[530,745,1725,1747]" italics="true" pageId="3" pageNumber="44">Inland Water Biology</emphasis>
, Suppl. 3: 102
</paragraph>
<paragraph id="8BB636C7FFB0FFC2FF6DF96A1790F8B0" blockId="3.[151,1436,1449,1931]" pageId="3" pageNumber="44">
<taxonomicName id="4C094D44FFB0FFC2FF6DF96A1471F953" ID-CoL="73Y9Y" authority="(Soldan &amp; Thomas)" authorityName="Soldan &amp; Thomas" baseAuthorityName="Soldan &amp; Thomas" baseAuthorityYear="1983" box="[151,585,1756,1778]" class="Insecta" family="Baetidae" genus="Nigrobaetis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ephemeroptera" pageId="3" pageNumber="44" phylum="Arthropoda" rank="species" species="rhithralis">
<emphasis id="B97DEAD5FFB0FFC2FF6DF96A174BF953" box="[151,371,1756,1778]" italics="true" pageId="3" pageNumber="44">Nigrobaetis rhithralis</emphasis>
(Soldán &amp; Thomas)
</taxonomicName>
: Lugo-Ortiz &amp; de 
<bibRefCitation id="EF984B36FFB0FFC2FCFCF96B15B9F953" box="[774,897,1756,1778]" pageId="3" pageNumber="44" refId="ref11803" refString="Lugo-Ortiz, C. R. &amp; de Moor, F. C. (2000) Nigrobaetis Novikova &amp; Kluge (Ephemeroptera: Baetidae): first record and new species from southern Africa, with reassignment of one northern African species. African Entomology, 8 (1), 69 - 73." type="journal article">Moor, 2000</bibRefCitation>
: 
<emphasis id="B97DEAD5FFB0FFC2FC71F96A120CF953" box="[907,1076,1756,1778]" italics="true" pageId="3" pageNumber="44">African Entomol</emphasis>
., 8 (1): 72 [systematics; discussion on generic placement]
</paragraph>
<paragraph id="8BB636C7FFB0FFC2FF6DF8AC15D8F88E" blockId="3.[151,1436,1449,1931]" box="[151,992,1817,1839]" pageId="3" pageNumber="44">
<taxonomicName id="4C094D44FFB0FFC2FF6DF8AC17FDF88E" authority=": Jacob, 2003" authorityName="Jacob" authorityYear="2003" box="[151,453,1817,1839]" class="Insecta" family="Baetidae" genus="Baetis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ephemeroptera" pageId="3" pageNumber="44" phylum="Arthropoda" rank="species" species="rhithralis">
<emphasis id="B97DEAD5FFB0FFC2FF6DF8AC1703F88E" box="[151,315,1817,1839]" italics="true" pageId="3" pageNumber="44">Baetis rhithralis</emphasis>
: 
<bibRefCitation id="EF984B36FFB0FFC2FEB3F8AF17FDF88E" box="[329,453,1817,1839]" pageId="3" pageNumber="44" refId="ref11526" refString="Jacob, U. (2003) Baetis Leach 1815, sensu stricto or sensu lato. Ein Beitrag zum Gattungskonzept auf der Grundlage von Artengruppen mit Bestimmungsschlusseln. Lauterbornia, 47, 59 - 129." type="journal article">Jacob, 2003</bibRefCitation>
</taxonomicName>
: 
<taxonomicName id="4C094D44FFB0FFC2FE35F8AF146EF88E" box="[463,598,1817,1839]" class="Insecta" family="Chironomidae" genus="Lauterbornia" higherTaxonomySource="GBIF" kingdom="Animalia" order="Diptera" pageId="3" pageNumber="44" phylum="Arthropoda" rank="genus">
<emphasis id="B97DEAD5FFB0FFC2FE35F8AF146EF88E" box="[463,598,1817,1839]" italics="true" pageId="3" pageNumber="44">Lauterbornia</emphasis>
</taxonomicName>
, 47: 121 [species grouping; faunistics]
</paragraph>
<paragraph id="8BB636C7FFB0FFC2FF6DF88F1358F8EF" blockId="3.[151,1436,1449,1931]" box="[151,1376,1848,1870]" pageId="3" pageNumber="44">
<taxonomicName id="4C094D44FFB0FFC2FF6DF88F1405F8EF" authority="Soldan &amp; Thomas, 1983" authorityName="Soldan &amp; Thomas" authorityYear="1983" box="[151,573,1848,1870]" class="Insecta" family="Baetidae" genus="Baetis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ephemeroptera" pageId="3" pageNumber="44" phylum="Arthropoda" rank="species" species="rhithralis">
<emphasis id="B97DEAD5FFB0FFC2FF6DF88F1703F8EF" box="[151,315,1848,1870]" italics="true" pageId="3" pageNumber="44">Baetis rhithralis</emphasis>
Soldán &amp; Thomas, 1983
</taxonomicName>
: 
<bibRefCitation id="EF984B36FFB0FFC2FDBDF88E154CF8EF" box="[583,884,1848,1870]" pageId="3" pageNumber="44" refId="ref12301" refString="Schwarz-Waubke, M., Schwarz, M., Gusenleitner, F., Fusenleitner, J., Malicky, M., Malicky-Ruzicka, H. &amp; Vogtenhuber, P. (2003) Insekten-typen am Biologiezentrum Linz. Teil I. Beitrage zur Naturkunde Oberosterreichs, 12, 407 - 450." type="journal article">
Schwarz-Waubke 
<emphasis id="B97DEAD5FFB0FFC2FD05F88F1514F8EF" box="[767,812,1848,1870]" italics="true" pageId="3" pageNumber="44">et al</emphasis>
., 2003
</bibRefCitation>
: 
<emphasis id="B97DEAD5FFB0FFC2FC84F88F124BF8EF" box="[894,1139,1848,1870]" italics="true" pageId="3" pageNumber="44">Beitr. Naturk. Oberöster</emphasis>
., 12: 409 [list of 
<typeStatus id="54B28865FFB0FFC2FAD8F88E1362F8EF" box="[1314,1370,1848,1870]" pageId="3" pageNumber="44">types</typeStatus>
]
</paragraph>
</subSubSection>
<subSubSection id="C313654CFFB0FFC2FF6DF8EE15B8F82A" pageId="3" pageNumber="44" type="description">
<paragraph id="8BB636C7FFB0FFC2FF6DF8EE15B8F82A" blockId="3.[151,1436,1449,1931]" pageId="3" pageNumber="44">
<taxonomicName id="4C094D44FFB0FFC2FF6DF8EE152EF8CC" authority="Soldan &amp; Thomas, 1983" authorityName="Soldan &amp; Thomas" authorityYear="1983" box="[151,790,1879,1901]" class="Insecta" family="Baetidae" genus="Baetis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ephemeroptera" pageId="3" pageNumber="44" phylum="Arthropoda" rank="species" species="rhithralis" subGenus="Nigrobaetis">
<emphasis id="B97DEAD5FFB0FFC2FF6DF8EE16EEF8CC" box="[151,214,1880,1901]" italics="true" pageId="3" pageNumber="44">Baetis</emphasis>
(
<emphasis id="B97DEAD5FFB0FFC2FF0BF8E11750F8CC" box="[241,360,1879,1901]" italics="true" pageId="3" pageNumber="44">Nigrobaetis</emphasis>
) 
<emphasis id="B97DEAD5FFB0FFC2FE79F8E117DAF8CC" box="[387,482,1879,1901]" italics="true" pageId="3" pageNumber="44">rhithralis</emphasis>
Soldán &amp; Thomas, 1983
</taxonomicName>
: 
<bibRefCitation id="EF984B36FFB0FFC2FCD6F8E1124BF8CC" box="[812,1139,1879,1901]" pageId="3" pageNumber="44" refId="ref10840" refString="Bauernfeind, E. &amp; Soldan, T. (2012) The Mayflies of Europe (Ephemeroptera). Apollo Books, Ollerup, 781 pp." type="book">Bauernfeind &amp; Soldán 2012</bibRefCitation>
: 
<emphasis id="B97DEAD5FFB0FFC2FB73F8E1174CF82A" italics="true" pageId="3" pageNumber="44">
The Mayflies of Europe (
<taxonomicName id="4C094D44FFB0FFC2FF34F8C31755F82A" box="[206,365,1909,1931]" class="Insecta" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ephemeroptera" pageId="3" pageNumber="44" phylum="Arthropoda" rank="order">Ephemeroptera</taxonomicName>
)
</emphasis>
: 156, 574, fig. 69 [taxonomy, distribution, biology]
</paragraph>
</subSubSection>
<subSubSection id="C313654CFFB0FFC4FF6DF80F135AFE29" lastPageId="5" lastPageNumber="46" pageId="3" pageNumber="44" type="materials_examined">
<paragraph id="8BB636C7FFB0FFC5FF6DF80F16D4FEE1" blockId="3.[151,1436,1976,2037]" lastBlockId="4.[151,1437,151,464]" lastPageId="4" lastPageNumber="45" pageId="3" pageNumber="44">
<emphasis id="B97DEAD5FFB0FFC2FF6DF80F171BF871" bold="true" box="[151,291,1976,2001]" pageId="3" pageNumber="44">
<emphasis id="B97DEAD5FFB0FFC2FF6DF80F1723F870" bold="true" box="[151,283,1976,2001]" italics="true" pageId="3" pageNumber="44">Type series</emphasis>
.
</emphasis>
Original description of the species 
<taxonomicName id="4C094D44FFB0FFC2FD29F80F155AF870" authorityName="Soldan &amp; Thomas" authorityYear="1983" box="[723,866,1976,2001]" class="Insecta" family="Baetidae" genus="Baetis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ephemeroptera" pageId="3" pageNumber="44" phylum="Arthropoda" rank="species" species="rhithralis">
<emphasis id="B97DEAD5FFB0FFC2FD29F80F155AF870" box="[723,866,1976,2001]" italics="true" pageId="3" pageNumber="44">N. rhithralis</emphasis>
</taxonomicName>
is based on the male imago (holotype), female subimago and larvae (paratypes). 
<materialsCitation id="3B613C9AFFB0FFC5FDE7F86A1301FF56" ID-GBIF-Occurrence="1913891582" collectorName="de Faure" country="Canada" lastPageId="4" lastPageNumber="45" location="Liquid de Faure" pageId="3" pageNumber="44" specimenCount="25" specimenCount-female="4" specimenCount-larva="16" specimenCount-male="5" typeStatus="holotype">
The 
<typeStatus id="54B28865FFB0FFC2FDA8F86B14BAF854" box="[594,642,2013,2037]" pageId="3" pageNumber="44">type</typeStatus>
series consists of 
<specimenCount id="9D0FFD4EFFB0FFC2FCA3F86A15FEF854" box="[857,966,2012,2037]" pageId="3" pageNumber="44" type="larva">16 larvae</specimenCount>
, 3 imagos of both sexes (
<specimenCount id="9D0FFD4EFFB0FFC2FB08F86B1379F854" box="[1266,1345,2012,2037]" pageId="3" pageNumber="44" type="male">2 male</specimenCount>
imagos including the 
<typeStatus id="54B28865FFB7FFC5FEC8FF2117AFFF11" box="[306,407,151,176]" pageId="4" pageNumber="45" type="holotype">holotype</typeStatus>
, and one female imago), as well as 7 subimagos of both sexes (
<specimenCount id="9D0FFD4EFFB7FFC5FB9FFF2E1284FF11" box="[1125,1212,151,176]" pageId="4" pageNumber="45" type="male">3 males</specimenCount>
and 
<specimenCount id="9D0FFD4EFFB7FFC5FB0EFF2E135EFF11" box="[1268,1382,151,176]" pageId="4" pageNumber="45" type="female">4 females</specimenCount>
). All adults were reared from larvae, with preserved subimaginal and larval skins. Genitalia, forelegs and hind wings of the 
<typeStatus id="54B28865FFB7FFC5FF3AFF69171AFF59" box="[192,290,223,248]" pageId="4" pageNumber="45" type="holotype">holotype</typeStatus>
and one male imago 
<typeStatus id="54B28865FFB7FFC5FDEAFF561448FF59" box="[528,624,224,248]" pageId="4" pageNumber="45" type="paratype">paratype</typeStatus>
were mounted on slides in 
<collectingCountry id="F31E7657FFB7FFC5FC59FF6915CFFF59" box="[931,1015,223,248]" name="Canada" pageId="4" pageNumber="45">Canada</collectingCountry>
balsam and 
<location id="8ED6601CFFB7FFC5FB79FF691301FF56" LSID="urn:lsid:plazi:treatment:03A087D1FFB0FFDCFF6DFA88122AFB95:8ED6601CFFB7FFC5FB79FF691301FF56" box="[1155,1337,223,248]" country="Canada" name="Liquid de Faure" pageId="4" pageNumber="45">
Liquid 
<collectorName id="26FC5311FFB7FFC5FB2EFF691301FF56" box="[1236,1337,223,248]" pageId="4" pageNumber="45">de Faure</collectorName>
</location>
</materialsCitation>
; 
<materialsCitation id="3B613C9AFFB7FFC5FAB9FF5616D4FEE1" ID-GBIF-Occurrence="1913891583" country="Canada" location="Canada" pageId="4" pageNumber="45" specimenCount="3" specimenCount-larva="3" typeStatus="holotype">
<specimenCount id="9D0FFD4EFFB7FFC5FAB9FF5613A5FF59" box="[1347,1437,223,248]" pageId="4" pageNumber="45" type="larva">3 larvae</specimenCount>
and 6 larval skins were mounted on slides in Euparal or 
<collectingCountry id="F31E7657FFB7FFC5FCCBFEB215BDFEBC" box="[817,901,260,285]" name="Canada" pageId="4" pageNumber="45">Canada</collectingCountry>
balsam. Other adults are partly damaged (see below).
</materialsCitation>
</paragraph>
<paragraph id="8BB636C7FFB7FFC5FF3DFEFB16FBFE71" blockId="4.[151,1437,151,464]" pageId="4" pageNumber="45">
<typeStatus id="54B28865FFB7FFC5FF3DFEFB16C7FEC4" box="[199,255,333,357]" pageId="4" pageNumber="45">Type</typeStatus>
locality can be defined as follows: 
<collectingCountry id="F31E7657FFB7FFC5FD53FEFA1538FEC4" box="[681,768,332,357]" name="Algeria" pageId="4" pageNumber="45">Algeria</collectingCountry>
, 
<collectingRegion id="49CDF825FFB7FFC5FCF5FEFA15F5FEC4" box="[783,973,332,357]" country="Algeria" name="Blida" pageId="4" pageNumber="45">Wilaya de Blida</collectingRegion>
[
<collectingRegion id="49CDF825FFB7FFC5FC24FEFA12AAFEC4" box="[990,1170,332,357]" country="Algeria" name="Blida" pageId="4" pageNumber="45">Blida Province</collectingRegion>
], Chréa National Park, Blidean Atlas (part of the Tell Atlas), Camp des Chênes, Gorge de la Chiffa, confluence of Oued Chiffa [Chiffa River] and Ruisseau des singes, 
<quantity id="4CF19B22FFB7FFC5FDFDFE2214BFFE0D" box="[519,647,404,429]" metricMagnitude="2" metricUnit="m" metricValue="2.6" metricValueMax="2.7" metricValueMin="2.5" pageId="4" pageNumber="45" unit="m" value="260.0" valueMax="270.0" valueMin="250.0">250–270 m</quantity>
a.s.l., 
<geoCoordinate id="EE3D5000FFB7FFC5FD28FE221560FE0C" box="[722,856,404,429]" direction="north" orientation="latitude" pageId="4" pageNumber="45" precision="15" value="36.40111">36°24'04&quot;N</geoCoordinate>
, 
<geoCoordinate id="EE3D5000FFB7FFC5FC9FFE2215E2FE0C" box="[869,986,404,429]" direction="east" orientation="longitude" pageId="4" pageNumber="45" precision="15" value="2.7638888">2°45'50&quot;E</geoCoordinate>
, 
<date id="FFB71007FFB7FFC5FC1DFE221261FE0D" box="[999,1113,404,428]" pageId="4" pageNumber="45" value="1981-10-09">09.x.1981</date>
, T. Soldán leg. (see 
<figureCitation id="13322A42FFB7FFC5FABBFE22168EFE71" captionStart="FIGURES 82–83" captionStartId="22.[151,264,1884,1907]" captionTargetBox="[151,1436,193,1857]" captionTargetId="figure@22.[151,1436,193,1863]" captionTargetPageId="22" captionText="FIGURES 82–83. Chiffa River near Camp des Chênes (Gorge de la Chiffa, Wilaya de Blida, Algeria); within type locality of Nigrobaetis rhithralis (Soldán &amp; Thomas, 1983); approximately 260–270 m a.s.l. (September, 2014; photos by Talakhir Mohamed)." httpUri="https://zenodo.org/record/1441432/files/figure.png" pageId="4" pageNumber="45">Figs 82, 83</figureCitation>
).
</paragraph>
<caption id="DF76664FFFB7FFC5FF6DF952121FF899" httpUri="https://zenodo.org/record/1441400/files/figure.png" pageId="4" pageNumber="45" startId="4.[151,264,1764,1787]" targetBox="[151,1436,519,1723]" targetPageId="4">
<paragraph id="8BB636C7FFB7FFC5FF6DF952121FF899" blockId="4.[151,1436,1764,1848]" pageId="4" pageNumber="45">
<emphasis id="B97DEAD5FFB7FFC5FF6DF9521703F958" bold="true" box="[151,315,1764,1787]" pageId="4" pageNumber="45">FIGURES 1–4.</emphasis>
<taxonomicName id="4C094D44FFB7FFC5FEB8F952150DF95B" authority="(Soldan &amp; Thomas, 1983)" authorityName="Soldan &amp; Thomas" authorityYear="1983" baseAuthorityName="Soldan &amp; Thomas" baseAuthorityYear="1983" box="[322,821,1764,1786]" class="Insecta" family="Baetidae" genus="Nigrobaetis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ephemeroptera" pageId="4" pageNumber="45" phylum="Arthropoda" rank="species" species="rhithralis">
<emphasis id="B97DEAD5FFB7FFC5FEB8F9521427F95B" box="[322,543,1764,1786]" italics="true" pageId="4" pageNumber="45">Nigrobaetis rhithralis</emphasis>
(Soldán &amp; Thomas, 1983)
</taxonomicName>
, paratypes, male imago [1–2] and female imago [3–4]: 1.— general lateral view, left side; 2.—head and prothorax in lateral view, right side; 3.—general lateral view, left side; 4.—head and prothorax in lateral view, left side. Scale lines = 1 mm [1, 3]; 0.5 mm [2]; 200 µm [4].
</paragraph>
</caption>
<paragraph id="8BB636C7FFB7FFC4FF3DF8C9128EFF74" blockId="4.[151,1437,1917,2015]" lastBlockId="5.[151,1436,151,392]" lastPageId="5" lastPageNumber="46" pageId="4" pageNumber="45">
In the original description (
<bibRefCitation id="EF984B36FFB7FFC5FE01F8CB1521F837" box="[507,793,1917,1942]" pageId="4" pageNumber="45" refId="ref12487" refString="Soldan, T. &amp; Thomas, A. G. B. (1983 a) New and little-known species of mayflies (Ephemeroptera) from Algeria. Acta Entomologica Bohemoslovaca, 80, 356 - 376." type="journal article">Soldán &amp; Thomas 1983a</bibRefCitation>
), the authors erroneously indicated that the 
<typeStatus id="54B28865FFB7FFC5FAF2F8C91300F836" box="[1288,1336,1919,1943]" pageId="4" pageNumber="45">type</typeStatus>
material of 
<taxonomicName id="4C094D44FFB7FFC5FF43F815177EF81B" baseAuthorityName="Soldan &amp; Thomas" baseAuthorityYear="1983" box="[185,326,1953,1978]" class="Insecta" family="Baetidae" genus="Nigrobaetis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ephemeroptera" pageId="4" pageNumber="45" phylum="Arthropoda" rank="species" species="rhithralis">
<emphasis id="B97DEAD5FFB7FFC5FF43F815177EF81B" box="[185,326,1953,1978]" italics="true" pageId="4" pageNumber="45">N. rhithralis</emphasis>
</taxonomicName>
was collected in Oued Merdja. However, this stream (original name is Oued Merdja Kbira) is situated somewhat southern in upper part of Oued Chiffa. The same mistake was made with the 
<typeStatus id="54B28865FFB7FFC5FB28F871133AF87E" box="[1234,1282,1991,2015]" pageId="4" pageNumber="45">type</typeStatus>
locality of 
<taxonomicName id="4C094D44FFB7FFC4FA7EF8711497FF11" authority="Soldan &amp; Godunko, 2005" authorityName="Soldan &amp; Godunko" authorityYear="2005" class="Insecta" family="Baetidae" genus="Baetis" higherTaxonomySource="GBIF" kingdom="Animalia" lastPageId="5" lastPageNumber="46" order="Ephemeroptera" pageId="4" pageNumber="45" phylum="Arthropoda" rank="species" species="chelif" subGenus="Rhodobaetis">
<emphasis id="B97DEAD5FFB7FFC5FA7EF87113A4F87F" box="[1412,1436,1991,2014]" italics="true" pageId="4" pageNumber="45">B.</emphasis>
(
<emphasis id="B97DEAD5FFB6FFC4FF5AFF211714FF11" box="[160,300,151,176]" italics="true" pageId="5" pageNumber="46">Rhodobaetis</emphasis>
) 
<emphasis id="B97DEAD5FFB6FFC4FEC4FF211744FF11" box="[318,380,151,176]" italics="true" pageId="5" pageNumber="46">chelif</emphasis>
<bibRefCitation id="EF984B36FFB6FFC4FE7CFF211497FF11" box="[390,687,151,176]" pageId="5" pageNumber="46" refId="ref12357" refString="Soldan, T., Godunko, R. J. &amp; Thomas, A. G. B. (2005) Baetis chelif n. sp., a new mayfly from Algeria with notes on B. sinespinosus Soldan &amp; Thomas, 1983, n. stat. (Ephemeroptera: Baetidae). Genus, 16 (2), 155 - 165." type="journal article">Soldán &amp; Godunko, 2005</bibRefCitation>
</taxonomicName>
, as a part of the 
<typeStatus id="54B28865FFB6FFC4FC88FF2E15E6FF11" box="[882,990,152,176]" pageId="5" pageNumber="46" type="paratype">paratypes</typeStatus>
(adults and larvae) of this species was collected in the same place and date as the 
<typeStatus id="54B28865FFB6FFC4FD82FF0B1490FF74" box="[632,680,189,213]" pageId="5" pageNumber="46">type</typeStatus>
series of 
<taxonomicName id="4C094D44FFB6FFC4FCEEFF0B15A6FF74" baseAuthorityName="Soldan &amp; Thomas" baseAuthorityYear="1983" box="[788,926,188,213]" class="Insecta" family="Baetidae" genus="Nigrobaetis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ephemeroptera" pageId="5" pageNumber="46" phylum="Arthropoda" rank="species" species="rhithralis">
<emphasis id="B97DEAD5FFB6FFC4FCEEFF0B15A6FF74" box="[788,926,188,213]" italics="true" pageId="5" pageNumber="46">N. rhithralis</emphasis>
</taxonomicName>
(see 
<bibRefCitation id="EF984B36FFB6FFC4FC23FF0A1292FF74" box="[985,1194,188,213]" pageId="5" pageNumber="46" refId="ref12357" refString="Soldan, T., Godunko, R. J. &amp; Thomas, A. G. B. (2005) Baetis chelif n. sp., a new mayfly from Algeria with notes on B. sinespinosus Soldan &amp; Thomas, 1983, n. stat. (Ephemeroptera: Baetidae). Genus, 16 (2), 155 - 165." type="journal article">
Soldán 
<emphasis id="B97DEAD5FFB6FFC4FBD4FF0B125EFF74" box="[1070,1126,188,213]" italics="true" pageId="5" pageNumber="46">et al.</emphasis>
2005
</bibRefCitation>
).
</paragraph>
<paragraph id="8BB636C7FFB6FFC4FF3DFF6914A0FEE1" blockId="5.[151,1436,151,392]" pageId="5" pageNumber="46">
Investigated type material of 
<taxonomicName id="4C094D44FFB6FFC4FDDAFF571496FF59" baseAuthorityName="Soldan &amp; Thomas" baseAuthorityYear="1983" box="[544,686,223,248]" class="Insecta" family="Baetidae" genus="Nigrobaetis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ephemeroptera" pageId="5" pageNumber="46" phylum="Arthropoda" rank="species" species="rhithralis">
<emphasis id="B97DEAD5FFB6FFC4FDDAFF571496FF59" box="[544,686,223,248]" italics="true" pageId="5" pageNumber="46">N. rhithralis</emphasis>
</taxonomicName>
preserved in ethanol was originally labelled as follows: [
<taxonomicName id="4C094D44FFB6FFC4FAA9FF691416FEBC" authority="Sold. &amp; Thomas T. Soldan" authorityName="Sold. &amp; Thomas T. Soldan" class="Insecta" family="Baetidae" genus="Baetis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ephemeroptera" pageId="5" pageNumber="46" phylum="Arthropoda" rank="species" species="rhithralis">Baetis rhithralis Sold. &amp; Thomas T. Soldán</taxonomicName>
det. 1982]; [ALGER, Oued Merdja, Rouisseau des Singes 
<date id="FFB71007FFB6FFC4FB3CFEB21322FEBD" box="[1222,1306,260,284]" pageId="5" pageNumber="46" value="81-09-10">9.10.81</date>
T. Soldán]. Place of deposition: 
<emphasis id="B97DEAD5FFB6FFC4FE86FE9F17AEFEE1" box="[380,406,297,320]" italics="true" pageId="5" pageNumber="46">IE</emphasis>
(T. Soldán collection).
</paragraph>
<paragraph id="8BB636C7FFB6FFC4FF3DFEFD135AFE29" blockId="5.[151,1436,151,392]" pageId="5" pageNumber="46">
<materialsCitation id="3B613C9AFFB6FFC4FF3DFEFD135AFE29" ID-GBIF-Occurrence="1913891584" collectingDate="2009-04-06" collectionCode="MZL" collectorName="Sonia Zrelli &amp; Code" country="Tunisia" county="Other" latitude="57.769165" location="Basin Ichkeul" longLatPrecision="17" longitude="9.524722" municipality="Joumine" pageId="5" pageNumber="46" specimenCount="1" stateProvince="Bizerte">
<emphasis id="B97DEAD5FFB6FFC4FF3DFEFD17BEFEC5" bold="true" box="[199,390,331,356]" pageId="5" pageNumber="46">
<collectingCounty id="62D74E4BFFB6FFC4FF3DFEFD1737FEC5" box="[199,271,331,356]" pageId="5" pageNumber="46">Other</collectingCounty>
material
</emphasis>
: 1 larva, 
<collectingCountry id="F31E7657FFB6FFC4FDE8FEFA1450FEC4" box="[530,616,332,357]" name="Tunisia" pageId="5" pageNumber="46">Tunisia</collectingCountry>
, 
<collectingRegion id="49CDF825FFB6FFC4FD84FEFA14EAFEC4" box="[638,722,332,357]" country="Tunisia" name="Bizerte" pageId="5" pageNumber="46">Bizerte</collectingRegion>
, 
<collectingMunicipality id="6BD2ACBDFFB6FFC4FD13FEFA1573FEC4" box="[745,843,332,357]" pageId="5" pageNumber="46">Joumine</collectingMunicipality>
, 
<location id="8ED6601CFFB6FFC4FC9BFEFA1232FEC4" LSID="urn:lsid:plazi:treatment:03A087D1FFB0FFDCFF6DFA88122AFB95:8ED6601CFFB6FFC4FC9BFEFA1232FEC4" box="[865,1034,332,357]" country="Tunisia" county="Other" latitude="57.769165" longLatPrecision="17" longitude="9.524722" municipality="Joumine" name="Basin Ichkeul" pageId="5" pageNumber="46" stateProvince="Bizerte">Basin Ichkeul</location>
, Riv. Joumine (
<location id="8ED6601CFFB6FFC4FB23FEFA1370FEC5" LSID="urn:lsid:plazi:treatment:03A087D1FFB0FFDCFF6DFA88122AFB95:8ED6601CFFB6FFC4FB23FEFA1370FEC5" box="[1241,1352,332,356]" country="Tunisia" county="Other" latitude="57.769165" longLatPrecision="17" longitude="9.524722" municipality="Joumine" name="Upstream" pageId="5" pageNumber="46" stateProvince="Bizerte">Upstream</location>
dam); 
<geoCoordinate id="EE3D5000FFB6FFC4FF6DFED9171CFE29" box="[151,292,367,392]" direction="north" orientation="latitude" pageId="5" pageNumber="46" precision="15" value="57.769165">57°46’09’’N</geoCoordinate>
<geoCoordinate id="EE3D5000FFB6FFC4FED1FEC61792FE29" box="[299,426,368,392]" direction="east" orientation="longitude" pageId="5" pageNumber="46" precision="15" value="9.524722">9°31’29’’E</geoCoordinate>
; 
<collectingDate id="EFF3E9EFFFB6FFC4FE4CFED91417FE29" box="[438,559,367,392]" pageId="5" pageNumber="46" value="2009-04-06">
<date id="FFB71007FFB6FFC4FE4CFED91417FE29" box="[438,559,367,392]" pageId="5" pageNumber="46" value="2009-04-06">06.iv.2009</date>
</collectingDate>
; coll. 
<collectorName id="26FC5311FFB6FFC4FD89FED914C0FE29" box="[627,760,367,392]" pageId="5" pageNumber="46">Sonia Zrelli</collectorName>
(
<collectionCode id="ED18AE02FFB6FFC4FCF2FEC71507FE29" box="[776,831,369,392]" country="Switzerland" httpUri="http://grbio.org/cool/pm5v-0p6q" name="Musee Zoologique" pageId="5" pageNumber="46">
<emphasis id="B97DEAD5FFB6FFC4FCF2FEC71507FE29" box="[776,831,369,392]" italics="true" pageId="5" pageNumber="46">MZL</emphasis>
</collectionCode>
collection). GBIFCH 
<collectorName id="26FC5311FFB6FFC4FBC3FED91240FE29" box="[1081,1144,367,392]" pageId="5" pageNumber="46">Code</collectorName>
: GBIFCH00331449.
</materialsCitation>
</paragraph>
</subSubSection>
<caption id="DF76664FFFB6FFC4FF6DF972130EF958" httpUri="https://zenodo.org/record/1441402/files/figure.png" pageId="5" pageNumber="46" startId="5.[151,264,1732,1755]" targetBox="[153,1431,460,1692]" targetPageId="5">
<paragraph id="8BB636C7FFB6FFC4FF6DF972130EF958" blockId="5.[151,1436,1732,1785]" pageId="5" pageNumber="46">
<emphasis id="B97DEAD5FFB6FFC4FF6DF9721703F97B" bold="true" box="[151,315,1732,1755]" pageId="5" pageNumber="46">FIGURES 5–9.</emphasis>
<taxonomicName id="4C094D44FFB6FFC4FEB9F972150EF97B" authority="(Soldan &amp; Thomas, 1983)" authorityName="Soldan &amp; Thomas" authorityYear="1983" baseAuthorityName="Soldan &amp; Thomas" baseAuthorityYear="1983" box="[323,822,1732,1754]" class="Insecta" family="Baetidae" genus="Nigrobaetis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ephemeroptera" pageId="5" pageNumber="46" phylum="Arthropoda" rank="species" species="rhithralis">
<emphasis id="B97DEAD5FFB6FFC4FEB9F9721418F97B" box="[323,544,1732,1754]" italics="true" pageId="5" pageNumber="46">Nigrobaetis rhithralis</emphasis>
(Soldán &amp; Thomas, 1983)
</taxonomicName>
, paratypes, male imagos: 5.—turbinate eyes in dorsal view; 6.—head in lateral view, right side; 7–8.—hind wings in lateral view, left side; 9.—right foreleg. Without scale lines.
</paragraph>
</caption>
<subSubSection id="C313654CFFB6FFC7FF3DF89016CFFF74" lastPageId="6" lastPageNumber="47" pageId="5" pageNumber="46" type="diagnosis">
<paragraph id="8BB636C7FFB6FFC4FF3DF8901467F8C2" blockId="5.[151,1437,1830,2035]" pageId="5" pageNumber="46">
<emphasis id="B97DEAD5FFB6FFC4FF3DF8901702F89E" bold="true" box="[199,314,1830,1855]" italics="true" pageId="5" pageNumber="46">Diagnosis</emphasis>
. 
<taxonomicName id="4C094D44FFB6FFC4FEB3F8901405F89E" baseAuthorityName="Soldan &amp; Thomas" baseAuthorityYear="1983" box="[329,573,1830,1855]" class="Insecta" family="Baetidae" genus="Nigrobaetis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ephemeroptera" pageId="5" pageNumber="46" phylum="Arthropoda" rank="species" species="rhithralis">
<emphasis id="B97DEAD5FFB6FFC4FEB3F8901405F89E" box="[329,573,1830,1855]" italics="true" pageId="5" pageNumber="46">Nigrobaetis rhithralis</emphasis>
</taxonomicName>
can be distinguished from other representatives of the genus 
<taxonomicName id="4C094D44FFB6FFC4FB0FF8901340F89E" authorityName="Godunko &amp; Martynov &amp; Gattolliat" authorityYear="2018" box="[1269,1400,1830,1855]" class="Insecta" family="Baetidae" genus="Nigrobaetis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ephemeroptera" pageId="5" pageNumber="46" phylum="Arthropoda" rank="genus">
<emphasis id="B97DEAD5FFB6FFC4FB0FF8901340F89E" box="[1269,1400,1830,1855]" italics="true" pageId="5" pageNumber="46">Nigrobaetis</emphasis>
</taxonomicName>
by the combination of following characters:
</paragraph>
<paragraph id="8BB636C7FFB6FFC7FF3DF8D816CFFF74" blockId="5.[151,1437,1830,2035]" lastBlockId="6.[151,1437,151,2013]" lastPageId="6" lastPageNumber="47" pageId="5" pageNumber="46">
<emphasis id="B97DEAD5FFB6FFC4FF3DF8D8176FF827" bold="true" box="[199,343,1902,1927]" pageId="5" pageNumber="46">
<emphasis id="B97DEAD5FFB6FFC4FF3DF8D81775F826" bold="true" box="[199,333,1902,1927]" italics="true" pageId="5" pageNumber="46">male imago</emphasis>
:
</emphasis>
facetted surface of turbinate eyes intensively dark orange, shaft with two ring of different colour [according to original description]; faceted surface weakly ellipsoidal; shaft moderately high and clearly diverge after middle of its length; hind wings with two longitudinal veins (
<figureCitation id="13322A42FFB6FFC4FC6FF80015C5F86E" box="[917,1021,1974,1999]" captionStart="FIGURES 5–9" captionStartId="5.[151,264,1732,1755]" captionTargetBox="[153,1431,460,1692]" captionTargetId="figure@5.[151,1436,445,1711]" captionTargetPageId="5" captionText="FIGURES 5–9. Nigrobaetis rhithralis (Soldán &amp; Thomas, 1983), paratypes, male imagos: 5.—turbinate eyes in dorsal view; 6.—head in lateral view, right side; 7–8.—hind wings in lateral view, left side; 9.—right foreleg. Without scale lines." httpUri="https://zenodo.org/record/1441402/files/figure.png" pageId="5" pageNumber="46">Figs 7, 8</figureCitation>
); second longitudinal vein forked at 0.48–0.56 of its length; abdominal terga I, VII–X rusty dark brownish; unistyliger nearly square-shaped, without apico-internal process; segment II of forceps with small inner hump; segment III of forceps elongated and rounded apically;
</paragraph>
</subSubSection>
<subSubSection id="C313654CFFB5FFCFFF3DFF691514F820" lastPageId="14" lastPageNumber="55" pageId="6" pageNumber="47" type="description">
<paragraph id="8BB636C7FFB5FFC7FF3DFF691766FD25" blockId="6.[151,1437,151,2013]" pageId="6" pageNumber="47">
<emphasis id="B97DEAD5FFB5FFC7FF3DFF691733FF59" bold="true" box="[199,267,223,248]" pageId="6" pageNumber="47">
<emphasis id="B97DEAD5FFB5FFC7FF3DFF69173AFF59" bold="true" box="[199,258,223,248]" italics="true" pageId="6" pageNumber="47">larva</emphasis>
:
</emphasis>
surface of antennal segment I and II with scattered short setae (
<figureCitation id="13322A42FFB5FFC7FC10FF691278FF59" box="[1002,1088,223,248]" captionStart="FIGURES 49–54" captionStartId="15.[151,264,1761,1784]" captionTargetBox="[151,1436,373,1741]" captionTargetId="figure@15.[151,1436,373,1741]" captionTargetPageId="15" captionText="FIGURES 49–54. Nigrobaetis rhithralis (Soldán &amp; Thomas, 1983), paratypes, larvae: 49.—scape and pedicel; 50.—shape of frontal suture; 51.—surface of tergum V; 52.—posterior margin and surface of tergum V; 53.—posterior margin and surface of tergum VIII; 54.—caudal filament segments. Scale lines = 10 µm [49, 51–54]; 100 µm [50]." httpUri="https://zenodo.org/record/1441418/files/figure.png" pageId="6" pageNumber="47">Fig. 49</figureCitation>
); flagellar segment with petalshaped scales and their sockets on surface, prominent slender spines on posterior margin; nearly U-shaped frontal suture (
<figureCitation id="13322A42FFB5FFC7FF11FE911707FEE1" box="[235,319,295,320]" captionStart="FIGURES 49–54" captionStartId="15.[151,264,1761,1784]" captionTargetBox="[151,1436,373,1741]" captionTargetId="figure@15.[151,1436,373,1741]" captionTargetPageId="15" captionText="FIGURES 49–54. Nigrobaetis rhithralis (Soldán &amp; Thomas, 1983), paratypes, larvae: 49.—scape and pedicel; 50.—shape of frontal suture; 51.—surface of tergum V; 52.—posterior margin and surface of tergum V; 53.—posterior margin and surface of tergum VIII; 54.—caudal filament segments. Scale lines = 10 µm [49, 51–54]; 100 µm [50]." httpUri="https://zenodo.org/record/1441418/files/figure.png" pageId="6" pageNumber="47">Fig. 50</figureCitation>
); labrum with 1+2 (sometimes up to 4) long submarginal setae (
<figureCitation id="13322A42FFB5FFC7FBF7FE9112B7FEE1" box="[1037,1167,295,320]" captionStart="FIGURES 17–25" captionStartId="11.[151,264,1936,1959]" captionTargetBox="[189,1400,194,1922]" captionTargetId="figure@11.[180,1414,193,1925]" captionTargetPageId="11" captionText="FIGURES 17–25. Nigrobaetis rhithralis (Soldán &amp; Thomas, 1983), paratypes, larvae: 17–18.—labrum; 19.—left mandible; 20.—right mandible; 21.—glossa; 22.—paraglossa; 23–25.—shape of third segment of labial palp [23], ventral side [24], dorsal side [25]. Without scale lines." httpUri="https://zenodo.org/record/1441410/files/figure.png" pageId="6" pageNumber="47">Figs 17, 18</figureCitation>
); subapical setae absent on glossae dorsally; segment III of labial palp oblong-shaped, with inner margin nearly straight or slightly concave; 9–12 stout setae with jagged margins along outer margin of femora, 22–26 on inner margin of tibia, and 14–25 on inner margin of tarsi; tarsal claw with 12–16 spines, without subapical tiny setae; posterior margin of abdominal terga ĪIII (rarely VI) with a row of relatively short, stout spines; surface of terga and legs (especially femora) with distinct dominance of petal-shaped scales; gill I absent, gills II–VI asymmetric, gill VII slightly asymmetric or nearly symmetric; posterior prolongation of paraproct absent; inner margin of paraproct and cercotractor with respectively 28–35 and 18–25 spines arranged in one row; transversal band absent on caudal filaments; terminal filament 1/2–2/3 of cerci; cuticular coloration of abdominal segments uniform, with a pair of paramedian pale strokes and spots.
</paragraph>
<paragraph id="8BB636C7FFB5FFC7FF3DFD3914B4FD51" blockId="6.[151,1437,151,2013]" pageId="6" pageNumber="47">
<emphasis id="B97DEAD5FFB5FFC7FF3DFD3917D1FD09" bold="true" box="[199,489,655,680]" pageId="6" pageNumber="47">
<emphasis id="B97DEAD5FFB5FFC7FF3DFD391775FD09" bold="true" box="[199,333,655,680]" italics="true" pageId="6" pageNumber="47">Description</emphasis>
. 
<emphasis id="B97DEAD5FFB5FFC7FEA7FD3917D1FD09" bold="true" box="[349,489,655,680]" italics="true" pageId="6" pageNumber="47">Male imago</emphasis>
</emphasis>
: Measurements: body length 
<quantity id="4CF19B22FFB5FFC7FCBBFD2615A4FD06" box="[833,924,656,680]" metricMagnitude="-3" metricUnit="m" metricValue="4.2" pageId="6" pageNumber="47" unit="mm" value="4.2">4.2 mm</quantity>
; forewing length 4.5̄ 
<quantity id="4CF19B22FFB5FFC7FB62FD2612CFFD06" box="[1176,1271,656,680]" metricMagnitude="-3" metricUnit="m" metricValue="4.6" pageId="6" pageNumber="47" unit="mm" value="4.6">4.6 mm</quantity>
; cercus length 5.0– 
<quantity id="4CF19B22FFB5FFC7FF32FD021719FD6D" box="[200,289,692,717]" metricMagnitude="-3" metricUnit="m" metricValue="5.2" pageId="6" pageNumber="47" unit="mm" value="5.2">5.2 mm</quantity>
. Specimens are partly damaged. The proportions of turbinate eyes are given in 
<tableCitation id="C68B037CFFB5FFC7FB67FD0212CAFD6D" box="[1181,1266,692,717]" captionStart="TABLE 1" captionStartId="23.[147,220,548,567]" captionText="TABLE 1. Morphological characters to distinguishing of Nigrobaetis rhithralis (Soldán &amp; Thomas, 1983) (Figs 1–9, 10A–B, 11–60) from N. digitatus (Bengtsson, 1912) (Figs 10C, 61–81). Distinct differential characters are marked in grey." pageId="6" pageNumber="47">Table 1</tableCitation>
; for details see also 
<bibRefCitation id="EF984B36FFB5FFC7FF31FD6114B0FD51" box="[203,648,727,752]" pageId="6" pageNumber="47" refId="ref12027" refString="Novikova, E. A. &amp; Kluge, N. J. (1994) Podenki podroda Nigrobaetis (Ephemeroptera, Baetidae, Baetis Leach, 1815) [Mayflies of the subgenus Nigrobaetis (Ephemeroptera, Baetidae, Baetis Leach, 1815)]. Entomologicheskoe Obozrenie, 73 (3), 623 - 644. [in Russian, with English summary]" type="journal article">Novikova &amp; Kluge (1994: 630, table 3)</bibRefCitation>
.
</paragraph>
<paragraph id="8BB636C7FFB5FFC7FF3DFD4B124BFC21" blockId="6.[151,1437,151,2013]" pageId="6" pageNumber="47">
Due to long-term storage of the material in ethanol (more than 30 years), the colour pattern of male imagos and other adults of 
<taxonomicName id="4C094D44FFB5FFC7FEB8FC9717F4FC99" baseAuthorityName="Soldan &amp; Thomas" baseAuthorityYear="1983" box="[322,460,799,824]" class="Insecta" family="Baetidae" genus="Nigrobaetis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ephemeroptera" pageId="6" pageNumber="47" phylum="Arthropoda" rank="species" species="rhithralis">
<emphasis id="B97DEAD5FFB5FFC7FEB8FC9717F4FC99" box="[322,460,799,824]" italics="true" pageId="6" pageNumber="47">N. rhithralis</emphasis>
</taxonomicName>
slightly differs from those described by 
<bibRefCitation id="EF984B36FFB5FFC7FC62FCA912FCFC99" box="[920,1220,799,824]" pageId="6" pageNumber="47" refId="ref12487" refString="Soldan, T. &amp; Thomas, A. G. B. (1983 a) New and little-known species of mayflies (Ephemeroptera) from Algeria. Acta Entomologica Bohemoslovaca, 80, 356 - 376." type="journal article">Soldán &amp; Thomas (1983a)</bibRefCitation>
(
<figureCitation id="13322A42FFB5FFC7FB2EFCA91301FC99" box="[1236,1337,799,824]" captionStart="FIGURES 1–4" captionStartId="4.[151,264,1764,1787]" captionTargetBox="[151,1436,519,1723]" captionTargetId="figure@4.[151,1436,519,1739]" captionTargetPageId="4" captionText="FIGURES 1–4. Nigrobaetis rhithralis (Soldán &amp; Thomas, 1983), paratypes, male imago [1–2] and female imago [3–4]: 1.— general lateral view, left side; 2.—head and prothorax in lateral view, right side; 3.—general lateral view, left side; 4.—head and prothorax in lateral view, left side. Scale lines = 1 mm [1, 3]; 0.5 mm [2]; 200 µm [4]." httpUri="https://zenodo.org/record/1441400/files/figure.png" pageId="6" pageNumber="47">Figs 1–4</figureCitation>
, 
<figureCitation id="13322A42FFB5FFC7FABCFC9613B7FC99" box="[1350,1423,800,824]" captionStart="FIGURES 11–12" captionStartId="8.[151,264,1168,1191]" captionTargetBox="[151,1436,193,1134]" captionTargetId="figure@8.[151,1436,193,1147]" captionTargetPageId="8" captionText="FIGURES 11–12. Nigrobaetis rhithralis (Soldán &amp; Thomas, 1983), paratype, female subimago: 11.—general dorsal view; 12.—head and thorax in dorsal view. Scale lines = 1 mm [11]; 200 µm [12]." httpUri="https://zenodo.org/record/1441406/files/figure.png" pageId="6" pageNumber="47">11, 12</figureCitation>
). Regarding the general colour pattern published in the original description, the body colour of historical material is faded. Cuticular coloration is poorly distinguishable, especially on abdominal segments.
</paragraph>
<paragraph id="8BB636C7FFB5FFC7FF3DFC3A159EFB64" blockId="6.[151,1437,151,2013]" pageId="6" pageNumber="47">
<emphasis id="B97DEAD5FFB5FFC7FF3DFC3A173CFC04" box="[199,260,908,933]" italics="true" pageId="6" pageNumber="47">Head</emphasis>
. Vast part unicolorous light brown; darker smudges seen proximally. Antennae yellowish basally, yellowish-white apically. Dirty yellowish smudge seen between lateral ocelli. Ocelli yellow to dirty yellow apically, black basally. Turbinate eyes moderately high, well separated and diverge near to middle of their length (
<figureCitation id="13322A42FFB5FFC7FF65FC4116DFFBB1" box="[159,231,1015,1040]" captionStart="FIGURES 1–4" captionStartId="4.[151,264,1764,1787]" captionTargetBox="[151,1436,519,1723]" captionTargetId="figure@4.[151,1436,519,1739]" captionTargetPageId="4" captionText="FIGURES 1–4. Nigrobaetis rhithralis (Soldán &amp; Thomas, 1983), paratypes, male imago [1–2] and female imago [3–4]: 1.— general lateral view, left side; 2.—head and prothorax in lateral view, right side; 3.—general lateral view, left side; 4.—head and prothorax in lateral view, left side. Scale lines = 1 mm [1, 3]; 0.5 mm [2]; 200 µm [4]." httpUri="https://zenodo.org/record/1441400/files/figure.png" pageId="6" pageNumber="47">Figs 2</figureCitation>
, 
<figureCitation id="13322A42FFB5FFC7FF08FC411726FBB1" box="[242,286,1015,1040]" captionStart="FIGURES 5–9" captionStartId="5.[151,264,1732,1755]" captionTargetBox="[153,1431,460,1692]" captionTargetId="figure@5.[151,1436,445,1711]" captionTargetPageId="5" captionText="FIGURES 5–9. Nigrobaetis rhithralis (Soldán &amp; Thomas, 1983), paratypes, male imagos: 5.—turbinate eyes in dorsal view; 6.—head in lateral view, right side; 7–8.—hind wings in lateral view, left side; 9.—right foreleg. Without scale lines." httpUri="https://zenodo.org/record/1441402/files/figure.png" pageId="6" pageNumber="47">5, 6</figureCitation>
); distance between basal part of turbinate eyes approximated equal to width of central ocellus; distance between upper parts of eyes at least three times more than base of central ocellus (for other proportions see 
<tableCitation id="C68B037CFFB5FFC7FAA4FBAA169CFBF9" captionStart="TABLE 1" captionStartId="23.[147,220,548,567]" captionText="TABLE 1. Morphological characters to distinguishing of Nigrobaetis rhithralis (Soldán &amp; Thomas, 1983) (Figs 1–9, 10A–B, 11–60) from N. digitatus (Bengtsson, 1912) (Figs 10C, 61–81). Distinct differential characters are marked in grey." pageId="6" pageNumber="47">Table 1</tableCitation>
). Faceted surface of turbinate eyes ellipsoidal dorsally (
<figureCitation id="13322A42FFB5FFC7FCBCFB8915B6FBF9" box="[838,910,1087,1112]" captionStart="FIGURES 5–9" captionStartId="5.[151,264,1732,1755]" captionTargetBox="[153,1431,460,1692]" captionTargetId="figure@5.[151,1436,445,1711]" captionTargetPageId="5" captionText="FIGURES 5–9. Nigrobaetis rhithralis (Soldán &amp; Thomas, 1983), paratypes, male imagos: 5.—turbinate eyes in dorsal view; 6.—head in lateral view, right side; 7–8.—hind wings in lateral view, left side; 9.—right foreleg. Without scale lines." httpUri="https://zenodo.org/record/1441402/files/figure.png" pageId="6" pageNumber="47">Fig. 5</figureCitation>
), slightly flattened; outer and inner margins distinctly convex. Faceted surface unicolorous, fadedly dirty brown [
<emphasis id="B97DEAD5FFB5FFC7FC61FBD2129AFBDD" box="[923,1186,1124,1149]" italics="true" pageId="6" pageNumber="47">intensively dark orange</emphasis>
: original description]. Colour pattern of turbinate eyes shaft poorly preserved (
<figureCitation id="13322A42FFB5FFC7FCE8FB31156FFB01" box="[786,855,1159,1184]" captionStart="FIGURES 1–4" captionStartId="4.[151,264,1764,1787]" captionTargetBox="[151,1436,519,1723]" captionTargetId="figure@4.[151,1436,519,1739]" captionTargetPageId="4" captionText="FIGURES 1–4. Nigrobaetis rhithralis (Soldán &amp; Thomas, 1983), paratypes, male imago [1–2] and female imago [3–4]: 1.— general lateral view, left side; 2.—head and prothorax in lateral view, right side; 3.—general lateral view, left side; 4.—head and prothorax in lateral view, left side. Scale lines = 1 mm [1, 3]; 0.5 mm [2]; 200 µm [4]." httpUri="https://zenodo.org/record/1441400/files/figure.png" pageId="6" pageNumber="47">Fig. 2</figureCitation>
), i.e. apical strip only slightly paler than basal strip [
<emphasis id="B97DEAD5FFB5FFC7FF5AFB1A1533FB64" box="[160,779,1196,1221]" italics="true" pageId="6" pageNumber="47">broad paler strip apically and dark brown strip basally</emphasis>
: orig. descr.].
</paragraph>
<paragraph id="8BB636C7FFB5FFC7FF3DFB791256FAAC" blockId="6.[151,1437,151,2013]" pageId="6" pageNumber="47">
<emphasis id="B97DEAD5FFB5FFC7FF3DFB791720FB49" box="[199,280,1231,1256]" italics="true" pageId="6" pageNumber="47">Thorax</emphasis>
. General colour pitch brown; pro- and metathorax slightly paler than mesothorax, light yellowishbrown to brown (
<figureCitation id="13322A42FFB5FFC7FEA3FB4217A2FAAD" box="[345,410,1268,1293]" captionStart="FIGURES 1–4" captionStartId="4.[151,264,1764,1787]" captionTargetBox="[151,1436,519,1723]" captionTargetId="figure@4.[151,1436,519,1739]" captionTargetPageId="4" captionText="FIGURES 1–4. Nigrobaetis rhithralis (Soldán &amp; Thomas, 1983), paratypes, male imago [1–2] and female imago [3–4]: 1.— general lateral view, left side; 2.—head and prothorax in lateral view, right side; 3.—general lateral view, left side; 4.—head and prothorax in lateral view, left side. Scale lines = 1 mm [1, 3]; 0.5 mm [2]; 200 µm [4]." httpUri="https://zenodo.org/record/1441400/files/figure.png" pageId="6" pageNumber="47">Fig. 1</figureCitation>
). Ventral side of thorax paler than dorsal side, yellowish-brown.
</paragraph>
<paragraph id="8BB636C7FFB5FFC7FF3DFAA115AEFA44" blockId="6.[151,1437,151,2013]" pageId="6" pageNumber="47">
Wings hyaline, translucent, unicolorous [
<emphasis id="B97DEAD5FFB5FFC7FD6EFAA11531FA91" box="[660,777,1303,1328]" italics="true" pageId="6" pageNumber="47">milky grey</emphasis>
: orig. descr.] (
<figureCitation id="13322A42FFB5FFC7FC57FAA115D6FA91" box="[941,1006,1303,1328]" captionStart="FIGURES 1–4" captionStartId="4.[151,264,1764,1787]" captionTargetBox="[151,1436,519,1723]" captionTargetId="figure@4.[151,1436,519,1739]" captionTargetPageId="4" captionText="FIGURES 1–4. Nigrobaetis rhithralis (Soldán &amp; Thomas, 1983), paratypes, male imago [1–2] and female imago [3–4]: 1.— general lateral view, left side; 2.—head and prothorax in lateral view, right side; 3.—general lateral view, left side; 4.—head and prothorax in lateral view, left side. Scale lines = 1 mm [1, 3]; 0.5 mm [2]; 200 µm [4]." httpUri="https://zenodo.org/record/1441400/files/figure.png" pageId="6" pageNumber="47">Fig. 1</figureCitation>
). Longitudinal venation of fore wings yellowish-white; cross venation pale, poorly visible; pterostigma slightly frosted-white, with 7–10 cross veins (several of them bifurcated). Hind wings elongated, 2.90–2.94 times longer than wide; costal process of hind wings well developed, not hooked (
<figureCitation id="13322A42FFB5FFC7FE26FA321479FA3D" box="[476,577,1412,1437]" captionStart="FIGURES 5–9" captionStartId="5.[151,264,1732,1755]" captionTargetBox="[153,1431,460,1692]" captionTargetId="figure@5.[151,1436,445,1711]" captionTargetPageId="5" captionText="FIGURES 5–9. Nigrobaetis rhithralis (Soldán &amp; Thomas, 1983), paratypes, male imagos: 5.—turbinate eyes in dorsal view; 6.—head in lateral view, right side; 7–8.—hind wings in lateral view, left side; 9.—right foreleg. Without scale lines." httpUri="https://zenodo.org/record/1441402/files/figure.png" pageId="6" pageNumber="47">Figs 7, 8</figureCitation>
). Two well developed longitudinal veins present at hind wings, occasionally with short third vein near base of wing (
<figureCitation id="13322A42FFB5FFC7FDA9FA1114AFFA61" box="[595,663,1447,1472]" captionStart="FIGURES 5–9" captionStartId="5.[151,264,1732,1755]" captionTargetBox="[153,1431,460,1692]" captionTargetId="figure@5.[151,1436,445,1711]" captionTargetPageId="5" captionText="FIGURES 5–9. Nigrobaetis rhithralis (Soldán &amp; Thomas, 1983), paratypes, male imagos: 5.—turbinate eyes in dorsal view; 6.—head in lateral view, right side; 7–8.—hind wings in lateral view, left side; 9.—right foreleg. Without scale lines." httpUri="https://zenodo.org/record/1441402/files/figure.png" pageId="6" pageNumber="47">Fig. 8</figureCitation>
). Second longitudinal vein forked at 0.48–0.56 of its length, with one intercalary vein in fork; second longitudinal vein fork asymmetrical.
</paragraph>
<paragraph id="8BB636C7FFB5FFC7FF3DFA4714C9F98D" blockId="6.[151,1437,151,2013]" pageId="6" pageNumber="47">
Legs yellowish to dirty yellowish, with slightly darker femora [
<emphasis id="B97DEAD5FFB5FFC7FC71FA591257F9A9" box="[907,1135,1519,1544]" italics="true" pageId="6" pageNumber="47">whitish, unicolorous</emphasis>
: orig. descr.]. Mean length ratio of tarsomeres of foreleg as in 
<tableCitation id="C68B037CFFB5FFC7FDE5F9A2144AF98D" box="[543,626,1556,1581]" captionStart="TABLE 1" captionStartId="23.[147,220,548,567]" captionText="TABLE 1. Morphological characters to distinguishing of Nigrobaetis rhithralis (Soldán &amp; Thomas, 1983) (Figs 1–9, 10A–B, 11–60) from N. digitatus (Bengtsson, 1912) (Figs 10C, 61–81). Distinct differential characters are marked in grey." pageId="6" pageNumber="47">Table 1</tableCitation>
and 
<figureCitation id="13322A42FFB5FFC7FD53F9A214D5F98D" box="[681,749,1556,1581]" captionStart="FIGURES 5–9" captionStartId="5.[151,264,1732,1755]" captionTargetBox="[153,1431,460,1692]" captionTargetId="figure@5.[151,1436,445,1711]" captionTargetPageId="5" captionText="FIGURES 5–9. Nigrobaetis rhithralis (Soldán &amp; Thomas, 1983), paratypes, male imagos: 5.—turbinate eyes in dorsal view; 6.—head in lateral view, right side; 7–8.—hind wings in lateral view, left side; 9.—right foreleg. Without scale lines." httpUri="https://zenodo.org/record/1441402/files/figure.png" pageId="6" pageNumber="47">Fig. 9</figureCitation>
.
</paragraph>
<paragraph id="8BB636C7FFB5FFC7FF3DF98114BDF939" blockId="6.[151,1437,151,2013]" pageId="6" pageNumber="47">
<emphasis id="B97DEAD5FFB5FFC7FF3DF9811709F9F1" box="[199,305,1591,1616]" italics="true" pageId="6" pageNumber="47">Abdomen</emphasis>
. Terga without visible pattern; segments II–VI uncoloured, translucent, with small greyish shadows anterolaterally [
<emphasis id="B97DEAD5FFB5FFC7FEB0F9EA1461F9D4" box="[330,601,1628,1653]" italics="true" pageId="6" pageNumber="47">white, without markings</emphasis>
: orig. descr.]; terga I, VII–X light brown, with inconspicuous light brown smudges [
<emphasis id="B97DEAD5FFB5FFC7FEF3F93717D2F939" box="[265,490,1663,1688]" italics="true" pageId="6" pageNumber="47">rusty dark brownish</emphasis>
: orig. descr.].
</paragraph>
<paragraph id="8BB636C7FFB5FFC7FF3DF91214D1F91C" blockId="6.[151,1437,151,2013]" box="[199,745,1700,1725]" pageId="6" pageNumber="47">Cerci unicoloured yellowish-grey, paler apically.</paragraph>
<paragraph id="8BB636C7FFB5FFC7FF3DF9711419F87C" blockId="6.[151,1437,151,2013]" pageId="6" pageNumber="47">
<emphasis id="B97DEAD5FFB5FFC7FF3DF9711709F941" box="[199,305,1735,1760]" italics="true" pageId="6" pageNumber="47">Genitalia</emphasis>
. General colour yellowish to light brown; styliger, including unistyliger segments darker, forceps segments paler. Proportions of individual forceps segments slightly differ from those in original description: unistyliger nearly square-shaped (
<figureCitation id="13322A42FFB5FFC7FDDEF8B9148AF889" box="[548,690,1807,1832]" captionStart="FIGURE 10" captionStartId="7.[151,250,1893,1915]" captionTargetBox="[223,1359,201,1865]" captionTargetId="figure@7.[223,1360,193,1865]" captionTargetPageId="7" captionText="FIGURE 10A–C. Nigrobaetis rhithralis (Soldán &amp; Thomas, 1983), paratypes, male imago genitalia, ventral view [Figs 10A, 10B]; Nigrobaetis digitatus (Bengtsson, 1912), male imago genitalia, ventral view [Fig. 10C; Russian Federation, Psekups River; the specimen previously described as B. digigracilis by Novikova (1987)]. Figure 10C modified based on photo provided by N.J. Kluge (sampling description see above). Scale lines = 100 µm. 10A and 10C—without scale line." httpUri="https://zenodo.org/record/1441404/files/figure.png" pageId="6" pageNumber="47">Fig. 10A–B</figureCitation>
), only slightly tapered apically, without apico-internal process, approximately 0.78–0.82 times longer than wide; segment I conical, slightly narrowed towards apex [
<emphasis id="B97DEAD5FFB5FFC7FAD7F88314A6F8D1" italics="true" pageId="6" pageNumber="47">segment I oblong-shaped, about twice broader than long</emphasis>
: orig. descr.]; segment II expanding apically, with small blunt hump on inner margin basally [
<emphasis id="B97DEAD5FFB5FFC7FE55F8CB172CF818" italics="true" pageId="6" pageNumber="47">segment II slightly tapered in middle, with inconspicuous bluntly pointed projection at the same place</emphasis>
: orig. descr.]; segment III narrow and elongated, slightly expanding apically, rounded, 3.10–3.40 times longer than wide [
<emphasis id="B97DEAD5FFB5FFC7FE99F87217BEF87D" box="[355,390,1988,2012]" italics="true" pageId="6" pageNumber="47">2.5</emphasis>
: orig. descr.].
</paragraph>
<caption id="DF76664FFFB4FFC6FF6DF8D3131AF876" httpUri="https://zenodo.org/record/1441404/files/figure.png" pageId="7" pageNumber="48" startId="7.[151,250,1893,1915]" targetBox="[223,1359,201,1865]" targetPageId="7">
<paragraph id="8BB636C7FFB4FFC6FF6DF8D3131AF876" blockId="7.[151,1436,1892,2007]" pageId="7" pageNumber="48">
<emphasis id="B97DEAD5FFB4FFC6FF6DF8D3176AF8DA" bold="true" box="[151,338,1893,1915]" pageId="7" pageNumber="48">FIGURE 10A–C.</emphasis>
<taxonomicName id="4C094D44FFB4FFC6FEA3F8D21573F8DB" authority="(Soldan &amp; Thomas, 1983)" authorityName="Soldan &amp; Thomas" authorityYear="1983" baseAuthorityName="Soldan &amp; Thomas" baseAuthorityYear="1983" box="[345,843,1892,1914]" class="Insecta" family="Baetidae" genus="Nigrobaetis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ephemeroptera" pageId="7" pageNumber="48" phylum="Arthropoda" rank="species" species="rhithralis">
<emphasis id="B97DEAD5FFB4FFC6FEA3F8D2140EF8DB" box="[345,566,1892,1914]" italics="true" pageId="7" pageNumber="48">Nigrobaetis rhithralis</emphasis>
(Soldán &amp; Thomas, 1983)
</taxonomicName>
, paratypes, male imago genitalia, ventral view [Figs 10A, 10B]; 
<taxonomicName id="4C094D44FFB4FFC6FF20F8351443F838" authority="(Bengtsson, 1912)" authorityName="Bengtsson" authorityYear="1912" baseAuthorityName="Bengtsson" baseAuthorityYear="1912" box="[218,635,1923,1945]" class="Insecta" family="Baetidae" genus="Nigrobaetis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ephemeroptera" pageId="7" pageNumber="48" phylum="Arthropoda" rank="species" species="digitatus">
<emphasis id="B97DEAD5FFB4FFC6FF20F835178BF838" box="[218,435,1923,1945]" italics="true" pageId="7" pageNumber="48">Nigrobaetis digitatus</emphasis>
(Bengtsson, 1912)
</taxonomicName>
, male imago genitalia, ventral view [Fig. 10C; Russian Federation, Psekups River; the specimen previously described as 
<taxonomicName id="4C094D44FFB4FFC6FD81F8151529F819" box="[635,785,1954,1976]" class="Insecta" family="Baetidae" genus="Baetis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ephemeroptera" pageId="7" pageNumber="48" phylum="Arthropoda" rank="species" species="digigracilis">
<emphasis id="B97DEAD5FFB4FFC6FD81F8151529F819" box="[635,785,1954,1976]" italics="true" pageId="7" pageNumber="48">B. digigracilis</emphasis>
</taxonomicName>
by Novikova (1987)]. Figure 10C modified based on photo provided by N.J. Kluge (sampling description see above). Scale lines = 100 µm. 10A and 10C—without scale line.
</paragraph>
</caption>
<caption id="DF76664FFFBBFFC9FF6DFB2615AFFB64" httpUri="https://zenodo.org/record/1441406/files/figure.png" pageId="8" pageNumber="49" startId="8.[151,264,1168,1191]" targetBox="[151,1436,193,1134]" targetPageId="8">
<paragraph id="8BB636C7FFBBFFC9FF6DFB2615AFFB64" blockId="8.[151,1436,1168,1221]" pageId="8" pageNumber="49">
<emphasis id="B97DEAD5FFBBFFC9FF6DFB26176DFB07" bold="true" box="[151,341,1168,1191]" pageId="8" pageNumber="49">FIGURES 11–12.</emphasis>
<taxonomicName id="4C094D44FFBBFFC9FEA4FB271563FB06" authority="(Soldan &amp; Thomas, 1983)" authorityName="Soldan &amp; Thomas" authorityYear="1983" baseAuthorityName="Soldan &amp; Thomas" baseAuthorityYear="1983" box="[350,859,1169,1191]" class="Insecta" family="Baetidae" genus="Nigrobaetis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ephemeroptera" pageId="8" pageNumber="49" phylum="Arthropoda" rank="species" species="rhithralis">
<emphasis id="B97DEAD5FFBBFFC9FEA4FB271405FB06" box="[350,573,1169,1191]" italics="true" pageId="8" pageNumber="49">Nigrobaetis rhithralis</emphasis>
(Soldán &amp; Thomas, 1983)
</taxonomicName>
, paratype, female subimago: 11.—general dorsal view; 12.—head and thorax in dorsal view. Scale lines = 1 mm [11]; 200 µm [12].
</paragraph>
</caption>
<paragraph id="8BB636C7FFBBFFC9FF3DFB5D12EBFA89" blockId="8.[151,1437,1259,2004]" pageId="8" pageNumber="49">
<emphasis id="B97DEAD5FFBBFFC9FF3DFB5D174BFAA5" bold="true" box="[199,371,1259,1284]" italics="true" pageId="8" pageNumber="49">Female imago.</emphasis>
Measurements: body length 5.0 mm; forewing length 4.9̄5.0 mm; cercus broken. Specimen is partly damaged. General colour yellowish to yellowish brown, paler than in male imago (
<figureCitation id="13322A42FFBBFFC9FB7AFAB912FDFA89" box="[1152,1221,1295,1320]" captionStart="FIGURES 1–4" captionStartId="4.[151,264,1764,1787]" captionTargetBox="[151,1436,519,1723]" captionTargetId="figure@4.[151,1436,519,1739]" captionTargetPageId="4" captionText="FIGURES 1–4. Nigrobaetis rhithralis (Soldán &amp; Thomas, 1983), paratypes, male imago [1–2] and female imago [3–4]: 1.— general lateral view, left side; 2.—head and prothorax in lateral view, right side; 3.—general lateral view, left side; 4.—head and prothorax in lateral view, left side. Scale lines = 1 mm [1, 3]; 0.5 mm [2]; 200 µm [4]." httpUri="https://zenodo.org/record/1441400/files/figure.png" pageId="8" pageNumber="49">Fig. 3</figureCitation>
).
</paragraph>
<paragraph id="8BB636C7FFBBFFC9FF3DFA8514E2FA35" blockId="8.[151,1437,1259,2004]" pageId="8" pageNumber="49">
<emphasis id="B97DEAD5FFBBFFC9FF3DFA85173CFAED" box="[199,260,1331,1356]" italics="true" pageId="8" pageNumber="49">Head</emphasis>
. Yellow, with darker smudges near eyes dorsally. Posterior margin of head nearly straight, only slightly convex medially (
<figureCitation id="13322A42FFBBFFC9FE9EFAE11781FAD1" box="[356,441,1367,1392]" captionStart="FIGURES 11–12" captionStartId="8.[151,264,1168,1191]" captionTargetBox="[151,1436,193,1134]" captionTargetId="figure@8.[151,1436,193,1147]" captionTargetPageId="8" captionText="FIGURES 11–12. Nigrobaetis rhithralis (Soldán &amp; Thomas, 1983), paratype, female subimago: 11.—general dorsal view; 12.—head and thorax in dorsal view. Scale lines = 1 mm [11]; 200 µm [12]." httpUri="https://zenodo.org/record/1441406/files/figure.png" pageId="8" pageNumber="49">Fig. 12</figureCitation>
). Antennae yellow to greyish-yellow, scape darker. Eyes widely separated, unicoloured black, ocelli whitish apically, black basally (
<figureCitation id="13322A42FFBBFFC9FD7DFACD14F5FA35" box="[647,717,1403,1428]" captionStart="FIGURES 1–4" captionStartId="4.[151,264,1764,1787]" captionTargetBox="[151,1436,519,1723]" captionTargetId="figure@4.[151,1436,519,1739]" captionTargetPageId="4" captionText="FIGURES 1–4. Nigrobaetis rhithralis (Soldán &amp; Thomas, 1983), paratypes, male imago [1–2] and female imago [3–4]: 1.— general lateral view, left side; 2.—head and prothorax in lateral view, right side; 3.—general lateral view, left side; 4.—head and prothorax in lateral view, left side. Scale lines = 1 mm [1, 3]; 0.5 mm [2]; 200 µm [4]." httpUri="https://zenodo.org/record/1441400/files/figure.png" pageId="8" pageNumber="49">Fig. 4</figureCitation>
).
</paragraph>
<paragraph id="8BB636C7FFBBFFC9FF3DFA2917B0F985" blockId="8.[151,1437,1259,2004]" pageId="8" pageNumber="49">
<emphasis id="B97DEAD5FFBBFFC9FF3DFA291720FA19" box="[199,280,1439,1464]" italics="true" pageId="8" pageNumber="49">Thorax</emphasis>
. Yellowish-brown to brown dorsally, yellow ventrally. Wings hyaline, translucent; forewings slightly frosted light yellow, with milky pterostigma (
<figureCitation id="13322A42FFBBFFC9FD58FA7514D0FA7D" box="[674,744,1475,1500]" captionStart="FIGURES 1–4" captionStartId="4.[151,264,1764,1787]" captionTargetBox="[151,1436,519,1723]" captionTargetId="figure@4.[151,1436,519,1739]" captionTargetPageId="4" captionText="FIGURES 1–4. Nigrobaetis rhithralis (Soldán &amp; Thomas, 1983), paratypes, male imago [1–2] and female imago [3–4]: 1.— general lateral view, left side; 2.—head and prothorax in lateral view, right side; 3.—general lateral view, left side; 4.—head and prothorax in lateral view, left side. Scale lines = 1 mm [1, 3]; 0.5 mm [2]; 200 µm [4]." httpUri="https://zenodo.org/record/1441400/files/figure.png" pageId="8" pageNumber="49">Fig. 3</figureCitation>
). Longitudinal veins of forewings yellow to whitish-yellow, paler in Cu–A field. Hind wings with venation similar to those in male imago. Legs unicoloured whitish-yellow, coxae slightly darker.
</paragraph>
<paragraph id="8BB636C7FFBBFFC9FF3DF999132EF9E9" blockId="8.[151,1437,1259,2004]" box="[199,1302,1583,1608]" pageId="8" pageNumber="49">
<emphasis id="B97DEAD5FFBBFFC9FF3DF9991709F9E9" box="[199,305,1583,1608]" italics="true" pageId="8" pageNumber="49">Abdomen</emphasis>
. Terga whitish-yellow, partly translucent; segments VIII–X paler, yellow to dirty yellow.
</paragraph>
<paragraph id="8BB636C7FFBBFFC9FF3DF9E51774F931" blockId="8.[151,1437,1259,2004]" pageId="8" pageNumber="49">
<emphasis id="B97DEAD5FFBBFFC9FF3DF9E51747F9CD" bold="true" box="[199,383,1619,1644]" italics="true" pageId="8" pageNumber="49">Male subimago.</emphasis>
Measurements: body length 
<quantity id="4CF19B22FFBBFFC9FD3FF9E21526F9CA" box="[709,798,1620,1644]" metricMagnitude="-3" metricUnit="m" metricValue="4.3" pageId="8" pageNumber="49" unit="mm" value="4.3">4.3 mm</quantity>
; forewing length 4.4̄ 
<quantity id="4CF19B22FFBBFFC9FBE8F9E51256F9CA" box="[1042,1134,1619,1643]" metricMagnitude="-3" metricUnit="m" metricValue="4.5" pageId="8" pageNumber="49" unit="mm" value="4.5">4.5 mm</quantity>
; cercus broken. Specimens partly damaged.
</paragraph>
<paragraph id="8BB636C7FFBBFFC9FF3DF92D16CBF881" blockId="8.[151,1437,1259,2004]" pageId="8" pageNumber="49">
<emphasis id="B97DEAD5FFBBFFC9FF3DF92D173CF915" box="[199,260,1691,1716]" italics="true" pageId="8" pageNumber="49">Head</emphasis>
. Yellowish-brown to dirty brown; scape and pedicel brown; flagellum whitish-yellow; eyes and base of ocelli blackish; upper part of ocelli whitish. Faceted surface of turbinate eyes dirty brown; shaft pale, divided into two portions, with dirty yellow upper strip and light brown lower strip (margins between these both strips poorly visible).
</paragraph>
<paragraph id="8BB636C7FFBBFFC9FF3DF89D13BBF82A" blockId="8.[151,1437,1259,2004]" pageId="8" pageNumber="49">
<emphasis id="B97DEAD5FFBBFFC9FF3DF89D1720F8E5" box="[199,280,1835,1860]" italics="true" pageId="8" pageNumber="49">Thorax</emphasis>
. General colour light brown to brown; dark brown bands seen along of thoraxal sutures. Ventral side of thorax paler than dorsal side, yellowish-brown. Wings opaque, dirty yellowish; longitudinal venation yellow, darker basally; cross veins poorly distinguishable. Legs unicoloured whitish, forelegs same colour as other ones.
</paragraph>
<paragraph id="8BB636C7FFBBFFC8FF3DF8211280FF74" blockId="8.[151,1437,1259,2004]" lastBlockId="9.[151,1437,151,2013]" lastPageId="9" lastPageNumber="50" pageId="8" pageNumber="49">
<emphasis id="B97DEAD5FFBBFFC9FF3DF8211709F811" box="[199,305,1943,1968]" italics="true" pageId="8" pageNumber="49">Abdomen</emphasis>
. General colour brown, last two segments slightly paler; unclear pattern with one central and two oblique lateral strokes [
<emphasis id="B97DEAD5FFBBFFC9FE65F80B14FCF875" box="[415,708,1979,2004]" italics="true" pageId="8" pageNumber="49">a pair of divergent strokes</emphasis>
: orig. descr.] seen medioanteriorly on terga II–VII (VIII). Sterna slightly paler than terga, yellow; longitudinal brownish smudges presented along of outer segment margins. Genitalia with yellow styliger and unistyliger segments, and whitish-yellow forceps segments.
</paragraph>
<paragraph id="8BB636C7FFBAFFC8FF3DFF6917CEFEBC" blockId="9.[151,1437,151,2013]" pageId="9" pageNumber="50">
<emphasis id="B97DEAD5FFBAFFC8FF3DFF69179CFF59" bold="true" box="[199,420,223,248]" italics="true" pageId="9" pageNumber="50">Female subimago.</emphasis>
Measurements: body length 4.8–5.0 mm; forewing length 5.0 mm; circus broken. Specimens are partly damaged.
</paragraph>
<paragraph id="8BB636C7FFBAFFC8FF3DFE9117DEFE0C" blockId="9.[151,1437,151,2013]" pageId="9" pageNumber="50">
General body colour (
<figureCitation id="13322A42FFBAFFC8FE45FE911407FEE1" box="[447,575,295,320]" captionStart="FIGURES 11–12" captionStartId="8.[151,264,1168,1191]" captionTargetBox="[151,1436,193,1134]" captionTargetId="figure@8.[151,1436,193,1147]" captionTargetPageId="8" captionText="FIGURES 11–12. Nigrobaetis rhithralis (Soldán &amp; Thomas, 1983), paratype, female subimago: 11.—general dorsal view; 12.—head and thorax in dorsal view. Scale lines = 1 mm [11]; 200 µm [12]." httpUri="https://zenodo.org/record/1441406/files/figure.png" pageId="9" pageNumber="50">Figs 11, 12</figureCitation>
) similar to those of female imago; thorax slightly paler, yellowish-brown to light brown; abdominal segments unicolorous light brown, with pale pattern medially similar to those in female imago. Forewings colour similar to those of male subimago or slightly darker, frosted-yellow. Preserved part of cerci whitish, with yellow tip.
</paragraph>
<paragraph id="8BB636C7FFBAFFC8FF3CFE0E13A5FE6E" blockId="9.[151,1437,151,2013]" box="[198,1437,439,464]" pageId="9" pageNumber="50">
<emphasis id="B97DEAD5FFBAFFC8FF3CFE0E1755FE71" bold="true" box="[198,365,439,464]" italics="true" pageId="9" pageNumber="50">Mature nymph</emphasis>
: Measurements: body length 4.2̄ 
<quantity id="4CF19B22FFBAFFC8FD21FE0E1509FE6E" box="[731,817,440,464]" metricMagnitude="-3" metricUnit="m" metricValue="4.4" pageId="9" pageNumber="50" unit="mm" value="4.4">4.4 mm</quantity>
[male], 5.5̄ 
<quantity id="4CF19B22FFBAFFC8FC42FE0E1236FE6E" box="[952,1038,440,464]" metricMagnitude="-3" metricUnit="m" metricValue="6.2" pageId="9" pageNumber="50" unit="mm" value="6.2">6.2 mm</quantity>
[female]; cercus length 2.0̄ 
<quantity id="4CF19B22FFBAFFC8FABAFE0E13A1FE6E" box="[1344,1433,440,464]" metricMagnitude="-3" metricUnit="m" metricValue="2.4" pageId="9" pageNumber="50" unit="mm" value="2.4">2.4 mm</quantity>
.
</paragraph>
<paragraph id="8BB636C7FFBAFFC8FF3DFE6B158AFD9C" blockId="9.[151,1437,151,2013]" pageId="9" pageNumber="50">
Due to long-term storage of the material in ethanol, the colour pattern slightly differs from those described by 
<bibRefCitation id="EF984B36FFBAFFC8FF6DFE4917F1FDB9" box="[151,457,511,536]" pageId="9" pageNumber="50" refId="ref12487" refString="Soldan, T. &amp; Thomas, A. G. B. (1983 a) New and little-known species of mayflies (Ephemeroptera) from Algeria. Acta Entomologica Bohemoslovaca, 80, 356 - 376." type="journal article">Soldán &amp; Thomas (1983a)</bibRefCitation>
, i.e. more paler, faded. Cuticular colouration is poorly distinguishable in larvae (
<figureCitation id="13322A42FFBAFFC8FA90FE4916D8FD9C" captionStart="FIGURES 13–16" captionStartId="10.[151,264,1844,1867]" captionTargetBox="[151,1436,204,1813]" captionTargetId="figure@10.[151,1436,193,1823]" captionTargetPageId="10" captionText="FIGURES 13–16. Nigrobaetis rhithralis (Soldán &amp; Thomas, 1983), paratypes, male larvae: 13.—general lateral view, left side; 14.—general dorsal view; 15.—head and prothorax in lateral view, left side; 16.—abdominal terga in dorsal view. Scale lines = 1 mm [13, 14]; 0.5 mm [15, 16]." httpUri="https://zenodo.org/record/1441408/files/figure.png" pageId="9" pageNumber="50">Figs 13–16</figureCitation>
), but relatively well preserved in larval skins mounted on slides.
</paragraph>
<paragraph id="8BB636C7FFBAFFC8FF3DFDF1133DFD51" blockId="9.[151,1437,151,2013]" pageId="9" pageNumber="50">
<emphasis id="B97DEAD5FFBAFFC8FF3DFDF117FCFDC1" box="[199,452,583,608]" italics="true" pageId="9" pageNumber="50">Cuticular colouration</emphasis>
. General colour yellowish-brown to brown. Head relatively pale, light yellow to yellowish-brown; distinct diffuse pale spot on clypeus and between base of antennae; diffuse pale maculation presented around of epicranial suture; genae yellow to light brown. Antennae generally unicolorous whitish-yellow to light brown, except slightly paler tip of flagellum. Surface of cuticula of larval turbinate eyes dirty yellow to light brown (
<figureCitation id="13322A42FFBAFFC8FED2FD611744FD51" box="[296,380,727,752]" captionStart="FIGURES 13–16" captionStartId="10.[151,264,1844,1867]" captionTargetBox="[151,1436,204,1813]" captionTargetId="figure@10.[151,1436,193,1823]" captionTargetPageId="10" captionText="FIGURES 13–16. Nigrobaetis rhithralis (Soldán &amp; Thomas, 1983), paratypes, male larvae: 13.—general lateral view, left side; 14.—general dorsal view; 15.—head and prothorax in lateral view, left side; 16.—abdominal terga in dorsal view. Scale lines = 1 mm [13, 14]; 0.5 mm [15, 16]." httpUri="https://zenodo.org/record/1441408/files/figure.png" pageId="9" pageNumber="50">Fig. 15</figureCitation>
). Labrum yellow to light brown, darker basally; mandible yellow to light brown.
</paragraph>
<paragraph id="8BB636C7FFBAFFC8FF3DFD4A13A5FCDE" blockId="9.[151,1437,151,2013]" pageId="9" pageNumber="50">Thorax yellow to brown; pronotum with a pair of diffuse oblique stokes; several diffuse whitish to yellow spots on meso- and metanotum dorsally; distinct yellowish spots near forewing pads base; forewing pads yellowish to light brown, with pale smidges over whole surface; hind wing pads unicolorous, light brown, with paler smudges basally. Thoraxal pleurae and sterna paler than terga, whitish-yellow to light brown, slightly darker around sutures.</paragraph>
<paragraph id="8BB636C7FFBAFFC8FF3DFC3B15EDFC4C" blockId="9.[151,1437,151,2013]" pageId="9" pageNumber="50">
Legs whitish-yellow to yellow (
<figureCitation id="13322A42FFBAFFC8FDCCFC3A14B3FC05" box="[566,651,908,933]" captionStart="FIGURES 13–16" captionStartId="10.[151,264,1844,1867]" captionTargetBox="[151,1436,204,1813]" captionTargetId="figure@10.[151,1436,193,1823]" captionTargetPageId="10" captionText="FIGURES 13–16. Nigrobaetis rhithralis (Soldán &amp; Thomas, 1983), paratypes, male larvae: 13.—general lateral view, left side; 14.—general dorsal view; 15.—head and prothorax in lateral view, left side; 16.—abdominal terga in dorsal view. Scale lines = 1 mm [13, 14]; 0.5 mm [15, 16]." httpUri="https://zenodo.org/record/1441408/files/figure.png" pageId="9" pageNumber="50">Fig. 13</figureCitation>
). Inconspicuous diffuse yellowish spot seen centrally, and yellow to light brown band located along inner and outer margins of each of femora; tibiae and tarsi unicolorous yellow proximally and centrally, slightly darker distally; tarsal claws light brown.
</paragraph>
<paragraph id="8BB636C7FFBAFFC8FF3DFC4112D5FB64" blockId="9.[151,1437,151,2013]" pageId="9" pageNumber="50">Abdominal segments yellowish-brown to brown. Terga with poorly distinguishable pattern. Tergum I with diffuse yellowish spots centrally and laterally. Terga II–VII with a pair of pale oblique divergent strokes ending by a small pale spots centrally; diffuse pale spots seen along anterior and lateral sides of segments. Terga VIII–IX pale, with broad diffuse spot centrally; inconspicuous smudges situated anteriolaterally. Tergum X with pale spot surrounded by a brownish smudge centrally. Abdominal sterna unicolorous yellow to yellowish-white, without distinct pattern. Terminal filaments unicolorous yellow to yellowish-brown, without transversal darker band centrally.</paragraph>
<paragraph id="8BB636C7FFBAFFC8FF3DFB7912F8FA3C" blockId="9.[151,1437,151,2013]" pageId="9" pageNumber="50">
<emphasis id="B97DEAD5FFBAFFC8FF3DFB7917E4FB49" box="[199,476,1231,1256]" italics="true" pageId="9" pageNumber="50">Hypodermal colouration</emphasis>
. Head and thorax with light brown maculation dorsally and laterally. Faceted surface of larval turbinate eyes dirty yellow, light brown or dirty orange; shaft of larval turbinate eyes with more or less distinguishable two portions, i.e. upper dirty yellow to whitish-yellow and lower yellow to light brown. Legs yellow; small brownish spot seen near distal end of each femora and tibiae. Abdominal terga yellow to yellowishbrown; sterna unicolorous yellow. Ventral ganglionic chain not distinguishable. Gills whitish-yellow to dirty yellow; tracheae dirty violet; jagged margins of gills poorly visible, yellowish-brown coloured.
</paragraph>
<paragraph id="8BB636C7FFBAFFC8FF3DFA11177CF939" blockId="9.[151,1437,151,2013]" pageId="9" pageNumber="50">
<emphasis id="B97DEAD5FFBAFFC8FF3DFA11173CFA61" box="[199,260,1447,1472]" italics="true" pageId="9" pageNumber="50">Head</emphasis>
. Frontal suture nearly U-shaped (
<figureCitation id="13322A42FFBAFFC8FD7CFA1114E4FA61" box="[646,732,1447,1472]" captionStart="FIGURES 49–54" captionStartId="15.[151,264,1761,1784]" captionTargetBox="[151,1436,373,1741]" captionTargetId="figure@15.[151,1436,373,1741]" captionTargetPageId="15" captionText="FIGURES 49–54. Nigrobaetis rhithralis (Soldán &amp; Thomas, 1983), paratypes, larvae: 49.—scape and pedicel; 50.—shape of frontal suture; 51.—surface of tergum V; 52.—posterior margin and surface of tergum V; 53.—posterior margin and surface of tergum VIII; 54.—caudal filament segments. Scale lines = 10 µm [49, 51–54]; 100 µm [50]." httpUri="https://zenodo.org/record/1441418/files/figure.png" pageId="9" pageNumber="50">Fig. 50</figureCitation>
); surface of frons and clypeus covered with occasional 
<emphasis id="B97DEAD5FFBAFFC8FAA3FA1F1352FA61" box="[1369,1386,1449,1472]" italics="true" pageId="9" pageNumber="50">B</emphasis>
and 
<emphasis id="B97DEAD5FFBAFFC8FF6DFA7B168EFA45" box="[151,182,1485,1508]" italics="true" pageId="9" pageNumber="50">Hr</emphasis>
; more abundant on genae. Antennae up to 3 times longer than head (
<figureCitation id="13322A42FFBAFFC8FC4CFA7A1231FA45" box="[950,1033,1484,1509]" captionStart="FIGURES 13–16" captionStartId="10.[151,264,1844,1867]" captionTargetBox="[151,1436,204,1813]" captionTargetId="figure@10.[151,1436,193,1823]" captionTargetPageId="10" captionText="FIGURES 13–16. Nigrobaetis rhithralis (Soldán &amp; Thomas, 1983), paratypes, male larvae: 13.—general lateral view, left side; 14.—general dorsal view; 15.—head and prothorax in lateral view, left side; 16.—abdominal terga in dorsal view. Scale lines = 1 mm [13, 14]; 0.5 mm [15, 16]." httpUri="https://zenodo.org/record/1441408/files/figure.png" pageId="9" pageNumber="50">Fig. 13</figureCitation>
). Surface of flagellar segments with a few small 
<emphasis id="B97DEAD5FFBAFFC8FED2FA46174CF9A6" box="[296,372,1520,1543]" italics="true" pageId="9" pageNumber="50">SC-pet</emphasis>
and 
<emphasis id="B97DEAD5FFBAFFC8FE4BFA461433F9A6" box="[433,523,1520,1543]" italics="true" pageId="9" pageNumber="50">SCS-pet</emphasis>
(concentrated mainly near distal edge of segment), sparse 
<emphasis id="B97DEAD5FFBAFFC8FB43FA4712E0F9A9" box="[1209,1240,1521,1544]" italics="true" pageId="9" pageNumber="50">Hr</emphasis>
and 
<emphasis id="B97DEAD5FFBAFFC8FAEEFA47131DF9A9" box="[1300,1317,1521,1544]" italics="true" pageId="9" pageNumber="50">B</emphasis>
(
<figureCitation id="13322A42FFBAFFC8FAC2FA5913B5F9A9" box="[1336,1421,1519,1544]" captionStart="FIGURES 26–35" captionStartId="12.[151,264,1793,1816]" captionTargetBox="[151,1421,213,1750]" captionTargetId="figure@12.[151,1436,193,1772]" captionTargetPageId="12" captionText="FIGURES 26–35. Nigrobaetis rhithralis (Soldán &amp; Thomas, 1983), paratypes, larvae: 26.—outer margin of femur; 27.—hind leg; 28.—pretarsal claw; 29.—flagellar segments; 30–31.—shapes of jagged setae; 32–35.—petal-shaped scales. Without scale lines." httpUri="https://zenodo.org/record/1441412/files/figure.png" pageId="9" pageNumber="50">Fig. 29</figureCitation>
). Posterior margin of flagellar segments with dense row of 21–30 well separated, relatively slender, bluntly pointed apically spines of different size (cuticular lobes 
<emphasis id="B97DEAD5FFBAFFC8FD4CF98F14CCF9F1" box="[694,756,1593,1616]" italics="true" pageId="9" pageNumber="50">sensu</emphasis>
<bibRefCitation id="EF984B36FFBAFFC8FD06F9811230F9F1" box="[764,1032,1591,1616]" pageId="9" pageNumber="50" refId="ref11046" refString="Gaino, E. &amp; Rebora, M. (1999 a) Flat-tipped sensillum in Baetidae (Ephemeroptera): a microcharacter for taxonomic and phylogenetic considerations. Invertebrate Biology, 118 (1), 68 ‾ 74. https: // doi. org / 10.2307 / 3226914" type="journal article">Gaino &amp; Rebora 1999a</bibRefCitation>
: 70, figs 13a, b; 1999b), alternating with 1 or grouped by 2 
<emphasis id="B97DEAD5FFBAFFC8FE66F9EB1795F9D5" box="[412,429,1629,1652]" italics="true" pageId="9" pageNumber="50">B</emphasis>
setae. Scape and pedicel with occasional small 
<emphasis id="B97DEAD5FFBAFFC8FC39F9EB1237F9D5" box="[963,1039,1629,1652]" italics="true" pageId="9" pageNumber="50">SC-pet</emphasis>
and 
<emphasis id="B97DEAD5FFBAFFC8FBBFF9EB12A7F9D5" box="[1093,1183,1629,1652]" italics="true" pageId="9" pageNumber="50">SCS-pet</emphasis>
, and densely scattered 
<emphasis id="B97DEAD5FFBAFFC8FF6DF937168EF939" box="[151,182,1665,1688]" italics="true" pageId="9" pageNumber="50">Hr</emphasis>
and 
<emphasis id="B97DEAD5FFBAFFC8FF16F93716C5F939" box="[236,253,1665,1688]" italics="true" pageId="9" pageNumber="50">B</emphasis>
setae.
</paragraph>
<paragraph id="8BB636C7FFBAFFC8FF3DF91214DCF8A4" blockId="9.[151,1437,151,2013]" pageId="9" pageNumber="50">
<emphasis id="B97DEAD5FFBAFFC8FF3DF9121772F91C" box="[199,330,1700,1725]" italics="true" pageId="9" pageNumber="50">Mouthparts</emphasis>
. Labrum (
<figureCitation id="13322A42FFBAFFC8FE45F9121478F91D" box="[447,576,1700,1725]" captionStart="FIGURES 17–25" captionStartId="11.[151,264,1936,1959]" captionTargetBox="[189,1400,194,1922]" captionTargetId="figure@11.[180,1414,193,1925]" captionTargetPageId="11" captionText="FIGURES 17–25. Nigrobaetis rhithralis (Soldán &amp; Thomas, 1983), paratypes, larvae: 17–18.—labrum; 19.—left mandible; 20.—right mandible; 21.—glossa; 22.—paraglossa; 23–25.—shape of third segment of labial palp [23], ventral side [24], dorsal side [25]. Without scale lines." httpUri="https://zenodo.org/record/1441410/files/figure.png" pageId="9" pageNumber="50">Figs 17, 18</figureCitation>
) relatively slender, tarring distally, with width/length ratio 0.41–0.45; dorsal surface with 1+2–4 long submarginal setae, concentrated more laterally [
<emphasis id="B97DEAD5FFBAFFC8FC3DF97E1253F941" box="[967,1131,1735,1760]" italics="true" pageId="9" pageNumber="50">1+3–4 bristles</emphasis>
: orig. descr.]; outer margin with one short seta; elongated 
<emphasis id="B97DEAD5FFBAFFC8FE16F95B1433F8A5" box="[492,523,1773,1796]" italics="true" pageId="9" pageNumber="50">Hr</emphasis>
on labrum surface.
</paragraph>
<paragraph id="8BB636C7FFBAFFC8FF3DF8B912A5F889" blockId="9.[151,1437,151,2013]" box="[199,1181,1807,1833]" pageId="9" pageNumber="50">
Hypopharynx and maxillae typical for 
<taxonomicName id="4C094D44FFBAFFC8FD83F8B914C4F889" authorityName="Godunko &amp; Martynov &amp; Gattolliat" authorityYear="2018" box="[633,764,1807,1832]" class="Insecta" family="Baetidae" genus="Nigrobaetis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ephemeroptera" pageId="9" pageNumber="50" phylum="Arthropoda" rank="genus">
<emphasis id="B97DEAD5FFBAFFC8FD83F8B914C4F889" box="[633,764,1807,1832]" italics="true" pageId="9" pageNumber="50">Nigrobaetis</emphasis>
</taxonomicName>
, without any distinguishing features.
</paragraph>
<paragraph id="8BB636C7FFBAFFC8FF3DF882178CF87C" blockId="9.[151,1437,151,2013]" pageId="9" pageNumber="50">
Left mandible (
<figureCitation id="13322A42FFBAFFC8FE8FF88217FFF8ED" box="[373,455,1844,1869]" captionStart="FIGURES 17–25" captionStartId="11.[151,264,1936,1959]" captionTargetBox="[189,1400,194,1922]" captionTargetId="figure@11.[180,1414,193,1925]" captionTargetPageId="11" captionText="FIGURES 17–25. Nigrobaetis rhithralis (Soldán &amp; Thomas, 1983), paratypes, larvae: 17–18.—labrum; 19.—left mandible; 20.—right mandible; 21.—glossa; 22.—paraglossa; 23–25.—shape of third segment of labial palp [23], ventral side [24], dorsal side [25]. Without scale lines." httpUri="https://zenodo.org/record/1441410/files/figure.png" pageId="9" pageNumber="50">Fig. 19</figureCitation>
) with 7 incisors rounded apically; prostheca with 11–13 small spines (2–3 basal spines bluntly pointed, longer than other ones; 8–10 rounded and short). Right mandible (
<figureCitation id="13322A42FFBAFFC8FBCEF8E112BEF8D1" box="[1076,1158,1879,1904]" captionStart="FIGURES 17–25" captionStartId="11.[151,264,1936,1959]" captionTargetBox="[189,1400,194,1922]" captionTargetId="figure@11.[180,1414,193,1925]" captionTargetPageId="11" captionText="FIGURES 17–25. Nigrobaetis rhithralis (Soldán &amp; Thomas, 1983), paratypes, larvae: 17–18.—labrum; 19.—left mandible; 20.—right mandible; 21.—glossa; 22.—paraglossa; 23–25.—shape of third segment of labial palp [23], ventral side [24], dorsal side [25]. Without scale lines." httpUri="https://zenodo.org/record/1441410/files/figure.png" pageId="9" pageNumber="50">Fig. 20</figureCitation>
) with 8 incisors rounded apically; prostheca slender, not distinctly extended apically, with numerous pointed setae. Both mandibles with slim pointed scales between prostheca and mola (see 
<tableCitation id="C68B037CFFBAFFC8FCEAF816155EF819" box="[784,870,1952,1977]" captionStart="TABLE 1" captionStartId="23.[147,220,548,567]" captionText="TABLE 1. Morphological characters to distinguishing of Nigrobaetis rhithralis (Soldán &amp; Thomas, 1983) (Figs 1–9, 10A–B, 11–60) from N. digitatus (Bengtsson, 1912) (Figs 10C, 61–81). Distinct differential characters are marked in grey." pageId="9" pageNumber="50">Table 1</tableCitation>
); 17–24 fine setae between prostheca and basal incisor of right mandible.
</paragraph>
<caption id="DF76664FFFB9FFCBFF6DF88217E7F829" httpUri="https://zenodo.org/record/1441408/files/figure.png" pageId="10" pageNumber="51" startId="10.[151,264,1844,1867]" targetBox="[151,1436,204,1813]" targetPageId="10">
<paragraph id="8BB636C7FFB9FFCBFF6DF88217E7F829" blockId="10.[151,1436,1844,1928]" pageId="10" pageNumber="51">
<emphasis id="B97DEAD5FFB9FFCBFF6DF882176BF8EB" bold="true" box="[151,339,1844,1867]" pageId="10" pageNumber="51">FIGURES 13–16.</emphasis>
<taxonomicName id="4C094D44FFB9FFCBFEA2F882157BF8EB" authority="(Soldan &amp; Thomas, 1983)" authorityName="Soldan &amp; Thomas" authorityYear="1983" baseAuthorityName="Soldan &amp; Thomas" baseAuthorityYear="1983" box="[344,835,1844,1866]" class="Insecta" family="Baetidae" genus="Nigrobaetis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ephemeroptera" pageId="10" pageNumber="51" phylum="Arthropoda" rank="species" species="rhithralis">
<emphasis id="B97DEAD5FFB9FFCBFEA2F882140CF8EB" box="[344,564,1844,1866]" italics="true" pageId="10" pageNumber="51">Nigrobaetis rhithralis</emphasis>
(Soldán &amp; Thomas, 1983)
</taxonomicName>
, paratypes, male larvae: 13.—general lateral view, left side; 14.—general dorsal view; 15.—head and prothorax in lateral view, left side; 16.—abdominal terga in dorsal view. Scale lines = 1 mm [13, 14]; 0.5 mm [15, 16].
</paragraph>
</caption>
<caption id="DF76664FFFB8FFCAFF6DF8261431F845" httpUri="https://zenodo.org/record/1441410/files/figure.png" pageId="11" pageNumber="52" startId="11.[151,264,1936,1959]" targetBox="[189,1400,194,1922]" targetPageId="11">
<paragraph id="8BB636C7FFB8FFCAFF6DF8261431F845" blockId="11.[151,1436,1936,2020]" pageId="11" pageNumber="52">
<emphasis id="B97DEAD5FFB8FFCAFF6DF826176DF807" bold="true" box="[151,341,1936,1959]" pageId="11" pageNumber="52">FIGURES 17–25.</emphasis>
<taxonomicName id="4C094D44FFB8FFCAFEA7F827156DF806" authority="(Soldan &amp; Thomas, 1983)" authorityName="Soldan &amp; Thomas" authorityYear="1983" baseAuthorityName="Soldan &amp; Thomas" baseAuthorityYear="1983" box="[349,853,1937,1959]" class="Insecta" family="Baetidae" genus="Nigrobaetis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ephemeroptera" pageId="11" pageNumber="52" phylum="Arthropoda" rank="species" species="rhithralis">
<emphasis id="B97DEAD5FFB8FFCAFEA7F8271403F806" box="[349,571,1937,1959]" italics="true" pageId="11" pageNumber="52">Nigrobaetis rhithralis</emphasis>
(Soldán &amp; Thomas, 1983)
</taxonomicName>
, paratypes, larvae: 17–18.—labrum; 19.—left mandible; 20.—right mandible; 21.—glossa; 22.—paraglossa; 23–25.—shape of third segment of labial palp [23], ventral side [24], dorsal side [25]. Without scale lines.
</paragraph>
</caption>
<caption id="DF76664FFFBFFFCDFF6DF8B716F6F8F4" httpUri="https://zenodo.org/record/1441412/files/figure.png" pageId="12" pageNumber="53" startId="12.[151,264,1793,1816]" targetBox="[151,1421,213,1750]" targetPageId="12">
<paragraph id="8BB636C7FFBFFFCDFF6DF8B716F6F8F4" blockId="12.[151,1436,1793,1877]" pageId="12" pageNumber="53">
<emphasis id="B97DEAD5FFBFFFCDFF6DF8B7176CF8B6" bold="true" box="[151,340,1793,1816]" pageId="12" pageNumber="53">FIGURES 26–35.</emphasis>
<taxonomicName id="4C094D44FFBFFFCDFEA0F8B41572F8B9" authority="(Soldan &amp; Thomas, 1983)" authorityName="Soldan &amp; Thomas" authorityYear="1983" baseAuthorityName="Soldan &amp; Thomas" baseAuthorityYear="1983" box="[346,842,1794,1816]" class="Insecta" family="Baetidae" genus="Nigrobaetis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ephemeroptera" pageId="12" pageNumber="53" phylum="Arthropoda" rank="species" species="rhithralis">
<emphasis id="B97DEAD5FFBFFFCDFEA0F8B4140EF8B9" box="[346,566,1794,1816]" italics="true" pageId="12" pageNumber="53">Nigrobaetis rhithralis</emphasis>
(Soldán &amp; Thomas, 1983)
</taxonomicName>
, paratypes, larvae: 26.—outer margin of femur; 27.—hind leg; 28.—pretarsal claw; 29.—flagellar segments; 30–31.—shapes of jagged setae; 32–35.—petal-shaped scales. Without scale lines.
</paragraph>
</caption>
<paragraph id="8BB636C7FFBFFFCDFF3DF81313A5F81F" blockId="12.[151,1437,1957,2018]" box="[199,1437,1957,1982]" pageId="12" pageNumber="53">
Labium with glossae shorter than paraglossae. Glossae conical (
<figureCitation id="13322A42FFBFFFCDFC6CF81315D1F81F" box="[918,1001,1957,1982]" captionStart="FIGURES 17–25" captionStartId="11.[151,264,1936,1959]" captionTargetBox="[189,1400,194,1922]" captionTargetId="figure@11.[180,1414,193,1925]" captionTargetPageId="11" captionText="FIGURES 17–25. Nigrobaetis rhithralis (Soldán &amp; Thomas, 1983), paratypes, larvae: 17–18.—labrum; 19.—left mandible; 20.—right mandible; 21.—glossa; 22.—paraglossa; 23–25.—shape of third segment of labial palp [23], ventral side [24], dorsal side [25]. Without scale lines." httpUri="https://zenodo.org/record/1441410/files/figure.png" pageId="12" pageNumber="53">Fig. 21</figureCitation>
), relatively wide, slightly curved, with
</paragraph>
<paragraph id="8BB636C7FFBFFFCCFF6DF87C1402FF74" blockId="12.[151,1437,1957,2018]" lastBlockId="13.[151,1437,151,824]" lastPageId="13" lastPageNumber="54" pageId="12" pageNumber="53">
10–11 stout bristles along inner margin; 9–10 stout bristles on outer margin; surface covered with sparse 
<emphasis id="B97DEAD5FFBFFFCDFABEF87D136DF843" box="[1348,1365,1995,2018]" italics="true" pageId="12" pageNumber="53">B</emphasis>
, short and long 
<emphasis id="B97DEAD5FFBEFFCCFEF9FF2F171AFF11" box="[259,290,153,176]" italics="true" pageId="13" pageNumber="54">Hr</emphasis>
setae. Paraglossae (
<figureCitation id="13322A42FFBEFFCCFDF2FF211463FF11" box="[520,603,151,176]" captionStart="FIGURES 17–25" captionStartId="11.[151,264,1936,1959]" captionTargetBox="[189,1400,194,1922]" captionTargetId="figure@11.[180,1414,193,1925]" captionTargetPageId="11" captionText="FIGURES 17–25. Nigrobaetis rhithralis (Soldán &amp; Thomas, 1983), paratypes, larvae: 17–18.—labrum; 19.—left mandible; 20.—right mandible; 21.—glossa; 22.—paraglossa; 23–25.—shape of third segment of labial palp [23], ventral side [24], dorsal side [25]. Without scale lines." httpUri="https://zenodo.org/record/1441410/files/figure.png" pageId="13" pageNumber="54">Fig. 22</figureCitation>
) with two irregular rows of stout bristles apically on dorsal surface; 4–5 medium bristles in one row ventrally.
</paragraph>
<paragraph id="8BB636C7FFBEFFCCFF3DFF691228FEE1" blockId="13.[151,1437,151,824]" pageId="13" pageNumber="54">
Shape of labial palp segments II–III as in 
<figureCitation id="13322A42FFBEFFCCFD42FF691505FF59" box="[696,829,223,248]" captionStart="FIGURES 17–25" captionStartId="11.[151,264,1936,1959]" captionTargetBox="[189,1400,194,1922]" captionTargetId="figure@11.[180,1414,193,1925]" captionTargetPageId="11" captionText="FIGURES 17–25. Nigrobaetis rhithralis (Soldán &amp; Thomas, 1983), paratypes, larvae: 17–18.—labrum; 19.—left mandible; 20.—right mandible; 21.—glossa; 22.—paraglossa; 23–25.—shape of third segment of labial palp [23], ventral side [24], dorsal side [25]. Without scale lines." httpUri="https://zenodo.org/record/1441410/files/figure.png" pageId="13" pageNumber="54">Figs 23–25</figureCitation>
; segment II with small, nearly rounded apicomedial projection, slightly expanded laterally; dorsal surface of segment II with row of 5–6 long setae centrally; segment III asymmetrical, covered with sparse stout setae and 
<emphasis id="B97DEAD5FFBEFFCCFD0AFE9F1537FEE1" box="[752,783,297,320]" italics="true" pageId="13" pageNumber="54">Hr</emphasis>
dorsally and ventrally.
</paragraph>
<paragraph id="8BB636C7FFBEFFCCFF3DFEFA1220FEC5" blockId="13.[151,1437,151,824]" box="[199,1048,332,357]" pageId="13" pageNumber="54">
<emphasis id="B97DEAD5FFBEFFCCFF3DFEFA1720FEC4" box="[199,280,332,357]" italics="true" pageId="13" pageNumber="54">Thorax</emphasis>
. Surface of thorax covered with short 
<emphasis id="B97DEAD5FFBEFFCCFD3CFEFB14DCFEC5" box="[710,740,333,356]" italics="true" pageId="13" pageNumber="54">Hr</emphasis>
, occasional 
<emphasis id="B97DEAD5FFBEFFCCFC95FEFB15B8FEC5" box="[879,896,333,356]" italics="true" pageId="13" pageNumber="54">B</emphasis>
and 
<emphasis id="B97DEAD5FFBEFFCCFC4DFEFB1229FEC5" box="[951,1041,333,356]" italics="true" pageId="13" pageNumber="54">SCS-pet</emphasis>
.
</paragraph>
<paragraph id="8BB636C7FFBEFFCCFF3DFED91263FC99" blockId="13.[151,1437,151,824]" pageId="13" pageNumber="54">
<emphasis id="B97DEAD5FFBEFFCCFF3DFED91712FE29" box="[199,298,367,392]" italics="true" pageId="13" pageNumber="54">Forelegs</emphasis>
. Irregular sparse row of 9–12 finely jagged 
<emphasis id="B97DEAD5FFBEFFCCFCD4FED91592FE29" box="[814,938,367,392]" italics="true" pageId="13" pageNumber="54">DS-STS-bp</emphasis>
and occasional 
<emphasis id="B97DEAD5FFBEFFCCFB9CFEC612ECFE26" box="[1126,1236,368,391]" italics="true" pageId="13" pageNumber="54">DS-STS-p</emphasis>
seen along outer margin of each of femora dorsally (
<figureCitation id="13322A42FFBEFFCCFDD2FE221492FE0D" box="[552,682,404,429]" captionStart="FIGURES 26–35" captionStartId="12.[151,264,1793,1816]" captionTargetBox="[151,1421,213,1750]" captionTargetId="figure@12.[151,1436,193,1772]" captionTargetPageId="12" captionText="FIGURES 26–35. Nigrobaetis rhithralis (Soldán &amp; Thomas, 1983), paratypes, larvae: 26.—outer margin of femur; 27.—hind leg; 28.—pretarsal claw; 29.—flagellar segments; 30–31.—shapes of jagged setae; 32–35.—petal-shaped scales. Without scale lines." httpUri="https://zenodo.org/record/1441412/files/figure.png" pageId="13" pageNumber="54">Figs 26, 27</figureCitation>
, 
<figureCitation id="13322A42FFBEFFCCFD4DFE2214EEFE0D" box="[695,726,404,428]" captionStart="FIGURES 36–39" captionStartId="13.[151,264,1696,1719]" captionTargetBox="[151,1436,877,1674]" captionTargetId="figure@13.[151,1436,877,1676]" captionTargetPageId="13" captionText="FIGURES 36–39. Nigrobaetis rhithralis (Soldán &amp; Thomas, 1983), paratype, larva: 36, 38.—outer margin of femur; 37.— inner margin of femur; 39.—tarsal claw. Scale line = 10 µm." httpUri="https://zenodo.org/record/1441414/files/figure.png" pageId="13" pageNumber="54">38</figureCitation>
), alternating with 
<emphasis id="B97DEAD5FFBEFFCCFC5EFE2315FBFE0D" box="[932,963,405,428]" italics="true" pageId="13" pageNumber="54">Hr</emphasis>
; outer margin with group of 2 (rarer 3–4) such setae on distal edge; submarginal field with sparse 
<emphasis id="B97DEAD5FFBEFFCCFCECFE0F150CFE71" box="[790,820,441,464]" italics="true" pageId="13" pageNumber="54">Hr</emphasis>
, most abundant 
<emphasis id="B97DEAD5FFBEFFCCFC0AFE0E1272FE6E" box="[1008,1098,440,463]" italics="true" pageId="13" pageNumber="54">SCS-pet</emphasis>
, and only a few small 
<emphasis id="B97DEAD5FFBEFFCCFAAAFE0E13A4FE6E" box="[1360,1436,440,463]" italics="true" pageId="13" pageNumber="54">SC-pet</emphasis>
and 
<emphasis id="B97DEAD5FFBEFFCCFF3DFE6B16E0FE55" box="[199,216,477,500]" italics="true" pageId="13" pageNumber="54">B</emphasis>
setae. Dorsal surface of femora with similar 
<typeStatus id="54B28865FFBEFFCCFD23FE6B152CFE54" box="[729,788,477,501]" pageId="13" pageNumber="54">types</typeStatus>
of setae (
<figureCitation id="13322A42FFBEFFCCFC7EFE6A15DAFE54" box="[900,994,476,501]" captionStart="FIGURES 26–35" captionStartId="12.[151,264,1793,1816]" captionTargetBox="[151,1421,213,1750]" captionTargetId="figure@12.[151,1436,193,1772]" captionTargetPageId="12" captionText="FIGURES 26–35. Nigrobaetis rhithralis (Soldán &amp; Thomas, 1983), paratypes, larvae: 26.—outer margin of femur; 27.—hind leg; 28.—pretarsal claw; 29.—flagellar segments; 30–31.—shapes of jagged setae; 32–35.—petal-shaped scales. Without scale lines." httpUri="https://zenodo.org/record/1441412/files/figure.png" pageId="13" pageNumber="54">Figs. 26</figureCitation>
, 
<figureCitation id="13322A42FFBEFFCCFC15FE6A1236FE54" box="[1007,1038,476,501]" captionStart="FIGURES 36–39" captionStartId="13.[151,264,1696,1719]" captionTargetBox="[151,1436,877,1674]" captionTargetId="figure@13.[151,1436,877,1676]" captionTargetPageId="13" captionText="FIGURES 36–39. Nigrobaetis rhithralis (Soldán &amp; Thomas, 1983), paratype, larva: 36, 38.—outer margin of femur; 37.— inner margin of femur; 39.—tarsal claw. Scale line = 10 µm." httpUri="https://zenodo.org/record/1441414/files/figure.png" pageId="13" pageNumber="54">36</figureCitation>
); numerous 
<emphasis id="B97DEAD5FFBEFFCCFB61FE6B12DFFE55" box="[1179,1255,477,500]" italics="true" pageId="13" pageNumber="54">SC-pet</emphasis>
(dominant) and their bases can be concentrated along lateral margins and centrally (as a relatively distinct strip), or nearly evenly and densely scattered over whole surface. Inner margin and submarginal field of femora with 20–28 clearly jagged margins, small and middle 
<emphasis id="B97DEAD5FFBEFFCCFE31FDFE1401FDFE" box="[459,569,584,607]" italics="true" pageId="13" pageNumber="54">DS-STS-p</emphasis>
and 
<emphasis id="B97DEAD5FFBEFFCCFD88FDF114AFFDC1" box="[626,663,583,608]" italics="true" pageId="13" pageNumber="54">-bp</emphasis>
(
<figureCitation id="13322A42FFBEFFCCFD52FDF114C5FDC1" box="[680,765,583,608]" captionStart="FIGURES 36–39" captionStartId="13.[151,264,1696,1719]" captionTargetBox="[151,1436,877,1674]" captionTargetId="figure@13.[151,1436,877,1676]" captionTargetPageId="13" captionText="FIGURES 36–39. Nigrobaetis rhithralis (Soldán &amp; Thomas, 1983), paratype, larva: 36, 38.—outer margin of femur; 37.— inner margin of femur; 39.—tarsal claw. Scale line = 10 µm." httpUri="https://zenodo.org/record/1441414/files/figure.png" pageId="13" pageNumber="54">Fig. 37</figureCitation>
). Outer margin of tibia generally with 0–7(8) finely jagged margins, middle and elongated 
<emphasis id="B97DEAD5FFBEFFCCFE03FDDB1450FD25" box="[505,616,621,644]" italics="true" pageId="13" pageNumber="54">DS-STS-p</emphasis>
(
<figureCitation id="13322A42FFBEFFCCFD82FDDA14F5FD25" box="[632,717,620,645]" captionStart="FIGURES 26–35" captionStartId="12.[151,264,1793,1816]" captionTargetBox="[151,1421,213,1750]" captionTargetId="figure@12.[151,1436,193,1772]" captionTargetPageId="12" captionText="FIGURES 26–35. Nigrobaetis rhithralis (Soldán &amp; Thomas, 1983), paratypes, larvae: 26.—outer margin of femur; 27.—hind leg; 28.—pretarsal claw; 29.—flagellar segments; 30–31.—shapes of jagged setae; 32–35.—petal-shaped scales. Without scale lines." httpUri="https://zenodo.org/record/1441412/files/figure.png" pageId="13" pageNumber="54">Fig. 27</figureCitation>
); inner margin and submarginal field with 22–26 clearly jagged on margins setae of same 
<typeStatus id="54B28865FFBEFFCCFE43FD2617D1FD09" box="[441,489,656,680]" pageId="13" pageNumber="54">type</typeStatus>
and 
<emphasis id="B97DEAD5FFBEFFCCFDDAFD271406FD09" box="[544,574,657,680]" italics="true" pageId="13" pageNumber="54">Hr</emphasis>
, and with groups of 2–3 
<emphasis id="B97DEAD5FFBEFFCCFCA2FD271551FD09" box="[856,873,657,680]" italics="true" pageId="13" pageNumber="54">B</emphasis>
setae. Surface of tibia with 
<emphasis id="B97DEAD5FFBEFFCCFB59FD2712FAFD09" box="[1187,1218,657,680]" italics="true" pageId="13" pageNumber="54">Hr</emphasis>
of different length, a few small 
<emphasis id="B97DEAD5FFBEFFCCFEDBFD0217A5FD6C" box="[289,413,692,717]" italics="true" pageId="13" pageNumber="54">DS-STS-bp</emphasis>
and 
<emphasis id="B97DEAD5FFBEFFCCFE2FFD0317DEFD6D" box="[469,486,693,716]" italics="true" pageId="13" pageNumber="54">B</emphasis>
, and dominant 
<emphasis id="B97DEAD5FFBEFFCCFD6CFD0314C8FD6D" box="[662,752,693,716]" italics="true" pageId="13" pageNumber="54">SCS-pet</emphasis>
. Outer margin of tarsi covered with sparse 
<emphasis id="B97DEAD5FFBEFFCCFB21FD0312C2FD6D" box="[1243,1274,693,716]" italics="true" pageId="13" pageNumber="54">Hr</emphasis>
; inner surface with 14–25 clearly jagged middle 
<emphasis id="B97DEAD5FFBEFFCCFDEDFD6E14BDFD4E" box="[535,645,728,751]" italics="true" pageId="13" pageNumber="54">DS-STS-p</emphasis>
and - 
<emphasis id="B97DEAD5FFBEFFCCFD3FFD6114D9FD51" box="[709,737,727,752]" italics="true" pageId="13" pageNumber="54">bp</emphasis>
, alternating with 1 or grouped by 2–3 
<emphasis id="B97DEAD5FFBEFFCCFB68FD6F129BFD51" box="[1170,1187,729,752]" italics="true" pageId="13" pageNumber="54">B</emphasis>
setae. Surface of tarsi with occasional small 
<emphasis id="B97DEAD5FFBEFFCCFE60FD4B17DEFCB5" box="[410,486,765,788]" italics="true" pageId="13" pageNumber="54">SC-pet</emphasis>
, and more abundant 
<emphasis id="B97DEAD5FFBEFFCCFD24FD4B14C5FCB5" box="[734,765,765,788]" italics="true" pageId="13" pageNumber="54">Hr</emphasis>
and 
<emphasis id="B97DEAD5FFBEFFCCFCC0FD4B15ACFCB5" box="[826,916,765,788]" italics="true" pageId="13" pageNumber="54">SCS-pet</emphasis>
(
<figureCitation id="13322A42FFBEFFCCFC5DFD4A15C6FCB5" box="[935,1022,764,789]" captionStart="FIGURES 26–35" captionStartId="12.[151,264,1793,1816]" captionTargetBox="[151,1421,213,1750]" captionTargetId="figure@12.[151,1436,193,1772]" captionTargetPageId="12" captionText="FIGURES 26–35. Nigrobaetis rhithralis (Soldán &amp; Thomas, 1983), paratypes, larvae: 26.—outer margin of femur; 27.—hind leg; 28.—pretarsal claw; 29.—flagellar segments; 30–31.—shapes of jagged setae; 32–35.—petal-shaped scales. Without scale lines." httpUri="https://zenodo.org/record/1441412/files/figure.png" pageId="13" pageNumber="54">Fig. 27</figureCitation>
). Tarsal claw elongated, tip slightly hooked and narrow; 12–16 teeth increasing in length towards claw apex (
<figureCitation id="13322A42FFBEFFCCFC31FCA9121AFC99" box="[971,1058,799,824]" captionStart="FIGURES 26–35" captionStartId="12.[151,264,1793,1816]" captionTargetBox="[151,1421,213,1750]" captionTargetId="figure@12.[151,1436,193,1772]" captionTargetPageId="12" captionText="FIGURES 26–35. Nigrobaetis rhithralis (Soldán &amp; Thomas, 1983), paratypes, larvae: 26.—outer margin of femur; 27.—hind leg; 28.—pretarsal claw; 29.—flagellar segments; 30–31.—shapes of jagged setae; 32–35.—petal-shaped scales. Without scale lines." httpUri="https://zenodo.org/record/1441412/files/figure.png" pageId="13" pageNumber="54">Figs 28</figureCitation>
, 
<figureCitation id="13322A42FFBEFFCCFBD4FC961276FC99" box="[1070,1102,800,824]" captionStart="FIGURES 36–39" captionStartId="13.[151,264,1696,1719]" captionTargetBox="[151,1436,877,1674]" captionTargetId="figure@13.[151,1436,877,1676]" captionTargetPageId="13" captionText="FIGURES 36–39. Nigrobaetis rhithralis (Soldán &amp; Thomas, 1983), paratype, larva: 36, 38.—outer margin of femur; 37.— inner margin of femur; 39.—tarsal claw. Scale line = 10 µm." httpUri="https://zenodo.org/record/1441414/files/figure.png" pageId="13" pageNumber="54">39</figureCitation>
).
</paragraph>
<caption id="DF76664FFFBEFFCCFF6DF91614C4F977" httpUri="https://zenodo.org/record/1441414/files/figure.png" pageId="13" pageNumber="54" startId="13.[151,264,1696,1719]" targetBox="[151,1436,877,1674]" targetPageId="13">
<paragraph id="8BB636C7FFBEFFCCFF6DF91614C4F977" blockId="13.[151,1435,1696,1750]" pageId="13" pageNumber="54">
<emphasis id="B97DEAD5FFBEFFCCFF6DF916176EF917" bold="true" box="[151,342,1696,1719]" pageId="13" pageNumber="54">FIGURES 36–39.</emphasis>
<taxonomicName id="4C094D44FFBEFFCCFEA4F917156FF916" authority="(Soldan &amp; Thomas, 1983)" authorityName="Soldan &amp; Thomas" authorityYear="1983" baseAuthorityName="Soldan &amp; Thomas" baseAuthorityYear="1983" box="[350,855,1697,1719]" class="Insecta" family="Baetidae" genus="Nigrobaetis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ephemeroptera" pageId="13" pageNumber="54" phylum="Arthropoda" rank="species" species="rhithralis">
<emphasis id="B97DEAD5FFBEFFCCFEA4F9171404F916" box="[350,572,1697,1719]" italics="true" pageId="13" pageNumber="54">Nigrobaetis rhithralis</emphasis>
(Soldán &amp; Thomas, 1983)
</taxonomicName>
, paratype, larva: 36, 38.—outer margin of femur; 37.— inner margin of femur; 39.—tarsal claw. Scale line = 10 µm.
</paragraph>
</caption>
<paragraph id="8BB636C7FFBEFFCFFF3DF8901726FF56" blockId="13.[151,1436,1830,2035]" lastBlockId="14.[151,1436,151,464]" lastPageId="14" lastPageNumber="55" pageId="13" pageNumber="54">
<emphasis id="B97DEAD5FFBEFFCCFF3DF8901709F89E" box="[199,305,1830,1855]" italics="true" pageId="13" pageNumber="54">Abdomen</emphasis>
. Posterior margin of tergum I with short stout spines of different size concentrated centrally, alternating with 
<emphasis id="B97DEAD5FFBEFFCCFEADF8FA1750F8C2" box="[343,360,1868,1891]" italics="true" pageId="13" pageNumber="54">B</emphasis>
and long 
<emphasis id="B97DEAD5FFBEFFCCFE1FF8FA143CF8C2" box="[485,516,1868,1891]" italics="true" pageId="13" pageNumber="54">Hr</emphasis>
; terga II–III(VI) with a row of shortening spines approximately of same size, alternating with 
<emphasis id="B97DEAD5FFBEFFCCFEAAF8D91759F827" box="[336,353,1903,1926]" italics="true" pageId="13" pageNumber="54">B</emphasis>
and long 
<emphasis id="B97DEAD5FFBEFFCCFE29F8D917CAF827" box="[467,498,1903,1926]" italics="true" pageId="13" pageNumber="54">Hr</emphasis>
(
<figureCitation id="13322A42FFBEFFCCFDF8F8D814BEF826" box="[514,646,1902,1927]" captionStart="FIGURES 55–60" captionStartId="16.[151,264,1963,1986]" captionTargetBox="[193,1395,200,1923]" captionTargetId="figure@16.[189,1398,193,1942]" captionTargetPageId="16" captionText="FIGURES 55–60. Nigrobaetis rhithralis (Soldán &amp; Thomas, 1983), paratypes, larvae, abdominal terga: 55.—II; 56.—IV; 57.—VI; 58.—VIII; 59.—X; 60—paraproct. Without scale lines; roman numbers indicate respective abdominal segments." httpUri="https://zenodo.org/record/1441420/files/figure.png" pageId="13" pageNumber="54">Figs 55, 56</figureCitation>
); terga V–X with elongated stout spines, 
<emphasis id="B97DEAD5FFBEFFCCFBA0F8D91253F827" box="[1114,1131,1903,1926]" italics="true" pageId="13" pageNumber="54">B</emphasis>
and long 
<emphasis id="B97DEAD5FFBEFFCCFB27F8D912C4F827" box="[1245,1276,1903,1926]" italics="true" pageId="13" pageNumber="54">Hr</emphasis>
(
<figureCitation id="13322A42FFBEFFCCFAF6F8D813A9F826" box="[1292,1425,1902,1927]" captionStart="FIGURES 55–60" captionStartId="16.[151,264,1963,1986]" captionTargetBox="[193,1395,200,1923]" captionTargetId="figure@16.[189,1398,193,1942]" captionTargetPageId="16" captionText="FIGURES 55–60. Nigrobaetis rhithralis (Soldán &amp; Thomas, 1983), paratypes, larvae, abdominal terga: 55.—II; 56.—IV; 57.—VI; 58.—VIII; 59.—X; 60—paraproct. Without scale lines; roman numbers indicate respective abdominal segments." httpUri="https://zenodo.org/record/1441420/files/figure.png" pageId="13" pageNumber="54">Figs 57–59</figureCitation>
). Marginal spines with wide basis, sharply pointed apically, slightly asymmetrical, their lateral sides irregularly concave. Surface of terga with numerous 
<emphasis id="B97DEAD5FFBEFFCCFD9CF801148AF86F" box="[614,690,1975,1998]" italics="true" pageId="13" pageNumber="54">SC-pet</emphasis>
(dominant), less abundant 
<emphasis id="B97DEAD5FFBEFFCCFC1BF8011203F86F" box="[993,1083,1975,1998]" italics="true" pageId="13" pageNumber="54">SCS-pet</emphasis>
, long 
<emphasis id="B97DEAD5FFBEFFCCFB78F8011298F86F" box="[1154,1184,1975,1998]" italics="true" pageId="13" pageNumber="54">Hr</emphasis>
, 
<emphasis id="B97DEAD5FFBEFFCCFB57F8011286F86F" box="[1197,1214,1975,1998]" italics="true" pageId="13" pageNumber="54">B</emphasis>
, 
<emphasis id="B97DEAD5FFBEFFCCFB36F801131EF86F" box="[1228,1318,1975,1998]" italics="true" pageId="13" pageNumber="54">STSs-ov</emphasis>
and 
<emphasis id="B97DEAD5FFBEFFCCFAA6F8011688F852" italics="true" pageId="13" pageNumber="54">STSssp</emphasis>
(
<figureCitation id="13322A42FFBEFFCCFF45F86C1707F852" box="[191,319,2010,2035]" captionStart="FIGURES 49–54" captionStartId="15.[151,264,1761,1784]" captionTargetBox="[151,1436,373,1741]" captionTargetId="figure@15.[151,1436,373,1741]" captionTargetPageId="15" captionText="FIGURES 49–54. Nigrobaetis rhithralis (Soldán &amp; Thomas, 1983), paratypes, larvae: 49.—scape and pedicel; 50.—shape of frontal suture; 51.—surface of tergum V; 52.—posterior margin and surface of tergum V; 53.—posterior margin and surface of tergum VIII; 54.—caudal filament segments. Scale lines = 10 µm [49, 51–54]; 100 µm [50]." httpUri="https://zenodo.org/record/1441418/files/figure.png" pageId="13" pageNumber="54">Figs 51, 52</figureCitation>
, 
<figureCitation id="13322A42FFBEFFCCFEB1F86C17AEF852" box="[331,406,2010,2035]" captionStart="FIGURES 55–60" captionStartId="16.[151,264,1963,1986]" captionTargetBox="[193,1395,200,1923]" captionTargetId="figure@16.[189,1398,193,1942]" captionTargetPageId="16" captionText="FIGURES 55–60. Nigrobaetis rhithralis (Soldán &amp; Thomas, 1983), paratypes, larvae, abdominal terga: 55.—II; 56.—IV; 57.—VI; 58.—VIII; 59.—X; 60—paraproct. Without scale lines; roman numbers indicate respective abdominal segments." httpUri="https://zenodo.org/record/1441420/files/figure.png" pageId="13" pageNumber="54">55–59</figureCitation>
); occasionally, high concentration of 
<emphasis id="B97DEAD5FFBEFFCCFCC2F86D15AAF853" box="[824,914,2011,2034]" italics="true" pageId="13" pageNumber="54">SCS-pet</emphasis>
on segments surface. Ventral ganglionic chain not visible. Posterior margin of sterna with elongated, slender spines, pointed or bluntly pointed apically, and a few 
<emphasis id="B97DEAD5FFBDFFCFFF6DFF0B168EFF75" box="[151,182,189,212]" italics="true" pageId="14" pageNumber="55">Hr</emphasis>
and 
<emphasis id="B97DEAD5FFBDFFCFFF14FF0B16C7FF75" box="[238,255,189,212]" italics="true" pageId="14" pageNumber="55">B</emphasis>
setae. Surface of sterna with dominant 
<emphasis id="B97DEAD5FFBDFFCFFD38FF0B1524FF75" box="[706,796,189,212]" italics="true" pageId="14" pageNumber="55">SCS-pet</emphasis>
, sparse 
<emphasis id="B97DEAD5FFBDFFCFFC83FF0B15FDFF75" box="[889,965,189,212]" italics="true" pageId="14" pageNumber="55">SC-pet</emphasis>
(concentrated near segment margins), 
<emphasis id="B97DEAD5FFBDFFCFFA87FF0B13A4FF75" box="[1405,1436,189,212]" italics="true" pageId="14" pageNumber="55">Hr</emphasis>
and 
<emphasis id="B97DEAD5FFBDFFCFFF3CFF5716EFFF59" box="[198,215,225,248]" italics="true" pageId="14" pageNumber="55">B</emphasis>
setae.
</paragraph>
<paragraph id="8BB636C7FFBDFFCFFF3DFEB2149DFE71" blockId="14.[151,1436,151,464]" pageId="14" pageNumber="55">
Gill I absent. Gills II–VI asymmetric with blunt or bluntly pointed tip (
<figureCitation id="13322A42FFBDFFCFFC1CFEB21252FEBD" box="[998,1130,260,285]" captionStart="FIGURES 40–48" captionStartId="14.[151,264,1588,1611]" captionTargetBox="[155,1396,530,1543]" captionTargetId="figure@14.[151,1436,517,1567]" captionTargetPageId="14" captionText="FIGURES 40–48. Nigrobaetis rhithralis (Soldán &amp; Thomas, 1983), paratypes, larvae: 40–41.—shape variation of gills II; 42.—gill III; 43.—gill IV; 44.—gill V; 45.—gill VI; 46–48.—shape variation of gills VII. Without scale lines; roman numbers indicate respective abdominal segments." httpUri="https://zenodo.org/record/1441416/files/figure.png" pageId="14" pageNumber="55">Figs 40–48</figureCitation>
); length/width ratio of gills II, IV and VI as in 
<tableCitation id="C68B037CFFBDFFCFFE97FE9117F9FEE1" box="[365,449,295,320]" captionStart="TABLE 1" captionStartId="23.[147,220,548,567]" captionText="TABLE 1. Morphological characters to distinguishing of Nigrobaetis rhithralis (Soldán &amp; Thomas, 1983) (Figs 1–9, 10A–B, 11–60) from N. digitatus (Bengtsson, 1912) (Figs 10C, 61–81). Distinct differential characters are marked in grey." pageId="14" pageNumber="55">Table 1</tableCitation>
. Gill VII slenderer with slightly concave inner margin near apex, or leaf-shaped (nearly symmetric), pointed or bluntly pointed at the tip, 3.36–3.67 times longer than broad (
<figureCitation id="13322A42FFBDFFCFFBA2FEFA12E4FEC4" box="[1112,1244,332,357]" captionStart="FIGURES 40–48" captionStartId="14.[151,264,1588,1611]" captionTargetBox="[155,1396,530,1543]" captionTargetId="figure@14.[151,1436,517,1567]" captionTargetPageId="14" captionText="FIGURES 40–48. Nigrobaetis rhithralis (Soldán &amp; Thomas, 1983), paratypes, larvae: 40–41.—shape variation of gills II; 42.—gill III; 43.—gill IV; 44.—gill V; 45.—gill VI; 46–48.—shape variation of gills VII. Without scale lines; roman numbers indicate respective abdominal segments." httpUri="https://zenodo.org/record/1441416/files/figure.png" pageId="14" pageNumber="55">Figs 46–48</figureCitation>
). Surface of gills covered with small 
<emphasis id="B97DEAD5FFBDFFCFFE8FFEC617F9FE26" box="[373,449,368,391]" italics="true" pageId="14" pageNumber="55">SC-pet</emphasis>
, occasional 
<emphasis id="B97DEAD5FFBDFFCFFDB4FEC61490FE26" box="[590,680,368,391]" italics="true" pageId="14" pageNumber="55">SCS-pet</emphasis>
and 
<emphasis id="B97DEAD5FFBDFFCFFD1AFEC714C7FE29" box="[736,767,369,392]" italics="true" pageId="14" pageNumber="55">Hr</emphasis>
along both margins of gill; other surface with solitary long 
<emphasis id="B97DEAD5FFBDFFCFFF6DFE23168EFE0D" box="[151,182,405,428]" italics="true" pageId="14" pageNumber="55">Hr</emphasis>
and 
<emphasis id="B97DEAD5FFBDFFCFFF06FE231735FE0D" box="[252,269,405,428]" italics="true" pageId="14" pageNumber="55">B</emphasis>
. Both gill margins with 
<emphasis id="B97DEAD5FFBDFFCFFDBCFE23146FFE0D" box="[582,599,405,428]" italics="true" pageId="14" pageNumber="55">B</emphasis>
setae, inserted in small not articulated setal bases. Tracheation well distinguishable, yellowish to light dirty brown.
</paragraph>
<caption id="DF76664FFFBDFFCFFF6DF9821409F929" httpUri="https://zenodo.org/record/1441416/files/figure.png" pageId="14" pageNumber="55" startId="14.[151,264,1588,1611]" targetBox="[155,1396,530,1543]" targetPageId="14">
<paragraph id="8BB636C7FFBDFFCFFF6DF9821409F929" blockId="14.[151,1436,1588,1672]" pageId="14" pageNumber="55">
<emphasis id="B97DEAD5FFBDFFCFFF6DF982176FF9E8" bold="true" box="[151,343,1588,1611]" pageId="14" pageNumber="55">FIGURES 40–48.</emphasis>
<taxonomicName id="4C094D44FFBDFFCFFE9AF9821566F9EB" authority="(Soldan &amp; Thomas, 1983)" authorityName="Soldan &amp; Thomas" authorityYear="1983" baseAuthorityName="Soldan &amp; Thomas" baseAuthorityYear="1983" box="[352,862,1588,1610]" class="Insecta" family="Baetidae" genus="Nigrobaetis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ephemeroptera" pageId="14" pageNumber="55" phylum="Arthropoda" rank="species" species="rhithralis">
<emphasis id="B97DEAD5FFBDFFCFFE9AF9821407F9EB" box="[352,575,1588,1610]" italics="true" pageId="14" pageNumber="55">Nigrobaetis rhithralis</emphasis>
(Soldán &amp; Thomas, 1983)
</taxonomicName>
, paratypes, larvae: 40–41.—shape variation of gills II; 42.—gill III; 43.—gill IV; 44.—gill V; 45.—gill VI; 46–48.—shape variation of gills VII. Without scale lines; roman numbers indicate respective abdominal segments.
</paragraph>
</caption>
<paragraph id="8BB636C7FFBDFFCFFF3DF96F172DF8FD" blockId="14.[151,1436,1752,2029]" pageId="14" pageNumber="55">
Inner margin of paraproct with 28–35 stout spines gradually increasing in size and arranged in one row (
<figureCitation id="13322A42FFBDFFCFFA95F96E168FF8B4" captionStart="FIGURES 55–60" captionStartId="16.[151,264,1963,1986]" captionTargetBox="[193,1395,200,1923]" captionTargetId="figure@16.[189,1398,193,1942]" captionTargetPageId="16" captionText="FIGURES 55–60. Nigrobaetis rhithralis (Soldán &amp; Thomas, 1983), paratypes, larvae, abdominal terga: 55.—II; 56.—IV; 57.—VI; 58.—VIII; 59.—X; 60—paraproct. Without scale lines; roman numbers indicate respective abdominal segments." httpUri="https://zenodo.org/record/1441420/files/figure.png" pageId="14" pageNumber="55">Fig. 60</figureCitation>
); absence of posterior prolongation of paraproct; surface of paraproct with numerous 
<emphasis id="B97DEAD5FFBDFFCFFB72F94B12DAF8B5" box="[1160,1250,1789,1812]" italics="true" pageId="14" pageNumber="55">SCS-pet</emphasis>
, and only a few 
<emphasis id="B97DEAD5FFBDFFCFFF6DF89716DBF899" box="[151,227,1825,1848]" italics="true" pageId="14" pageNumber="55">SC-pet</emphasis>
, 
<emphasis id="B97DEAD5FFBDFFCFFF0BF897173AF899" box="[241,258,1825,1848]" italics="true" pageId="14" pageNumber="55">B</emphasis>
and long 
<emphasis id="B97DEAD5FFBDFFCFFE8BF89717A9F899" box="[369,401,1825,1848]" italics="true" pageId="14" pageNumber="55">Hr</emphasis>
mainly centrally. Cercotractor with 
<emphasis id="B97DEAD5FFBDFFCFFCDCF89715B8F899" box="[806,896,1825,1848]" italics="true" pageId="14" pageNumber="55">SCS-pet</emphasis>
and 
<emphasis id="B97DEAD5FFBDFFCFFC4DF8971232F899" box="[951,1034,1825,1848]" italics="true" pageId="14" pageNumber="55">SC-pet,</emphasis>
margin with 18–25 spines arranged in one row.
</paragraph>
<paragraph id="8BB636C7FFBDFFCFFF3DF8DE1514F820" blockId="14.[151,1436,1752,2029]" box="[199,812,1896,1921]" pageId="14" pageNumber="55">
Terminal filaments structure as on 
<figureCitation id="13322A42FFBDFFCFFDB6F8DE14A3F820" box="[588,667,1896,1921]" captionStart="FIGURES 55–60" captionStartId="16.[151,264,1963,1986]" captionTargetBox="[193,1395,200,1923]" captionTargetId="figure@16.[189,1398,193,1942]" captionTargetPageId="16" captionText="FIGURES 55–60. Nigrobaetis rhithralis (Soldán &amp; Thomas, 1983), paratypes, larvae, abdominal terga: 55.—II; 56.—IV; 57.—VI; 58.—VIII; 59.—X; 60—paraproct. Without scale lines; roman numbers indicate respective abdominal segments." httpUri="https://zenodo.org/record/1441420/files/figure.png" pageId="14" pageNumber="55">Fig. 60</figureCitation>
and 
<tableCitation id="C68B037CFFBDFFCFFD28F8DE151EF820" box="[722,806,1896,1921]" captionStart="TABLE 1" captionStartId="23.[147,220,548,567]" captionText="TABLE 1. Morphological characters to distinguishing of Nigrobaetis rhithralis (Soldán &amp; Thomas, 1983) (Figs 1–9, 10A–B, 11–60) from N. digitatus (Bengtsson, 1912) (Figs 10C, 61–81). Distinct differential characters are marked in grey." pageId="14" pageNumber="55">Table 1</tableCitation>
.
</paragraph>
</subSubSection>
<subSubSection id="C313654CFFBDFFD6FF3DF83A115AF9DF" lastPageId="23" lastPageNumber="64" pageId="14" pageNumber="55" type="discussion">
<paragraph id="8BB636C7FFBDFFCEFF3DF83A13BAFEE1" blockId="14.[151,1436,1752,2029]" lastBlockId="15.[151,1437,151,320]" lastPageId="15" lastPageNumber="56" pageId="14" pageNumber="55">
<emphasis id="B97DEAD5FFBDFFCFFF3DF83A1774F804" bold="true" box="[199,332,1932,1957]" pageId="14" pageNumber="55">Discussion.</emphasis>
As already mentioned, 
<taxonomicName id="4C094D44FFBDFFCFFDA7F83814D0F804" baseAuthorityName="Soldan &amp; Thomas" baseAuthorityYear="1983" box="[605,744,1932,1957]" class="Insecta" family="Baetidae" genus="Nigrobaetis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ephemeroptera" pageId="14" pageNumber="55" phylum="Arthropoda" rank="species" species="rhithralis">
<emphasis id="B97DEAD5FFBDFFCFFDA7F83814D0F804" box="[605,744,1932,1957]" italics="true" pageId="14" pageNumber="55">N. rhithralis</emphasis>
</taxonomicName>
and 
<taxonomicName id="4C094D44FFBDFFCFFCD8F838159EF804" baseAuthorityName="Bengtsson" baseAuthorityYear="1912" box="[802,934,1932,1957]" class="Insecta" family="Baetidae" genus="Nigrobaetis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ephemeroptera" pageId="14" pageNumber="55" phylum="Arthropoda" rank="species" species="digitatus">
<emphasis id="B97DEAD5FFBDFFCFFCD8F838159EF804" box="[802,934,1932,1957]" italics="true" pageId="14" pageNumber="55">N. digitatus</emphasis>
</taxonomicName>
are rather similar. Differential characters of adults and larvae are listed in 
<tableCitation id="C68B037CFFBDFFCFFE13F8061406F868" box="[489,574,1968,1993]" captionStart="TABLE 1" captionStartId="23.[147,220,548,567]" captionText="TABLE 1. Morphological characters to distinguishing of Nigrobaetis rhithralis (Soldán &amp; Thomas, 1983) (Figs 1–9, 10A–B, 11–60) from N. digitatus (Bengtsson, 1912) (Figs 10C, 61–81). Distinct differential characters are marked in grey." pageId="14" pageNumber="55">Table 1</tableCitation>
; main differences between these two species are marked with gray. Detailed study of material of 
<taxonomicName id="4C094D44FFBDFFCFFE7CF8601434F84C" baseAuthorityName="Bengtsson" baseAuthorityYear="1912" box="[390,524,2004,2029]" class="Insecta" family="Baetidae" genus="Nigrobaetis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ephemeroptera" pageId="14" pageNumber="55" phylum="Arthropoda" rank="species" species="digitatus">
<emphasis id="B97DEAD5FFBDFFCFFE7CF8601434F84C" box="[390,524,2004,2029]" italics="true" pageId="14" pageNumber="55">N. digitatus</emphasis>
</taxonomicName>
from different areas (
<collectingCountry id="F31E7657FFBDFFCFFCF6F863154FF84C" box="[780,887,2005,2029]" name="Germany" pageId="14" pageNumber="55">Germany</collectingCountry>
, Balkans, Pontic region, 
<collectingCountry id="F31E7657FFBDFFCFFB61F86312D4F84C" box="[1179,1260,2005,2029]" name="Cyprus" pageId="14" pageNumber="55">Cyprus</collectingCountry>
and Caucasus) revealed minute differences with specimens from 
<collectingCountry id="F31E7657FFBCFFCEFD02FF21156CFF11" box="[760,852,151,176]" name="Sweden" pageId="15" pageNumber="56">Sweden</collectingCountry>
. Thus, morphological characters corroborate the preliminary molecular results (Project FREDIE: http://www.fredie.eu/, S. Rutschmann 
<emphasis id="B97DEAD5FFBCFFCEFB80FF0A13AAFF75" box="[1146,1426,188,213]" italics="true" pageId="15" pageNumber="56">personal communication</emphasis>
) and seem to indicate that the present concept of 
<taxonomicName id="4C094D44FFBCFFCEFD43FF571504FF59" baseAuthorityName="Bengtsson" baseAuthorityYear="1912" box="[697,828,223,248]" class="Insecta" family="Baetidae" genus="Nigrobaetis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ephemeroptera" pageId="15" pageNumber="56" phylum="Arthropoda" rank="species" species="digitatus">
<emphasis id="B97DEAD5FFBCFFCEFD43FF571504FF59" box="[697,828,223,248]" italics="true" pageId="15" pageNumber="56">N. digitatus</emphasis>
</taxonomicName>
corresponds in fact to a complex of sibylline species. Consequently, for the comparison with 
<taxonomicName id="4C094D44FFBCFFCEFD91FEB314C2FEBC" baseAuthorityName="Soldan &amp; Thomas" baseAuthorityYear="1983" box="[619,762,260,285]" class="Insecta" family="Baetidae" genus="Nigrobaetis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ephemeroptera" pageId="15" pageNumber="56" phylum="Arthropoda" rank="species" species="rhithralis">
<emphasis id="B97DEAD5FFBCFFCEFD91FEB314C2FEBC" box="[619,762,260,285]" italics="true" pageId="15" pageNumber="56">N. rhithralis</emphasis>
</taxonomicName>
we used only the Scandinavian specimens (
<collectingCountry id="F31E7657FFBCFFCEFAF7FEB2135FFEBC" box="[1293,1383,260,285]" name="Sweden" pageId="15" pageNumber="56">Sweden</collectingCountry>
and 
<collectingCountry id="F31E7657FFBCFFCEFF6DFE9116CAFEE1" box="[151,242,295,320]" name="Finland" pageId="15" pageNumber="56">Finland</collectingCountry>
). When specimens from other territories are also considered, we clearly indicate them as 
<taxonomicName id="4C094D44FFBCFFCEFB2DFE9F1362FEE1" authority="Godunko &amp; Martynov &amp; Gattolliat, 2018" authorityName="Godunko &amp; Martynov &amp; Gattolliat" authorityYear="2018" box="[1239,1370,295,320]" class="Insecta" family="Baetidae" genus="Nigrobaetis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ephemeroptera" pageId="15" pageNumber="56" phylum="Arthropoda" rank="species" sensu="lato" species="digitatus">
<emphasis id="B97DEAD5FFBCFFCEFB2DFE9F1362FEE1" box="[1239,1370,295,320]" italics="true" pageId="15" pageNumber="56">N. digitatus</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A24E57AEFFBCFFCEFA9BFE9113BAFEE1" box="[1377,1410,295,320]" pageId="15" pageNumber="56" sensu="lato">s.l.</taxonomicNameLabel>
</paragraph>
<caption id="DF76664FFFBCFFCEFF6DF9571205F894" httpUri="https://zenodo.org/record/1441418/files/figure.png" pageId="15" pageNumber="56" startId="15.[151,264,1761,1784]" targetBox="[151,1436,373,1741]" targetPageId="15">
<paragraph id="8BB636C7FFBCFFCEFF6DF9571205F894" blockId="15.[151,1435,1761,1845]" pageId="15" pageNumber="56">
<emphasis id="B97DEAD5FFBCFFCEFF6DF957176DF956" bold="true" box="[151,341,1761,1784]" pageId="15" pageNumber="56">FIGURES 49–54.</emphasis>
<taxonomicName id="4C094D44FFBCFFCEFEA1F9541575F959" authority="(Soldan &amp; Thomas, 1983)" authorityName="Soldan &amp; Thomas" authorityYear="1983" baseAuthorityName="Soldan &amp; Thomas" baseAuthorityYear="1983" box="[347,845,1762,1784]" class="Insecta" family="Baetidae" genus="Nigrobaetis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ephemeroptera" pageId="15" pageNumber="56" phylum="Arthropoda" rank="species" species="rhithralis">
<emphasis id="B97DEAD5FFBCFFCEFEA1F9541400F959" box="[347,568,1762,1784]" italics="true" pageId="15" pageNumber="56">Nigrobaetis rhithralis</emphasis>
(Soldán &amp; Thomas, 1983)
</taxonomicName>
, paratypes, larvae: 49.—scape and pedicel; 50.—shape of frontal suture; 51.—surface of tergum V; 52.—posterior margin and surface of tergum V; 53.—posterior margin and surface of tergum VIII; 54.—caudal filament segments. Scale lines = 10 µm [49, 51–54]; 100 µm [50].
</paragraph>
</caption>
<paragraph id="8BB636C7FFBCFFCEFF3DF8EA131FF840" blockId="15.[151,1436,1884,2018]" pageId="15" pageNumber="56">
The colour pattern of male and female adults of 
<taxonomicName id="4C094D44FFBCFFCEFD1CF8E81551F8D4" authorityName="Godunko &amp; Martynov &amp; Gattolliat" authorityYear="2018" box="[742,873,1884,1909]" class="Insecta" family="Baetidae" genus="Nigrobaetis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ephemeroptera" pageId="15" pageNumber="56" phylum="Arthropoda" rank="species" species="digitatus">
<emphasis id="B97DEAD5FFBCFFCEFD1CF8E81551F8D4" box="[742,873,1884,1909]" italics="true" pageId="15" pageNumber="56">N. digitatus</emphasis>
</taxonomicName>
and 
<taxonomicName id="4C094D44FFBCFFCEFC5AF8E81212F8D4" baseAuthorityName="Soldan &amp; Thomas" baseAuthorityYear="1983" box="[928,1066,1884,1909]" class="Insecta" family="Baetidae" genus="Nigrobaetis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ephemeroptera" pageId="15" pageNumber="56" phylum="Arthropoda" rank="species" species="rhithralis">
<emphasis id="B97DEAD5FFBCFFCEFC5AF8E81212F8D4" box="[928,1066,1884,1909]" italics="true" pageId="15" pageNumber="56">N. rhithralis</emphasis>
</taxonomicName>
is only partly similar. These two species clearly differ in the colour of male turbinate eyes of freshly fixed material, i.e. (
<emphasis id="B97DEAD5FFBCFFCEFB58F8361292F838" bold="true" box="[1186,1194,1920,1945]" pageId="15" pageNumber="56">i</emphasis>
) yellowish-brown to uniform reddish or blood-red at facetted surface and eyes shaft in 
<taxonomicName id="4C094D44FFBCFFCEFC61F8101219F81F" authorityName="Godunko &amp; Martynov &amp; Gattolliat" authorityYear="2018" box="[923,1057,1957,1982]" class="Insecta" family="Baetidae" genus="Nigrobaetis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ephemeroptera" pageId="15" pageNumber="56" phylum="Arthropoda" rank="species" species="digitatus">
<emphasis id="B97DEAD5FFBCFFCEFC61F8101219F81F" box="[923,1057,1957,1982]" italics="true" pageId="15" pageNumber="56">N. digitatus</emphasis>
</taxonomicName>
(fresh material observation); (
<emphasis id="B97DEAD5FFBCFFCEFA79F81213ABF81C" bold="true" box="[1411,1427,1956,1981]" pageId="15" pageNumber="56">ii</emphasis>
) intensively dark orange at faceted surface with two varicoloured rings on shaft in 
<taxonomicName id="4C094D44FFBCFFCEFBD0F87C128CF843" baseAuthorityName="Soldan &amp; Thomas" baseAuthorityYear="1983" box="[1066,1204,1993,2018]" class="Insecta" family="Baetidae" genus="Nigrobaetis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ephemeroptera" pageId="15" pageNumber="56" phylum="Arthropoda" rank="species" species="rhithralis">
<emphasis id="B97DEAD5FFBCFFCEFBD0F87C128CF843" box="[1066,1204,1993,2018]" italics="true" pageId="15" pageNumber="56">N. rhithralis</emphasis>
</taxonomicName>
(
<tableCitation id="C68B037CFFBCFFCEFB38F87F132EF840" box="[1218,1302,1993,2018]" captionStart="TABLE 1" captionStartId="23.[147,220,548,567]" captionText="TABLE 1. Morphological characters to distinguishing of Nigrobaetis rhithralis (Soldán &amp; Thomas, 1983) (Figs 1–9, 10A–B, 11–60) from N. digitatus (Bengtsson, 1912) (Figs 10C, 61–81). Distinct differential characters are marked in grey." pageId="15" pageNumber="56">Table 1</tableCitation>
).
</paragraph>
<caption id="DF76664FFFA3FFD1FF6DF81D1356F845" httpUri="https://zenodo.org/record/1441420/files/figure.png" pageId="16" pageNumber="57" startId="16.[151,264,1963,1986]" targetBox="[193,1395,200,1923]" targetPageId="16">
<paragraph id="8BB636C7FFA3FFD1FF6DF81D1356F845" blockId="16.[151,1436,1963,2020]" pageId="16" pageNumber="57">
<emphasis id="B97DEAD5FFA3FFD1FF6DF81D176FF861" bold="true" box="[151,343,1963,1986]" pageId="16" pageNumber="57">FIGURES 55–60.</emphasis>
<taxonomicName id="4C094D44FFA3FFD1FE9BF81D155AF860" authority="(Soldan &amp; Thomas, 1983)" authorityName="Soldan &amp; Thomas" authorityYear="1983" baseAuthorityName="Soldan &amp; Thomas" baseAuthorityYear="1983" box="[353,866,1963,1985]" class="Insecta" family="Baetidae" genus="Nigrobaetis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ephemeroptera" pageId="16" pageNumber="57" phylum="Arthropoda" rank="species" species="rhithralis">
<emphasis id="B97DEAD5FFA3FFD1FE9BF81D1479F860" box="[353,577,1963,1985]" italics="true" pageId="16" pageNumber="57">Nigrobaetis rhithralis</emphasis>
(Soldán &amp; Thomas, 1983)
</taxonomicName>
, paratypes, larvae, abdominal terga: 55.—II; 56.—IV; 57.—VI; 58.—VIII; 59.—X; 60—paraproct. Without scale lines; roman numbers indicate respective abdominal segments.
</paragraph>
</caption>
<paragraph id="8BB636C7FFA2FFD0FF3DFF21132AFF59" blockId="17.[151,1437,151,248]" pageId="17" pageNumber="58">
Other differences in turbinate eyes of male imagos are as following: (
<emphasis id="B97DEAD5FFA2FFD0FC1CFF2115D6FF11" bold="true" box="[998,1006,151,176]" pageId="17" pageNumber="58">i</emphasis>
) in lateral aspect the eyes shaft of 
<taxonomicName id="4C094D44FFA2FFD0FA78FF2F16C1FF74" authorityName="Godunko &amp; Martynov &amp; Gattolliat" authorityYear="2018" class="Insecta" family="Baetidae" genus="Nigrobaetis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ephemeroptera" pageId="17" pageNumber="58" phylum="Arthropoda" rank="species" species="digitatus">
<emphasis id="B97DEAD5FFA2FFD0FA78FF2F16C1FF74" italics="true" pageId="17" pageNumber="58">N. digitatus</emphasis>
</taxonomicName>
distinctly divergent directly from the base (
<figureCitation id="13322A42FFA2FFD0FD24FF0A1558FF74" box="[734,864,188,213]" captionStart="FIGURES 61–64" captionStartId="17.[151,264,1700,1723]" captionTargetBox="[151,1436,301,1676]" captionTargetId="figure@17.[151,1436,301,1679]" captionTargetPageId="17" captionText="FIGURES 61–64. Nigrobaetis digitatus (Bengtsson, 1912), male imago head; Sweden: Närke County [61, 62]; Västmanland County [63, 64]. 61, 63.—lateral view, left side; 62, 64.—dorsal side. Scale lines = 200 µm [61]; 500 µm [62–64]." httpUri="https://zenodo.org/record/1441422/files/figure.png" pageId="17" pageNumber="58">Figs 61–64</figureCitation>
); (
<emphasis id="B97DEAD5FFA2FFD0FC87FF0D15B4FF75" bold="true" box="[893,908,187,212]" pageId="17" pageNumber="58">ii</emphasis>
) in contrast to moderately high eyes shaft of 
<taxonomicName id="4C094D44FFA2FFD0FA78FF0B1738FF59" baseAuthorityName="Soldan &amp; Thomas" baseAuthorityYear="1983" class="Insecta" family="Baetidae" genus="Nigrobaetis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ephemeroptera" pageId="17" pageNumber="58" phylum="Arthropoda" rank="species" species="rhithralis">
<emphasis id="B97DEAD5FFA2FFD0FA78FF0B1738FF59" italics="true" pageId="17" pageNumber="58">N. rhithralis</emphasis>
</taxonomicName>
, well separated, clearly diverges after middle of its length (
<figureCitation id="13322A42FFA2FFD0FC63FF6915DAFF59" box="[921,994,223,248]" captionStart="FIGURES 1–4" captionStartId="4.[151,264,1764,1787]" captionTargetBox="[151,1436,519,1723]" captionTargetId="figure@4.[151,1436,519,1739]" captionTargetPageId="4" captionText="FIGURES 1–4. Nigrobaetis rhithralis (Soldán &amp; Thomas, 1983), paratypes, male imago [1–2] and female imago [3–4]: 1.— general lateral view, left side; 2.—head and prothorax in lateral view, right side; 3.—general lateral view, left side; 4.—head and prothorax in lateral view, left side. Scale lines = 1 mm [1, 3]; 0.5 mm [2]; 200 µm [4]." httpUri="https://zenodo.org/record/1441400/files/figure.png" pageId="17" pageNumber="58">Figs 2</figureCitation>
, 
<figureCitation id="13322A42FFA2FFD0FC14FF6915C6FF59" box="[1006,1022,223,248]" captionStart="FIGURES 5–9" captionStartId="5.[151,264,1732,1755]" captionTargetBox="[153,1431,460,1692]" captionTargetId="figure@5.[151,1436,445,1711]" captionTargetPageId="5" captionText="FIGURES 5–9. Nigrobaetis rhithralis (Soldán &amp; Thomas, 1983), paratypes, male imagos: 5.—turbinate eyes in dorsal view; 6.—head in lateral view, right side; 7–8.—hind wings in lateral view, left side; 9.—right foreleg. Without scale lines." httpUri="https://zenodo.org/record/1441402/files/figure.png" pageId="17" pageNumber="58">6</figureCitation>
; 
<tableCitation id="C68B037CFFA2FFD0FBF1FF691258FF59" box="[1035,1120,223,248]" captionStart="TABLE 1" captionStartId="23.[147,220,548,567]" captionText="TABLE 1. Morphological characters to distinguishing of Nigrobaetis rhithralis (Soldán &amp; Thomas, 1983) (Figs 1–9, 10A–B, 11–60) from N. digitatus (Bengtsson, 1912) (Figs 10C, 61–81). Distinct differential characters are marked in grey." pageId="17" pageNumber="58">Table 1</tableCitation>
: character 
<date id="FFB71007FFA2FFD0FB20FF56133DFF59" box="[1242,1285,224,248]" pageId="17" pageNumber="58">II.2</date>
).
</paragraph>
<caption id="DF76664FFFA2FFD0FF6DF9121324F978" httpUri="https://zenodo.org/record/1441422/files/figure.png" pageId="17" pageNumber="58" startId="17.[151,264,1700,1723]" targetBox="[151,1436,301,1676]" targetPageId="17">
<paragraph id="8BB636C7FFA2FFD0FF6DF9121324F978" blockId="17.[151,1436,1700,1753]" pageId="17" pageNumber="58">
<emphasis id="B97DEAD5FFA2FFD0FF6DF912176DF918" bold="true" box="[151,341,1700,1723]" pageId="17" pageNumber="58">FIGURES 61–64.</emphasis>
<taxonomicName id="4C094D44FFA2FFD0FEA6F91214CEF91B" authority="(Bengtsson, 1912)" authorityName="Bengtsson" authorityYear="1912" baseAuthorityName="Bengtsson" baseAuthorityYear="1912" box="[348,758,1700,1722]" class="Insecta" family="Baetidae" genus="Nigrobaetis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ephemeroptera" pageId="17" pageNumber="58" phylum="Arthropoda" rank="species" species="digitatus">
<emphasis id="B97DEAD5FFA2FFD0FEA6F912140BF91B" box="[348,563,1700,1722]" italics="true" pageId="17" pageNumber="58">Nigrobaetis digitatus</emphasis>
(Bengtsson, 1912)
</taxonomicName>
, male imago head; Sweden: Närke County [61, 62]; Västmanland County [63, 64]. 61, 63.—lateral view, left side; 62, 64.—dorsal side. Scale lines = 200 µm [61]; 500 µm [62–64].
</paragraph>
</caption>
<paragraph id="8BB636C7FFA2FFD0FF3DF89F1227F80F" blockId="17.[151,1436,1833,1966]" pageId="17" pageNumber="58">
Visible differences are observed in the shape of faceted surface, i.e. (
<emphasis id="B97DEAD5FFA2FFD0FC2AF89F15E0F8E3" bold="true" box="[976,984,1833,1858]" pageId="17" pageNumber="58">i</emphasis>
) ellipsoidal and distinctly asymmetrical faceted surface in 
<taxonomicName id="4C094D44FFA2FFD0FE9EF8F917DFF8C7" baseAuthorityName="Bengtsson" baseAuthorityYear="1912" box="[356,487,1869,1894]" class="Insecta" family="Baetidae" genus="Nigrobaetis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ephemeroptera" pageId="17" pageNumber="58" phylum="Arthropoda" rank="species" species="digitatus">
<emphasis id="B97DEAD5FFA2FFD0FE9EF8F917DFF8C7" box="[356,487,1869,1894]" italics="true" pageId="17" pageNumber="58">N. digitatus</emphasis>
</taxonomicName>
; (
<emphasis id="B97DEAD5FFA2FFD0FDFAF8FB1437F8C7" bold="true" box="[512,527,1869,1894]" pageId="17" pageNumber="58">ii</emphasis>
) in contrast to more rounded and not stretched laterally in 
<taxonomicName id="4C094D44FFA2FFD0FB5CF8F91309F8C7" baseAuthorityName="Soldan &amp; Thomas" baseAuthorityYear="1983" box="[1190,1329,1869,1894]" class="Insecta" family="Baetidae" genus="Nigrobaetis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ephemeroptera" pageId="17" pageNumber="58" phylum="Arthropoda" rank="species" species="rhithralis">
<emphasis id="B97DEAD5FFA2FFD0FB5CF8F91309F8C7" box="[1190,1329,1869,1894]" italics="true" pageId="17" pageNumber="58">N. rhithralis</emphasis>
</taxonomicName>
(
<figureCitation id="13322A42FFA2FFD0FABAF8FB168BF82B" captionStart="FIGURES 61–64" captionStartId="17.[151,264,1700,1723]" captionTargetBox="[151,1436,301,1676]" captionTargetId="figure@17.[151,1436,301,1679]" captionTargetPageId="17" captionText="FIGURES 61–64. Nigrobaetis digitatus (Bengtsson, 1912), male imago head; Sweden: Närke County [61, 62]; Västmanland County [63, 64]. 61, 63.—lateral view, left side; 62, 64.—dorsal side. Scale lines = 200 µm [61]; 500 µm [62–64]." httpUri="https://zenodo.org/record/1441422/files/figure.png" pageId="17" pageNumber="58">Figs 62, 64</figureCitation>
and character 
<date id="FFB71007FFA2FFD0FEACF8C41746F82B" box="[342,382,1906,1930]" pageId="17" pageNumber="58">
II. 
<quantity id="4CF19B22FFA2FFD0FE89F8C41746F82B" box="[371,382,1906,1930]" metricMagnitude="-2" metricUnit="m" metricValue="2.54" pageId="17" pageNumber="58" unit="in" value="1.0">1</quantity>
</date>
in 
<tableCitation id="C68B037CFFA2FFD0FE5BF8C717CAF82B" box="[417,498,1905,1930]" captionStart="TABLE 1" captionStartId="23.[147,220,548,567]" captionText="TABLE 1. Morphological characters to distinguishing of Nigrobaetis rhithralis (Soldán &amp; Thomas, 1983) (Figs 1–9, 10A–B, 11–60) from N. digitatus (Bengtsson, 1912) (Figs 10C, 61–81). Distinct differential characters are marked in grey." pageId="17" pageNumber="58">Table 1</tableCitation>
). Described above shape and proportions of turbinate eyes correspond to respective indexes proposed by 
<bibRefCitation id="EF984B36FFA2FFD0FE7EF8231494F80F" box="[388,684,1941,1966]" pageId="17" pageNumber="58" refId="ref12027" refString="Novikova, E. A. &amp; Kluge, N. J. (1994) Podenki podroda Nigrobaetis (Ephemeroptera, Baetidae, Baetis Leach, 1815) [Mayflies of the subgenus Nigrobaetis (Ephemeroptera, Baetidae, Baetis Leach, 1815)]. Entomologicheskoe Obozrenie, 73 (3), 623 - 644. [in Russian, with English summary]" type="journal article">Novikova &amp; Kluge (1994)</bibRefCitation>
(see 
<tableCitation id="C68B037CFFA2FFD0FD1DF8231504F80F" box="[743,828,1941,1966]" captionStart="TABLE 1" captionStartId="23.[147,220,548,567]" captionText="TABLE 1. Morphological characters to distinguishing of Nigrobaetis rhithralis (Soldán &amp; Thomas, 1983) (Figs 1–9, 10A–B, 11–60) from N. digitatus (Bengtsson, 1912) (Figs 10C, 61–81). Distinct differential characters are marked in grey." pageId="17" pageNumber="58">Table 1</tableCitation>
: characters 
<date id="FFB71007FFA2FFD0FC3BF821122AF80F" box="[961,1042,1942,1966]" pageId="17" pageNumber="58">III.1–4</date>
).
</paragraph>
<caption id="DF76664FFFA1FFD3FF6DF95114C2F8BD" httpUri="https://zenodo.org/record/1441424/files/figure.png" pageId="18" pageNumber="59" startId="18.[151,264,1767,1790]" targetBox="[151,1436,193,1742]" targetPageId="18">
<paragraph id="8BB636C7FFA1FFD3FF6DF95114C2F8BD" blockId="18.[151,1436,1767,1820]" pageId="18" pageNumber="59">
<emphasis id="B97DEAD5FFA1FFD3FF6DF951176CF95C" bold="true" box="[151,340,1767,1790]" pageId="18" pageNumber="59">FIGURES 65–67.</emphasis>
<taxonomicName id="4C094D44FFA1FFD3FEA0F95E14C9F95F" authority="(Bengtsson, 1912)" authorityName="Bengtsson" authorityYear="1912" baseAuthorityName="Bengtsson" baseAuthorityYear="1912" box="[346,753,1768,1790]" class="Insecta" family="Baetidae" genus="Nigrobaetis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ephemeroptera" pageId="18" pageNumber="59" phylum="Arthropoda" rank="species" species="digitatus">
<emphasis id="B97DEAD5FFA1FFD3FEA0F95E1417F95F" box="[346,559,1768,1790]" italics="true" pageId="18" pageNumber="59">Nigrobaetis digitatus</emphasis>
(Bengtsson, 1912)
</taxonomicName>
, male imago genitalia, ventral view; Sweden: Västmanland County [65, 66]; Sweden, Närke County [67]. Scale lines = 200 µm.
</paragraph>
</caption>
<paragraph id="8BB636C7FFA1FFD2FF3DF8D11759FF74" blockId="18.[151,1436,1895,2029]" lastBlockId="19.[151,1436,151,429]" lastPageId="19" lastPageNumber="60" pageId="18" pageNumber="59">
Additionally, abdominal terga of adults of 
<taxonomicName id="4C094D44FFA1FFD3FD38F8DF1569F821" baseAuthorityName="Soldan &amp; Thomas" baseAuthorityYear="1983" box="[706,849,1895,1920]" class="Insecta" family="Baetidae" genus="Nigrobaetis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ephemeroptera" pageId="18" pageNumber="59" phylum="Arthropoda" rank="species" species="rhithralis">
<emphasis id="B97DEAD5FFA1FFD3FD38F8DF1569F821" box="[706,849,1895,1920]" italics="true" pageId="18" pageNumber="59">N. rhithralis</emphasis>
</taxonomicName>
are slightly darker than in 
<taxonomicName id="4C094D44FFA1FFD3FB64F8DF131EF821" baseAuthorityName="Bengtsson" baseAuthorityYear="1912" box="[1182,1318,1895,1920]" class="Insecta" family="Baetidae" genus="Nigrobaetis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ephemeroptera" pageId="18" pageNumber="59" phylum="Arthropoda" rank="species" species="digitatus">
<emphasis id="B97DEAD5FFA1FFD3FB64F8DF131EF821" box="[1182,1318,1895,1920]" italics="true" pageId="18" pageNumber="59">N. digitatus</emphasis>
</taxonomicName>
(
<tableCitation id="C68B037CFFA1FFD3FAC0F8D113AEF821" box="[1338,1430,1895,1920]" captionStart="TABLE 1" captionStartId="23.[147,220,548,567]" captionText="TABLE 1. Morphological characters to distinguishing of Nigrobaetis rhithralis (Soldán &amp; Thomas, 1983) (Figs 1–9, 10A–B, 11–60) from N. digitatus (Bengtsson, 1912) (Figs 10C, 61–81). Distinct differential characters are marked in grey." pageId="18" pageNumber="59">Table 1</tableCitation>
: character 
<date id="FFB71007FFA1FFD3FEF3F83A1706F805" box="[265,318,1932,1956]" pageId="18" pageNumber="59">VI.1</date>
). There are no clear differences between both species in the structure of fore- and hind wings venation. The hind wings venations of 
<taxonomicName id="4C094D44FFA1FFD3FD9FF80714D5F869" baseAuthorityName="Bengtsson" baseAuthorityYear="1912" box="[613,749,1967,1992]" class="Insecta" family="Baetidae" genus="Nigrobaetis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ephemeroptera" pageId="18" pageNumber="59" phylum="Arthropoda" rank="species" species="digitatus">
<emphasis id="B97DEAD5FFA1FFD3FD9FF80714D5F869" box="[613,749,1967,1992]" italics="true" pageId="18" pageNumber="59">N. digitatus</emphasis>
</taxonomicName>
present some variability, especially regarding the place of bifurcation of the second vein relatively to their length, and the number of intercalaries in this fork (
<bibRefCitation id="EF984B36FFA1FFD2FAF7F8621414FF11" lastPageId="19" lastPageNumber="60" pageId="18" pageNumber="59" refId="ref12027" refString="Novikova, E. A. &amp; Kluge, N. J. (1994) Podenki podroda Nigrobaetis (Ephemeroptera, Baetidae, Baetis Leach, 1815) [Mayflies of the subgenus Nigrobaetis (Ephemeroptera, Baetidae, Baetis Leach, 1815)]. Entomologicheskoe Obozrenie, 73 (3), 623 - 644. [in Russian, with English summary]" type="journal article">Novikova &amp; Kluge 1994: 632–634, fig. 3.13–17</bibRefCitation>
). The variability within 
<taxonomicName id="4C094D44FFA0FFD2FCBAFF2F15F4FF11" baseAuthorityName="Soldan &amp; Thomas" baseAuthorityYear="1983" box="[832,972,151,176]" class="Insecta" family="Baetidae" genus="Nigrobaetis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ephemeroptera" pageId="19" pageNumber="60" phylum="Arthropoda" rank="species" species="rhithralis">
<emphasis id="B97DEAD5FFA0FFD2FCBAFF2F15F4FF11" box="[832,972,151,176]" italics="true" pageId="19" pageNumber="60">N. rhithralis</emphasis>
</taxonomicName>
remains unknown (
<figureCitation id="13322A42FFA0FFD2FB54FF21132CFF11" box="[1198,1300,151,176]" captionStart="FIGURES 5–9" captionStartId="5.[151,264,1732,1755]" captionTargetBox="[153,1431,460,1692]" captionTargetId="figure@5.[151,1436,445,1711]" captionTargetPageId="5" captionText="FIGURES 5–9. Nigrobaetis rhithralis (Soldán &amp; Thomas, 1983), paratypes, male imagos: 5.—turbinate eyes in dorsal view; 6.—head in lateral view, right side; 7–8.—hind wings in lateral view, left side; 9.—right foreleg. Without scale lines." httpUri="https://zenodo.org/record/1441402/files/figure.png" pageId="19" pageNumber="60">Figs 7, 8</figureCitation>
and tabular characters 
<date id="FFB71007FFA0FFD2FEF5FF0A176CFF74" box="[271,340,188,213]" pageId="19" pageNumber="60">V.1–5</date>
).
</paragraph>
<paragraph id="8BB636C7FFA0FFD2FF3DFF691509FE0C" blockId="19.[151,1436,151,429]" pageId="19" pageNumber="60">
The male genitalia of 
<taxonomicName id="4C094D44FFA0FFD2FE3CFF57146BFF59" baseAuthorityName="Soldan &amp; Thomas" baseAuthorityYear="1983" box="[454,595,223,248]" class="Insecta" family="Baetidae" genus="Nigrobaetis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ephemeroptera" pageId="19" pageNumber="60" phylum="Arthropoda" rank="species" species="rhithralis">
<emphasis id="B97DEAD5FFA0FFD2FE3CFF57146BFF59" box="[454,595,223,248]" italics="true" pageId="19" pageNumber="60">N. rhithralis</emphasis>
</taxonomicName>
differs from that of 
<taxonomicName id="4C094D44FFA0FFD2FCB9FF5715F0FF59" baseAuthorityName="Bengtsson" baseAuthorityYear="1912" box="[835,968,223,248]" class="Insecta" family="Baetidae" genus="Nigrobaetis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ephemeroptera" pageId="19" pageNumber="60" phylum="Arthropoda" rank="species" species="digitatus">
<emphasis id="B97DEAD5FFA0FFD2FCB9FF5715F0FF59" box="[835,968,223,248]" italics="true" pageId="19" pageNumber="60">N. digitatus</emphasis>
</taxonomicName>
by the shape and proportions of forceps segments (see our 
<figureCitation id="13322A42FFA0FFD2FE90FEB217CBFEBD" box="[362,499,260,285]" captionStart="FIGURE 10" captionStartId="7.[151,250,1893,1915]" captionTargetBox="[223,1359,201,1865]" captionTargetId="figure@7.[223,1360,193,1865]" captionTargetPageId="7" captionText="FIGURE 10A–C. Nigrobaetis rhithralis (Soldán &amp; Thomas, 1983), paratypes, male imago genitalia, ventral view [Figs 10A, 10B]; Nigrobaetis digitatus (Bengtsson, 1912), male imago genitalia, ventral view [Fig. 10C; Russian Federation, Psekups River; the specimen previously described as B. digigracilis by Novikova (1987)]. Figure 10C modified based on photo provided by N.J. Kluge (sampling description see above). Scale lines = 100 µm. 10A and 10C—without scale line." httpUri="https://zenodo.org/record/1441404/files/figure.png" pageId="19" pageNumber="60">Fig. 10A–C</figureCitation>
, 
<tableCitation id="C68B037CFFA0FFD2FE05FEB2146DFEBD" box="[511,597,260,285]" captionStart="TABLE 1" captionStartId="23.[147,220,548,567]" captionText="TABLE 1. Morphological characters to distinguishing of Nigrobaetis rhithralis (Soldán &amp; Thomas, 1983) (Figs 1–9, 10A–B, 11–60) from N. digitatus (Bengtsson, 1912) (Figs 10C, 61–81). Distinct differential characters are marked in grey." pageId="19" pageNumber="60">Table 1</tableCitation>
: characters 
<date id="FFB71007FFA0FFD2FD27FEB21500FEBD" box="[733,824,260,284]" pageId="19" pageNumber="60">VII.1–7</date>
; 
<bibRefCitation id="EF984B36FFA0FFD2FCBFFEB212B0FEBD" box="[837,1160,260,285]" pageId="19" pageNumber="60" refId="ref10840" refString="Bauernfeind, E. &amp; Soldan, T. (2012) The Mayflies of Europe (Ephemeroptera). Apollo Books, Ollerup, 781 pp." type="book">Bauernfeind &amp; Soldán 2012</bibRefCitation>
: 148, 157, 573 574, figs 0 62, 069): (
<emphasis id="B97DEAD5FFA0FFD2FEE6FE91171CFEE1" bold="true" box="[284,292,295,320]" pageId="19" pageNumber="60">i</emphasis>
) a distinct difference between these species is found in the shape of the unistyliger with predominant presence (in 
<taxonomicName id="4C094D44FFA0FFD2FEDDFEFB1792FEC4" baseAuthorityName="Bengtsson" baseAuthorityYear="1912" box="[295,426,332,357]" class="Insecta" family="Baetidae" genus="Nigrobaetis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ephemeroptera" pageId="19" pageNumber="60" phylum="Arthropoda" rank="species" species="digitatus">
<emphasis id="B97DEAD5FFA0FFD2FEDDFEFB1792FEC4" box="[295,426,332,357]" italics="true" pageId="19" pageNumber="60">N. digitatus</emphasis>
</taxonomicName>
) or absence (in 
<taxonomicName id="4C094D44FFA0FFD2FD9AFEFB14D2FEC4" baseAuthorityName="Soldan &amp; Thomas" baseAuthorityYear="1983" box="[608,746,332,357]" class="Insecta" family="Baetidae" genus="Nigrobaetis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ephemeroptera" pageId="19" pageNumber="60" phylum="Arthropoda" rank="species" species="rhithralis">
<emphasis id="B97DEAD5FFA0FFD2FD9AFEFB14D2FEC4" box="[608,746,332,357]" italics="true" pageId="19" pageNumber="60">N. rhithralis</emphasis>
</taxonomicName>
) of apico-internal process; (
<emphasis id="B97DEAD5FFA0FFD2FBD3FEFD1200FEC5" bold="true" box="[1065,1080,331,356]" pageId="19" pageNumber="60">ii</emphasis>
) in the shape and proportion of unistyliger and segment III; and (
<emphasis id="B97DEAD5FFA0FFD2FDF5FED9141EFE29" bold="true" box="[527,550,367,392]" pageId="19" pageNumber="60">iii</emphasis>
) in the shape of inner margin of segment II, with presence (in 
<taxonomicName id="4C094D44FFA0FFD2FB13FEC7134CFE29" baseAuthorityName="Soldan &amp; Thomas" baseAuthorityYear="1983" box="[1257,1396,367,392]" class="Insecta" family="Baetidae" genus="Nigrobaetis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ephemeroptera" pageId="19" pageNumber="60" phylum="Arthropoda" rank="species" species="rhithralis">
<emphasis id="B97DEAD5FFA0FFD2FB13FEC7134CFE29" box="[1257,1396,367,392]" italics="true" pageId="19" pageNumber="60">N. rhithralis</emphasis>
</taxonomicName>
) or absence (in 
<taxonomicName id="4C094D44FFA0FFD2FEE6FE2317A7FE0C" baseAuthorityName="Bengtsson" baseAuthorityYear="1912" box="[284,415,404,429]" class="Insecta" family="Baetidae" genus="Nigrobaetis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ephemeroptera" pageId="19" pageNumber="60" phylum="Arthropoda" rank="species" species="digitatus">
<emphasis id="B97DEAD5FFA0FFD2FEE6FE2317A7FE0C" box="[284,415,404,429]" italics="true" pageId="19" pageNumber="60">N. digitatus</emphasis>
</taxonomicName>
) of a small but distinct inner hump.
</paragraph>
<caption id="DF76664FFFA0FFD2FF6DFA7E1251FA5C" httpUri="https://zenodo.org/record/1441426/files/figure.png" pageId="19" pageNumber="60" startId="19.[151,264,1480,1503]" targetBox="[151,1436,481,1459]" targetPageId="19">
<paragraph id="8BB636C7FFA0FFD2FF6DFA7E1251FA5C" blockId="19.[151,1436,1480,1533]" pageId="19" pageNumber="60">
<emphasis id="B97DEAD5FFA0FFD2FF6DFA7E176CFA7C" bold="true" box="[151,340,1480,1503]" pageId="19" pageNumber="60">FIGURES 68–71.</emphasis>
<taxonomicName id="4C094D44FFA0FFD2FEA1FA7E14CBFA7F" authority="(Bengtsson, 1912)" authorityName="Bengtsson" authorityYear="1912" baseAuthorityName="Bengtsson" baseAuthorityYear="1912" box="[347,755,1480,1502]" class="Insecta" family="Baetidae" genus="Nigrobaetis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ephemeroptera" pageId="19" pageNumber="60" phylum="Arthropoda" rank="species" species="digitatus">
<emphasis id="B97DEAD5FFA0FFD2FEA1FA7E1409FA7F" box="[347,561,1480,1502]" italics="true" pageId="19" pageNumber="60">Nigrobaetis digitatus</emphasis>
(Bengtsson, 1912)
</taxonomicName>
, larvae; Sweden: 68.—scape and pedicel; 69.—flagellar segments; 70.—shape of frontal suture; 71.—labrum, details. Scale lines = 20 µm [70]; 10 µm [68, 69, 71].
</paragraph>
</caption>
<paragraph id="8BB636C7FFA0FFD2FF3DF99217FEF898" blockId="19.[151,1437,1572,2029]" pageId="19" pageNumber="60">
The male imago reared from larva by Nikita J. Kluge (Psekups River, 
<collectingCountry id="F31E7657FFA0FFD2FC08F99212F5F99C" box="[1010,1229,1572,1597]" name="Russia" pageId="19" pageNumber="60">Russian Federation</collectingCountry>
) and drawn by us (
<figureCitation id="13322A42FFA0FFD2FF65F9FE1732F9C0" box="[159,266,1608,1633]" captionStart="FIGURE 10" captionStartId="7.[151,250,1893,1915]" captionTargetBox="[223,1359,201,1865]" captionTargetId="figure@7.[223,1360,193,1865]" captionTargetPageId="7" captionText="FIGURE 10A–C. Nigrobaetis rhithralis (Soldán &amp; Thomas, 1983), paratypes, male imago genitalia, ventral view [Figs 10A, 10B]; Nigrobaetis digitatus (Bengtsson, 1912), male imago genitalia, ventral view [Fig. 10C; Russian Federation, Psekups River; the specimen previously described as B. digigracilis by Novikova (1987)]. Figure 10C modified based on photo provided by N.J. Kluge (sampling description see above). Scale lines = 100 µm. 10A and 10C—without scale line." httpUri="https://zenodo.org/record/1441404/files/figure.png" pageId="19" pageNumber="60">Fig. 10C</figureCitation>
), was initially attributed to the species 
<taxonomicName id="4C094D44FFA0FFD2FD13F9FF15B7F9C0" box="[745,911,1608,1633]" class="Insecta" family="Baetidae" genus="Baetis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ephemeroptera" pageId="19" pageNumber="60" phylum="Arthropoda" rank="species" species="digigracilis">
<emphasis id="B97DEAD5FFA0FFD2FD13F9FF15B7F9C0" box="[745,911,1608,1633]" italics="true" pageId="19" pageNumber="60">B. digigracilis</emphasis>
</taxonomicName>
[nomen nudum] based on features listed in 
<bibRefCitation id="EF984B36FFA0FFD2FF6DF9DA1760F924" box="[151,344,1644,1669]" pageId="19" pageNumber="60" refId="ref11969" refString="Novikova, E. A. (1987) Podenki semeistva Baetidae (Ephemeroptera) fauny SSSR. [Mayflies of the family Baetidae (Ephemeroptera) of the USSR fauna]. Dissertaciya na soiskanie uchenoi stepeni kandidata biologicheskikh nauk. Leningradskii Gosudarstvennyi Universitet, Leningrad, 141 pp. [unpublished manuscript; in Russian]" type="book">Novikova (1987)</bibRefCitation>
(see also 
<bibRefCitation id="EF984B36FFA0FFD2FE36F9DA14D2F924" box="[460,746,1644,1669]" pageId="19" pageNumber="60" refId="ref12027" refString="Novikova, E. A. &amp; Kluge, N. J. (1994) Podenki podroda Nigrobaetis (Ephemeroptera, Baetidae, Baetis Leach, 1815) [Mayflies of the subgenus Nigrobaetis (Ephemeroptera, Baetidae, Baetis Leach, 1815)]. Entomologicheskoe Obozrenie, 73 (3), 623 - 644. [in Russian, with English summary]" type="journal article">Novikova &amp; Kluge 1994</bibRefCitation>
: 634). The shape and proportions of forceps segments of the specimen from Psekups River are rather similar to those in 
<taxonomicName id="4C094D44FFA0FFD2FCB7F92715E2F908" baseAuthorityName="Soldan &amp; Thomas" baseAuthorityYear="1983" box="[845,986,1680,1705]" class="Insecta" family="Baetidae" genus="Nigrobaetis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ephemeroptera" pageId="19" pageNumber="60" phylum="Arthropoda" rank="species" species="rhithralis">
<emphasis id="B97DEAD5FFA0FFD2FCB7F92715E2F908" box="[845,986,1680,1705]" italics="true" pageId="19" pageNumber="60">N. rhithralis</emphasis>
</taxonomicName>
(
<figureCitation id="13322A42FFA0FFD2FC11F9261245F908" box="[1003,1149,1680,1705]" captionStart="FIGURE 10" captionStartId="7.[151,250,1893,1915]" captionTargetBox="[223,1359,201,1865]" captionTargetId="figure@7.[223,1360,193,1865]" captionTargetPageId="7" captionText="FIGURE 10A–C. Nigrobaetis rhithralis (Soldán &amp; Thomas, 1983), paratypes, male imago genitalia, ventral view [Figs 10A, 10B]; Nigrobaetis digitatus (Bengtsson, 1912), male imago genitalia, ventral view [Fig. 10C; Russian Federation, Psekups River; the specimen previously described as B. digigracilis by Novikova (1987)]. Figure 10C modified based on photo provided by N.J. Kluge (sampling description see above). Scale lines = 100 µm. 10A and 10C—without scale line." httpUri="https://zenodo.org/record/1441404/files/figure.png" pageId="19" pageNumber="60">Figs 10A–B</figureCitation>
). However, within males collected by us in closely located Tuapse River, forceps structure is the same as in other European representatives of 
<taxonomicName id="4C094D44FFA0FFD2FF4FF96F1700F950" authority="Godunko &amp; Martynov &amp; Gattolliat, 2018" authorityName="Godunko &amp; Martynov &amp; Gattolliat" authorityYear="2018" box="[181,312,1752,1777]" class="Insecta" family="Baetidae" genus="Nigrobaetis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ephemeroptera" pageId="19" pageNumber="60" phylum="Arthropoda" rank="species" sensu="lato" species="digitatus">
<emphasis id="B97DEAD5FFA0FFD2FF4FF96F1700F950" box="[181,312,1752,1777]" italics="true" pageId="19" pageNumber="60">N. digitatus</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A24E57AEFFA0FFD2FEC5F96E1758F950" box="[319,352,1752,1777]" pageId="19" pageNumber="60" sensu="lato">s.l.</taxonomicNameLabel>
(
<figureCitation id="13322A42FFA0FFD2FE95F96E17CAF950" box="[367,498,1752,1777]" captionStart="FIGURES 65–67" captionStartId="18.[151,264,1767,1790]" captionTargetBox="[151,1436,193,1742]" captionTargetId="figure@18.[151,1436,193,1746]" captionTargetPageId="18" captionText="FIGURES 65–67. Nigrobaetis digitatus (Bengtsson, 1912), male imago genitalia, ventral view; Sweden: Västmanland County [65, 66]; Sweden, Närke County [67]. Scale lines = 200 µm." httpUri="https://zenodo.org/record/1441424/files/figure.png" pageId="19" pageNumber="60">Figs 65–67</figureCitation>
). It should be emphasized, that differences of Caucasian material of 
<taxonomicName id="4C094D44FFA0FFD2FB0BF96F134CF950" authority="Godunko &amp; Martynov &amp; Gattolliat, 2018" authorityName="Godunko &amp; Martynov &amp; Gattolliat" authorityYear="2018" box="[1265,1396,1752,1777]" class="Insecta" family="Baetidae" genus="Nigrobaetis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ephemeroptera" pageId="19" pageNumber="60" phylum="Arthropoda" rank="species" sensu="lato" species="digitatus">
<emphasis id="B97DEAD5FFA0FFD2FB0BF96F134CF950" box="[1265,1396,1752,1777]" italics="true" pageId="19" pageNumber="60">N. digitatus</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A24E57AEFFA0FFD2FA81F96E13A4F950" box="[1403,1436,1752,1777]" pageId="19" pageNumber="60" sensu="lato">s.l.</taxonomicNameLabel>
as well as variability of characters of this species (especially in larvae), were described and discussed in details by 
<bibRefCitation id="EF984B36FFA0FFD2FF6DF89617FAF898" box="[151,450,1824,1849]" pageId="19" pageNumber="60" refId="ref12027" refString="Novikova, E. A. &amp; Kluge, N. J. (1994) Podenki podroda Nigrobaetis (Ephemeroptera, Baetidae, Baetis Leach, 1815) [Mayflies of the subgenus Nigrobaetis (Ephemeroptera, Baetidae, Baetis Leach, 1815)]. Entomologicheskoe Obozrenie, 73 (3), 623 - 644. [in Russian, with English summary]" type="journal article">Novikova &amp; Kluge (1994)</bibRefCitation>
.
</paragraph>
<paragraph id="8BB636C7FFA0FFD2FF3DF8F212D3F820" blockId="19.[151,1437,1572,2029]" pageId="19" pageNumber="60">
The females of both species can be distinguished by the shape of posterior margin of head, markedly incised centrally in 
<taxonomicName id="4C094D44FFA0FFD2FEE6F8DF17A7F820" authorityName="Godunko &amp; Martynov &amp; Gattolliat" authorityYear="2018" box="[284,415,1896,1921]" class="Insecta" family="Baetidae" genus="Nigrobaetis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ephemeroptera" pageId="19" pageNumber="60" phylum="Arthropoda" rank="species" species="digitatus">
<emphasis id="B97DEAD5FFA0FFD2FEE6F8DF17A7F820" box="[284,415,1896,1921]" italics="true" pageId="19" pageNumber="60">N. digitatus</emphasis>
</taxonomicName>
, and nearly straight in 
<taxonomicName id="4C094D44FFA0FFD2FD5BF8DF1513F820" baseAuthorityName="Soldan &amp; Thomas" baseAuthorityYear="1983" box="[673,811,1896,1921]" class="Insecta" family="Baetidae" genus="Nigrobaetis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ephemeroptera" pageId="19" pageNumber="60" phylum="Arthropoda" rank="species" species="rhithralis">
<emphasis id="B97DEAD5FFA0FFD2FD5BF8DF1513F820" box="[673,811,1896,1921]" italics="true" pageId="19" pageNumber="60">N. rhithralis</emphasis>
</taxonomicName>
(
<figureCitation id="13322A42FFA0FFD2FCC0F8DE1583F820" box="[826,955,1896,1921]" captionStart="FIGURES 11–12" captionStartId="8.[151,264,1168,1191]" captionTargetBox="[151,1436,193,1134]" captionTargetId="figure@8.[151,1436,193,1147]" captionTargetPageId="8" captionText="FIGURES 11–12. Nigrobaetis rhithralis (Soldán &amp; Thomas, 1983), paratype, female subimago: 11.—general dorsal view; 12.—head and thorax in dorsal view. Scale lines = 1 mm [11]; 200 µm [12]." httpUri="https://zenodo.org/record/1441406/files/figure.png" pageId="19" pageNumber="60">Figs 11, 12</figureCitation>
; 
<tableCitation id="C68B037CFFA0FFD2FC3DF8DE1224F820" box="[967,1052,1896,1921]" captionStart="TABLE 1" captionStartId="23.[147,220,548,567]" captionText="TABLE 1. Morphological characters to distinguishing of Nigrobaetis rhithralis (Soldán &amp; Thomas, 1983) (Figs 1–9, 10A–B, 11–60) from N. digitatus (Bengtsson, 1912) (Figs 10C, 61–81). Distinct differential characters are marked in grey." pageId="19" pageNumber="60">Table 1</tableCitation>
: character 
<date id="FFB71007FFA0FFD2FB6CF8DF12E6F820" box="[1174,1246,1897,1921]" pageId="19" pageNumber="60">VIII.1</date>
).
</paragraph>
<paragraph id="8BB636C7FFA0FFD5FF3DF83A14A2FD9D" blockId="19.[151,1437,1572,2029]" lastBlockId="20.[151,1437,151,896]" lastPageId="20" lastPageNumber="61" pageId="19" pageNumber="60">
Larval differences between 
<taxonomicName id="4C094D44FFA0FFD2FE04F83814B0F804" baseAuthorityName="Soldan &amp; Thomas" baseAuthorityYear="1983" box="[510,648,1932,1957]" class="Insecta" family="Baetidae" genus="Nigrobaetis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ephemeroptera" pageId="19" pageNumber="60" phylum="Arthropoda" rank="species" species="rhithralis">
<emphasis id="B97DEAD5FFA0FFD2FE04F83814B0F804" box="[510,648,1932,1957]" italics="true" pageId="19" pageNumber="60">N. rhithralis</emphasis>
</taxonomicName>
and 
<taxonomicName id="4C094D44FFA0FFD2FD44F8381579F804" authorityName="Godunko &amp; Martynov &amp; Gattolliat" authorityYear="2018" box="[702,833,1932,1957]" class="Insecta" family="Baetidae" genus="Nigrobaetis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ephemeroptera" pageId="19" pageNumber="60" phylum="Arthropoda" rank="species" species="digitatus">
<emphasis id="B97DEAD5FFA0FFD2FD44F8381579F804" box="[702,833,1932,1957]" italics="true" pageId="19" pageNumber="60">N. digitatus</emphasis>
</taxonomicName>
can be found in the colour pattern of body, especially of abdominal terga (
<tableCitation id="C68B037CFFA0FFD2FE8CF80617F5F868" box="[374,461,1968,1993]" captionStart="TABLE 1" captionStartId="23.[147,220,548,567]" captionText="TABLE 1. Morphological characters to distinguishing of Nigrobaetis rhithralis (Soldán &amp; Thomas, 1983) (Figs 1–9, 10A–B, 11–60) from N. digitatus (Bengtsson, 1912) (Figs 10C, 61–81). Distinct differential characters are marked in grey." pageId="19" pageNumber="60">Table 1</tableCitation>
: characters 
<date id="FFB71007FFA0FFD2FDABF80714BCF868" box="[593,644,1969,1993]" pageId="19" pageNumber="60">IX.1</date>
, 
<date id="FFB71007FFA0FFD2FD6AF807150FF868" box="[656,823,1968,1993]" pageId="19" pageNumber="60">XI.1 and XII.1</date>
). Larval colour pattern in the specimens of 
<taxonomicName id="4C094D44FFA0FFD2FAE0F80713A4F868" authority="Godunko &amp; Martynov &amp; Gattolliat, 2018" authorityName="Godunko &amp; Martynov &amp; Gattolliat" authorityYear="2018" box="[1306,1436,1968,1993]" class="Insecta" family="Baetidae" genus="Nigrobaetis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ephemeroptera" pageId="19" pageNumber="60" phylum="Arthropoda" rank="species" sensu="lato" species="digitatus">
<emphasis id="B97DEAD5FFA0FFD2FAE0F80713A4F868" box="[1306,1436,1968,1993]" italics="true" pageId="19" pageNumber="60">N. digitatus</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A24E57AEFFA0FFD2FF6DF8621680F84C" box="[151,184,2004,2029]" pageId="19" pageNumber="60" sensu="lato">s.l.</taxonomicNameLabel>
from different territories (Ural, European part of the 
<collectingCountry id="F31E7657FFA0FFD2FCF4F86215DDF84C" box="[782,997,2004,2029]" name="Russia" pageId="19" pageNumber="60">Russian Federation</collectingCountry>
and Caucasus, 
<collectingCountry id="F31E7657FFA0FFD2FB6EF86312D0F84C" box="[1172,1256,2005,2029]" name="Cyprus" pageId="19" pageNumber="60">Cyprus</collectingCountry>
, Pontic Region) is rather variable (see also 
<bibRefCitation id="EF984B36FFA7FFD5FE3AFF2114E0FF11" box="[448,728,151,176]" pageId="20" pageNumber="61" refId="ref12027" refString="Novikova, E. A. &amp; Kluge, N. J. (1994) Podenki podroda Nigrobaetis (Ephemeroptera, Baetidae, Baetis Leach, 1815) [Mayflies of the subgenus Nigrobaetis (Ephemeroptera, Baetidae, Baetis Leach, 1815)]. Entomologicheskoe Obozrenie, 73 (3), 623 - 644. [in Russian, with English summary]" type="journal article">Novikova &amp; Kluge 1994</bibRefCitation>
). 
<bibRefCitation id="EF984B36FFA7FFD5FD11FF21120FFF11" box="[747,1079,151,176]" pageId="20" pageNumber="61" refId="ref10840" refString="Bauernfeind, E. &amp; Soldan, T. (2012) The Mayflies of Europe (Ephemeroptera). Apollo Books, Ollerup, 781 pp." type="book">Bauernfeind &amp; Soldán (2012)</bibRefCitation>
summarized information on the main colour pattern of abdominal terga I–XI of 
<taxonomicName id="4C094D44FFA7FFD5FD4BFF0B150CFF74" authority="Godunko &amp; Martynov &amp; Gattolliat, 2018" authorityName="Godunko &amp; Martynov &amp; Gattolliat" authorityYear="2018" box="[689,820,188,213]" class="Insecta" family="Baetidae" genus="Nigrobaetis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ephemeroptera" pageId="20" pageNumber="61" phylum="Arthropoda" rank="species" sensu="lato" species="digitatus">
<emphasis id="B97DEAD5FFA7FFD5FD4BFF0B150CFF74" box="[689,820,188,213]" italics="true" pageId="20" pageNumber="61">N. digitatus</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A24E57AEFFA7FFD5FCC6FF0A1564FF74" box="[828,860,188,213]" pageId="20" pageNumber="61" sensu="lato">s.l.</taxonomicNameLabel>
and proposed two 
<typeStatus id="54B28865FFA7FFD5FBC9FF0B1249FF74" box="[1075,1137,189,213]" pageId="20" pageNumber="61">types</typeStatus>
, i.e. (
<emphasis id="B97DEAD5FFA7FFD5FB4AFF0D1280FF75" bold="true" box="[1200,1208,187,212]" pageId="20" pageNumber="61">i</emphasis>
) a pair of large pale oblique spots or small dots and dashes centrally on light brown to brown background; (
<emphasis id="B97DEAD5FFA7FFD5FB6EFF69129CFF59" bold="true" box="[1172,1188,223,248]" pageId="20" pageNumber="61">ii</emphasis>
) the same pattern, in combination with predominantly pale terga IX–X [according to 
<bibRefCitation id="EF984B36FFA7FFD5FC98FEB21327FEBD" box="[866,1311,260,285]" pageId="20" pageNumber="61" refId="ref12027" refString="Novikova, E. A. &amp; Kluge, N. J. (1994) Podenki podroda Nigrobaetis (Ephemeroptera, Baetidae, Baetis Leach, 1815) [Mayflies of the subgenus Nigrobaetis (Ephemeroptera, Baetidae, Baetis Leach, 1815)]. Entomologicheskoe Obozrenie, 73 (3), 623 - 644. [in Russian, with English summary]" type="journal article">Novikova &amp; Kluge (1994: 632, fig. 3.1)</bibRefCitation>
terga I, IV, VIII–X can be lighter, without pale spots on dark background] (for details see also 
<tableCitation id="C68B037CFFA7FFD5FB85FE9112EEFEE1" box="[1151,1238,295,320]" captionStart="TABLE 1" captionStartId="23.[147,220,548,567]" captionText="TABLE 1. Morphological characters to distinguishing of Nigrobaetis rhithralis (Soldán &amp; Thomas, 1983) (Figs 1–9, 10A–B, 11–60) from N. digitatus (Bengtsson, 1912) (Figs 10C, 61–81). Distinct differential characters are marked in grey." pageId="20" pageNumber="61">Table 1</tableCitation>
). In contrast, 
<taxonomicName id="4C094D44FFA7FFD5FA78FE9F1738FEC4" baseAuthorityName="Soldan &amp; Thomas" baseAuthorityYear="1983" class="Insecta" family="Baetidae" genus="Nigrobaetis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ephemeroptera" pageId="20" pageNumber="61" phylum="Arthropoda" rank="species" species="rhithralis">
<emphasis id="B97DEAD5FFA7FFD5FA78FE9F1738FEC4" italics="true" pageId="20" pageNumber="61">N. rhithralis</emphasis>
</taxonomicName>
could be characterized by the uniform colour pattern of abdominal terga in all reinvestigated larvae and larval skins. This pattern markedly differs from that described and depicted for 
<taxonomicName id="4C094D44FFA7FFD5FBF6FEC712B6FE29" authority="Godunko &amp; Martynov &amp; Gattolliat, 2018" authorityName="Godunko &amp; Martynov &amp; Gattolliat" authorityYear="2018" box="[1036,1166,367,392]" class="Insecta" family="Baetidae" genus="Nigrobaetis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ephemeroptera" pageId="20" pageNumber="61" phylum="Arthropoda" rank="species" sensu="lato" species="digitatus">
<emphasis id="B97DEAD5FFA7FFD5FBF6FEC712B6FE29" box="[1036,1166,367,392]" italics="true" pageId="20" pageNumber="61">N. digitatus</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A24E57AEFFA7FFD5FB6FFED9128EFE29" box="[1173,1206,367,392]" pageId="20" pageNumber="61" sensu="lato">s.l.</taxonomicNameLabel>
by 
<bibRefCitation id="EF984B36FFA7FFD5FB25FED917C2FE0D" pageId="20" pageNumber="61" refId="ref11934" refString="Muller-Liebenau, I. (1969) Revision der europaischen Arten der Gattung Baetis Leach, 1815 (Insecta, Ephemeroptera). Gewasser und Abwasser, 28 / 29, 1 - 214." type="journal article">Müller-Liebenau (1969: 171–172, figs 133, 134)</bibRefCitation>
, 
<bibRefCitation id="EF984B36FFA7FFD5FDFCFE2215F6FE0D" box="[518,974,404,429]" pageId="20" pageNumber="61" refId="ref12027" refString="Novikova, E. A. &amp; Kluge, N. J. (1994) Podenki podroda Nigrobaetis (Ephemeroptera, Baetidae, Baetis Leach, 1815) [Mayflies of the subgenus Nigrobaetis (Ephemeroptera, Baetidae, Baetis Leach, 1815)]. Entomologicheskoe Obozrenie, 73 (3), 623 - 644. [in Russian, with English summary]" type="journal article">Novikova &amp; Kluge (1994: 632, fig. 3.1)</bibRefCitation>
, 
<bibRefCitation id="EF984B36FFA7FFD5FC20FE22135FFE0D" box="[986,1383,404,429]" pageId="20" pageNumber="61" refId="ref10840" refString="Bauernfeind, E. &amp; Soldan, T. (2012) The Mayflies of Europe (Ephemeroptera). Apollo Books, Ollerup, 781 pp." type="book">Bauernfeind &amp; Soldán (2012: 148)</bibRefCitation>
, and observed for the North European specimens (
<tableCitation id="C68B037CFFA7FFD5FD5BFE0114C2FE71" box="[673,762,439,464]" captionStart="TABLE 1" captionStartId="23.[147,220,548,567]" captionText="TABLE 1. Morphological characters to distinguishing of Nigrobaetis rhithralis (Soldán &amp; Thomas, 1983) (Figs 1–9, 10A–B, 11–60) from N. digitatus (Bengtsson, 1912) (Figs 10C, 61–81). Distinct differential characters are marked in grey." pageId="20" pageNumber="61">Table 1</tableCitation>
: 
<date id="FFB71007FFA7FFD5FCF3FE0E157DFE71" box="[777,837,440,464]" pageId="20" pageNumber="61">VII.1</date>
and 
<emphasis id="B97DEAD5FFA7FFD5FC7BFE0115DBFE71" box="[897,995,439,464]" italics="true" pageId="20" pageNumber="61">Remarks</emphasis>
for 
<tableCitation id="C68B037CFFA7FFD5FBECFE011252FE71" box="[1046,1130,439,464]" captionStart="TABLE 1" captionStartId="23.[147,220,548,567]" captionText="TABLE 1. Morphological characters to distinguishing of Nigrobaetis rhithralis (Soldán &amp; Thomas, 1983) (Figs 1–9, 10A–B, 11–60) from N. digitatus (Bengtsson, 1912) (Figs 10C, 61–81). Distinct differential characters are marked in grey." pageId="20" pageNumber="61">Table 1</tableCitation>
). Additionally, there is no transversal band on caudal filaments in 
<taxonomicName id="4C094D44FFA7FFD5FDAAFE6B14E1FE54" baseAuthorityName="Soldan &amp; Thomas" baseAuthorityYear="1983" box="[592,729,476,501]" class="Insecta" family="Baetidae" genus="Nigrobaetis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ephemeroptera" pageId="20" pageNumber="61" phylum="Arthropoda" rank="species" species="rhithralis">
<emphasis id="B97DEAD5FFA7FFD5FDAAFE6B14E1FE54" box="[592,729,476,501]" italics="true" pageId="20" pageNumber="61">N. rhithralis</emphasis>
</taxonomicName>
, in contrast to more or less visible, relatively narrow band in 
<taxonomicName id="4C094D44FFA7FFD5FA78FE6B16C1FDB9" authority="Godunko &amp; Martynov &amp; Gattolliat, 2018" authorityName="Godunko &amp; Martynov &amp; Gattolliat" authorityYear="2018" class="Insecta" family="Baetidae" genus="Nigrobaetis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ephemeroptera" pageId="20" pageNumber="61" phylum="Arthropoda" rank="species" sensu="lato" species="digitatus">
<emphasis id="B97DEAD5FFA7FFD5FA78FE6B16C1FDB9" italics="true" pageId="20" pageNumber="61">N. digitatus</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A24E57AEFFA7FFD5FEFAFE491719FDB9" box="[256,289,511,536]" pageId="20" pageNumber="61" sensu="lato">s.l.</taxonomicNameLabel>
(
<tableCitation id="C68B037CFFA7FFD5FECAFE4917BFFDB9" box="[304,391,511,536]" captionStart="TABLE 1" captionStartId="23.[147,220,548,567]" captionText="TABLE 1. Morphological characters to distinguishing of Nigrobaetis rhithralis (Soldán &amp; Thomas, 1983) (Figs 1–9, 10A–B, 11–60) from N. digitatus (Bengtsson, 1912) (Figs 10C, 61–81). Distinct differential characters are marked in grey." pageId="20" pageNumber="61">Table 1</tableCitation>
: character 
<date id="FFB71007FFA7FFD5FDF9FDB61469FDB9" box="[515,593,512,536]" pageId="20" pageNumber="61" value="1920-12">XII.20</date>
). Both species are also well distinguishable by the colouration of head and pronotum (
<tableCitation id="C68B037CFFA7FFD5FEE8FD921751FD9D" box="[274,361,548,573]" captionStart="TABLE 1" captionStartId="23.[147,220,548,567]" captionText="TABLE 1. Morphological characters to distinguishing of Nigrobaetis rhithralis (Soldán &amp; Thomas, 1983) (Figs 1–9, 10A–B, 11–60) from N. digitatus (Bengtsson, 1912) (Figs 10C, 61–81). Distinct differential characters are marked in grey." pageId="20" pageNumber="61">Table 1</tableCitation>
: characters 
<date id="FFB71007FFA7FFD5FE14FD9214B5FD9D" box="[494,653,548,573]" pageId="20" pageNumber="61">IX.1 and XI.1</date>
).
</paragraph>
<paragraph id="8BB636C7FFA7FFD5FF3DFDF117A6FC21" blockId="20.[151,1437,151,896]" pageId="20" pageNumber="61">
<taxonomicName id="4C094D44FFA7FFD5FF3DFDF11785FDC1" baseAuthorityName="Soldan &amp; Thomas" baseAuthorityYear="1983" box="[199,445,583,608]" class="Insecta" family="Baetidae" genus="Nigrobaetis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ephemeroptera" pageId="20" pageNumber="61" phylum="Arthropoda" rank="species" species="rhithralis">
<emphasis id="B97DEAD5FFA7FFD5FF3DFDF11785FDC1" box="[199,445,583,608]" italics="true" pageId="20" pageNumber="61">Nigrobaetis rhithralis</emphasis>
</taxonomicName>
and 
<taxonomicName id="4C094D44FFA7FFD5FE02FDFF1446FDC1" authorityName="Godunko &amp; Martynov &amp; Gattolliat" authorityYear="2018" box="[504,638,583,608]" class="Insecta" family="Baetidae" genus="Nigrobaetis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ephemeroptera" pageId="20" pageNumber="61" phylum="Arthropoda" rank="species" species="digitatus">
<emphasis id="B97DEAD5FFA7FFD5FE02FDFF1446FDC1" box="[504,638,583,608]" italics="true" pageId="20" pageNumber="61">N. digitatus</emphasis>
</taxonomicName>
present similar setation of the body surface. However, the surface of antennae is more densely covered by setae and scales in 
<taxonomicName id="4C094D44FFA7FFD5FCDBFDDB1595FD24" baseAuthorityName="Soldan &amp; Thomas" baseAuthorityYear="1983" box="[801,941,620,645]" class="Insecta" family="Baetidae" genus="Nigrobaetis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ephemeroptera" pageId="20" pageNumber="61" phylum="Arthropoda" rank="species" species="rhithralis">
<emphasis id="B97DEAD5FFA7FFD5FCDBFDDB1595FD24" box="[801,941,620,645]" italics="true" pageId="20" pageNumber="61">N. rhithralis</emphasis>
</taxonomicName>
(
<figureCitation id="13322A42FFA7FFD5FC44FDDA122EFD25" box="[958,1046,620,645]" captionStart="FIGURES 49–54" captionStartId="15.[151,264,1761,1784]" captionTargetBox="[151,1436,373,1741]" captionTargetId="figure@15.[151,1436,373,1741]" captionTargetPageId="15" captionText="FIGURES 49–54. Nigrobaetis rhithralis (Soldán &amp; Thomas, 1983), paratypes, larvae: 49.—scape and pedicel; 50.—shape of frontal suture; 51.—surface of tergum V; 52.—posterior margin and surface of tergum V; 53.—posterior margin and surface of tergum VIII; 54.—caudal filament segments. Scale lines = 10 µm [49, 51–54]; 100 µm [50]." httpUri="https://zenodo.org/record/1441418/files/figure.png" pageId="20" pageNumber="61">Figs 49</figureCitation>
, 
<figureCitation id="13322A42FFA7FFD5FBDEFDDA127BFD24" box="[1060,1091,620,645]" captionStart="FIGURES 68–71" captionStartId="19.[151,264,1480,1503]" captionTargetBox="[151,1436,481,1459]" captionTargetId="figure@19.[151,1436,481,1459]" captionTargetPageId="19" captionText="FIGURES 68–71. Nigrobaetis digitatus (Bengtsson, 1912), larvae; Sweden: 68.—scape and pedicel; 69.—flagellar segments; 70.—shape of frontal suture; 71.—labrum, details. Scale lines = 20 µm [70]; 10 µm [68, 69, 71]." httpUri="https://zenodo.org/record/1441426/files/figure.png" pageId="20" pageNumber="61">68</figureCitation>
; 
<tableCitation id="C68B037CFFA7FFD5FBAAFDDA129FFD25" box="[1104,1191,620,645]" captionStart="TABLE 1" captionStartId="23.[147,220,548,567]" captionText="TABLE 1. Morphological characters to distinguishing of Nigrobaetis rhithralis (Soldán &amp; Thomas, 1983) (Figs 1–9, 10A–B, 11–60) from N. digitatus (Bengtsson, 1912) (Figs 10C, 61–81). Distinct differential characters are marked in grey." pageId="20" pageNumber="61">Table 1</tableCitation>
: character 
<date id="FFB71007FFA7FFD5FADFFDDA1363FD25" box="[1317,1371,620,644]" pageId="20" pageNumber="61">IX.2</date>
). The posterior margin of flagellar segment in this species is densely covered by relatively slender spines, in contrast to more robust spines in 
<taxonomicName id="4C094D44FFA7FFD5FE54FD031401FD6C" authorityName="Godunko &amp; Martynov &amp; Gattolliat" authorityYear="2018" box="[430,569,692,717]" class="Insecta" family="Baetidae" genus="Nigrobaetis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ephemeroptera" pageId="20" pageNumber="61" phylum="Arthropoda" rank="species" species="digitatus">
<emphasis id="B97DEAD5FFA7FFD5FE54FD031401FD6C" box="[430,569,692,717]" italics="true" pageId="20" pageNumber="61">N. digitatus</emphasis>
</taxonomicName>
with different grouping of setae (
<figureCitation id="13322A42FFA7FFD5FC1BFD021278FD6D" box="[993,1088,692,717]" captionStart="FIGURES 26–35" captionStartId="12.[151,264,1793,1816]" captionTargetBox="[151,1421,213,1750]" captionTargetId="figure@12.[151,1436,193,1772]" captionTargetPageId="12" captionText="FIGURES 26–35. Nigrobaetis rhithralis (Soldán &amp; Thomas, 1983), paratypes, larvae: 26.—outer margin of femur; 27.—hind leg; 28.—pretarsal claw; 29.—flagellar segments; 30–31.—shapes of jagged setae; 32–35.—petal-shaped scales. Without scale lines." httpUri="https://zenodo.org/record/1441412/files/figure.png" pageId="20" pageNumber="61">Figs 29</figureCitation>
, 
<figureCitation id="13322A42FFA7FFD5FBAEFD02124BFD6C" box="[1108,1139,692,717]" captionStart="FIGURES 68–71" captionStartId="19.[151,264,1480,1503]" captionTargetBox="[151,1436,481,1459]" captionTargetId="figure@19.[151,1436,481,1459]" captionTargetPageId="19" captionText="FIGURES 68–71. Nigrobaetis digitatus (Bengtsson, 1912), larvae; Sweden: 68.—scape and pedicel; 69.—flagellar segments; 70.—shape of frontal suture; 71.—labrum, details. Scale lines = 20 µm [70]; 10 µm [68, 69, 71]." httpUri="https://zenodo.org/record/1441426/files/figure.png" pageId="20" pageNumber="61">69</figureCitation>
; tabular character 
<date id="FFB71007FFA7FFD5FAA3FD0213A8FD6D" box="[1369,1424,692,716]" pageId="20" pageNumber="61">IX.4</date>
). Additionally, we observed a significant concentration of 
<emphasis id="B97DEAD5FFA7FFD5FCF5FD6E1563FD4E" box="[783,859,728,751]" italics="true" pageId="20" pageNumber="61">SC-pet</emphasis>
setae on the surface of legs (especially femora) and on abdominal terga in 
<taxonomicName id="4C094D44FFA7FFD5FE61FD4B141FFCB4" baseAuthorityName="Soldan &amp; Thomas" baseAuthorityYear="1983" box="[411,551,764,789]" class="Insecta" family="Baetidae" genus="Nigrobaetis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ephemeroptera" pageId="20" pageNumber="61" phylum="Arthropoda" rank="species" species="rhithralis">
<emphasis id="B97DEAD5FFA7FFD5FE61FD4B141FFCB4" box="[411,551,764,789]" italics="true" pageId="20" pageNumber="61">N. rhithralis</emphasis>
</taxonomicName>
, in contrast to dominance of scale sockets in most specimens of 
<taxonomicName id="4C094D44FFA7FFD5FAEDFD4B13A4FCB4" authorityName="Godunko &amp; Martynov &amp; Gattolliat" authorityYear="2018" box="[1303,1436,764,789]" class="Insecta" family="Baetidae" genus="Nigrobaetis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ephemeroptera" pageId="20" pageNumber="61" phylum="Arthropoda" rank="species" species="digitatus">
<emphasis id="B97DEAD5FFA7FFD5FAEDFD4B13A4FCB4" box="[1303,1436,764,789]" italics="true" pageId="20" pageNumber="61">N. digitatus</emphasis>
</taxonomicName>
(
<tableCitation id="C68B037CFFA7FFD5FF64FCA916CFFC99" box="[158,247,799,824]" captionStart="TABLE 1" captionStartId="23.[147,220,548,567]" captionText="TABLE 1. Morphological characters to distinguishing of Nigrobaetis rhithralis (Soldán &amp; Thomas, 1983) (Figs 1–9, 10A–B, 11–60) from N. digitatus (Bengtsson, 1912) (Figs 10C, 61–81). Distinct differential characters are marked in grey." pageId="20" pageNumber="61">Table 1</tableCitation>
: character 
<date id="FFB71007FFA7FFD5FE8FFC96178DFC99" box="[373,437,800,824]" pageId="20" pageNumber="61">XII.2</date>
). Both species also differ in the shape of posterior margin of abdominal terga (
<tableCitation id="C68B037CFFA7FFD5FAC4FCA913AEFC99" box="[1342,1430,799,824]" captionStart="TABLE 1" captionStartId="23.[147,220,548,567]" captionText="TABLE 1. Morphological characters to distinguishing of Nigrobaetis rhithralis (Soldán &amp; Thomas, 1983) (Figs 1–9, 10A–B, 11–60) from N. digitatus (Bengtsson, 1912) (Figs 10C, 61–81). Distinct differential characters are marked in grey." pageId="20" pageNumber="61">Table 1</tableCitation>
: characters 
<date id="FFB71007FFA7FFD5FEF5FCF21751FCFC" box="[271,361,836,861]" pageId="20" pageNumber="61">XII.3–5</date>
), i.e. by the shape and arrangement of marginal spines (
<figureCitation id="13322A42FFA7FFD5FC2FFCF21213FCFC" box="[981,1067,836,861]" captionStart="FIGURES 49–54" captionStartId="15.[151,264,1761,1784]" captionTargetBox="[151,1436,373,1741]" captionTargetId="figure@15.[151,1436,373,1741]" captionTargetPageId="15" captionText="FIGURES 49–54. Nigrobaetis rhithralis (Soldán &amp; Thomas, 1983), paratypes, larvae: 49.—scape and pedicel; 50.—shape of frontal suture; 51.—surface of tergum V; 52.—posterior margin and surface of tergum V; 53.—posterior margin and surface of tergum VIII; 54.—caudal filament segments. Scale lines = 10 µm [49, 51–54]; 100 µm [50]." httpUri="https://zenodo.org/record/1441418/files/figure.png" pageId="20" pageNumber="61">Figs 52</figureCitation>
, 
<figureCitation id="13322A42FFA7FFD5FBCDFCF21245FCFC" box="[1079,1149,836,861]" captionStart="FIGURES 55–60" captionStartId="16.[151,264,1963,1986]" captionTargetBox="[193,1395,200,1923]" captionTargetId="figure@16.[189,1398,193,1942]" captionTargetPageId="16" captionText="FIGURES 55–60. Nigrobaetis rhithralis (Soldán &amp; Thomas, 1983), paratypes, larvae, abdominal terga: 55.—II; 56.—IV; 57.—VI; 58.—VIII; 59.—X; 60—paraproct. Without scale lines; roman numbers indicate respective abdominal segments." httpUri="https://zenodo.org/record/1441420/files/figure.png" pageId="20" pageNumber="61">55–59</figureCitation>
for 
<taxonomicName id="4C094D44FFA7FFD5FB50FCF3130CFCFC" baseAuthorityName="Soldan &amp; Thomas" baseAuthorityYear="1983" box="[1194,1332,836,861]" class="Insecta" family="Baetidae" genus="Nigrobaetis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ephemeroptera" pageId="20" pageNumber="61" phylum="Arthropoda" rank="species" species="rhithralis">
<emphasis id="B97DEAD5FFA7FFD5FB50FCF3130CFCFC" box="[1194,1332,836,861]" italics="true" pageId="20" pageNumber="61">N. rhithralis</emphasis>
</taxonomicName>
; 
<figureCitation id="13322A42FFA7FFD5FAB8FCF213AFFCFC" box="[1346,1431,836,861]" captionStart="FIGURES 72–75" captionStartId="20.[151,264,1887,1910]" captionTargetBox="[151,1436,949,1848]" captionTargetId="figure@20.[151,1436,949,1866]" captionTargetPageId="20" captionText="FIGURES 72–75. Nigrobaetis digitatus (Bengtsson, 1912), larvae; Sweden: 72.—labium, ventral view; 73.—labium, general ventral view; 74.—surface of metafemora, centrally, dorsal view; 75.—posterior margin and surface of tergum I. Scale lines = 10 µm [72, 74,75]; 100 µm [73]." httpUri="https://zenodo.org/record/1441428/files/figure.png" pageId="20" pageNumber="61">Figs 75</figureCitation>
, 
<figureCitation id="13322A42FFA7FFD5FF6DFCDE16E5FC21" box="[151,221,872,896]" captionStart="FIGURES 76–81" captionStartId="21.[151,264,1655,1678]" captionTargetBox="[151,1436,193,1633]" captionTargetId="figure@21.[151,1436,193,1634]" captionTargetPageId="21" captionText="FIGURES 76–81. Nigrobaetis digitatus (Bengtsson, 1912), larvae; Sweden: 76.—surface of tergum V; 77.—surface of tergum VIII; 78.—posterior margin and surface of tergum V; 79.—posterior margin and surface of tergum VIII; 80.—inner margin and surface of paraproct; 81.—caudal filament segments. Scale lines = 10 µm." httpUri="https://zenodo.org/record/1441430/files/figure.png" pageId="20" pageNumber="61">78, 79</figureCitation>
for 
<taxonomicName id="4C094D44FFA7FFD5FEF6FCDF17B6FC21" authorityName="Godunko &amp; Martynov &amp; Gattolliat" authorityYear="2018" box="[268,398,871,896]" class="Insecta" family="Baetidae" genus="Nigrobaetis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ephemeroptera" pageId="20" pageNumber="61" phylum="Arthropoda" rank="species" species="digitatus">
<emphasis id="B97DEAD5FFA7FFD5FEF6FCDF17B6FC21" box="[268,398,871,896]" italics="true" pageId="20" pageNumber="61">N. digitatus</emphasis>
</taxonomicName>
).
</paragraph>
<caption id="DF76664FFFA7FFD5FF6DF8E917DAF812" httpUri="https://zenodo.org/record/1441428/files/figure.png" pageId="20" pageNumber="61" startId="20.[151,264,1887,1910]" targetBox="[151,1436,949,1848]" targetPageId="20">
<paragraph id="8BB636C7FFA7FFD5FF6DF8E917DAF812" blockId="20.[151,1436,1887,1971]" pageId="20" pageNumber="61">
<emphasis id="B97DEAD5FFA7FFD5FF6DF8E9176DF8D5" bold="true" box="[151,341,1887,1910]" pageId="20" pageNumber="61">FIGURES 72–75.</emphasis>
<taxonomicName id="4C094D44FFA7FFD5FEA1F8E914CDF8D4" authority="(Bengtsson, 1912)" authorityName="Bengtsson" authorityYear="1912" baseAuthorityName="Bengtsson" baseAuthorityYear="1912" box="[347,757,1887,1909]" class="Insecta" family="Baetidae" genus="Nigrobaetis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ephemeroptera" pageId="20" pageNumber="61" phylum="Arthropoda" rank="species" species="digitatus">
<emphasis id="B97DEAD5FFA7FFD5FEA1F8E9140AF8D4" box="[347,562,1887,1909]" italics="true" pageId="20" pageNumber="61">Nigrobaetis digitatus</emphasis>
(Bengtsson, 1912)
</taxonomicName>
, larvae; Sweden: 72.—labium, ventral view; 73.—labium, general ventral view; 74.—surface of metafemora, centrally, dorsal view; 75.—posterior margin and surface of tergum I. Scale lines = 10 µm [72, 74,75]; 100 µm [73].
</paragraph>
</caption>
<caption id="DF76664FFFA6FFD4FF6DF9C115BEF96A" httpUri="https://zenodo.org/record/1441430/files/figure.png" pageId="21" pageNumber="62" startId="21.[151,264,1655,1678]" targetBox="[151,1436,193,1633]" targetPageId="21">
<paragraph id="8BB636C7FFA6FFD4FF6DF9C115BEF96A" blockId="21.[151,1436,1655,1739]" pageId="21" pageNumber="62">
<emphasis id="B97DEAD5FFA6FFD4FF6DF9C1176BF92C" bold="true" box="[151,339,1655,1678]" pageId="21" pageNumber="62">FIGURES 76–81.</emphasis>
<taxonomicName id="4C094D44FFA6FFD4FEA3F9CE14C8F92F" authority="(Bengtsson, 1912)" authorityName="Bengtsson" authorityYear="1912" baseAuthorityName="Bengtsson" baseAuthorityYear="1912" box="[345,752,1656,1678]" class="Insecta" family="Baetidae" genus="Nigrobaetis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ephemeroptera" pageId="21" pageNumber="62" phylum="Arthropoda" rank="species" species="digitatus">
<emphasis id="B97DEAD5FFA6FFD4FEA3F9CE1416F92F" box="[345,558,1656,1678]" italics="true" pageId="21" pageNumber="62">Nigrobaetis digitatus</emphasis>
(Bengtsson, 1912)
</taxonomicName>
, larvae; Sweden: 76.—surface of tergum V; 77.—surface of tergum VIII; 78.—posterior margin and surface of tergum V; 79.—posterior margin and surface of tergum VIII; 80.—inner margin and surface of paraproct; 81.—caudal filament segments. Scale lines = 10 µm.
</paragraph>
</caption>
<paragraph id="8BB636C7FFA6FFD4FF3DF8AA16FBF849" blockId="21.[151,1436,1820,2024]" pageId="21" pageNumber="62">
Setation of the legs differs only by the number of pointed stout setae with jagged sides along outer margin of femora, and can be used for the delimitation of both discussed species (
<tableCitation id="C68B037CFFA6FFD4FC1CF8891279F8F9" box="[998,1089,1855,1880]" captionStart="TABLE 1" captionStartId="23.[147,220,548,567]" captionText="TABLE 1. Morphological characters to distinguishing of Nigrobaetis rhithralis (Soldán &amp; Thomas, 1983) (Figs 1–9, 10A–B, 11–60) from N. digitatus (Bengtsson, 1912) (Figs 10C, 61–81). Distinct differential characters are marked in grey." pageId="21" pageNumber="62">Table 1</tableCitation>
: character 
<date id="FFB71007FFA6FFD4FB3EF88912C2F8F9" box="[1220,1274,1855,1880]" pageId="21" pageNumber="62">XI.6</date>
). Quantitative values of other characters (
<tableCitation id="C68B037CFFA6FFD4FE32F8D21427F8DD" box="[456,543,1892,1917]" captionStart="TABLE 1" captionStartId="23.[147,220,548,567]" captionText="TABLE 1. Morphological characters to distinguishing of Nigrobaetis rhithralis (Soldán &amp; Thomas, 1983) (Figs 1–9, 10A–B, 11–60) from N. digitatus (Bengtsson, 1912) (Figs 10C, 61–81). Distinct differential characters are marked in grey." pageId="21" pageNumber="62">Table 1</tableCitation>
: 
<date id="FFB71007FFA6FFD4FDD7F8D214B1F8DD" box="[557,649,1892,1916]" pageId="21" pageNumber="62" value="2011-11-07">XI.7–11</date>
) significantly vary in both species and are mostly overlapping. There are no clear differences in mouthpart structures between the two species, larvae of 
<taxonomicName id="4C094D44FFA6FFD4FBC2F83F12FBF801" baseAuthorityName="Soldan &amp; Thomas" baseAuthorityYear="1983" box="[1080,1219,1927,1952]" class="Insecta" family="Baetidae" genus="Nigrobaetis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ephemeroptera" pageId="21" pageNumber="62" phylum="Arthropoda" rank="species" species="rhithralis">
<emphasis id="B97DEAD5FFA6FFD4FBC2F83F12FBF801" box="[1080,1219,1927,1952]" italics="true" pageId="21" pageNumber="62">N. rhithralis</emphasis>
</taxonomicName>
only slightly differ from larvae of 
<taxonomicName id="4C094D44FFA6FFD4FEB9F81B17FFF864" baseAuthorityName="Bengtsson" baseAuthorityYear="1912" box="[323,455,1964,1989]" class="Insecta" family="Baetidae" genus="Nigrobaetis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ephemeroptera" pageId="21" pageNumber="62" phylum="Arthropoda" rank="species" species="digitatus">
<emphasis id="B97DEAD5FFA6FFD4FEB9F81B17FFF864" box="[323,455,1964,1989]" italics="true" pageId="21" pageNumber="62">N. digitatus</emphasis>
</taxonomicName>
by some features in mandibles, glossa and paraglossa (
<tableCitation id="C68B037CFFA6FFD4FBBBF81A12A2F865" box="[1089,1178,1964,1989]" captionStart="TABLE 1" captionStartId="23.[147,220,548,567]" captionText="TABLE 1. Morphological characters to distinguishing of Nigrobaetis rhithralis (Soldán &amp; Thomas, 1983) (Figs 1–9, 10A–B, 11–60) from N. digitatus (Bengtsson, 1912) (Figs 10C, 61–81). Distinct differential characters are marked in grey." pageId="21" pageNumber="62">Table 1</tableCitation>
: characters 
<date id="FFB71007FFA6FFD4FAD8F81A1376F864" box="[1314,1358,1964,1989]" pageId="21" pageNumber="62">X.5</date>
, 6, 14, 15).
</paragraph>
<caption id="DF76664FFFA5FFD7FF6DF8EA1735F816" httpUri="https://zenodo.org/record/1441432/files/figure.png" pageId="22" pageNumber="63" startId="22.[151,264,1884,1907]" targetBox="[151,1436,193,1857]" targetPageId="22">
<paragraph id="8BB636C7FFA5FFD7FF6DF8EA1735F816" blockId="22.[151,1436,1884,1975]" pageId="22" pageNumber="63">
<emphasis id="B97DEAD5FFA5FFD7FF6DF8EA176CF8D3" bold="true" box="[151,340,1884,1907]" pageId="22" pageNumber="63">FIGURES 82–83.</emphasis>
Chiffa River near Camp des Chênes (Gorge de la Chiffa, Wilaya de Blida, Algeria); within type locality of 
<taxonomicName id="4C094D44FFA5FFD7FF6DF8C814A7F835" authority="(Soldan &amp; Thomas, 1983)" authorityName="Soldan &amp; Thomas" authorityYear="1983" baseAuthorityName="Soldan &amp; Thomas" baseAuthorityYear="1983" box="[151,671,1918,1940]" class="Insecta" family="Baetidae" genus="Nigrobaetis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ephemeroptera" pageId="22" pageNumber="63" phylum="Arthropoda" rank="species" species="rhithralis">
<emphasis id="B97DEAD5FFA5FFD7FF6DF8C81740F835" box="[151,376,1918,1940]" italics="true" pageId="22" pageNumber="63">Nigrobaetis rhithralis</emphasis>
(Soldán &amp; Thomas, 1983)
</taxonomicName>
; approximately 260–270 m a.s.l. (September, 2014; photos by Talakhir Mohamed).
</paragraph>
</caption>
<caption id="DF76664FFFA4FFD6FF69FD9217C5FDF1" pageId="23" pageNumber="64">
<paragraph id="8BB636C7FFA4FFD6FF69FD9217C5FDF1" blockId="23.[147,1855,548,592]" pageId="23" pageNumber="64">
<emphasis id="B97DEAD5FFA4FFD6FF69FD9216CAFD96" bold="true" box="[147,242,548,567]" pageId="23" pageNumber="64">TABLE 1.</emphasis>
Morphological characters to distinguishing of 
<taxonomicName id="4C094D44FFA4FFD6FD7CFD921210FD96" authority="(Soldan &amp; Thomas, 1983)" authorityName="Soldan &amp; Thomas" authorityYear="1983" baseAuthorityName="Soldan &amp; Thomas" baseAuthorityYear="1983" box="[646,1064,548,567]" class="Insecta" family="Baetidae" genus="Nigrobaetis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ephemeroptera" pageId="23" pageNumber="64" phylum="Arthropoda" rank="species" species="rhithralis">
<emphasis id="B97DEAD5FFA4FFD6FD7CFD92157BFD96" box="[646,835,548,567]" italics="true" pageId="23" pageNumber="64">Nigrobaetis rhithralis</emphasis>
(Soldán &amp; Thomas, 1983)
</taxonomicName>
(Figs 1–9, 10A–B, 11–60) from 
<taxonomicName id="4C094D44FFA4FFD6FABFFD921075FD96" authority="(Bengtsson, 1912)" authorityName="Bengtsson" authorityYear="1912" baseAuthorityName="Bengtsson" baseAuthorityYear="1912" box="[1349,1613,548,567]" class="Insecta" family="Baetidae" genus="Nigrobaetis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ephemeroptera" pageId="23" pageNumber="64" phylum="Arthropoda" rank="species" species="digitatus">
<emphasis id="B97DEAD5FFA4FFD6FABFFD92136BFD96" box="[1349,1363,548,567]" italics="true" pageId="23" pageNumber="64">N</emphasis>
. 
<emphasis id="B97DEAD5FFA4FFD6FAA4FD921391FD96" box="[1374,1449,548,567]" italics="true" pageId="23" pageNumber="64">digitatus</emphasis>
(Bengtsson, 1912)
</taxonomicName>
(Figs 10C, 61–81). Distinct differential characters are marked in grey.
</paragraph>
</caption>
<paragraph id="8BB636C7FFA4FFD6FF6CFD3F1348F9FA" pageId="23" pageNumber="64">
<table id="F909C467FFA4003EFF69FDC61167F9FA" box="[147,1887,624,1627]" colsContinueIn="24.[147,1886,561,1651]" gridcols="4" gridrows="24" pageId="23" pageNumber="64">
<tr id="35393485FFA4003EFF69FDC61167FD14" box="[147,1887,624,693]" gridrow="0" pageId="23" pageNumber="64">
<th id="76E85DF9FFA4003EFF69FDC61697FD14" box="[147,175,624,693]" gridcol="0" gridrow="0" pageId="23" pageNumber="64">N°</th>
<th id="76E85DF9FFA4003EFF36FDC614DEFD14" box="[204,742,624,693]" gridcol="1" gridrow="0" pageId="23" pageNumber="64">
Characters [
<emphasis id="B97DEAD5FFA4FFD6FE9AFD23146DFD09" box="[352,597,661,680]" italics="true" pageId="23" pageNumber="64">remarks; references; figures</emphasis>
]
</th>
<th id="76E85DF9FFA4003EFCF9FDC61338FD14" box="[771,1280,624,693]" gridcol="2" gridrow="0" pageId="23" pageNumber="64">
<taxonomicName id="4C094D44FFA4FFD6FC43FDC612BEFD3D" authority="(Soldan &amp; Thomas, 1983)" authorityName="Soldan &amp; Thomas" authorityYear="1983" baseAuthorityName="Soldan &amp; Thomas" baseAuthorityYear="1983" class="Insecta" family="Baetidae" genus="Nigrobaetis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ephemeroptera" pageId="23" pageNumber="64" phylum="Arthropoda" rank="species" species="rhithralis">
<emphasis id="B97DEAD5FFA4FFD6FC43FDC6124DFD22" box="[953,1141,624,643]" italics="true" pageId="23" pageNumber="64">Nigrobaetis rhithralis</emphasis>
(Soldán &amp; Thomas, 1983)
</taxonomicName>
; type material
</th>
<th id="76E85DF9FFA4003EFABFFDC61167FD14" box="[1349,1887,624,693]" gridcol="3" gridrow="0" pageId="23" pageNumber="64">
<taxonomicName id="4C094D44FFA4FFD6FA02FDC6109AFD3D" authority="(Bengtsson, 1912)" authorityName="Bengtsson" authorityYear="1912" baseAuthorityName="Bengtsson" baseAuthorityYear="1912" class="Insecta" family="Baetidae" genus="Nigrobaetis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ephemeroptera" pageId="23" pageNumber="64" phylum="Arthropoda" rank="species" species="digitatus">
<emphasis id="B97DEAD5FFA4FFD6FA02FDC61097FD22" box="[1528,1711,624,643]" italics="true" pageId="23" pageNumber="64">Nigrobaetis digitatus</emphasis>
(Bengtsson, 1912)
</taxonomicName>
; Scandinavian Peninsula
</th>
</tr>
<tr id="35393485FFA4003EFF69FD0A1167FD6E" box="[147,1887,700,719]" gridrow="1" pageId="23" pageNumber="64" rowspan-2="1" rowspan-3="1">
<th id="76E85DF9FFA4003EFF69FD0A14DEFD6E" box="[147,742,700,719]" colspan="2" colspanRight="1" gridcol="0" gridrow="1" pageId="23" pageNumber="64">
<emphasis id="B97DEAD5FFA4FFD6FF69FD0A16C5FD6E" bold="true" box="[147,253,700,719]" italics="true" pageId="23" pageNumber="64">Male imago</emphasis>
</th>
</tr>
<tr id="35393485FFA4003EFF69FD681167FD50" box="[147,1887,734,753]" gridrow="2" pageId="23" pageNumber="64">
<th id="76E85DF9FFA4003EFF69FD681167FD50" box="[147,1887,734,753]" colspan="4" colspanRight="3" gridcol="0" gridrow="2" pageId="23" pageNumber="64">
I. 
<emphasis id="B97DEAD5FFA4FFD6FF5FFD6817A6FD50" box="[165,414,734,753]" italics="true" pageId="23" pageNumber="64">Head (turbinate eyes colour)</emphasis>
</th>
</tr>
<tr id="35393485FFA4003EFF69FD4D1167FCB2" box="[147,1887,763,787]" gridrow="3" pageId="23" pageNumber="64">
<th id="76E85DF9FFA4003EFF69FD4D1697FCB2" box="[147,175,763,787]" gridcol="0" gridrow="3" pageId="23" pageNumber="64">1</th>
<td id="76E85DF9FFA4003EFF36FD4D14DEFCB2" box="[204,742,763,787]" gridcol="1" gridrow="3" pageId="23" pageNumber="64">Faceted surface: colour (1)</td>
<td id="76E85DF9FFA4003EFCF9FD4D1338FCB2" box="[771,1280,763,787]" gridcol="2" gridrow="3" pageId="23" pageNumber="64">
intensively dark orange (
<emphasis id="B97DEAD5FFA4FFD6FC2DFD4A15D8FCA9" box="[983,992,764,776]" italics="true" pageId="23" pageNumber="64">A</emphasis>
)
</td>
<td id="76E85DF9FFA4003EFABFFD4D1167FCB2" box="[1349,1887,763,787]" gridcol="3" gridrow="3" pageId="23" pageNumber="64">
dirty yellowish-brown to reddish-brown and blood-red (
<emphasis id="B97DEAD5FFA4FFD6F8DCFD4A1117FCA9" box="[1830,1839,764,776]" italics="true" pageId="23" pageNumber="64">B</emphasis>
)
</td>
</tr>
<tr id="35393485FFA4003EFF69FCAB1167FCEF" box="[147,1887,797,846]" gridrow="4" pageId="23" pageNumber="64">
<th id="76E85DF9FFA4003EFF69FCAB1697FCEF" box="[147,175,797,846]" gridcol="0" gridrow="4" pageId="23" pageNumber="64">2</th>
<td id="76E85DF9FFA4003EFF36FCAB14DEFCEF" box="[204,742,797,846]" gridcol="1" gridrow="4" pageId="23" pageNumber="64">Shaft of turbinate eyes: colour (1)</td>
<td id="76E85DF9FFA4003EFCF9FCAB1338FCEF" box="[771,1280,797,846]" gridcol="2" gridrow="4" pageId="23" pageNumber="64">
broad paler ring apically and dark brown ring basally (
<emphasis id="B97DEAD5FFA4FFD6FB2DFCA812D8FC8B" box="[1239,1248,798,810]" italics="true" pageId="23" pageNumber="64">A</emphasis>
)
</td>
<td id="76E85DF9FFA4003EFABFFCAB1167FCEF" box="[1349,1887,797,846]" gridcol="3" gridrow="4" pageId="23" pageNumber="64">
unicolorous light brown to dirty reddish-brown and blood-red, no rings (
<emphasis id="B97DEAD5FFA4FFD6FA6CFC8113A7FCE2" box="[1430,1439,823,835]" italics="true" pageId="23" pageNumber="64">B</emphasis>
)
</td>
</tr>
<tr id="35393485FFA4003EFF69FCE21167FCC6" box="[147,1887,852,871]" gridrow="5" pageId="23" pageNumber="64" rowspan-2="1" rowspan-3="1">
<th id="76E85DF9FFA4003EFF69FCE214DEFCC6" box="[147,742,852,871]" colspan="2" colspanRight="1" gridcol="0" gridrow="5" pageId="23" pageNumber="64">
II. 
<emphasis id="B97DEAD5FFA4FFD6FF56FCE217A7FCC6" box="[172,415,852,871]" italics="true" pageId="23" pageNumber="64">Head (turbinate eyes shape)</emphasis>
</th>
</tr>
<tr id="35393485FFA4003EFF69FCC01167FC1A" box="[147,1887,886,955]" gridrow="6" pageId="23" pageNumber="64">
<th id="76E85DF9FFA4003EFF69FCC01697FC1A" box="[147,175,886,955]" gridcol="0" gridrow="6" pageId="23" pageNumber="64">1</th>
<td id="76E85DF9FFA4003EFF36FCC014DEFC1A" box="[204,742,886,955]" gridcol="1" gridrow="6" pageId="23" pageNumber="64">Faceted surface: shape (see also III.1–4) Figs 5, 62, 64</td>
<td id="76E85DF9FFA4003EFCF9FCC01338FC1A" box="[771,1280,886,955]" gridcol="2" gridrow="6" pageId="23" pageNumber="64">weakly ellipsoidal, slightly asymmetrical</td>
<td id="76E85DF9FFA4003EFABFFCC01167FC1A" box="[1349,1887,886,955]" gridcol="3" gridrow="6" pageId="23" pageNumber="64">ellipsoidal, distinctly asymmetrical</td>
</tr>
<tr id="35393485FFA4003EFF69FC771167FBA4" box="[147,1887,961,1029]" gridrow="7" pageId="23" pageNumber="64">
<th id="76E85DF9FFA4003EFF69FC771697FBA4" box="[147,175,961,1029]" gridcol="0" gridrow="7" pageId="23" pageNumber="64">2</th>
<td id="76E85DF9FFA4003EFF36FC7714DEFBA4" box="[204,742,961,1029]" gridcol="1" gridrow="7" pageId="23" pageNumber="64">Shaft of turbinate eyes: shape (see also III.1–4) Figs 2, 6, 61, 63</td>
<td id="76E85DF9FFA4003EFCF9FC771338FBA4" box="[771,1280,961,1029]" gridcol="2" gridrow="7" pageId="23" pageNumber="64">moderately high, well separated, clearly diverges app. after middle of it length</td>
<td id="76E85DF9FFA4003EFABFFC771167FBA4" box="[1349,1887,961,1029]" gridcol="3" gridrow="7" pageId="23" pageNumber="64">short, close together, distinctly divergent at the base</td>
</tr>
<tr id="35393485FFA4003EFF69FBB11167FBBE" box="[147,1887,1031,1055]" gridrow="8" pageId="23" pageNumber="64" rowspan-2="1" rowspan-3="1">
<th id="76E85DF9FFA4003EFF69FBB114DEFBBE" box="[147,742,1031,1055]" colspan="2" colspanRight="1" gridcol="0" gridrow="8" pageId="23" pageNumber="64">
III. 
<emphasis id="B97DEAD5FFA4FFD6FF49FBBA17E2FBBE" box="[179,474,1036,1055]" italics="true" pageId="23" pageNumber="64">Head (turbinate eyes proportions)</emphasis>
(2)
</th>
</tr>
<tr id="35393485FFA4003EFF69FB981167FBE0" box="[147,1887,1070,1089]" gridrow="9" pageId="23" pageNumber="64">
<th id="76E85DF9FFA4003EFF69FB981697FBE0" box="[147,175,1070,1089]" gridcol="0" gridrow="9" pageId="23" pageNumber="64">1</th>
<td id="76E85DF9FFA4003EFF36FB9814DEFBE0" box="[204,742,1070,1089]" gridcol="1" gridrow="9" pageId="23" pageNumber="64">
<emphasis id="B97DEAD5FFA4FFD6FF36FB9816D6FBE0" box="[204,238,1070,1089]" italics="true" pageId="23" pageNumber="64">A/N</emphasis>
</td>
<td id="76E85DF9FFA4003EFCF9FB981338FBE0" box="[771,1280,1070,1089]" gridcol="2" gridrow="9" pageId="23" pageNumber="64">0.98–1.07</td>
<td id="76E85DF9FFA4003EFABFFB981167FBE0" box="[1349,1887,1070,1089]" gridcol="3" gridrow="9" pageId="23" pageNumber="64">1.05–1.15</td>
</tr>
<tr id="35393485FFA4003EFF69FBE61167FBC2" box="[147,1887,1104,1123]" gridrow="10" pageId="23" pageNumber="64">
<th id="76E85DF9FFA4003EFF69FBE61697FBC2" box="[147,175,1104,1123]" gridcol="0" gridrow="10" pageId="23" pageNumber="64">2</th>
<td id="76E85DF9FFA4003EFF36FBE614DEFBC2" box="[204,742,1104,1123]" gridcol="1" gridrow="10" pageId="23" pageNumber="64">
<emphasis id="B97DEAD5FFA4FFD6FF36FBE616D6FBC2" box="[204,238,1104,1123]" italics="true" pageId="23" pageNumber="64">B/N</emphasis>
</td>
<td id="76E85DF9FFA4003EFCF9FBE61338FBC2" box="[771,1280,1104,1123]" gridcol="2" gridrow="10" pageId="23" pageNumber="64">0.20–0.23</td>
<td id="76E85DF9FFA4003EFABFFBE61167FBC2" box="[1349,1887,1104,1123]" gridcol="3" gridrow="10" pageId="23" pageNumber="64">0.11–0.15</td>
</tr>
<tr id="35393485FFA4003EFF69FBC41167FB24" box="[147,1887,1138,1157]" gridrow="11" pageId="23" pageNumber="64">
<th id="76E85DF9FFA4003EFF69FBC41697FB24" box="[147,175,1138,1157]" gridcol="0" gridrow="11" pageId="23" pageNumber="64">3</th>
<td id="76E85DF9FFA4003EFF36FBC414DEFB24" box="[204,742,1138,1157]" gridcol="1" gridrow="11" pageId="23" pageNumber="64">
<emphasis id="B97DEAD5FFA4FFD6FF36FBC416D7FB24" box="[204,239,1138,1157]" italics="true" pageId="23" pageNumber="64">C/N</emphasis>
</td>
<td id="76E85DF9FFA4003EFCF9FBC41338FB24" box="[771,1280,1138,1157]" gridcol="2" gridrow="11" pageId="23" pageNumber="64">0.55–0.58</td>
<td id="76E85DF9FFA4003EFABFFBC41167FB24" box="[1349,1887,1138,1157]" gridcol="3" gridrow="11" pageId="23" pageNumber="64">0.74–0.76</td>
</tr>
<tr id="35393485FFA4003EFF69FB221167FB06" box="[147,1887,1172,1191]" gridrow="12" pageId="23" pageNumber="64">
<th id="76E85DF9FFA4003EFF69FB221697FB06" box="[147,175,1172,1191]" gridcol="0" gridrow="12" pageId="23" pageNumber="64">4</th>
<td id="76E85DF9FFA4003EFF36FB2214DEFB06" box="[204,742,1172,1191]" gridcol="1" gridrow="12" pageId="23" pageNumber="64">
<emphasis id="B97DEAD5FFA4FFD6FF36FB2216C8FB06" box="[204,240,1172,1191]" italics="true" pageId="23" pageNumber="64">D/N</emphasis>
</td>
<td id="76E85DF9FFA4003EFCF9FB221338FB06" box="[771,1280,1172,1191]" gridcol="2" gridrow="12" pageId="23" pageNumber="64">0.32</td>
<td id="76E85DF9FFA4003EFABFFB221167FB06" box="[1349,1887,1172,1191]" gridcol="3" gridrow="12" pageId="23" pageNumber="64">0.45–0.50</td>
</tr>
<tr id="35393485FFA4003EFF69FB001167FB68" box="[147,1887,1206,1225]" gridrow="13" pageId="23" pageNumber="64">
<th id="76E85DF9FFA4003EFF69FB001697FB68" box="[147,175,1206,1225]" gridcol="0" gridrow="13" pageId="23" pageNumber="64">5</th>
<td id="76E85DF9FFA4003EFF36FB0014DEFB68" box="[204,742,1206,1225]" gridcol="1" gridrow="13" pageId="23" pageNumber="64">
<emphasis id="B97DEAD5FFA4FFD6FF36FB0016EFFB68" box="[204,215,1206,1225]" italics="true" pageId="23" pageNumber="64">α</emphasis>
</td>
<td id="76E85DF9FFA4003EFCF9FB001338FB68" box="[771,1280,1206,1225]" gridcol="2" gridrow="13" pageId="23" pageNumber="64">15–25</td>
<td id="76E85DF9FFA4003EFABFFB001167FB68" box="[1349,1887,1206,1225]" gridcol="3" gridrow="13" pageId="23" pageNumber="64">10–15</td>
</tr>
<tr id="35393485FFA4003EFF69FB6F1167FB4D" box="[147,1887,1241,1260]" gridrow="14" pageId="23" pageNumber="64">
<th id="76E85DF9FFA4003EFF69FB6F1167FB4D" box="[147,1887,1241,1260]" colspan="4" colspanRight="3" gridcol="0" gridrow="14" pageId="23" pageNumber="64">
IV. 
<emphasis id="B97DEAD5FFA4FFD6FF4FFB6F1779FB4D" box="[181,321,1241,1260]" italics="true" pageId="23" pageNumber="64">Thorax and legs</emphasis>
</th>
</tr>
<tr id="35393485FFA4003EFF69FB401167FA86" box="[147,1887,1270,1319]" gridrow="15" pageId="23" pageNumber="64">
<th id="76E85DF9FFA4003EFF69FB401697FA86" box="[147,175,1270,1319]" gridcol="0" gridrow="15" pageId="23" pageNumber="64">1</th>
<td id="76E85DF9FFA4003EFF36FB4014DEFA86" box="[204,742,1270,1319]" gridcol="1" gridrow="15" pageId="23" pageNumber="64">Thorax: colour (1)</td>
<td id="76E85DF9FFA4003EFCF9FB401338FA86" box="[771,1280,1270,1319]" gridcol="2" gridrow="15" pageId="23" pageNumber="64">light yellowish-brown to pitch brown</td>
<td id="76E85DF9FFA4003EFABFFB401167FA86" box="[1349,1887,1270,1319]" gridcol="3" gridrow="15" pageId="23" pageNumber="64">light yellowish-brown to brown</td>
</tr>
<tr id="35393485FFA4003EFF69FA9A1167FAF8" box="[147,1887,1324,1369]" gridrow="16" pageId="23" pageNumber="64">
<th id="76E85DF9FFA4003EFF69FA9A1697FAF8" box="[147,175,1324,1369]" gridcol="0" gridrow="16" pageId="23" pageNumber="64">2</th>
<td id="76E85DF9FFA4003EFF36FA9A14DEFAF8" box="[204,742,1324,1369]" gridcol="1" gridrow="16" pageId="23" pageNumber="64">Tarsomeres of foreleg: mean length ratio Fig. 9</td>
<td id="76E85DF9FFA4003EFCF9FA9A1338FAF8" box="[771,1280,1324,1369]" gridcol="2" gridrow="16" pageId="23" pageNumber="64">1/0.88/0.54/0.28</td>
<td id="76E85DF9FFA4003EFABFFA9A1167FAF8" box="[1349,1887,1324,1369]" gridcol="3" gridrow="16" pageId="23" pageNumber="64">1/0.80/0.52/0.28</td>
</tr>
<tr id="35393485FFA4003EFF69FAE81167FAD0" box="[147,1887,1374,1393]" gridrow="17" pageId="23" pageNumber="64" rowspan-2="1" rowspan-3="1">
<th id="76E85DF9FFA4003EFF69FAE814DEFAD0" box="[147,742,1374,1393]" colspan="2" colspanRight="1" gridcol="0" gridrow="17" pageId="23" pageNumber="64">
V. 
<emphasis id="B97DEAD5FFA4FFD6FF54FAE81728FAD0" box="[174,272,1374,1393]" italics="true" pageId="23" pageNumber="64">Hind wings</emphasis>
</th>
</tr>
<tr id="35393485FFA4003EFF69FA361167FA0D" box="[147,1887,1408,1452]" gridrow="18" pageId="23" pageNumber="64">
<th id="76E85DF9FFA4003EFF69FA361697FA0D" box="[147,175,1408,1452]" gridcol="0" gridrow="18" pageId="23" pageNumber="64">1</th>
<td id="76E85DF9FFA4003EFF36FA3614DEFA0D" box="[204,742,1408,1452]" gridcol="1" gridrow="18" pageId="23" pageNumber="64">Length/width ratio Figs 7, 8</td>
<td id="76E85DF9FFA4003EFCF9FA361338FA0D" box="[771,1280,1408,1452]" gridcol="2" gridrow="18" pageId="23" pageNumber="64">2.90–2.94</td>
<td id="76E85DF9FFA4003EFABFFA361167FA0D" box="[1349,1887,1408,1452]" gridcol="3" gridrow="18" pageId="23" pageNumber="64">2.50–2.80</td>
</tr>
<tr id="35393485FFA4003EFF69FA1B1167FA64" box="[147,1887,1453,1477]" gridrow="19" pageId="23" pageNumber="64">
<th id="76E85DF9FFA4003EFF69FA1B1697FA64" box="[147,175,1453,1477]" gridcol="0" gridrow="19" pageId="23" pageNumber="64">2</th>
<td id="76E85DF9FFA4003EFF36FA1B14DEFA64" box="[204,742,1453,1477]" gridcol="1" gridrow="19" pageId="23" pageNumber="64">Bifurcation of second longitudinal vein (3)</td>
<td id="76E85DF9FFA4003EFCF9FA1B1338FA64" box="[771,1280,1453,1477]" gridcol="2" gridrow="19" pageId="23" pageNumber="64">asymmetrical</td>
<td id="76E85DF9FFA4003EFABFFA1B1167FA64" box="[1349,1887,1453,1477]" gridcol="3" gridrow="19" pageId="23" pageNumber="64">asymmetrical,</td>
</tr>
<tr id="35393485FFA4003EFF69FA7D1167FA7F" box="[147,1887,1483,1502]" gridrow="20" pageId="23" pageNumber="64" rowspan-0="1" rowspan-1="1" rowspan-2="1">
<td id="76E85DF9FFA4003EFABFFA7D1167FA7F" box="[1349,1887,1483,1502]" gridcol="3" gridrow="20" pageId="23" pageNumber="64">occasionally no bifurcation</td>
</tr>
<tr id="35393485FFA4003EFF69FA521167F9A4" box="[147,1887,1508,1541]" gridrow="21" pageId="23" pageNumber="64">
<th id="76E85DF9FFA4003EFF69FA521697F9A4" box="[147,175,1508,1541]" gridcol="0" gridrow="21" pageId="23" pageNumber="64">3</th>
<td id="76E85DF9FFA4003EFF36FA5214DEF9A4" box="[204,742,1508,1541]" gridcol="1" gridrow="21" pageId="23" pageNumber="64">Place of furcation relatively to second longitudinal vein length (4)</td>
<td id="76E85DF9FFA4003EFCF9FA521338F9A4" box="[771,1280,1508,1541]" gridcol="2" gridrow="21" pageId="23" pageNumber="64">0.48–0.56</td>
<td id="76E85DF9FFA4003EFABFFA521167F9A4" box="[1349,1887,1508,1541]" gridcol="3" gridrow="21" pageId="23" pageNumber="64">0.60–0.80</td>
</tr>
<tr id="35393485FFA4003EFF69F9A01167F9E3" box="[147,1887,1558,1602]" gridrow="22" pageId="23" pageNumber="64">
<th id="76E85DF9FFA4003EFF69F9A01697F9E3" box="[147,175,1558,1602]" gridcol="0" gridrow="22" pageId="23" pageNumber="64">4</th>
<td id="76E85DF9FFA4003EFF36F9A014DEF9E3" box="[204,742,1558,1602]" gridcol="1" gridrow="22" pageId="23" pageNumber="64">Number of intercalaries between bifurcation of second longitudinal vein</td>
<td id="76E85DF9FFA4003EFCF9F9A01338F9E3" box="[771,1280,1558,1602]" gridcol="2" gridrow="22" pageId="23" pageNumber="64">1</td>
<td id="76E85DF9FFA4003EFABFF9A01167F9E3" box="[1349,1887,1558,1602]" gridcol="3" gridrow="22" pageId="23" pageNumber="64">1–2</td>
</tr>
<tr id="35393485FFA4003EFF69F9FE1167F9FA" box="[147,1887,1608,1627]" gridrow="23" pageId="23" pageNumber="64">
<th id="76E85DF9FFA4003EFF69F9FE1697F9FA" box="[147,175,1608,1627]" gridcol="0" gridrow="23" pageId="23" pageNumber="64">5</th>
<td id="76E85DF9FFA4003EFF36F9FE14DEF9FA" box="[204,742,1608,1627]" gridcol="1" gridrow="23" pageId="23" pageNumber="64">Third longitudinal vein</td>
<td id="76E85DF9FFA4003EFCF9F9FE1338F9FA" box="[771,1280,1608,1627]" gridcol="2" gridrow="23" pageId="23" pageNumber="64">short</td>
<td id="76E85DF9FFA4003EFABFF9FE1167F9FA" box="[1349,1887,1608,1627]" gridcol="3" gridrow="23" pageId="23" pageNumber="64">short</td>
</tr>
</table>
</paragraph>
<paragraph id="8BB636C7FFA4FFD6F9AEF9DD115AF9DF" blockId="23.[1620,1890,1643,1662]" box="[1620,1890,1643,1662]" pageId="23" pageNumber="64">
<emphasis id="B97DEAD5FFA4FFD6F9AEF9DD115AF9DF" box="[1620,1890,1643,1662]" italics="true" pageId="23" pageNumber="64">……continued on the next page</emphasis>
</paragraph>
</subSubSection>
<caption id="DF76664FFFABFFD9FF69FDB8175AFD80" box="[147,354,526,545]" pageId="24" pageNumber="65">
<paragraph id="8BB636C7FFABFFD9FF69FDB8175AFD80" blockId="24.[147,354,526,545]" box="[147,354,526,545]" pageId="24" pageNumber="65">
<emphasis id="B97DEAD5FFABFFD9FF69FDB816CBFD80" bold="true" box="[147,243,526,545]" pageId="24" pageNumber="65">TABLE 1.</emphasis>
(Continued)
</paragraph>
</caption>
<paragraph id="8BB636C7FFABFFD9FF6DFDFC1768F9D2" pageId="24" pageNumber="65">
<table id="F909C467FFAB003EFF69FD871166F9D2" box="[147,1886,561,1651]" colsContinueFrom="23.[147,1887,624,1627]" colsContinueIn="25.[147,1825,571,1626]" gridcols="4" gridrows="31" pageId="24" pageNumber="65">
<tr id="35393485FFAB003EFF69FD871166FDD7" box="[147,1886,561,630]" gridrow="0" pageId="24" pageNumber="65">
<th id="76E85DF9FFAB003EFF69FD871697FDD7" box="[147,175,561,630]" gridcol="0" gridrow="0" pageId="24" pageNumber="65">N°</th>
<th id="76E85DF9FFAB003EFF37FD8714BDFDD7" box="[205,645,561,630]" gridcol="1" gridrow="0" pageId="24" pageNumber="65">
Characters [
<emphasis id="B97DEAD5FFABFFD9FE99FDE11464FDCB" box="[355,604,599,618]" italics="true" pageId="24" pageNumber="65">remarks; references; figures</emphasis>
]
</th>
<th id="76E85DF9FFAB003EFCF6FD8712CFFDD7" box="[780,1271,561,630]" gridcol="2" gridrow="0" pageId="24" pageNumber="65">
<taxonomicName id="4C094D44FFABFFD9FC3FFD8712AEFDFC" authority="(Soldan &amp; Thomas, 1983)" authorityName="Soldan &amp; Thomas" authorityYear="1983" baseAuthorityName="Soldan &amp; Thomas" baseAuthorityYear="1983" class="Insecta" family="Baetidae" genus="Nigrobaetis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ephemeroptera" pageId="24" pageNumber="65" phylum="Arthropoda" rank="species" species="rhithralis">
<emphasis id="B97DEAD5FFABFFD9FC3FFD8712BCFDE5" box="[965,1156,561,580]" italics="true" pageId="24" pageNumber="65">Nigrobaetis rhithralis</emphasis>
(Soldán &amp; Thomas, 1983)
</taxonomicName>
; type material
</th>
<th id="76E85DF9FFAB003EFAADFD871166FDD7" box="[1367,1886,561,630]" gridcol="3" gridrow="0" pageId="24" pageNumber="65">
<taxonomicName id="4C094D44FFABFFD9F9F7FD871080FDFC" authority="(Bengtsson, 1912)" authorityName="Bengtsson" authorityYear="1912" baseAuthorityName="Bengtsson" baseAuthorityYear="1912" class="Insecta" family="Baetidae" genus="Nigrobaetis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ephemeroptera" pageId="24" pageNumber="65" phylum="Arthropoda" rank="species" species="digitatus">
<emphasis id="B97DEAD5FFABFFD9F9F7FD8710FEFDE5" box="[1549,1734,561,580]" italics="true" pageId="24" pageNumber="65">Nigrobaetis digitatus</emphasis>
(Bengtsson, 1912)
</taxonomicName>
; Scandinavian Peninsula
</th>
</tr>
<tr id="35393485FFAB003EFF69FDC81166FD30" box="[147,1886,638,657]" gridrow="1" pageId="24" pageNumber="65">
<th id="76E85DF9FFAB003EFF69FDC81166FD30" box="[147,1886,638,657]" colspan="4" colspanRight="3" gridcol="0" gridrow="1" pageId="24" pageNumber="65">
VI. 
<emphasis id="B97DEAD5FFABFFD9FF4FFDC81730FD30" box="[181,264,638,657]" italics="true" pageId="24" pageNumber="65">Abdomen</emphasis>
</th>
</tr>
<tr id="35393485FFAB003EFF69FD2A1166FD6D" box="[147,1886,668,716]" gridrow="2" pageId="24" pageNumber="65">
<th id="76E85DF9FFAB003EFF69FD2A1697FD6D" box="[147,175,668,716]" gridcol="0" gridrow="2" pageId="24" pageNumber="65">1</th>
<td id="76E85DF9FFAB003EFF37FD2A14BDFD6D" box="[205,645,668,716]" gridcol="1" gridrow="2" pageId="24" pageNumber="65">Terga colour: segments I, VII–IX (X) (1)</td>
<td id="76E85DF9FFAB003EFCF6FD2A12CFFD6D" box="[780,1271,668,716]" gridcol="2" gridrow="2" pageId="24" pageNumber="65">
rusty dark brownish (
<emphasis id="B97DEAD5FFABFFD9FC3FFD2A15F6FD09" box="[965,974,668,680]" italics="true" pageId="24" pageNumber="65">A</emphasis>
)
</td>
<td id="76E85DF9FFAB003EFAADFD2A1166FD6D" box="[1367,1886,668,716]" gridcol="3" gridrow="2" pageId="24" pageNumber="65">
yellowish-white to light brown (
<emphasis id="B97DEAD5FFABFFD9FA3DFD0013E8FD63" box="[1479,1488,694,706]" italics="true" pageId="24" pageNumber="65">B</emphasis>
)
</td>
</tr>
<tr id="35393485FFAB003EFF69FD651166FD47" box="[147,1886,723,742]" gridrow="3" pageId="24" pageNumber="65" rowspan-2="1" rowspan-3="1">
<th id="76E85DF9FFAB003EFF69FD6514BDFD47" box="[147,645,723,742]" colspan="2" colspanRight="1" gridcol="0" gridrow="3" pageId="24" pageNumber="65">
VII. 
<emphasis id="B97DEAD5FFABFFD9FF47FD651737FD47" box="[189,271,723,742]" italics="true" pageId="24" pageNumber="65">Genitalia</emphasis>
</th>
</tr>
<tr id="35393485FFAB003EFF69FD431166FCA9" box="[147,1886,757,776]" gridrow="4" pageId="24" pageNumber="65">
<th id="76E85DF9FFAB003EFF69FD431697FCA9" box="[147,175,757,776]" gridcol="0" gridrow="4" pageId="24" pageNumber="65">1</th>
<td id="76E85DF9FFAB003EFF37FD4314BDFCA9" box="[205,645,757,776]" gridcol="1" gridrow="4" pageId="24" pageNumber="65">Unistyliger: shape</td>
<td id="76E85DF9FFAB003EFCF6FD4312CFFCA9" box="[780,1271,757,776]" gridcol="2" gridrow="4" pageId="24" pageNumber="65">nearly square-shaped, only slightly tapered apically</td>
<td id="76E85DF9FFAB003EFAADFD431166FCA9" box="[1367,1886,757,776]" gridcol="3" gridrow="4" pageId="24" pageNumber="65">nearly rectangular, longer than wider</td>
</tr>
<tr id="35393485FFAB003EFF69FCB81166FC80" box="[147,1886,782,801]" gridrow="5" pageId="24" pageNumber="65" rowspan-0="1" rowspan-2="1" rowspan-3="1">
<td id="76E85DF9FFAB003EFF37FCB814BDFC80" box="[205,645,782,801]" gridcol="1" gridrow="5" pageId="24" pageNumber="65">(see also VII.3)</td>
</tr>
<tr id="35393485FFAB003EFF69FC9E1166FCF5" box="[147,1886,808,852]" gridrow="6" pageId="24" pageNumber="65">
<th id="76E85DF9FFAB003EFF69FC9E1697FCF5" box="[147,175,808,852]" gridcol="0" gridrow="6" pageId="24" pageNumber="65">2</th>
<td id="76E85DF9FFAB003EFF37FC9E14BDFCF5" box="[205,645,808,852]" gridcol="1" gridrow="6" pageId="24" pageNumber="65">Figs 10A–C; 65–67 Unistyliger: apico-internal process (5)</td>
<td id="76E85DF9FFAB003EFCF6FC9E12CFFCF5" box="[780,1271,808,852]" gridcol="2" gridrow="6" pageId="24" pageNumber="65">absent</td>
<td id="76E85DF9FFAB003EFAADFC9E1166FCF5" box="[1367,1886,808,852]" gridcol="3" gridrow="6" pageId="24" pageNumber="65">mainly present (truncate, small)</td>
</tr>
<tr id="35393485FFAB003EFF69FCD51166FCD7" box="[147,1886,867,886]" gridrow="7" pageId="24" pageNumber="65">
<th id="76E85DF9FFAB003EFF69FCD51697FCD7" box="[147,175,867,886]" gridcol="0" gridrow="7" pageId="24" pageNumber="65">3</th>
<td id="76E85DF9FFAB003EFF37FCD514BDFCD7" box="[205,645,867,886]" gridcol="1" gridrow="7" pageId="24" pageNumber="65">Unistyliger: mean length/width ratio</td>
<td id="76E85DF9FFAB003EFCF6FCD512CFFCD7" box="[780,1271,867,886]" gridcol="2" gridrow="7" pageId="24" pageNumber="65">0.78–0.82</td>
<td id="76E85DF9FFAB003EFAADFCD51166FCD7" box="[1367,1886,867,886]" gridcol="3" gridrow="7" pageId="24" pageNumber="65">1.14–1.18</td>
</tr>
<tr id="35393485FFAB003EFF69FC371166FC39" box="[147,1886,897,920]" gridrow="8" pageId="24" pageNumber="65">
<th id="76E85DF9FFAB003EFF69FC371697FC39" box="[147,175,897,920]" gridcol="0" gridrow="8" pageId="24" pageNumber="65">4</th>
<td id="76E85DF9FFAB003EFF37FC3714BDFC39" box="[205,645,897,920]" gridcol="1" gridrow="8" pageId="24" pageNumber="65">Segment I of forceps: shape (6)</td>
<td id="76E85DF9FFAB003EFCF6FC3712CFFC39" box="[780,1271,897,920]" gridcol="2" gridrow="8" pageId="24" pageNumber="65">conical</td>
<td id="76E85DF9FFAB003EFAADFC371166FC39" box="[1367,1886,897,920]" gridcol="3" gridrow="8" pageId="24" pageNumber="65">conical, occasionally shortened</td>
</tr>
<tr id="35393485FFAB003EFF69FC151166FC1A" box="[147,1886,931,955]" gridrow="9" pageId="24" pageNumber="65">
<th id="76E85DF9FFAB003EFF69FC151697FC1A" box="[147,175,931,955]" gridcol="0" gridrow="9" pageId="24" pageNumber="65">5</th>
<td id="76E85DF9FFAB003EFF37FC1514BDFC1A" box="[205,645,931,955]" gridcol="1" gridrow="9" pageId="24" pageNumber="65">Segment II of forceps: shape (6)</td>
<td id="76E85DF9FFAB003EFCF6FC1512CFFC1A" box="[780,1271,931,955]" gridcol="2" gridrow="9" pageId="24" pageNumber="65">expanding apically, with small inner hump</td>
<td id="76E85DF9FFAB003EFAADFC151166FC1A" box="[1367,1886,931,955]" gridcol="3" gridrow="9" pageId="24" pageNumber="65">expanding apically, without hump</td>
</tr>
<tr id="35393485FFAB003EFF69FC7C1166FC7C" box="[147,1886,970,989]" gridrow="10" pageId="24" pageNumber="65">
<th id="76E85DF9FFAB003EFF69FC7C1697FC7C" box="[147,175,970,989]" gridcol="0" gridrow="10" pageId="24" pageNumber="65">6</th>
<td id="76E85DF9FFAB003EFF37FC7C14BDFC7C" box="[205,645,970,989]" gridcol="1" gridrow="10" pageId="24" pageNumber="65">Segment III of forceps: shape</td>
<td id="76E85DF9FFAB003EFCF6FC7C12CFFC7C" box="[780,1271,970,989]" gridcol="2" gridrow="10" pageId="24" pageNumber="65">elongated, broadly rounded apically</td>
<td id="76E85DF9FFAB003EFAADFC7C1166FC7C" box="[1367,1886,970,989]" gridcol="3" gridrow="10" pageId="24" pageNumber="65">elongated, broadly rounded or slightly tapered apically</td>
</tr>
<tr id="35393485FFAB003EFF69FC5E1166FBA1" box="[147,1886,1000,1024]" gridrow="11" pageId="24" pageNumber="65">
<th id="76E85DF9FFAB003EFF69FC5E1697FBA1" box="[147,175,1000,1024]" gridcol="0" gridrow="11" pageId="24" pageNumber="65">7</th>
<td id="76E85DF9FFAB003EFF37FC5E14BDFBA1" box="[205,645,1000,1024]" gridcol="1" gridrow="11" pageId="24" pageNumber="65">Segment III of forceps: mean length/width ratio (7)</td>
<td id="76E85DF9FFAB003EFCF6FC5E12CFFBA1" box="[780,1271,1000,1024]" gridcol="2" gridrow="11" pageId="24" pageNumber="65">3.10–3.40</td>
<td id="76E85DF9FFAB003EFAADFC5E1166FBA1" box="[1367,1886,1000,1024]" gridcol="3" gridrow="11" pageId="24" pageNumber="65">3.55–3.66</td>
</tr>
<tr id="35393485FFAB003EFF69FBA61166FB85" box="[147,1886,1040,1060]" gridrow="12" pageId="24" pageNumber="65">
<th id="76E85DF9FFAB003EFF69FBA61166FB85" box="[147,1886,1040,1060]" colspan="4" colspanRight="3" gridcol="0" gridrow="12" pageId="24" pageNumber="65">
<emphasis id="B97DEAD5FFABFFD9FF69FBA6172DFB85" bold="true" box="[147,277,1040,1060]" italics="true" pageId="24" pageNumber="65">Female imago</emphasis>
</th>
</tr>
<tr id="35393485FFAB003EFF69FB841166FBE4" box="[147,1886,1074,1093]" gridrow="13" pageId="24" pageNumber="65">
<th id="76E85DF9FFAB003EFF69FB841166FBE4" box="[147,1886,1074,1093]" colspan="4" colspanRight="3" gridcol="0" gridrow="13" pageId="24" pageNumber="65">
VIII. 
<emphasis id="B97DEAD5FFABFFD9FF3EFB8416CBFBE4" box="[196,243,1074,1093]" italics="true" pageId="24" pageNumber="65">Head</emphasis>
</th>
</tr>
<tr id="35393485FFAB003EFF69FBF91166FBC6" box="[147,1886,1103,1127]" gridrow="14" pageId="24" pageNumber="65">
<th id="76E85DF9FFAB003EFF69FBF91697FBC6" box="[147,175,1103,1127]" gridcol="0" gridrow="14" pageId="24" pageNumber="65">1</th>
<td id="76E85DF9FFAB003EFF37FBF914BDFBC6" box="[205,645,1103,1127]" gridcol="1" gridrow="14" pageId="24" pageNumber="65">Posterior margin [medially] (8)</td>
<td id="76E85DF9FFAB003EFCF6FBF912CFFBC6" box="[780,1271,1103,1127]" gridcol="2" gridrow="14" pageId="24" pageNumber="65">nearly straight</td>
<td id="76E85DF9FFAB003EFAADFBF91166FBC6" box="[1367,1886,1103,1127]" gridcol="3" gridrow="14" pageId="24" pageNumber="65">distinctly convex</td>
</tr>
<tr id="35393485FFAB003EFF69FBDB1166FB21" box="[147,1886,1133,1152]" gridrow="15" pageId="24" pageNumber="65" rowspan-0="1" rowspan-2="1" rowspan-3="1">
<td id="76E85DF9FFAB003EFF37FBDB14BDFB21" box="[205,645,1133,1152]" gridcol="1" gridrow="15" pageId="24" pageNumber="65">Figs 11, 12</td>
</tr>
<tr id="35393485FFAB003EFF69FB311166FB3A" box="[147,1886,1159,1179]" gridrow="16" pageId="24" pageNumber="65" rowspan-2="1" rowspan-3="1">
<th id="76E85DF9FFAB003EFF69FB3114BDFB3A" box="[147,645,1159,1179]" colspan="2" colspanRight="1" gridcol="0" gridrow="16" pageId="24" pageNumber="65">
<emphasis id="B97DEAD5FFABFFD9FF69FB311731FB3A" bold="true" box="[147,265,1159,1179]" italics="true" pageId="24" pageNumber="65">Mature larva</emphasis>
</th>
</tr>
<tr id="35393485FFAB003EFF69FB1F1166FB1D" box="[147,1886,1193,1212]" gridrow="17" pageId="24" pageNumber="65">
<th id="76E85DF9FFAB003EFF69FB1F1166FB1D" box="[147,1886,1193,1212]" colspan="4" colspanRight="3" gridcol="0" gridrow="17" pageId="24" pageNumber="65">
IX. 
<emphasis id="B97DEAD5FFABFFD9FF4FFB1F17D9FB1D" box="[181,481,1193,1212]" italics="true" pageId="24" pageNumber="65">Head (colour, shape and setation)</emphasis>
</th>
</tr>
<tr id="35393485FFAB003EFF69FB711166FB59" box="[147,1886,1223,1272]" gridrow="18" pageId="24" pageNumber="65">
<th id="76E85DF9FFAB003EFF69FB711697FB59" box="[147,175,1223,1272]" gridcol="0" gridrow="18" pageId="24" pageNumber="65">1</th>
<td id="76E85DF9FFAB003EFF37FB7114BDFB59" box="[205,645,1223,1272]" gridcol="1" gridrow="18" pageId="24" pageNumber="65">Colour pattern (9)</td>
<td id="76E85DF9FFAB003EFCF6FB7112CFFB59" box="[780,1271,1223,1272]" gridcol="2" gridrow="18" pageId="24" pageNumber="65">
pale spot on clypeus, diffuse pale maculation around of epicranial suture (
<emphasis id="B97DEAD5FFABFFD9FC5DFB571588FB4C" box="[935,944,1249,1261]" italics="true" pageId="24" pageNumber="65">A</emphasis>
)
</td>
<td id="76E85DF9FFAB003EFAADFB711166FB59" box="[1367,1886,1223,1272]" gridcol="3" gridrow="18" pageId="24" pageNumber="65">
group of small pale spots on clypeus and frons (
<emphasis id="B97DEAD5FFABFFD9F902FB7E1139FB75" box="[1784,1793,1224,1236]" italics="true" pageId="24" pageNumber="65">B</emphasis>
)
</td>
</tr>
<tr id="35393485FFAB003EFF69FB4F1166FAB0" box="[147,1886,1273,1297]" gridrow="19" pageId="24" pageNumber="65">
<th id="76E85DF9FFAB003EFF69FB4F1697FAB0" box="[147,175,1273,1297]" gridcol="0" gridrow="19" pageId="24" pageNumber="65">2</th>
<td id="76E85DF9FFAB003EFF37FB4F14BDFAB0" box="[205,645,1273,1297]" gridcol="1" gridrow="19" pageId="24" pageNumber="65">Surface of scape and pedicel: setation (10)</td>
<td id="76E85DF9FFAB003EFCF6FB4F12CFFAB0" box="[780,1271,1273,1297]" gridcol="2" gridrow="19" pageId="24" pageNumber="65">
numerous 
<emphasis id="B97DEAD5FFABFFD9FC92FB4815B8FAB1" box="[872,896,1278,1296]" italics="true" pageId="24" pageNumber="65">Hr</emphasis>
and 
<emphasis id="B97DEAD5FFABFFD9FC51FB481580FAB1" box="[939,952,1278,1296]" italics="true" pageId="24" pageNumber="65">B</emphasis>
; occasional 
<emphasis id="B97DEAD5FFABFFD9FBDFFB481258FAB0" box="[1061,1120,1278,1297]" italics="true" pageId="24" pageNumber="65">SC-pet</emphasis>
, 
<emphasis id="B97DEAD5FFABFFD9FB91FB48128AFAB0" box="[1131,1202,1278,1297]" italics="true" pageId="24" pageNumber="65">SCS-pet</emphasis>
</td>
<td id="76E85DF9FFAB003EFAADFB4F1166FAB0" box="[1367,1886,1273,1297]" gridcol="3" gridrow="19" pageId="24" pageNumber="65">
sparse 
<emphasis id="B97DEAD5FFABFFD9FA69FB481393FAB1" box="[1427,1451,1278,1296]" italics="true" pageId="24" pageNumber="65">Hr</emphasis>
and 
<emphasis id="B97DEAD5FFABFFD9FA2CFB4813DBFAB1" box="[1494,1507,1278,1296]" italics="true" pageId="24" pageNumber="65">B</emphasis>
</td>
</tr>
<tr id="35393485FFAB003EFF69FAA11166FAE2" box="[147,1886,1303,1347]" gridrow="20" pageId="24" pageNumber="65">
<th id="76E85DF9FFAB003EFF69FAA11697FAE2" box="[147,175,1303,1347]" gridcol="0" gridrow="20" pageId="24" pageNumber="65">3</th>
<td id="76E85DF9FFAB003EFF37FAA114BDFAE2" box="[205,645,1303,1347]" gridcol="1" gridrow="20" pageId="24" pageNumber="65">Figs 49, 68 Surface of flagellar segments: setation (11)</td>
<td id="76E85DF9FFAB003EFCF6FAA112CFFAE2" box="[780,1271,1303,1347]" gridcol="2" gridrow="20" pageId="24" pageNumber="65">
sparse 
<emphasis id="B97DEAD5FFABFFD9FCB2FA8615BCFAE2" box="[840,900,1328,1347]" italics="true" pageId="24" pageNumber="65">SC-pet</emphasis>
, 
<emphasis id="B97DEAD5FFABFFD9FC74FA8615ECFAE2" box="[910,980,1328,1347]" italics="true" pageId="24" pageNumber="65">SCS-pet</emphasis>
, 
<emphasis id="B97DEAD5FFABFFD9FC1AFA8715C0FAE2" box="[992,1016,1329,1347]" italics="true" pageId="24" pageNumber="65">Hr</emphasis>
, 
<emphasis id="B97DEAD5FFABFFD9FBF9FA871228FAE2" box="[1027,1040,1329,1347]" italics="true" pageId="24" pageNumber="65">B</emphasis>
</td>
<td id="76E85DF9FFAB003EFAADFAA11166FAE2" box="[1367,1886,1303,1347]" gridcol="3" gridrow="20" pageId="24" pageNumber="65">
no setae; very rarely sparse 
<emphasis id="B97DEAD5FFABFFD9F9B0FA87105AFAE2" box="[1610,1634,1329,1347]" italics="true" pageId="24" pageNumber="65">Hr</emphasis>
, 
<emphasis id="B97DEAD5FFABFFD9F997FA871042FAE2" box="[1645,1658,1329,1347]" italics="true" pageId="24" pageNumber="65">B</emphasis>
</td>
</tr>
<tr id="35393485FFAB003EFF69FAFF1166FAD4" box="[147,1886,1353,1397]" gridrow="21" pageId="24" pageNumber="65">
<th id="76E85DF9FFAB003EFF69FAFF1697FAD4" box="[147,175,1353,1397]" gridcol="0" gridrow="21" pageId="24" pageNumber="65">4</th>
<td id="76E85DF9FFAB003EFF37FAFF14BDFAD4" box="[205,645,1353,1397]" gridcol="1" gridrow="21" pageId="24" pageNumber="65">Figs 29, 69 Posterior margin of flagellar segments: shape (11)</td>
<td id="76E85DF9FFAB003EFCF6FAFF12CFFAD4" box="[780,1271,1353,1397]" gridcol="2" gridrow="21" pageId="24" pageNumber="65">21–30 well separated, relatively slender, bluntly pointed</td>
<td id="76E85DF9FFAB003EFAADFAFF1166FAD4" box="[1367,1886,1353,1397]" gridcol="3" gridrow="21" pageId="24" pageNumber="65">19–28 [mainly 20–24] robust, bluntly pointed or rounded</td>
</tr>
<tr id="35393485FFAB003EFF69FACD1166FA2F" box="[147,1886,1403,1422]" gridrow="22" pageId="24" pageNumber="65" rowspan-0="1">
<td id="76E85DF9FFAB003EFF37FACD14BDFA2F" box="[205,645,1403,1422]" gridcol="1" gridrow="22" pageId="24" pageNumber="65">Figs 29, 69</td>
<td id="76E85DF9FFAB003EFCF6FACD12CFFA2F" box="[780,1271,1403,1422]" gridcol="2" gridrow="22" pageId="24" pageNumber="65">apically spines;</td>
<td id="76E85DF9FFAB003EFAADFACD1166FA2F" box="[1367,1886,1403,1422]" gridcol="3" gridrow="22" pageId="24" pageNumber="65">apically spines, grouped by 2–3 spines with common basis;</td>
</tr>
<tr id="35393485FFAB003EFF69FA231166FA09" box="[147,1886,1429,1448]" gridrow="23" pageId="24" pageNumber="65" rowspan-0="1" rowspan-1="1">
<td id="76E85DF9FFAB003EFCF6FA2312CFFA09" box="[780,1271,1429,1448]" gridcol="2" gridrow="23" pageId="24" pageNumber="65">
1 or grouped by 2 
<emphasis id="B97DEAD5FFABFFD9FC57FA231582FA06" box="[941,954,1429,1447]" italics="true" pageId="24" pageNumber="65">B</emphasis>
setae
</td>
<td id="76E85DF9FFAB003EFAADFA231166FA09" box="[1367,1886,1429,1448]" gridcol="3" gridrow="23" pageId="24" pageNumber="65">
1 or grouped by 2–3 
<emphasis id="B97DEAD5FFABFFD9F9F4FA231023FA06" box="[1550,1563,1429,1447]" italics="true" pageId="24" pageNumber="65">B</emphasis>
setae
</td>
</tr>
<tr id="35393485FFAB003EFF69FA181166FA60" box="[147,1886,1454,1473]" gridrow="24" pageId="24" pageNumber="65">
<th id="76E85DF9FFAB003EFF69FA181697FA60" box="[147,175,1454,1473]" gridcol="0" gridrow="24" pageId="24" pageNumber="65">5</th>
<td id="76E85DF9FFAB003EFF37FA1814BDFA60" box="[205,645,1454,1473]" gridcol="1" gridrow="24" pageId="24" pageNumber="65">Surface of clypeus and frons: setation</td>
<td id="76E85DF9FFAB003EFCF6FA1812CFFA60" box="[780,1271,1454,1473]" gridcol="2" gridrow="24" pageId="24" pageNumber="65">
sparse 
<emphasis id="B97DEAD5FFABFFD9FCB2FA181558FA61" box="[840,864,1454,1472]" italics="true" pageId="24" pageNumber="65">Hr</emphasis>
and 
<emphasis id="B97DEAD5FFABFFD9FC71FA1815A0FA61" box="[907,920,1454,1472]" italics="true" pageId="24" pageNumber="65">B</emphasis>
</td>
<td id="76E85DF9FFAB003EFAADFA181166FA60" box="[1367,1886,1454,1473]" gridcol="3" gridrow="24" pageId="24" pageNumber="65">
sparse 
<emphasis id="B97DEAD5FFABFFD9FA69FA181393FA61" box="[1427,1451,1454,1472]" italics="true" pageId="24" pageNumber="65">Hr</emphasis>
and 
<emphasis id="B97DEAD5FFABFFD9FA2CFA1813DBFA61" box="[1494,1507,1454,1472]" italics="true" pageId="24" pageNumber="65">B</emphasis>
</td>
</tr>
<tr id="35393485FFAB003EFF69FA7D1166FA42" box="[147,1886,1483,1507]" gridrow="25" pageId="24" pageNumber="65">
<th id="76E85DF9FFAB003EFF69FA7D1697FA42" box="[147,175,1483,1507]" gridcol="0" gridrow="25" pageId="24" pageNumber="65">6</th>
<td id="76E85DF9FFAB003EFF37FA7D14BDFA42" box="[205,645,1483,1507]" gridcol="1" gridrow="25" pageId="24" pageNumber="65">Frontal suture: shape (12)</td>
<td id="76E85DF9FFAB003EFCF6FA7D12CFFA42" box="[780,1271,1483,1507]" gridcol="2" gridrow="25" pageId="24" pageNumber="65">nearly U-shaped</td>
<td id="76E85DF9FFAB003EFAADFA7D1166FA42" box="[1367,1886,1483,1507]" gridcol="3" gridrow="25" pageId="24" pageNumber="65">nearly V-shaped</td>
</tr>
<tr id="35393485FFAB003EFF69FA5F1166FA5D" box="[147,1886,1513,1532]" gridrow="26" pageId="24" pageNumber="65" rowspan-0="1" rowspan-2="1" rowspan-3="1">
<td id="76E85DF9FFAB003EFF37FA5F14BDFA5D" box="[205,645,1513,1532]" gridcol="1" gridrow="26" pageId="24" pageNumber="65">Figs 50, 70</td>
</tr>
<tr id="35393485FFAB003EFF69F9B41166F9B4" box="[147,1886,1538,1557]" gridrow="27" pageId="24" pageNumber="65" rowspan-2="1" rowspan-3="1">
<th id="76E85DF9FFAB003EFF69F9B414BDF9B4" box="[147,645,1538,1557]" colspan="2" colspanRight="1" gridcol="0" gridrow="27" pageId="24" pageNumber="65">
X. 
<emphasis id="B97DEAD5FFABFFD9FF54F9B4172CF9B4" box="[174,276,1538,1557]" italics="true" pageId="24" pageNumber="65">Mouthparts</emphasis>
</th>
</tr>
<tr id="35393485FFAB003EFF69F9931166F999" box="[147,1886,1573,1592]" gridrow="28" pageId="24" pageNumber="65">
<th id="76E85DF9FFAB003EFF69F9931697F999" box="[147,175,1573,1592]" gridcol="0" gridrow="28" pageId="24" pageNumber="65">1</th>
<td id="76E85DF9FFAB003EFF37F99314BDF999" box="[205,645,1573,1592]" gridcol="1" gridrow="28" pageId="24" pageNumber="65">Labrum: width/length ratio</td>
<td id="76E85DF9FFAB003EFCF6F99312CFF999" box="[780,1271,1573,1592]" gridcol="2" gridrow="28" pageId="24" pageNumber="65">0.41–0.45</td>
<td id="76E85DF9FFAB003EFAADF9931166F999" box="[1367,1886,1573,1592]" gridcol="3" gridrow="28" pageId="24" pageNumber="65">0.44–0.48</td>
</tr>
<tr id="35393485FFAB003EFF69F9F11166F9FB" box="[147,1886,1607,1626]" gridrow="29" pageId="24" pageNumber="65">
<th id="76E85DF9FFAB003EFF69F9F11697F9FB" box="[147,175,1607,1626]" gridcol="0" gridrow="29" pageId="24" pageNumber="65">2</th>
<td id="76E85DF9FFAB003EFF37F9F114BDF9FB" box="[205,645,1607,1626]" gridcol="1" gridrow="29" pageId="24" pageNumber="65">Labrum: number of long submarginal setae</td>
<td id="76E85DF9FFAB003EFCF6F9F112CFF9FB" box="[780,1271,1607,1626]" gridcol="2" gridrow="29" pageId="24" pageNumber="65">1 + 2 (rarely 3–4)</td>
<td id="76E85DF9FFAB003EFAADF9F11166F9FB" box="[1367,1886,1607,1626]" gridcol="3" gridrow="29" pageId="24" pageNumber="65">1 + 2 (rarely 3)</td>
</tr>
<tr id="35393485FFAB003EFF69F9D61166F9D2" box="[147,1886,1632,1651]" gridrow="30" pageId="24" pageNumber="65" rowspan-0="1" rowspan-2="1" rowspan-3="1">
<td id="76E85DF9FFAB003EFF37F9D614BDF9D2" box="[205,645,1632,1651]" gridcol="1" gridrow="30" pageId="24" pageNumber="65">Figs 17, 18, 71</td>
</tr>
</table>
</paragraph>
<subSubSection id="C313654CFFABFFDBF993F9CD1143F926" lastPageId="26" lastPageNumber="67" pageId="24" pageNumber="65" type="description">
<paragraph id="8BB636C7FFABFFD9F993F9CD1144F92C" blockId="24.[1641,1916,1659,1678]" box="[1641,1916,1659,1678]" pageId="24" pageNumber="65">
<emphasis id="B97DEAD5FFABFFD9F993F9CD1144F92C" box="[1641,1916,1659,1678]" italics="true" pageId="24" pageNumber="65">……continued on the next page</emphasis>
</paragraph>
<caption id="DF76664FFFAAFFD8FF69FDAE1767FD8A" box="[147,351,536,555]" pageId="25" pageNumber="66">
<paragraph id="8BB636C7FFAAFFD8FF69FDAE1767FD8A" blockId="25.[147,351,536,555]" box="[147,351,536,555]" pageId="25" pageNumber="66">
<emphasis id="B97DEAD5FFAAFFD8FF69FDAE16CAFD8A" bold="true" box="[147,242,536,555]" pageId="25" pageNumber="66">TABLE 1.</emphasis>
(Continued)
</paragraph>
</caption>
<paragraph id="8BB636C7FFAAFFD8FF6CFDE217B4F9FB" pageId="25" pageNumber="66">
<table id="F909C467FFAA003EFF69FD8D1119F9FB" box="[147,1825,571,1626]" colsContinueFrom="24.[147,1886,561,1651]" colsContinueIn="26.[147,1907,567,1636]" gridcols="4" gridrows="32" pageId="25" pageNumber="66">
<tr id="35393485FFAA003EFF69FD8D1119FD21" box="[147,1825,571,640]" gridrow="0" pageId="25" pageNumber="66">
<th id="76E85DF9FFAA003EFF69FD8D1696FD21" box="[147,174,571,640]" gridcol="0" gridrow="0" pageId="25" pageNumber="66">N°</th>
<th id="76E85DF9FFAA003EFF36FD8D14DBFD21" box="[204,739,571,640]" gridcol="1" gridrow="0" pageId="25" pageNumber="66">
Characters [
<emphasis id="B97DEAD5FFAAFFD8FE9AFDD6146CFDD2" box="[352,596,608,627]" italics="true" pageId="25" pageNumber="66">remarks; references; figures</emphasis>
]
</th>
<th id="76E85DF9FFAA003EFCFBFD8D128AFD21" box="[769,1202,571,640]" gridcol="2" gridrow="0" pageId="25" pageNumber="66">
<taxonomicName id="4C094D44FFAAFFD8FC4DFD8D12BCFDC6" authority="(Soldan &amp; Thomas, 1983)" authorityName="Soldan &amp; Thomas" authorityYear="1983" baseAuthorityName="Soldan &amp; Thomas" baseAuthorityYear="1983" class="Insecta" family="Baetidae" genus="Nigrobaetis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ephemeroptera" pageId="25" pageNumber="66" phylum="Arthropoda" rank="species" species="rhithralis">
<emphasis id="B97DEAD5FFAAFFD8FC4DFD8D124BFDEF" box="[951,1139,571,590]" italics="true" pageId="25" pageNumber="66">Nigrobaetis rhithralis</emphasis>
(Soldán &amp; Thomas, 1983)
</taxonomicName>
; type material
</th>
<th id="76E85DF9FFAA003EFAB8FD8D1119FD21" box="[1346,1825,571,640]" gridcol="3" gridrow="0" pageId="25" pageNumber="66">
<taxonomicName id="4C094D44FFAAFFD8FA0FFD8D10A6FDC6" authority="(Bengtsson, 1912)" authorityName="Bengtsson" authorityYear="1912" baseAuthorityName="Bengtsson" baseAuthorityYear="1912" class="Insecta" family="Baetidae" genus="Nigrobaetis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ephemeroptera" pageId="25" pageNumber="66" phylum="Arthropoda" rank="species" species="digitatus">
<emphasis id="B97DEAD5FFAAFFD8FA0FFD8D1093FDEF" box="[1525,1707,571,590]" italics="true" pageId="25" pageNumber="66">Nigrobaetis digitatus</emphasis>
(Bengtsson, 1912)
</taxonomicName>
; Scandinavian Peninsula
</th>
</tr>
<tr id="35393485FFAA003EFF69FD311119FD3B" box="[147,1825,647,666]" gridrow="1" pageId="25" pageNumber="66">
<th id="76E85DF9FFAA003EFF69FD311696FD3B" box="[147,174,647,666]" gridcol="0" gridrow="1" pageId="25" pageNumber="66">3</th>
<td id="76E85DF9FFAA003EFF36FD3114DBFD3B" box="[204,739,647,666]" gridcol="1" gridrow="1" pageId="25" pageNumber="66">Right mandible: number of incisors</td>
<td id="76E85DF9FFAA003EFCFBFD31128AFD3B" box="[769,1202,647,666]" gridcol="2" gridrow="1" pageId="25" pageNumber="66">8</td>
<td id="76E85DF9FFAA003EFAB8FD311119FD3B" box="[1346,1825,647,666]" gridcol="3" gridrow="1" pageId="25" pageNumber="66">7–8</td>
</tr>
<tr id="35393485FFAA003EFF69FD291119FD13" box="[147,1825,671,690]" gridrow="2" pageId="25" pageNumber="66" rowspan-0="1" rowspan-2="1" rowspan-3="1">
<td id="76E85DF9FFAA003EFF36FD2914DBFD13" box="[204,739,671,690]" gridcol="1" gridrow="2" pageId="25" pageNumber="66">Fig. 20</td>
</tr>
<tr id="35393485FFAA003EFF69FD0E1119FD6A" box="[147,1825,696,715]" gridrow="3" pageId="25" pageNumber="66">
<th id="76E85DF9FFAA003EFF69FD0E1696FD6A" box="[147,174,696,715]" gridcol="0" gridrow="3" pageId="25" pageNumber="66">4</th>
<td id="76E85DF9FFAA003EFF36FD0E14DBFD6A" box="[204,739,696,715]" gridcol="1" gridrow="3" pageId="25" pageNumber="66">Left mandible: number of incisors</td>
<td id="76E85DF9FFAA003EFCFBFD0E128AFD6A" box="[769,1202,696,715]" gridcol="2" gridrow="3" pageId="25" pageNumber="66">7</td>
<td id="76E85DF9FFAA003EFAB8FD0E1119FD6A" box="[1346,1825,696,715]" gridcol="3" gridrow="3" pageId="25" pageNumber="66">7</td>
</tr>
<tr id="35393485FFAA003EFF69FD671119FD45" box="[147,1825,721,740]" gridrow="4" pageId="25" pageNumber="66" rowspan-0="1" rowspan-2="1" rowspan-3="1">
<td id="76E85DF9FFAA003EFF36FD6714DBFD45" box="[204,739,721,740]" gridcol="1" gridrow="4" pageId="25" pageNumber="66">Fig. 19</td>
</tr>
<tr id="35393485FFAA003EFF69FD5C1119FCB7" box="[147,1825,746,790]" gridrow="5" pageId="25" pageNumber="66">
<th id="76E85DF9FFAA003EFF69FD5C1696FCB7" box="[147,174,746,790]" gridcol="0" gridrow="5" pageId="25" pageNumber="66">5</th>
<td id="76E85DF9FFAA003EFF36FD5C14DBFCB7" box="[204,739,746,790]" gridcol="1" gridrow="5" pageId="25" pageNumber="66">Right mandible [dorsally]: number of fine setae between prostheca and basal incisor (13)</td>
<td id="76E85DF9FFAA003EFCFBFD5C128AFCB7" box="[769,1202,746,790]" gridcol="2" gridrow="5" pageId="25" pageNumber="66">17–24</td>
<td id="76E85DF9FFAA003EFAB8FD5C1119FCB7" box="[1346,1825,746,790]" gridcol="3" gridrow="5" pageId="25" pageNumber="66">23–35</td>
</tr>
<tr id="35393485FFAA003EFF69FCAD1119FC8F" box="[147,1825,795,814]" gridrow="6" pageId="25" pageNumber="66" rowspan-0="1" rowspan-2="1" rowspan-3="1">
<td id="76E85DF9FFAA003EFF36FCAD14DBFC8F" box="[204,739,795,814]" gridcol="1" gridrow="6" pageId="25" pageNumber="66">Fig. 20</td>
</tr>
<tr id="35393485FFAA003EFF69FC821119FCC1" box="[147,1825,820,864]" gridrow="7" pageId="25" pageNumber="66">
<th id="76E85DF9FFAA003EFF69FC821696FCC1" box="[147,174,820,864]" gridcol="0" gridrow="7" pageId="25" pageNumber="66">6</th>
<td id="76E85DF9FFAA003EFF36FC8214DBFCC1" box="[204,739,820,864]" gridcol="1" gridrow="7" pageId="25" pageNumber="66">Right mandible: number of small spines between prostheca and mola (14)</td>
<td id="76E85DF9FFAA003EFCFBFC82128AFCC1" box="[769,1202,820,864]" gridcol="2" gridrow="7" pageId="25" pageNumber="66">10</td>
<td id="76E85DF9FFAA003EFAB8FC821119FCC1" box="[1346,1825,820,864]" gridcol="3" gridrow="7" pageId="25" pageNumber="66">12–17</td>
</tr>
<tr id="35393485FFAA003EFF69FCD01119FC30" box="[147,1825,870,913]" gridrow="8" pageId="25" pageNumber="66">
<th id="76E85DF9FFAA003EFF69FCD01696FC30" box="[147,174,870,913]" gridcol="0" gridrow="8" pageId="25" pageNumber="66">7</th>
<td id="76E85DF9FFAA003EFF36FCD014DBFC30" box="[204,739,870,913]" gridcol="1" gridrow="8" pageId="25" pageNumber="66">Left mandible: number of small spines between prostheca and mola (14)</td>
<td id="76E85DF9FFAA003EFCFBFCD0128AFC30" box="[769,1202,870,913]" gridcol="2" gridrow="8" pageId="25" pageNumber="66">9</td>
<td id="76E85DF9FFAA003EFAB8FCD01119FC30" box="[1346,1825,870,913]" gridcol="3" gridrow="8" pageId="25" pageNumber="66">9–10</td>
</tr>
<tr id="35393485FFAA003EFF69FC251119FC0A" box="[147,1825,915,939]" gridrow="9" pageId="25" pageNumber="66">
<th id="76E85DF9FFAA003EFF69FC251696FC0A" box="[147,174,915,939]" gridcol="0" gridrow="9" pageId="25" pageNumber="66">8</th>
<td id="76E85DF9FFAA003EFF36FC2514DBFC0A" box="[204,739,915,939]" gridcol="1" gridrow="9" pageId="25" pageNumber="66">Right prostheca: shape (15)</td>
<td id="76E85DF9FFAA003EFCFBFC25128AFC0A" box="[769,1202,915,939]" gridcol="2" gridrow="9" pageId="25" pageNumber="66">stick-like</td>
<td id="76E85DF9FFAA003EFAB8FC251119FC0A" box="[1346,1825,915,939]" gridcol="3" gridrow="9" pageId="25" pageNumber="66">stick-like</td>
</tr>
<tr id="35393485FFAA003EFF69FC0F1119FC6D" box="[147,1825,953,972]" gridrow="10" pageId="25" pageNumber="66">
<th id="76E85DF9FFAA003EFF69FC0F1696FC6D" box="[147,174,953,972]" gridcol="0" gridrow="10" pageId="25" pageNumber="66">9</th>
<td id="76E85DF9FFAA003EFF36FC0F14DBFC6D" box="[204,739,953,972]" gridcol="1" gridrow="10" pageId="25" pageNumber="66">Left prostheca: number of spines</td>
<td id="76E85DF9FFAA003EFCFBFC0F128AFC6D" box="[769,1202,953,972]" gridcol="2" gridrow="10" pageId="25" pageNumber="66">11–13 (8–10 rounded; 2–3 blunt or pointed)</td>
<td id="76E85DF9FFAA003EFAB8FC0F1119FC6D" box="[1346,1825,953,972]" gridcol="3" gridrow="10" pageId="25" pageNumber="66">11–14 (7–11 rounded; 3–4 blunt or pointed)</td>
</tr>
<tr id="35393485FFAA003EFF69FC641119FC5F" box="[147,1825,978,1022]" gridrow="11" pageId="25" pageNumber="66">
<th id="76E85DF9FFAA003EFF69FC641696FC5F" box="[147,174,978,1022]" gridcol="0" gridrow="11" pageId="25" pageNumber="66">10</th>
<td id="76E85DF9FFAA003EFF36FC6414DBFC5F" box="[204,739,978,1022]" gridcol="1" gridrow="11" pageId="25" pageNumber="66">Fig. 19 Mandibles: surface (16)</td>
<td id="76E85DF9FFAA003EFCFBFC64128AFC5F" box="[769,1202,978,1022]" gridcol="2" gridrow="11" pageId="25" pageNumber="66">no setae and scales</td>
<td id="76E85DF9FFAA003EFAB8FC641119FC5F" box="[1346,1825,978,1022]" gridcol="3" gridrow="11" pageId="25" pageNumber="66">no setae and scales</td>
</tr>
<tr id="35393485FFAA003EFF69FBBE1119FB81" box="[147,1825,1032,1056]" gridrow="12" pageId="25" pageNumber="66">
<th id="76E85DF9FFAA003EFF69FBBE1696FB81" box="[147,174,1032,1056]" gridcol="0" gridrow="12" pageId="25" pageNumber="66">11</th>
<td id="76E85DF9FFAA003EFF36FBBE14DBFB81" box="[204,739,1032,1056]" gridcol="1" gridrow="12" pageId="25" pageNumber="66">Hypopharynx: tuft of setae-like spines (17)</td>
<td id="76E85DF9FFAA003EFCFBFBBE128AFB81" box="[769,1202,1032,1056]" gridcol="2" gridrow="12" pageId="25" pageNumber="66">absent</td>
<td id="76E85DF9FFAA003EFAB8FBBE1119FB81" box="[1346,1825,1032,1056]" gridcol="3" gridrow="12" pageId="25" pageNumber="66">absent</td>
</tr>
<tr id="35393485FFAA003EFF69FB991119FBE3" box="[147,1825,1071,1090]" gridrow="13" pageId="25" pageNumber="66">
<th id="76E85DF9FFAA003EFF69FB991696FBE3" box="[147,174,1071,1090]" gridcol="0" gridrow="13" pageId="25" pageNumber="66">12</th>
<td id="76E85DF9FFAA003EFF36FB9914DBFBE3" box="[204,739,1071,1090]" gridcol="1" gridrow="13" pageId="25" pageNumber="66">Glossae: number of stout bristles on outer margin</td>
<td id="76E85DF9FFAA003EFCFBFB99128AFBE3" box="[769,1202,1071,1090]" gridcol="2" gridrow="13" pageId="25" pageNumber="66">9–10</td>
<td id="76E85DF9FFAA003EFAB8FB991119FBE3" box="[1346,1825,1071,1090]" gridcol="3" gridrow="13" pageId="25" pageNumber="66">6–9</td>
</tr>
<tr id="35393485FFAA003EFF69FBFE1119FBFA" box="[147,1825,1096,1115]" gridrow="14" pageId="25" pageNumber="66" rowspan-0="1" rowspan-2="1" rowspan-3="1">
<td id="76E85DF9FFAA003EFF36FBFE14DBFBFA" box="[204,739,1096,1115]" gridcol="1" gridrow="14" pageId="25" pageNumber="66">Figs 21, 72</td>
</tr>
<tr id="35393485FFAA003EFF69FBD71119FBD5" box="[147,1825,1121,1140]" gridrow="15" pageId="25" pageNumber="66">
<th id="76E85DF9FFAA003EFF69FBD71696FBD5" box="[147,174,1121,1140]" gridcol="0" gridrow="15" pageId="25" pageNumber="66">13</th>
<td id="76E85DF9FFAA003EFF36FBD714DBFBD5" box="[204,739,1121,1140]" gridcol="1" gridrow="15" pageId="25" pageNumber="66">Glossae: number of stout bristles along inner margin</td>
<td id="76E85DF9FFAA003EFCFBFBD7128AFBD5" box="[769,1202,1121,1140]" gridcol="2" gridrow="15" pageId="25" pageNumber="66">10–11</td>
<td id="76E85DF9FFAA003EFAB8FBD71119FBD5" box="[1346,1825,1121,1140]" gridcol="3" gridrow="15" pageId="25" pageNumber="66">9–12</td>
</tr>
<tr id="35393485FFAA003EFF69FBC81119FB37" box="[147,1825,1150,1174]" gridrow="16" pageId="25" pageNumber="66">
<th id="76E85DF9FFAA003EFF69FBC81696FB37" box="[147,174,1150,1174]" gridcol="0" gridrow="16" pageId="25" pageNumber="66">14</th>
<td id="76E85DF9FFAA003EFF36FBC814DBFB37" box="[204,739,1150,1174]" gridcol="1" gridrow="16" pageId="25" pageNumber="66">Glossae: number of subapical setae [dorsally] (18)</td>
<td id="76E85DF9FFAA003EFCFBFBC8128AFB37" box="[769,1202,1150,1174]" gridcol="2" gridrow="16" pageId="25" pageNumber="66">0</td>
<td id="76E85DF9FFAA003EFAB8FBC81119FB37" box="[1346,1825,1150,1174]" gridcol="3" gridrow="16" pageId="25" pageNumber="66">4–5</td>
</tr>
<tr id="35393485FFAA003EFF69FB131119FB71" box="[147,1825,1189,1232]" gridrow="17" pageId="25" pageNumber="66">
<th id="76E85DF9FFAA003EFF69FB131696FB71" box="[147,174,1189,1232]" gridcol="0" gridrow="17" pageId="25" pageNumber="66">15</th>
<td id="76E85DF9FFAA003EFF36FB1314DBFB71" box="[204,739,1189,1232]" gridcol="1" gridrow="17" pageId="25" pageNumber="66">Paraglossae: number of regular rows of apical bristles [dorsally] (19)</td>
<td id="76E85DF9FFAA003EFCFBFB13128AFB71" box="[769,1202,1189,1232]" gridcol="2" gridrow="17" pageId="25" pageNumber="66">2</td>
<td id="76E85DF9FFAA003EFAB8FB131119FB71" box="[1346,1825,1189,1232]" gridcol="3" gridrow="17" pageId="25" pageNumber="66">3</td>
</tr>
<tr id="35393485FFAA003EFF69FB601119FB48" box="[147,1825,1238,1257]" gridrow="18" pageId="25" pageNumber="66" rowspan-0="1" rowspan-2="1" rowspan-3="1">
<td id="76E85DF9FFAA003EFF36FB6014DBFB48" box="[204,739,1238,1257]" gridcol="1" gridrow="18" pageId="25" pageNumber="66">Figs 22, 72, 73</td>
</tr>
<tr id="35393485FFAA003EFF69FB591119FAA3" box="[147,1825,1263,1282]" gridrow="19" pageId="25" pageNumber="66">
<th id="76E85DF9FFAA003EFF69FB591696FAA3" box="[147,174,1263,1282]" gridcol="0" gridrow="19" pageId="25" pageNumber="66">16</th>
<td id="76E85DF9FFAA003EFF36FB5914DBFAA3" box="[204,739,1263,1282]" gridcol="1" gridrow="19" pageId="25" pageNumber="66">Paraglossae: number of medium bristles on surface [ventrally]</td>
<td id="76E85DF9FFAA003EFCFBFB59128AFAA3" box="[769,1202,1263,1282]" gridcol="2" gridrow="19" pageId="25" pageNumber="66">4–5</td>
<td id="76E85DF9FFAA003EFAB8FB591119FAA3" box="[1346,1825,1263,1282]" gridcol="3" gridrow="19" pageId="25" pageNumber="66">3–5</td>
</tr>
<tr id="35393485FFAA003EFF69FAA71119FA85" box="[147,1825,1297,1316]" gridrow="20" pageId="25" pageNumber="66">
<th id="76E85DF9FFAA003EFF69FAA71696FA85" box="[147,174,1297,1316]" gridcol="0" gridrow="20" pageId="25" pageNumber="66">17</th>
<td id="76E85DF9FFAA003EFF36FAA714DBFA85" box="[204,739,1297,1316]" gridcol="1" gridrow="20" pageId="25" pageNumber="66">Segment II of labial palps: number of long setae [dorsally]</td>
<td id="76E85DF9FFAA003EFCFBFAA7128AFA85" box="[769,1202,1297,1316]" gridcol="2" gridrow="20" pageId="25" pageNumber="66">5–6</td>
<td id="76E85DF9FFAA003EFAB8FAA71119FA85" box="[1346,1825,1297,1316]" gridcol="3" gridrow="20" pageId="25" pageNumber="66">5–6</td>
</tr>
<tr id="35393485FFAA003EFF69FA9C1119FA9C" box="[147,1825,1322,1341]" gridrow="21" pageId="25" pageNumber="66" rowspan-0="1" rowspan-2="1" rowspan-3="1">
<td id="76E85DF9FFAA003EFF36FA9C14DBFA9C" box="[204,739,1322,1341]" gridcol="1" gridrow="21" pageId="25" pageNumber="66">Fig. 25</td>
</tr>
<tr id="35393485FFAA003EFF69FAF51119FAF7" box="[147,1825,1347,1366]" gridrow="22" pageId="25" pageNumber="66">
<th id="76E85DF9FFAA003EFF69FAF51696FAF7" box="[147,174,1347,1366]" gridcol="0" gridrow="22" pageId="25" pageNumber="66">18</th>
<td id="76E85DF9FFAA003EFF36FAF514DBFAF7" box="[204,739,1347,1366]" gridcol="1" gridrow="22" pageId="25" pageNumber="66">Segment III of labial palps: shape</td>
<td id="76E85DF9FFAA003EFCFBFAF5128AFAF7" box="[769,1202,1347,1366]" gridcol="2" gridrow="22" pageId="25" pageNumber="66">oblong-shaped;</td>
<td id="76E85DF9FFAA003EFAB8FAF51119FAF7" box="[1346,1825,1347,1366]" gridcol="3" gridrow="22" pageId="25" pageNumber="66">oblong-shaped;</td>
</tr>
<tr id="35393485FFAA003EFF69FAED1119FACF" box="[147,1825,1371,1390]" gridrow="23" pageId="25" pageNumber="66" rowspan-0="1">
<td id="76E85DF9FFAA003EFF36FAED14DBFACF" box="[204,739,1371,1390]" gridcol="1" gridrow="23" pageId="25" pageNumber="66">Figs 23–25, 72, 73</td>
<td id="76E85DF9FFAA003EFCFBFAED128AFACF" box="[769,1202,1371,1390]" gridcol="2" gridrow="23" pageId="25" pageNumber="66">inner margin nearly straight or slightly concave</td>
<td id="76E85DF9FFAA003EFAB8FAED1119FACF" box="[1346,1825,1371,1390]" gridcol="3" gridrow="23" pageId="25" pageNumber="66">inner margin nearly straight or slightly concave</td>
</tr>
<tr id="35393485FFAA003EFF69FAC21119FA26" box="[147,1825,1396,1415]" gridrow="24" pageId="25" pageNumber="66" rowspan-2="1" rowspan-3="1">
<th id="76E85DF9FFAA003EFF69FAC214DBFA26" box="[147,739,1396,1415]" colspan="2" colspanRight="1" gridcol="0" gridrow="24" pageId="25" pageNumber="66">
XI. 
<emphasis id="B97DEAD5FFAAFFD8FF4FFAC2140FFA26" box="[181,567,1396,1415]" italics="true" pageId="25" pageNumber="66">Thorax and legs (colour, shape and setation)</emphasis>
</th>
</tr>
<tr id="35393485FFAA003EFF69FA271119FA08" box="[147,1825,1425,1449]" gridrow="25" pageId="25" pageNumber="66">
<th id="76E85DF9FFAA003EFF69FA271696FA08" box="[147,174,1425,1449]" gridcol="0" gridrow="25" pageId="25" pageNumber="66">1</th>
<td id="76E85DF9FFAA003EFF36FA2714DBFA08" box="[204,739,1425,1449]" gridcol="1" gridrow="25" pageId="25" pageNumber="66">Colour pattern: pronotum (20)</td>
<td id="76E85DF9FFAA003EFCFBFA27128AFA08" box="[769,1202,1425,1449]" gridcol="2" gridrow="25" pageId="25" pageNumber="66">pair of diffuse oblique stokes diverge from middle</td>
<td id="76E85DF9FFAA003EFAB8FA271119FA08" box="[1346,1825,1425,1449]" gridcol="3" gridrow="25" pageId="25" pageNumber="66">2–4 (rarely 5) pairs of pale spots centrally and laterally;</td>
</tr>
<tr id="35393485FFAA003EFF69FA191119FA63" box="[147,1825,1455,1474]" gridrow="26" pageId="25" pageNumber="66" rowspan-0="1" rowspan-1="1" rowspan-2="1">
<td id="76E85DF9FFAA003EFAB8FA191119FA63" box="[1346,1825,1455,1474]" gridcol="3" gridrow="26" pageId="25" pageNumber="66">occasionally longitudinal median band</td>
</tr>
<tr id="35393485FFAA003EFF69FA7E1119FA7A" box="[147,1825,1480,1499]" gridrow="27" pageId="25" pageNumber="66">
<th id="76E85DF9FFAA003EFF69FA7E1696FA7A" box="[147,174,1480,1499]" gridcol="0" gridrow="27" pageId="25" pageNumber="66">2</th>
<td id="76E85DF9FFAA003EFF36FA7E14DBFA7A" box="[204,739,1480,1499]" gridcol="1" gridrow="27" pageId="25" pageNumber="66">Surface of pronotum: setation</td>
<td id="76E85DF9FFAA003EFCFBFA7E128AFA7A" box="[769,1202,1480,1499]" gridcol="2" gridrow="27" pageId="25" pageNumber="66">
<emphasis id="B97DEAD5FFAAFFD8FCFBFA7E1521FA7A" box="[769,793,1480,1499]" italics="true" pageId="25" pageNumber="66">Hr</emphasis>
[dominant], sparse 
<emphasis id="B97DEAD5FFAAFFD8FC3EFA7E1231FA7A" box="[964,1033,1480,1499]" italics="true" pageId="25" pageNumber="66">SCS-pet</emphasis>
and 
<emphasis id="B97DEAD5FFAAFFD8FBC9FA7E1278FA7A" box="[1075,1088,1480,1499]" italics="true" pageId="25" pageNumber="66">B</emphasis>
</td>
<td id="76E85DF9FFAA003EFAB8FA7E1119FA7A" box="[1346,1825,1480,1499]" gridcol="3" gridrow="27" pageId="25" pageNumber="66">
<emphasis id="B97DEAD5FFAAFFD8FAB9FA7E1363FA7A" box="[1347,1371,1480,1499]" italics="true" pageId="25" pageNumber="66">Hr</emphasis>
and 
<emphasis id="B97DEAD5FFAAFFD8FA7FFA7E13F2FA7A" box="[1413,1482,1480,1499]" italics="true" pageId="25" pageNumber="66">SCS-pet</emphasis>
[dominant], sparse 
<emphasis id="B97DEAD5FFAAFFD8F98EFA7E10B9FA7A" box="[1652,1665,1480,1499]" italics="true" pageId="25" pageNumber="66">B</emphasis>
</td>
</tr>
<tr id="35393485FFAA003EFF69FA5C1119FA5C" box="[147,1825,1514,1533]" gridrow="28" pageId="25" pageNumber="66">
<th id="76E85DF9FFAA003EFF69FA5C1696FA5C" box="[147,174,1514,1533]" gridcol="0" gridrow="28" pageId="25" pageNumber="66">3</th>
<td id="76E85DF9FFAA003EFF36FA5C14DBFA5C" box="[204,739,1514,1533]" gridcol="1" gridrow="28" pageId="25" pageNumber="66">Hind wing pads</td>
<td id="76E85DF9FFAA003EFCFBFA5C128AFA5C" box="[769,1202,1514,1533]" gridcol="2" gridrow="28" pageId="25" pageNumber="66">present</td>
<td id="76E85DF9FFAA003EFAB8FA5C1119FA5C" box="[1346,1825,1514,1533]" gridcol="3" gridrow="28" pageId="25" pageNumber="66">present</td>
</tr>
<tr id="35393485FFAA003EFF69F9B11119F9BE" box="[147,1825,1543,1567]" gridrow="29" pageId="25" pageNumber="66">
<th id="76E85DF9FFAA003EFF69F9B11696F9BE" box="[147,174,1543,1567]" gridcol="0" gridrow="29" pageId="25" pageNumber="66">4</th>
<td id="76E85DF9FFAA003EFF36F9B114DBF9BE" box="[204,739,1543,1567]" gridcol="1" gridrow="29" pageId="25" pageNumber="66">Colour pattern: femora [dorsally] (21)</td>
<td id="76E85DF9FFAA003EFCFBF9B1128AF9BE" box="[769,1202,1543,1567]" gridcol="2" gridrow="29" pageId="25" pageNumber="66">inconspicuous diffuse yellowish spot centrally</td>
<td id="76E85DF9FFAA003EFAB8F9B11119F9BE" box="[1346,1825,1543,1567]" gridcol="3" gridrow="29" pageId="25" pageNumber="66">inconspicuous diffuse brownish spot centrally</td>
</tr>
<tr id="35393485FFAA003EFF69F9981119F9E0" box="[147,1825,1582,1601]" gridrow="30" pageId="25" pageNumber="66">
<th id="76E85DF9FFAA003EFF69F9981696F9E0" box="[147,174,1582,1601]" gridcol="0" gridrow="30" pageId="25" pageNumber="66">5</th>
<td id="76E85DF9FFAA003EFF36F99814DBF9E0" box="[204,739,1582,1601]" gridcol="1" gridrow="30" pageId="25" pageNumber="66">Surface of legs [dorsally]: setation</td>
<td id="76E85DF9FFAA003EFCFBF998128AF9E0" box="[769,1202,1582,1601]" gridcol="2" gridrow="30" pageId="25" pageNumber="66">
<emphasis id="B97DEAD5FFAAFFD8FCFBF9981504F9E0" box="[769,828,1582,1601]" italics="true" pageId="25" pageNumber="66">SC-pet</emphasis>
[dominant], 
<emphasis id="B97DEAD5FFAAFFD8FC56F99815C9F9E0" box="[940,1009,1582,1601]" italics="true" pageId="25" pageNumber="66">SCS-pet</emphasis>
, 
<emphasis id="B97DEAD5FFAAFFD8FC06F998122CF9E0" box="[1020,1044,1582,1601]" italics="true" pageId="25" pageNumber="66">Hr</emphasis>
, 
<emphasis id="B97DEAD5FFAAFFD8FBE4F9981213F9E0" box="[1054,1067,1582,1601]" italics="true" pageId="25" pageNumber="66">B</emphasis>
</td>
<td id="76E85DF9FFAA003EFAB8F9981119F9E0" box="[1346,1825,1582,1601]" gridcol="3" gridrow="30" pageId="25" pageNumber="66">
<emphasis id="B97DEAD5FFAAFFD8FAB9F99813B0F9E0" box="[1347,1416,1582,1601]" italics="true" pageId="25" pageNumber="66">SCS-pet</emphasis>
[dominant], 
<emphasis id="B97DEAD5FFAAFFD8FA02F998100AF9E0" box="[1528,1586,1582,1601]" italics="true" pageId="25" pageNumber="66">SC-pet</emphasis>
, 
<emphasis id="B97DEAD5FFAAFFD8F9C7F998106DF9E0" box="[1597,1621,1582,1601]" italics="true" pageId="25" pageNumber="66">Hr</emphasis>
, 
<emphasis id="B97DEAD5FFAAFFD8F9A5F9981054F9E0" box="[1631,1644,1582,1601]" italics="true" pageId="25" pageNumber="66">B</emphasis>
</td>
</tr>
<tr id="35393485FFAA003EFF69F9F11119F9FB" box="[147,1825,1607,1626]" gridrow="31" pageId="25" pageNumber="66" rowspan-0="1" rowspan-2="1" rowspan-3="1">
<td id="76E85DF9FFAA003EFF36F9F114DBF9FB" box="[204,739,1607,1626]" gridcol="1" gridrow="31" pageId="25" pageNumber="66">Figs 26, 27, 36–38, 74</td>
</tr>
</table>
</paragraph>
<paragraph id="8BB636C7FFAAFFD8F9ABF9D71166F9D5" blockId="25.[1617,1886,1633,1652]" box="[1617,1886,1633,1652]" pageId="25" pageNumber="66">
<emphasis id="B97DEAD5FFAAFFD8F9ABF9D71166F9D5" box="[1617,1886,1633,1652]" italics="true" pageId="25" pageNumber="66">……continued on the next page</emphasis>
</paragraph>
<caption id="DF76664FFFA9FFDBFF69FDA2175AFD86" box="[147,354,532,551]" pageId="26" pageNumber="67">
<paragraph id="8BB636C7FFA9FFDBFF69FDA2175AFD86" blockId="26.[147,354,532,551]" box="[147,354,532,551]" pageId="26" pageNumber="67">
<emphasis id="B97DEAD5FFA9FFDBFF69FDA216CBFD86" bold="true" box="[147,243,532,551]" pageId="26" pageNumber="67">TABLE 1.</emphasis>
(Continued)
</paragraph>
</caption>
<paragraph id="8BB636C7FFA9FFDBFF6DFDE613E2F9C2" pageId="26" pageNumber="67">
<table id="F909C467FFA9003EFF69FD81114BF9C5" box="[147,1907,567,1636]" colsContinueFrom="25.[147,1825,571,1626]" colsContinueIn="27.[147,1825,561,977]" gridcols="4" gridrows="34" pageId="26" pageNumber="67">
<tr id="35393485FFA9003EFF69FD81114BFDDC" box="[147,1907,567,637]" gridrow="0" pageId="26" pageNumber="67">
<th id="76E85DF9FFA9003EFF69FD811697FDDC" box="[147,175,567,637]" gridcol="0" gridrow="0" pageId="26" pageNumber="67">N°</th>
<th id="76E85DF9FFA9003EFF37FD8114D7FDDC" box="[205,751,567,637]" gridcol="1" gridrow="0" pageId="26" pageNumber="67">
Characters [
<emphasis id="B97DEAD5FFA9FFDBFE99FDEB1464FDD1" box="[355,604,605,624]" italics="true" pageId="26" pageNumber="67">remarks; references; figures</emphasis>
]
</th>
<th id="76E85DF9FFA9003EFCF6FD811323FDDC" box="[780,1307,567,637]" gridcol="2" gridrow="0" pageId="26" pageNumber="67">
<taxonomicName id="4C094D44FFA9FFDBFC3FFD8112AEFDC2" authority="(Soldan &amp; Thomas, 1983)" authorityName="Soldan &amp; Thomas" authorityYear="1983" baseAuthorityName="Soldan &amp; Thomas" baseAuthorityYear="1983" class="Insecta" family="Baetidae" genus="Nigrobaetis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ephemeroptera" pageId="26" pageNumber="67" phylum="Arthropoda" rank="species" species="rhithralis">
<emphasis id="B97DEAD5FFA9FFDBFC3FFD811214FDEB" box="[965,1068,567,586]" italics="true" pageId="26" pageNumber="67">Nigrobaetis</emphasis>
<emphasis id="B97DEAD5FFA9FFDBFBC8FD8112BCFDEB" box="[1074,1156,567,586]" italics="true" pageId="26" pageNumber="67">rhithralis</emphasis>
(Soldán &amp; Thomas, 1983)
</taxonomicName>
; type material
</th>
<th id="76E85DF9FFA9003EFAADFD81114BFDDC" box="[1367,1907,567,637]" gridcol="3" gridrow="0" pageId="26" pageNumber="67">
<taxonomicName id="4C094D44FFA9FFDBF9F7FD811080FDC2" authority="(Bengtsson, 1912)" authorityName="Bengtsson" authorityYear="1912" baseAuthorityName="Bengtsson" baseAuthorityYear="1912" class="Insecta" family="Baetidae" genus="Nigrobaetis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ephemeroptera" pageId="26" pageNumber="67" phylum="Arthropoda" rank="species" species="digitatus">
<emphasis id="B97DEAD5FFA9FFDBF9F7FD81104CFDEB" box="[1549,1652,567,586]" italics="true" pageId="26" pageNumber="67">Nigrobaetis</emphasis>
<emphasis id="B97DEAD5FFA9FFDBF983FD8110FEFDEB" box="[1657,1734,567,586]" italics="true" pageId="26" pageNumber="67">digitatus</emphasis>
(Bengtsson, 1912)
</taxonomicName>
; Scandinavian Peninsula
</th>
</tr>
<tr id="35393485FFA9003EFF69FD32114BFD04" box="[147,1907,644,677]" gridrow="1" pageId="26" pageNumber="67">
<th id="76E85DF9FFA9003EFF69FD321697FD04" box="[147,175,644,677]" gridcol="0" gridrow="1" pageId="26" pageNumber="67">6</th>
<td id="76E85DF9FFA9003EFF37FD3214D7FD04" box="[205,751,644,677]" gridcol="1" gridrow="1" pageId="26" pageNumber="67">Number of stout setae along femora outer margin [dorsally] (22)</td>
<td id="76E85DF9FFA9003EFCF6FD321323FD04" box="[780,1307,644,677]" gridcol="2" gridrow="1" pageId="26" pageNumber="67">9–12</td>
<td id="76E85DF9FFA9003EFAADFD32114BFD04" box="[1367,1907,644,677]" gridcol="3" gridrow="1" pageId="26" pageNumber="67">11–14 [mainly 11–13]</td>
</tr>
<tr id="35393485FFA9003EFF69FD00114BFD68" box="[147,1907,694,713]" gridrow="2" pageId="26" pageNumber="67">
<th id="76E85DF9FFA9003EFF69FD001697FD68" box="[147,175,694,713]" gridcol="0" gridrow="2" pageId="26" pageNumber="67">7</th>
<td id="76E85DF9FFA9003EFF37FD0014D7FD68" box="[205,751,694,713]" gridcol="1" gridrow="2" pageId="26" pageNumber="67">Group of setae on outer margin of femora [dorsally]: distal</td>
<td id="76E85DF9FFA9003EFCF6FD001323FD68" box="[780,1307,694,713]" gridcol="2" gridrow="2" pageId="26" pageNumber="67">2 (rarely 3–4)</td>
<td id="76E85DF9FFA9003EFAADFD00114BFD68" box="[1367,1907,694,713]" gridcol="3" gridrow="2" pageId="26" pageNumber="67">2 (rarely 1)</td>
</tr>
<tr id="35393485FFA9003EFF69FD79114BFD43" box="[147,1907,719,738]" gridrow="3" pageId="26" pageNumber="67" rowspan-0="1" rowspan-2="1" rowspan-3="1">
<td id="76E85DF9FFA9003EFF37FD7914D7FD43" box="[205,751,719,738]" gridcol="1" gridrow="3" pageId="26" pageNumber="67">edge</td>
</tr>
<tr id="35393485FFA9003EFF69FD5E114BFD5A" box="[147,1907,744,763]" gridrow="4" pageId="26" pageNumber="67" rowspan-0="1" rowspan-2="1" rowspan-3="1">
<td id="76E85DF9FFA9003EFF37FD5E14D7FD5A" box="[205,751,744,763]" gridcol="1" gridrow="4" pageId="26" pageNumber="67">Figs 26, 38</td>
</tr>
<tr id="35393485FFA9003EFF69FCB4114BFCB4" box="[147,1907,770,789]" gridrow="5" pageId="26" pageNumber="67">
<th id="76E85DF9FFA9003EFF69FCB41697FCB4" box="[147,175,770,789]" gridcol="0" gridrow="5" pageId="26" pageNumber="67">8</th>
<td id="76E85DF9FFA9003EFF37FCB414D7FCB4" box="[205,751,770,789]" gridcol="1" gridrow="5" pageId="26" pageNumber="67">Number of stout setae along of femora inner margin [dorsally]</td>
<td id="76E85DF9FFA9003EFCF6FCB41323FCB4" box="[780,1307,770,789]" gridcol="2" gridrow="5" pageId="26" pageNumber="67">20–28</td>
<td id="76E85DF9FFA9003EFAADFCB4114BFCB4" box="[1367,1907,770,789]" gridcol="3" gridrow="5" pageId="26" pageNumber="67">18–24 (rarely 26–28)</td>
</tr>
<tr id="35393485FFA9003EFF69FC92114BFC96" box="[147,1907,804,823]" gridrow="6" pageId="26" pageNumber="67">
<th id="76E85DF9FFA9003EFF69FC921697FC96" box="[147,175,804,823]" gridcol="0" gridrow="6" pageId="26" pageNumber="67">9</th>
<td id="76E85DF9FFA9003EFF37FC9214D7FC96" box="[205,751,804,823]" gridcol="1" gridrow="6" pageId="26" pageNumber="67">Number of stout setae along tibia outer margin [dorsally]</td>
<td id="76E85DF9FFA9003EFCF6FC921323FC96" box="[780,1307,804,823]" gridcol="2" gridrow="6" pageId="26" pageNumber="67">1–7 (rarely 8)</td>
<td id="76E85DF9FFA9003EFAADFC92114BFC96" box="[1367,1907,804,823]" gridcol="3" gridrow="6" pageId="26" pageNumber="67">4–9 (rarely 10–12)</td>
</tr>
<tr id="35393485FFA9003EFF69FCF1114BFCFB" box="[147,1907,839,858]" gridrow="7" pageId="26" pageNumber="67">
<th id="76E85DF9FFA9003EFF69FCF11697FCFB" box="[147,175,839,858]" gridcol="0" gridrow="7" pageId="26" pageNumber="67">10</th>
<td id="76E85DF9FFA9003EFF37FCF114D7FCFB" box="[205,751,839,858]" gridcol="1" gridrow="7" pageId="26" pageNumber="67">Number of stout setae along tibia inner margin [dorsally]</td>
<td id="76E85DF9FFA9003EFCF6FCF11323FCFB" box="[780,1307,839,858]" gridcol="2" gridrow="7" pageId="26" pageNumber="67">22–26</td>
<td id="76E85DF9FFA9003EFAADFCF1114BFCFB" box="[1367,1907,839,858]" gridcol="3" gridrow="7" pageId="26" pageNumber="67">20–25</td>
</tr>
<tr id="35393485FFA9003EFF69FCDF114BFCDD" box="[147,1907,873,892]" gridrow="8" pageId="26" pageNumber="67">
<th id="76E85DF9FFA9003EFF69FCDF1697FCDD" box="[147,175,873,892]" gridcol="0" gridrow="8" pageId="26" pageNumber="67">11</th>
<td id="76E85DF9FFA9003EFF37FCDF14D7FCDD" box="[205,751,873,892]" gridcol="1" gridrow="8" pageId="26" pageNumber="67">Number of stout setae along tarsi inner margin [dorsally]</td>
<td id="76E85DF9FFA9003EFCF6FCDF1323FCDD" box="[780,1307,873,892]" gridcol="2" gridrow="8" pageId="26" pageNumber="67">14–25</td>
<td id="76E85DF9FFA9003EFAADFCDF114BFCDD" box="[1367,1907,873,892]" gridcol="3" gridrow="8" pageId="26" pageNumber="67">13–20</td>
</tr>
<tr id="35393485FFA9003EFF69FC3D114BFC3F" box="[147,1907,907,926]" gridrow="9" pageId="26" pageNumber="67">
<th id="76E85DF9FFA9003EFF69FC3D1697FC3F" box="[147,175,907,926]" gridcol="0" gridrow="9" pageId="26" pageNumber="67">12</th>
<td id="76E85DF9FFA9003EFF37FC3D14D7FC3F" box="[205,751,907,926]" gridcol="1" gridrow="9" pageId="26" pageNumber="67">Tarsal claw: number of spines</td>
<td id="76E85DF9FFA9003EFCF6FC3D1323FC3F" box="[780,1307,907,926]" gridcol="2" gridrow="9" pageId="26" pageNumber="67">12–16</td>
<td id="76E85DF9FFA9003EFAADFC3D114BFC3F" box="[1367,1907,907,926]" gridcol="3" gridrow="9" pageId="26" pageNumber="67">13–14</td>
</tr>
<tr id="35393485FFA9003EFF69FC13114BFC70" box="[147,1907,933,977]" gridrow="10" pageId="26" pageNumber="67">
<th id="76E85DF9FFA9003EFF69FC131697FC70" box="[147,175,933,977]" gridcol="0" gridrow="10" pageId="26" pageNumber="67">13</th>
<td id="76E85DF9FFA9003EFF37FC1314D7FC70" box="[205,751,933,977]" gridcol="1" gridrow="10" pageId="26" pageNumber="67">Figs 28, 39 Tarsal claw: presence of subapical tiny setae (23)</td>
<td id="76E85DF9FFA9003EFCF6FC131323FC70" box="[780,1307,933,977]" gridcol="2" gridrow="10" pageId="26" pageNumber="67">absent</td>
<td id="76E85DF9FFA9003EFAADFC13114BFC70" box="[1367,1907,933,977]" gridcol="3" gridrow="10" pageId="26" pageNumber="67">absent</td>
</tr>
<tr id="35393485FFA9003EFF69FC56114BFC52" box="[147,1907,992,1011]" gridrow="11" pageId="26" pageNumber="67">
<th id="76E85DF9FFA9003EFF69FC56114BFC52" box="[147,1907,992,1011]" colspan="4" colspanRight="3" gridcol="0" gridrow="11" pageId="26" pageNumber="67">
XII. 
<emphasis id="B97DEAD5FFA9FFDBFF46FC561433FC52" box="[188,523,992,1011]" italics="true" pageId="26" pageNumber="67">Abdomen (colour, shape and setation)</emphasis>
</th>
</tr>
<tr id="35393485FFA9003EFF69FC48114BFBB7" box="[147,1907,1022,1046]" gridrow="12" pageId="26" pageNumber="67">
<th id="76E85DF9FFA9003EFF69FC481697FBB7" box="[147,175,1022,1046]" gridcol="0" gridrow="12" pageId="26" pageNumber="67">1</th>
<td id="76E85DF9FFA9003EFF37FC4814D7FBB7" box="[205,751,1022,1046]" gridcol="1" gridrow="12" pageId="26" pageNumber="67">Colour pattern: terga II–VIII (24)</td>
<td id="76E85DF9FFA9003EFCF6FC481323FBB7" box="[780,1307,1022,1046]" gridcol="2" gridrow="12" pageId="26" pageNumber="67">
uniform; paramedian pair of pale strokes and spots (
<emphasis id="B97DEAD5FFA9FFDBFB2EFBB512D9FBB7" box="[1236,1249,1027,1046]" italics="true" pageId="26" pageNumber="67">A</emphasis>
)
</td>
<td id="76E85DF9FFA9003EFAADFC48114BFBB7" box="[1367,1907,1022,1046]" gridcol="3" gridrow="12" pageId="26" pageNumber="67">
variable; 
<emphasis id="B97DEAD5FFA9FFDBFA53FBB513F3FBB7" box="[1449,1483,1027,1046]" italics="true" pageId="26" pageNumber="67">B(i)</emphasis>
(occasionally)– 
<emphasis id="B97DEAD5FFA9FFDBF9ADFBB510BDFBB7" box="[1623,1669,1027,1046]" italics="true" pageId="26" pageNumber="67">B(iii)</emphasis>
</td>
</tr>
<tr id="35393485FFA9003EFF69FBAA114BFB8E" box="[147,1907,1052,1071]" gridrow="13" pageId="26" pageNumber="67" rowspan-0="1" rowspan-2="1" rowspan-3="1">
<td id="76E85DF9FFA9003EFF37FBAA14D7FB8E" box="[205,751,1052,1071]" gridcol="1" gridrow="13" pageId="26" pageNumber="67">
(see 
<emphasis id="B97DEAD5FFA9FFDBFF0CFBAA177AFB8E" box="[246,322,1052,1071]" italics="true" pageId="26" pageNumber="67">Remarks</emphasis>
for pattern types)
</td>
</tr>
<tr id="35393485FFA9003EFF69FB83114BFBE9" box="[147,1907,1077,1096]" gridrow="14" pageId="26" pageNumber="67">
<th id="76E85DF9FFA9003EFF69FB831697FBE9" box="[147,175,1077,1096]" gridcol="0" gridrow="14" pageId="26" pageNumber="67">2</th>
<td id="76E85DF9FFA9003EFF37FB8314D7FBE9" box="[205,751,1077,1096]" gridcol="1" gridrow="14" pageId="26" pageNumber="67">Surface of terga: setation</td>
<td id="76E85DF9FFA9003EFCF6FB831323FBE9" box="[780,1307,1077,1096]" gridcol="2" gridrow="14" pageId="26" pageNumber="67">
<emphasis id="B97DEAD5FFA9FFDBFCF6FB831570FBE9" box="[780,840,1077,1096]" italics="true" pageId="26" pageNumber="67">SC-pet</emphasis>
[dominant], 
<emphasis id="B97DEAD5FFA9FFDBFC43FB8315C7FBE9" box="[953,1023,1077,1096]" italics="true" pageId="26" pageNumber="67">SCS-pet</emphasis>
, 
<emphasis id="B97DEAD5FFA9FFDBFBF0FB80121AFBE9" box="[1034,1058,1078,1096]" italics="true" pageId="26" pageNumber="67">Hr</emphasis>
, 
<emphasis id="B97DEAD5FFA9FFDBFBD7FB801202FBE9" box="[1069,1082,1078,1096]" italics="true" pageId="26" pageNumber="67">B</emphasis>
</td>
<td id="76E85DF9FFA9003EFAADFB83114BFBE9" box="[1367,1907,1077,1096]" gridcol="3" gridrow="14" pageId="26" pageNumber="67">
<emphasis id="B97DEAD5FFA9FFDBFAADFB831399FBE9" box="[1367,1441,1077,1096]" italics="true" pageId="26" pageNumber="67">SCC-pet</emphasis>
[dominant], 
<emphasis id="B97DEAD5FFA9FFDBF9E8FB831076FBE9" box="[1554,1614,1077,1096]" italics="true" pageId="26" pageNumber="67">SC-pet</emphasis>
, 
<emphasis id="B97DEAD5FFA9FFDBF9A3FB801049FBE9" box="[1625,1649,1078,1096]" italics="true" pageId="26" pageNumber="67">Hr</emphasis>
, 
<emphasis id="B97DEAD5FFA9FFDBF986FB8010B1FBE9" box="[1660,1673,1078,1096]" italics="true" pageId="26" pageNumber="67">B</emphasis>
</td>
</tr>
<tr id="35393485FFA9003EFF69FBF8114BFBC0" box="[147,1907,1102,1121]" gridrow="15" pageId="26" pageNumber="67" rowspan-0="1" rowspan-2="1" rowspan-3="1">
<td id="76E85DF9FFA9003EFF37FBF814D7FBC0" box="[205,751,1102,1121]" gridcol="1" gridrow="15" pageId="26" pageNumber="67">Figs 51, 55–59, 75–79</td>
</tr>
<tr id="35393485FFA9003EFF69FBD1114BFBDB" box="[147,1907,1127,1146]" gridrow="16" pageId="26" pageNumber="67">
<th id="76E85DF9FFA9003EFF69FBD11697FBDB" box="[147,175,1127,1146]" gridcol="0" gridrow="16" pageId="26" pageNumber="67">3</th>
<td id="76E85DF9FFA9003EFF37FBD114D7FBDB" box="[205,751,1127,1146]" gridcol="1" gridrow="16" pageId="26" pageNumber="67">Posterior margin of terga I–III</td>
<td id="76E85DF9FFA9003EFCF6FBD11323FBDB" box="[780,1307,1127,1146]" gridcol="2" gridrow="16" pageId="26" pageNumber="67">shortening stout spines; spines grouped centrally in tergum I</td>
<td id="76E85DF9FFA9003EFAADFBD1114BFBDB" box="[1367,1907,1127,1146]" gridcol="3" gridrow="16" pageId="26" pageNumber="67">elongated, slender spines; almost the entire length of tergum I</td>
</tr>
<tr id="35393485FFA9003EFF69FB36114BFB0D" box="[147,1907,1152,1196]" gridrow="17" pageId="26" pageNumber="67">
<th id="76E85DF9FFA9003EFF69FB361697FB0D" box="[147,175,1152,1196]" gridcol="0" gridrow="17" pageId="26" pageNumber="67">4</th>
<td id="76E85DF9FFA9003EFF37FB3614D7FB0D" box="[205,751,1152,1196]" gridcol="1" gridrow="17" pageId="26" pageNumber="67">Figs 55, 75 Posterior margin of terga IV–VI (25)</td>
<td id="76E85DF9FFA9003EFCF6FB361323FB0D" box="[780,1307,1152,1196]" gridcol="2" gridrow="17" pageId="26" pageNumber="67">stout spines, large basally</td>
<td id="76E85DF9FFA9003EFAADFB36114BFB0D" box="[1367,1907,1152,1196]" gridcol="3" gridrow="17" pageId="26" pageNumber="67">elongated, slender spines</td>
</tr>
<tr id="35393485FFA9003EFF69FB04114BFB64" box="[147,1907,1202,1221]" gridrow="18" pageId="26" pageNumber="67" rowspan-0="1" rowspan-2="1" rowspan-3="1">
<td id="76E85DF9FFA9003EFF37FB0414D7FB64" box="[205,751,1202,1221]" gridcol="1" gridrow="18" pageId="26" pageNumber="67">Figs 52, 56, 57, 76</td>
</tr>
<tr id="35393485FFA9003EFF69FB7A114BFB7E" box="[147,1907,1228,1247]" gridrow="19" pageId="26" pageNumber="67">
<th id="76E85DF9FFA9003EFF69FB7A1697FB7E" box="[147,175,1228,1247]" gridcol="0" gridrow="19" pageId="26" pageNumber="67">5</th>
<td id="76E85DF9FFA9003EFF37FB7A14D7FB7E" box="[205,751,1228,1247]" gridcol="1" gridrow="19" pageId="26" pageNumber="67">Posterior margin of terga VII–X</td>
<td id="76E85DF9FFA9003EFCF6FB7A1323FB7E" box="[780,1307,1228,1247]" gridcol="2" gridrow="19" pageId="26" pageNumber="67">elongated stout spines</td>
<td id="76E85DF9FFA9003EFAADFB7A114BFB7E" box="[1367,1907,1228,1247]" gridcol="3" gridrow="19" pageId="26" pageNumber="67">elongated, slender spines</td>
</tr>
<tr id="35393485FFA9003EFF69FB53114BFB59" box="[147,1907,1253,1272]" gridrow="20" pageId="26" pageNumber="67" rowspan-0="1" rowspan-2="1" rowspan-3="1">
<td id="76E85DF9FFA9003EFF37FB5314D7FB59" box="[205,751,1253,1272]" gridcol="1" gridrow="20" pageId="26" pageNumber="67">Figs 58, 59, 79</td>
</tr>
<tr id="35393485FFA9003EFF69FB48114BFAB0" box="[147,1907,1278,1297]" gridrow="21" pageId="26" pageNumber="67">
<th id="76E85DF9FFA9003EFF69FB481697FAB0" box="[147,175,1278,1297]" gridcol="0" gridrow="21" pageId="26" pageNumber="67">6</th>
<td id="76E85DF9FFA9003EFF37FB4814D7FAB0" box="[205,751,1278,1297]" gridcol="1" gridrow="21" pageId="26" pageNumber="67">Surface of sterna: setation</td>
<td id="76E85DF9FFA9003EFCF6FB481323FAB0" box="[780,1307,1278,1297]" gridcol="2" gridrow="21" pageId="26" pageNumber="67">
<emphasis id="B97DEAD5FFA9FFDBFCF6FB48156BFAB0" box="[780,851,1278,1297]" italics="true" pageId="26" pageNumber="67">SCS-pet</emphasis>
[dominant], 
<emphasis id="B97DEAD5FFA9FFDBFC3EFB4815C7FAB0" box="[964,1023,1278,1297]" italics="true" pageId="26" pageNumber="67">SC-pet</emphasis>
, 
<emphasis id="B97DEAD5FFA9FFDBFBF0FB49121AFAB0" box="[1034,1058,1279,1297]" italics="true" pageId="26" pageNumber="67">Hr</emphasis>
, 
<emphasis id="B97DEAD5FFA9FFDBFBD7FB491202FAB0" box="[1069,1082,1279,1297]" italics="true" pageId="26" pageNumber="67">B</emphasis>
</td>
<td id="76E85DF9FFA9003EFAADFB48114BFAB0" box="[1367,1907,1278,1297]" gridcol="3" gridrow="21" pageId="26" pageNumber="67">
<emphasis id="B97DEAD5FFA9FFDBFAADFB4813A6FAB0" box="[1367,1438,1278,1297]" italics="true" pageId="26" pageNumber="67">SCS-pet</emphasis>
[dominant], 
<emphasis id="B97DEAD5FFA9FFDBF9F5FB481072FAB0" box="[1551,1610,1278,1297]" italics="true" pageId="26" pageNumber="67">SC-pet</emphasis>
, 
<emphasis id="B97DEAD5FFA9FFDBF9AFFB491055FAB0" box="[1621,1645,1279,1297]" italics="true" pageId="26" pageNumber="67">Hr</emphasis>
, 
<emphasis id="B97DEAD5FFA9FFDBF982FB4910BDFAB0" box="[1656,1669,1279,1297]" italics="true" pageId="26" pageNumber="67">B</emphasis>
</td>
</tr>
<tr id="35393485FFA9003EFF69FA96114BFA92" box="[147,1907,1312,1331]" gridrow="22" pageId="26" pageNumber="67">
<th id="76E85DF9FFA9003EFF69FA961697FA92" box="[147,175,1312,1331]" gridcol="0" gridrow="22" pageId="26" pageNumber="67">7</th>
<td id="76E85DF9FFA9003EFF37FA9614D7FA92" box="[205,751,1312,1331]" gridcol="1" gridrow="22" pageId="26" pageNumber="67">Posterior margin of sterna VI–X: shape of spines</td>
<td id="76E85DF9FFA9003EFCF6FA961323FA92" box="[780,1307,1312,1331]" gridcol="2" gridrow="22" pageId="26" pageNumber="67">elongated, slender, pointed or bluntly pointed apically</td>
<td id="76E85DF9FFA9003EFAADFA96114BFA92" box="[1367,1907,1312,1331]" gridcol="3" gridrow="22" pageId="26" pageNumber="67">elongated, triangular, sharply pointed apically</td>
</tr>
<tr id="35393485FFA9003EFF69FAF5114BFAF7" box="[147,1907,1347,1366]" gridrow="23" pageId="26" pageNumber="67">
<th id="76E85DF9FFA9003EFF69FAF51697FAF7" box="[147,175,1347,1366]" gridcol="0" gridrow="23" pageId="26" pageNumber="67">8</th>
<td id="76E85DF9FFA9003EFF37FAF514D7FAF7" box="[205,751,1347,1366]" gridcol="1" gridrow="23" pageId="26" pageNumber="67">Number of gill pairs</td>
<td id="76E85DF9FFA9003EFCF6FAF51323FAF7" box="[780,1307,1347,1366]" gridcol="2" gridrow="23" pageId="26" pageNumber="67">6</td>
<td id="76E85DF9FFA9003EFAADFAF5114BFAF7" box="[1367,1907,1347,1366]" gridcol="3" gridrow="23" pageId="26" pageNumber="67">6</td>
</tr>
<tr id="35393485FFA9003EFF69FAD3114BFAD9" box="[147,1907,1381,1400]" gridrow="24" pageId="26" pageNumber="67">
<th id="76E85DF9FFA9003EFF69FAD31697FAD9" box="[147,175,1381,1400]" gridcol="0" gridrow="24" pageId="26" pageNumber="67">9</th>
<td id="76E85DF9FFA9003EFF37FAD314D7FAD9" box="[205,751,1381,1400]" gridcol="1" gridrow="24" pageId="26" pageNumber="67">Surface of gills: setation</td>
<td id="76E85DF9FFA9003EFCF6FAD31323FAD9" box="[780,1307,1381,1400]" gridcol="2" gridrow="24" pageId="26" pageNumber="67">
<emphasis id="B97DEAD5FFA9FFDBFCF6FAD31570FAD9" box="[780,840,1381,1400]" italics="true" pageId="26" pageNumber="67">SC-pet</emphasis>
[dominant], sparse 
<emphasis id="B97DEAD5FFA9FFDBFC0FFAD31204FAD9" box="[1013,1084,1381,1400]" italics="true" pageId="26" pageNumber="67">SCS-pet</emphasis>
, 
<emphasis id="B97DEAD5FFA9FFDBFBBCFAD01266FAD9" box="[1094,1118,1382,1400]" italics="true" pageId="26" pageNumber="67">Hr</emphasis>
, 
<emphasis id="B97DEAD5FFA9FFDBFB90FAD0124FFAD9" box="[1130,1143,1382,1400]" italics="true" pageId="26" pageNumber="67">B</emphasis>
</td>
<td id="76E85DF9FFA9003EFAADFAD3114BFAD9" box="[1367,1907,1381,1400]" gridcol="3" gridrow="24" pageId="26" pageNumber="67">
<emphasis id="B97DEAD5FFA9FFDBFAADFAD313A5FAD9" box="[1367,1437,1381,1400]" italics="true" pageId="26" pageNumber="67">SCS-pet</emphasis>
[dominant], sparse 
<emphasis id="B97DEAD5FFA9FFDBF9B1FAD310BEFAD9" box="[1611,1670,1381,1400]" italics="true" pageId="26" pageNumber="67">SC-pet</emphasis>
, 
<emphasis id="B97DEAD5FFA9FFDBF96BFAD01091FAD9" box="[1681,1705,1382,1400]" italics="true" pageId="26" pageNumber="67">Hr</emphasis>
, 
<emphasis id="B97DEAD5FFA9FFDBF94FFAD010FAFAD9" box="[1717,1730,1382,1400]" italics="true" pageId="26" pageNumber="67">B</emphasis>
</td>
</tr>
<tr id="35393485FFA9003EFF69FA35114BFA3A" box="[147,1907,1411,1435]" gridrow="25" pageId="26" pageNumber="67">
<th id="76E85DF9FFA9003EFF69FA351697FA3A" box="[147,175,1411,1435]" gridcol="0" gridrow="25" pageId="26" pageNumber="67">10</th>
<td id="76E85DF9FFA9003EFF37FA3514D7FA3A" box="[205,751,1411,1435]" gridcol="1" gridrow="25" pageId="26" pageNumber="67">Gill II: shape and proportion [length/width ratio] (26)</td>
<td id="76E85DF9FFA9003EFCF6FA351323FA3A" box="[780,1307,1411,1435]" gridcol="2" gridrow="25" pageId="26" pageNumber="67">asymmetric;</td>
<td id="76E85DF9FFA9003EFAADFA35114BFA3A" box="[1367,1907,1411,1435]" gridcol="3" gridrow="25" pageId="26" pageNumber="67">slightly asymmetric:</td>
</tr>
<tr id="35393485FFA9003EFF69FA17114BFA15" box="[147,1907,1441,1460]" gridrow="26" pageId="26" pageNumber="67" rowspan-0="1">
<td id="76E85DF9FFA9003EFF37FA1714D7FA15" box="[205,751,1441,1460]" gridcol="1" gridrow="26" pageId="26" pageNumber="67">Figs 40, 41</td>
<td id="76E85DF9FFA9003EFCF6FA171323FA15" box="[780,1307,1441,1460]" gridcol="2" gridrow="26" pageId="26" pageNumber="67">2.39–2.60</td>
<td id="76E85DF9FFA9003EFAADFA17114BFA15" box="[1367,1907,1441,1460]" gridcol="3" gridrow="26" pageId="26" pageNumber="67">2.08–2.12</td>
</tr>
<tr id="35393485FFA9003EFF69FA0C114BFA6C" box="[147,1907,1466,1485]" gridrow="27" pageId="26" pageNumber="67">
<th id="76E85DF9FFA9003EFF69FA0C1697FA6C" box="[147,175,1466,1485]" gridcol="0" gridrow="27" pageId="26" pageNumber="67">11</th>
<td id="76E85DF9FFA9003EFF37FA0C14D7FA6C" box="[205,751,1466,1485]" gridcol="1" gridrow="27" pageId="26" pageNumber="67">Gill IV: shape and proportion [length/width ratio]</td>
<td id="76E85DF9FFA9003EFCF6FA0C1323FA6C" box="[780,1307,1466,1485]" gridcol="2" gridrow="27" pageId="26" pageNumber="67">slightly asymmetric;</td>
<td id="76E85DF9FFA9003EFAADFA0C114BFA6C" box="[1367,1907,1466,1485]" gridcol="3" gridrow="27" pageId="26" pageNumber="67">slightly asymmetric;</td>
</tr>
<tr id="35393485FFA9003EFF69FA65114BFA47" box="[147,1907,1491,1510]" gridrow="28" pageId="26" pageNumber="67" rowspan-0="1">
<td id="76E85DF9FFA9003EFF37FA6514D7FA47" box="[205,751,1491,1510]" gridcol="1" gridrow="28" pageId="26" pageNumber="67">Fig. 43</td>
<td id="76E85DF9FFA9003EFCF6FA651323FA47" box="[780,1307,1491,1510]" gridcol="2" gridrow="28" pageId="26" pageNumber="67">2.02–2.07</td>
<td id="76E85DF9FFA9003EFAADFA65114BFA47" box="[1367,1907,1491,1510]" gridcol="3" gridrow="28" pageId="26" pageNumber="67">2.10–2.20</td>
</tr>
<tr id="35393485FFA9003EFF69FA5A114BFA5E" box="[147,1907,1516,1535]" gridrow="29" pageId="26" pageNumber="67">
<th id="76E85DF9FFA9003EFF69FA5A1697FA5E" box="[147,175,1516,1535]" gridcol="0" gridrow="29" pageId="26" pageNumber="67">12</th>
<td id="76E85DF9FFA9003EFF37FA5A14D7FA5E" box="[205,751,1516,1535]" gridcol="1" gridrow="29" pageId="26" pageNumber="67">Gill VI: shape and proportion [length/width ratio]</td>
<td id="76E85DF9FFA9003EFCF6FA5A1323FA5E" box="[780,1307,1516,1535]" gridcol="2" gridrow="29" pageId="26" pageNumber="67">asymmetric; 2.42–2.45</td>
<td id="76E85DF9FFA9003EFAADFA5A114BFA5E" box="[1367,1907,1516,1535]" gridcol="3" gridrow="29" pageId="26" pageNumber="67">nearly symmetrical;</td>
</tr>
<tr id="35393485FFA9003EFF69F9B3114BF9B9" box="[147,1907,1541,1560]" gridrow="30" pageId="26" pageNumber="67" rowspan-0="1" rowspan-2="1">
<td id="76E85DF9FFA9003EFF37F9B314D7F9B9" box="[205,751,1541,1560]" gridcol="1" gridrow="30" pageId="26" pageNumber="67">Fig. 45</td>
<td id="76E85DF9FFA9003EFAADF9B3114BF9B9" box="[1367,1907,1541,1560]" gridcol="3" gridrow="30" pageId="26" pageNumber="67">2.20–2.25</td>
</tr>
<tr id="35393485FFA9003EFF69F9A9114BF993" box="[147,1907,1567,1586]" gridrow="31" pageId="26" pageNumber="67">
<th id="76E85DF9FFA9003EFF69F9A91697F993" box="[147,175,1567,1586]" gridcol="0" gridrow="31" pageId="26" pageNumber="67">13</th>
<td id="76E85DF9FFA9003EFF37F9A914D7F993" box="[205,751,1567,1586]" gridcol="1" gridrow="31" pageId="26" pageNumber="67">Gill VII: shape and proportion [length/width ratio]</td>
<td id="76E85DF9FFA9003EFCF6F9A91323F993" box="[780,1307,1567,1586]" gridcol="2" gridrow="31" pageId="26" pageNumber="67">slightly asymmetric or nearly symmetrical;</td>
<td id="76E85DF9FFA9003EFAADF9A9114BF993" box="[1367,1907,1567,1586]" gridcol="3" gridrow="31" pageId="26" pageNumber="67">strongly asymmetric;</td>
</tr>
<tr id="35393485FFA9003EFF69F98E114BF9EA" box="[147,1907,1592,1611]" gridrow="32" pageId="26" pageNumber="67" rowspan-0="1">
<td id="76E85DF9FFA9003EFF37F98E14D7F9EA" box="[205,751,1592,1611]" gridcol="1" gridrow="32" pageId="26" pageNumber="67">Figs 46–48</td>
<td id="76E85DF9FFA9003EFCF6F98E1323F9EA" box="[780,1307,1592,1611]" gridcol="2" gridrow="32" pageId="26" pageNumber="67">3.36–3.67</td>
<td id="76E85DF9FFA9003EFAADF98E114BF9EA" box="[1367,1907,1592,1611]" gridcol="3" gridrow="32" pageId="26" pageNumber="67">2.15–2.18</td>
</tr>
<tr id="35393485FFA9003EFF69F9E7114BF9C5" box="[147,1907,1617,1636]" gridrow="33" pageId="26" pageNumber="67">
<th id="76E85DF9FFA9003EFF69F9E71697F9C5" box="[147,175,1617,1636]" gridcol="0" gridrow="33" pageId="26" pageNumber="67">14</th>
<td id="76E85DF9FFA9003EFF37F9E714D7F9C5" box="[205,751,1617,1636]" gridcol="1" gridrow="33" pageId="26" pageNumber="67">Gill margins: shape</td>
<td id="76E85DF9FFA9003EFCF6F9E71323F9C5" box="[780,1307,1617,1636]" gridcol="2" gridrow="33" pageId="26" pageNumber="67">
small spines, 
<emphasis id="B97DEAD5FFA9FFDBFC78F9E715B7F9C2" box="[898,911,1617,1635]" italics="true" pageId="26" pageNumber="67">B</emphasis>
</td>
<td id="76E85DF9FFA9003EFAADF9E7114BF9C5" box="[1367,1907,1617,1636]" gridcol="3" gridrow="33" pageId="26" pageNumber="67">small spines, B</td>
</tr>
</table>
</paragraph>
<paragraph id="8BB636C7FFA9FFDBF993F9C21143F926" blockId="26.[1641,1915,1652,1671]" box="[1641,1915,1652,1671]" pageId="26" pageNumber="67">
<emphasis id="B97DEAD5FFA9FFDBF993F9C21143F926" box="[1641,1915,1652,1671]" italics="true" pageId="26" pageNumber="67">……continued on the next page</emphasis>
</paragraph>
</subSubSection>
<caption id="DF76664FFFA8FFDAFF69FDBB175AFD81" box="[147,354,525,544]" pageId="27" pageNumber="68">
<paragraph id="8BB636C7FFA8FFDAFF69FDBB175AFD81" blockId="27.[147,354,525,544]" box="[147,354,525,544]" pageId="27" pageNumber="68">
<emphasis id="B97DEAD5FFA8FFDAFF69FDBB16CBFD81" bold="true" box="[147,243,525,544]" pageId="27" pageNumber="68">TABLE 1.</emphasis>
(Continued)
</paragraph>
</caption>
<paragraph id="8BB636C7FFA8FFDAFF6DFDFC134BFC70" pageId="27" pageNumber="68">
<table id="F909C467FFA8003EFF69FD871119FC70" box="[147,1825,561,977]" colsContinueFrom="26.[147,1907,567,1636]" gridcols="4" gridrows="6" pageId="27" pageNumber="68">
<tr id="35393485FFA8003EFF69FD871119FDD7" box="[147,1825,561,630]" gridrow="0" pageId="27" pageNumber="68">
<th id="76E85DF9FFA8003EFF69FD871697FDD7" box="[147,175,561,630]" gridcol="0" gridrow="0" pageId="27" pageNumber="68">N°</th>
<th id="76E85DF9FFA8003EFF37FD8714A0FDD7" box="[205,664,561,630]" gridcol="1" gridrow="0" pageId="27" pageNumber="68">
Characters [
<emphasis id="B97DEAD5FFA8FFDAFE99FDE11464FDCB" box="[355,604,599,618]" italics="true" pageId="27" pageNumber="68">remarks; references; figures</emphasis>
]
</th>
<th id="76E85DF9FFA8003EFCF6FD8712F5FDD7" box="[780,1229,561,630]" gridcol="2" gridrow="0" pageId="27" pageNumber="68">
<taxonomicName id="4C094D44FFA8FFDAFC3FFD8712AEFDFC" authority="(Soldan &amp; Thomas, 1983)" authorityName="Soldan &amp; Thomas" authorityYear="1983" baseAuthorityName="Soldan &amp; Thomas" baseAuthorityYear="1983" class="Insecta" family="Baetidae" genus="Nigrobaetis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ephemeroptera" pageId="27" pageNumber="68" phylum="Arthropoda" rank="species" species="rhithralis">
<emphasis id="B97DEAD5FFA8FFDAFC3FFD8712BCFDE5" box="[965,1156,561,580]" italics="true" pageId="27" pageNumber="68">Nigrobaetis rhithralis</emphasis>
(Soldán &amp; Thomas, 1983)
</taxonomicName>
; type material
</th>
<th id="76E85DF9FFA8003EFAADFD871119FDD7" box="[1367,1825,561,630]" gridcol="3" gridrow="0" pageId="27" pageNumber="68">
<taxonomicName id="4C094D44FFA8FFDAF9F7FD871080FDFC" authority="(Bengtsson, 1912)" authorityName="Bengtsson" authorityYear="1912" baseAuthorityName="Bengtsson" baseAuthorityYear="1912" class="Insecta" family="Baetidae" genus="Nigrobaetis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ephemeroptera" pageId="27" pageNumber="68" phylum="Arthropoda" rank="species" species="digitatus">
<emphasis id="B97DEAD5FFA8FFDAF9F7FD8710FEFDE5" box="[1549,1734,561,580]" italics="true" pageId="27" pageNumber="68">Nigrobaetis digitatus</emphasis>
(Bengtsson, 1912)
</taxonomicName>
; Scandinavian Peninsula
</th>
</tr>
<tr id="35393485FFA8003EFF69FDC81119FD0B" box="[147,1825,638,682]" gridrow="1" pageId="27" pageNumber="68">
<th id="76E85DF9FFA8003EFF69FDC81697FD0B" box="[147,175,638,682]" gridcol="0" gridrow="1" pageId="27" pageNumber="68">15</th>
<td id="76E85DF9FFA8003EFF37FDC814A0FD0B" box="[205,664,638,682]" gridcol="1" gridrow="1" pageId="27" pageNumber="68">Paraproct [inner margin]: stout spines Figs 60, 80</td>
<td id="76E85DF9FFA8003EFCF6FDC812F5FD0B" box="[780,1229,638,682]" gridcol="2" gridrow="1" pageId="27" pageNumber="68">28–35; one row</td>
<td id="76E85DF9FFA8003EFAADFDC81119FD0B" box="[1367,1825,638,682]" gridcol="3" gridrow="1" pageId="27" pageNumber="68">17–28 [mainly 17–23); one, occasionally two rows</td>
</tr>
<tr id="35393485FFA8003EFF69FD061119FC90" box="[147,1825,688,817]" gridrow="2" pageId="27" pageNumber="68">
<th id="76E85DF9FFA8003EFF69FD061697FC90" box="[147,175,688,817]" gridcol="0" gridrow="2" pageId="27" pageNumber="68">16 17 18</th>
<td id="76E85DF9FFA8003EFF37FD0614A0FC90" box="[205,664,688,817]" gridcol="1" gridrow="2" pageId="27" pageNumber="68">Paraproct: posterior prolongation Surface of paraproct: setation Figs 60, 80 Cercotractor [inner margin]: stout spines (27)</td>
<td id="76E85DF9FFA8003EFCF6FD0612F5FC90" box="[780,1229,688,817]" gridcol="2" gridrow="2" pageId="27" pageNumber="68">
absent 
<emphasis id="B97DEAD5FFA8FFDAFCF6FD65156BFD47" box="[780,851,723,742]" italics="true" pageId="27" pageNumber="68">SCS-pet</emphasis>
[dominant], 
<emphasis id="B97DEAD5FFA8FFDAFC3EFD6515C7FD47" box="[964,1023,723,742]" italics="true" pageId="27" pageNumber="68">SC-pet</emphasis>
, 
<emphasis id="B97DEAD5FFA8FFDAFBF1FD65121BFD44" box="[1035,1059,723,741]" italics="true" pageId="27" pageNumber="68">Hr</emphasis>
, 
<emphasis id="B97DEAD5FFA8FFDAFBD7FD651202FD44" box="[1069,1082,723,741]" italics="true" pageId="27" pageNumber="68">B</emphasis>
18–25; one row
</td>
<td id="76E85DF9FFA8003EFAADFD061119FC90" box="[1367,1825,688,817]" gridcol="3" gridrow="2" pageId="27" pageNumber="68">
absent 
<emphasis id="B97DEAD5FFA8FFDAFAADFD6513A6FD47" box="[1367,1438,723,742]" italics="true" pageId="27" pageNumber="68">SCS-pet</emphasis>
[dominant], 
<emphasis id="B97DEAD5FFA8FFDAF9F5FD651072FD47" box="[1551,1610,723,742]" italics="true" pageId="27" pageNumber="68">SC-pet</emphasis>
, 
<emphasis id="B97DEAD5FFA8FFDAF9AFFD651055FD44" box="[1621,1645,723,741]" italics="true" pageId="27" pageNumber="68">Hr</emphasis>
, 
<emphasis id="B97DEAD5FFA8FFDAF982FD6510BDFD44" box="[1656,1669,723,741]" italics="true" pageId="27" pageNumber="68">B</emphasis>
29–37 [mainly 32–35]; two rows
</td>
</tr>
<tr id="35393485FFA8003EFF69FC811119FCC2" box="[147,1825,823,867]" gridrow="3" pageId="27" pageNumber="68">
<th id="76E85DF9FFA8003EFF69FC811697FCC2" box="[147,175,823,867]" gridcol="0" gridrow="3" pageId="27" pageNumber="68">19</th>
<td id="76E85DF9FFA8003EFF37FC8114A0FCC2" box="[205,664,823,867]" gridcol="1" gridrow="3" pageId="27" pageNumber="68">Surface of cercotractor: setation Fig. 60</td>
<td id="76E85DF9FFA8003EFCF6FC8112F5FCC2" box="[780,1229,823,867]" gridcol="2" gridrow="3" pageId="27" pageNumber="68">
<emphasis id="B97DEAD5FFA8FFDAFCF6FC811570FCEB" box="[780,840,823,842]" italics="true" pageId="27" pageNumber="68">SC-pet</emphasis>
[dominant]; 
<emphasis id="B97DEAD5FFA8FFDAFC43FC8115C7FCEB" box="[953,1023,823,842]" italics="true" pageId="27" pageNumber="68">SCS-pet</emphasis>
, 
<emphasis id="B97DEAD5FFA8FFDAFBF1FC8E121BFCEB" box="[1035,1059,824,842]" italics="true" pageId="27" pageNumber="68">Hr</emphasis>
, 
<emphasis id="B97DEAD5FFA8FFDAFBD4FC8E1203FCEB" box="[1070,1083,824,842]" italics="true" pageId="27" pageNumber="68">B</emphasis>
</td>
<td id="76E85DF9FFA8003EFAADFC811119FCC2" box="[1367,1825,823,867]" gridcol="3" gridrow="3" pageId="27" pageNumber="68">
<emphasis id="B97DEAD5FFA8FFDAFAADFC8113ABFCEB" box="[1367,1427,823,842]" italics="true" pageId="27" pageNumber="68">SC-pet</emphasis>
[dominant]; 
<emphasis id="B97DEAD5FFA8FFDAF9FEFC811072FCEB" box="[1540,1610,823,842]" italics="true" pageId="27" pageNumber="68">SCS-pet</emphasis>
, 
<emphasis id="B97DEAD5FFA8FFDAF9ACFC8E1056FCEB" box="[1622,1646,824,842]" italics="true" pageId="27" pageNumber="68">Hr</emphasis>
, 
<emphasis id="B97DEAD5FFA8FFDAF983FC8E10BEFCEB" box="[1657,1670,824,842]" italics="true" pageId="27" pageNumber="68">B</emphasis>
</td>
</tr>
<tr id="35393485FFA8003EFF69FCDF1119FC19" box="[147,1825,873,952]" gridrow="4" pageId="27" pageNumber="68">
<th id="76E85DF9FFA8003EFF69FCDF1697FC19" box="[147,175,873,952]" gridcol="0" gridrow="4" pageId="27" pageNumber="68">20 21</th>
<td id="76E85DF9FFA8003EFF37FCDF14A0FC19" box="[205,664,873,952]" gridcol="1" gridrow="4" pageId="27" pageNumber="68">Transversal band on caudal filaments Posterior margin of caudal filament segments: shape Figs 54, 81</td>
<td id="76E85DF9FFA8003EFCF6FCDF12F5FC19" box="[780,1229,873,952]" gridcol="2" gridrow="4" pageId="27" pageNumber="68">
absent broad marginal spines; solitary submarginal 
<emphasis id="B97DEAD5FFA8FFDAFB6BFC3A12F5FC3E" box="[1169,1229,908,927]" italics="true" pageId="27" pageNumber="68">SC-pet</emphasis>
</td>
<td id="76E85DF9FFA8003EFAADFCDF1119FC19" box="[1367,1825,873,952]" gridcol="3" gridrow="4" pageId="27" pageNumber="68">
present elongated marginal spines, grouped by 2–4 spines; submarginal 
<emphasis id="B97DEAD5FFA8FFDAFA32FC13103CFC19" box="[1480,1540,933,952]" italics="true" pageId="27" pageNumber="68">SC-pet</emphasis>
(solitary or groups of 2–5 setae)
</td>
</tr>
<tr id="35393485FFA8003EFF69FC081119FC70" box="[147,1825,958,977]" gridrow="5" pageId="27" pageNumber="68">
<th id="76E85DF9FFA8003EFF69FC081697FC70" box="[147,175,958,977]" gridcol="0" gridrow="5" pageId="27" pageNumber="68">22</th>
<td id="76E85DF9FFA8003EFF37FC0814A0FC70" box="[205,664,958,977]" gridcol="1" gridrow="5" pageId="27" pageNumber="68">Terminal filament length: relative to cerci length</td>
<td id="76E85DF9FFA8003EFCF6FC0812F5FC70" box="[780,1229,958,977]" gridcol="2" gridrow="5" pageId="27" pageNumber="68">1/2‾2/3</td>
<td id="76E85DF9FFA8003EFAADFC081119FC70" box="[1367,1825,958,977]" gridcol="3" gridrow="5" pageId="27" pageNumber="68">2/3</td>
</tr>
</table>
</paragraph>
<subSubSection id="C313654CFFA8FFDCFF69FC4D145AFE55" lastPageId="29" lastPageNumber="70" pageId="27" pageNumber="68" type="discussion">
<paragraph id="8BB636C7FFA8FFDAFF69FC4D16E7FBAF" blockId="27.[147,1913,1019,1666]" box="[147,223,1019,1038]" pageId="27" pageNumber="68">
<emphasis id="B97DEAD5FFA8FFDAFF69FC4D16E7FBAF" box="[147,223,1019,1038]" italics="true" pageId="27" pageNumber="68">Remarks</emphasis>
</paragraph>
<paragraph id="8BB636C7FFA8FFDAFF69FBB91000FBE1" blockId="27.[147,1913,1019,1666]" pageId="27" pageNumber="68">
(1) 
<emphasis id="B97DEAD5FFA8FFDAFF52FBA2168DFB86" box="[168,181,1044,1063]" italics="true" pageId="27" pageNumber="68">A</emphasis>
— coding according to 
<bibRefCitation id="EF984B36FFA8FFDAFE73FBA214F1FB86" box="[393,713,1044,1063]" pageId="27" pageNumber="68" refId="ref12487" refString="Soldan, T. &amp; Thomas, A. G. B. (1983 a) New and little-known species of mayflies (Ephemeroptera) from Algeria. Acta Entomologica Bohemoslovaca, 80, 356 - 376." type="journal article">Soldán &amp; Thomas (1983a: 356–358)</bibRefCitation>
and based on 
<typeStatus id="54B28865FFA8FFDAFCBCFBA21553FB86" box="[838,875,1044,1063]" pageId="27" pageNumber="68">type</typeStatus>
material observation; 
<emphasis id="B97DEAD5FFA8FFDAFBCAFBA31205FB86" box="[1072,1085,1045,1063]" italics="true" pageId="27" pageNumber="68">B</emphasis>
— Eva Engblom personal communication (due to long-term storage in ethanol the turbinate eyes color of 
<taxonomicName id="4C094D44FFA8FFDAFEF3FB981748FBE1" baseAuthorityName="Bengtsson" baseAuthorityYear="1912" box="[265,368,1069,1088]" class="Insecta" family="Baetidae" genus="Nigrobaetis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ephemeroptera" pageId="27" pageNumber="68" phylum="Arthropoda" rank="species" species="digitatus">
<emphasis id="B97DEAD5FFA8FFDAFEF3FB981748FBE1" box="[265,368,1069,1088]" italics="true" pageId="27" pageNumber="68">N. digitatus</emphasis>
</taxonomicName>
is faded and differs markedly from the original color observed in fresh material; see 
<figureCitation id="13322A42FFA8FFDAFBACFB9B1284FBE1" box="[1110,1212,1069,1088]" captionStart="FIGURES 61–64" captionStartId="17.[151,264,1700,1723]" captionTargetBox="[151,1436,301,1676]" captionTargetId="figure@17.[151,1436,301,1679]" captionTargetPageId="17" captionText="FIGURES 61–64. Nigrobaetis digitatus (Bengtsson, 1912), male imago head; Sweden: Närke County [61, 62]; Västmanland County [63, 64]. 61, 63.—lateral view, left side; 62, 64.—dorsal side. Scale lines = 200 µm [61]; 500 µm [62–64]." httpUri="https://zenodo.org/record/1441422/files/figure.png" pageId="27" pageNumber="68">Figs 61–64</figureCitation>
); 
<emphasis id="B97DEAD5FFA8FFDAFB31FB9B12E2FBE1" box="[1227,1242,1069,1088]" italics="true" pageId="27" pageNumber="68">C</emphasis>
— based on fresh material observation.
</paragraph>
<paragraph id="8BB636C7FFA8FFDAFF69FBF71251FBF8" blockId="27.[147,1913,1019,1666]" box="[147,1129,1089,1113]" pageId="27" pageNumber="68">
(2) Indexes of male turbinate eyes proportions for 
<taxonomicName id="4C094D44FFA8FFDAFDB9FBF11488FBF8" baseAuthorityName="Soldan &amp; Thomas" baseAuthorityYear="1983" box="[579,688,1094,1113]" class="Insecta" family="Baetidae" genus="Nigrobaetis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ephemeroptera" pageId="27" pageNumber="68" phylum="Arthropoda" rank="species" species="rhithralis">
<emphasis id="B97DEAD5FFA8FFDAFDB9FBF11488FBF8" box="[579,688,1094,1113]" italics="true" pageId="27" pageNumber="68">N. rhithralis</emphasis>
</taxonomicName>
are coding based on 
<typeStatus id="54B28865FFA8FFDAFC92FBF015B5FBF8" box="[872,909,1094,1113]" pageId="27" pageNumber="68">type</typeStatus>
material reinvestigation.
</paragraph>
<paragraph id="8BB636C7FFA8FFDAFF69FBE914E9FB05" blockId="27.[147,1913,1019,1666]" pageId="27" pageNumber="68">
<emphasis id="B97DEAD5FFA8FFDAFF69FBE91698FBD3" box="[147,160,1119,1138]" italics="true" pageId="27" pageNumber="68">A</emphasis>
— maximal distance between outer margins of facetted surfaces; 
<emphasis id="B97DEAD5FFA8FFDAFD18FBD614D7FBD3" box="[738,751,1120,1138]" italics="true" pageId="27" pageNumber="68">B</emphasis>
— minimal distance between inner margins of facetted surfaces of turbinate eyes; 
<emphasis id="B97DEAD5FFA8FFDAFA3EFBE913EBFBD3" box="[1476,1491,1119,1138]" italics="true" pageId="27" pageNumber="68">C</emphasis>
— length of facetted surfaces of turbinate eyes; 
<emphasis id="B97DEAD5FFA8FFDAFF69FBCF169BFB2A" box="[147,163,1145,1163]" italics="true" pageId="27" pageNumber="68">D</emphasis>
— height of turbinate eyes [distance between upper margin of eyes and upper part of faceted surface]; 
<emphasis id="B97DEAD5FFA8FFDAFBD0FBCF1201FB2A" box="[1066,1081,1145,1163]" italics="true" pageId="27" pageNumber="68">N</emphasis>
— maximal distance between outer margins eyes; 
<emphasis id="B97DEAD5FFA8FFDAFA0CFBCF1039FB2A" box="[1526,1537,1145,1163]" italics="true" pageId="27" pageNumber="68">α</emphasis>
— angle between the longest axis of facetted surfaces of turbinate eyes (see 
<bibRefCitation id="EF984B36FFA8FFDAFE10FB2714FEFB05" box="[490,710,1169,1188]" pageId="27" pageNumber="68" refId="ref12027" refString="Novikova, E. A. &amp; Kluge, N. J. (1994) Podenki podroda Nigrobaetis (Ephemeroptera, Baetidae, Baetis Leach, 1815) [Mayflies of the subgenus Nigrobaetis (Ephemeroptera, Baetidae, Baetis Leach, 1815)]. Entomologicheskoe Obozrenie, 73 (3), 623 - 644. [in Russian, with English summary]" type="journal article">Novikova &amp; Kluge 1994</bibRefCitation>
).
</paragraph>
<paragraph id="8BB636C7FFA8FFDAFF69FB1016F9FB76" blockId="27.[147,1913,1019,1666]" pageId="27" pageNumber="68">
(3) See details and discussion in 
<bibRefCitation id="EF984B36FFA8FFDAFE53FB1C1440FB1C" box="[425,632,1194,1213]" pageId="27" pageNumber="68" refId="ref11900" refString="Muller-Liebenau, I. (1965) Revision der von Simon Bengtsson aufgestellten Baetis - Arten (Ephemeroptera). Opuscula Entomologica, 30 (1 - 2), 79 - 123." type="journal article">Müller-Liebenau (1965</bibRefCitation>
: 84; 1969: 171) for 
<taxonomicName id="4C094D44FFA8FFDAFCDCFB1D15B4FB1C" baseAuthorityName="Bengtsson" baseAuthorityYear="1912" box="[806,908,1194,1213]" class="Insecta" family="Baetidae" genus="Nigrobaetis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ephemeroptera" pageId="27" pageNumber="68" phylum="Arthropoda" rank="species" species="digitatus">
<emphasis id="B97DEAD5FFA8FFDAFCDCFB1D15B4FB1C" box="[806,908,1194,1213]" italics="true" pageId="27" pageNumber="68">N. digitatus</emphasis>
</taxonomicName>
; additional information in 
<bibRefCitation id="EF984B36FFA8FFDAFB8DFB1C1016FB1C" box="[1143,1582,1194,1213]" pageId="27" pageNumber="68" refId="ref12027" refString="Novikova, E. A. &amp; Kluge, N. J. (1994) Podenki podroda Nigrobaetis (Ephemeroptera, Baetidae, Baetis Leach, 1815) [Mayflies of the subgenus Nigrobaetis (Ephemeroptera, Baetidae, Baetis Leach, 1815)]. Entomologicheskoe Obozrenie, 73 (3), 623 - 644. [in Russian, with English summary]" type="journal article">Novikova &amp; Kluge (1994: 632–634, fig. 3:13–17)</bibRefCitation>
, and 
<bibRefCitation id="EF984B36FFA8FFDAF9A6FB1C1686FB76" pageId="27" pageNumber="68" refId="ref10840" refString="Bauernfeind, E. &amp; Soldan, T. (2012) The Mayflies of Europe (Ephemeroptera). Apollo Books, Ollerup, 781 pp." type="book">Bauernfeind &amp; Soldán (2012: 148)</bibRefCitation>
.
</paragraph>
<paragraph id="8BB636C7FFA8FFDAFF69FB6E12C4FB51" blockId="27.[147,1913,1019,1666]" box="[147,1276,1240,1264]" pageId="27" pageNumber="68">
(4) See 
<bibRefCitation id="EF984B36FFA8FFDAFF35FB6B1498FB51" box="[207,672,1245,1264]" pageId="27" pageNumber="68" refId="ref12027" refString="Novikova, E. A. &amp; Kluge, N. J. (1994) Podenki podroda Nigrobaetis (Ephemeroptera, Baetidae, Baetis Leach, 1815) [Mayflies of the subgenus Nigrobaetis (Ephemeroptera, Baetidae, Baetis Leach, 1815)]. Entomologicheskoe Obozrenie, 73 (3), 623 - 644. [in Russian, with English summary]" type="journal article">Novikova &amp; Kluge (1994: 630, key for male imagos)</bibRefCitation>
for 
<taxonomicName id="4C094D44FFA8FFDAFD3EFB681513FB51" baseAuthorityName="Bengtsson" baseAuthorityYear="1912" box="[708,811,1245,1264]" class="Insecta" family="Baetidae" genus="Nigrobaetis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ephemeroptera" pageId="27" pageNumber="68" phylum="Arthropoda" rank="species" species="digitatus">
<emphasis id="B97DEAD5FFA8FFDAFD3EFB681513FB51" box="[708,811,1245,1264]" italics="true" pageId="27" pageNumber="68">N. digitatus</emphasis>
</taxonomicName>
; 
<bibRefCitation id="EF984B36FFA8FFDAFCCCFB6B125EFB51" box="[822,1126,1245,1264]" pageId="27" pageNumber="68" refId="ref10840" refString="Bauernfeind, E. &amp; Soldan, T. (2012) The Mayflies of Europe (Ephemeroptera). Apollo Books, Ollerup, 781 pp." type="book">Bauernfeind &amp; Soldán (2012: 157)</bibRefCitation>
for 
<taxonomicName id="4C094D44FFA8FFDAFB71FB6812CFFB51" baseAuthorityName="Soldan &amp; Thomas" baseAuthorityYear="1983" box="[1163,1271,1245,1264]" class="Insecta" family="Baetidae" genus="Nigrobaetis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ephemeroptera" pageId="27" pageNumber="68" phylum="Arthropoda" rank="species" species="rhithralis">
<emphasis id="B97DEAD5FFA8FFDAFB71FB6812CFFB51" box="[1163,1271,1245,1264]" italics="true" pageId="27" pageNumber="68">N. rhithralis</emphasis>
</taxonomicName>
.
</paragraph>
<paragraph id="8BB636C7FFA8FFDAFF69FB4710D6FAA8" blockId="27.[147,1913,1019,1666]" box="[147,1774,1265,1289]" pageId="27" pageNumber="68">
(5) Not shown for 
<taxonomicName id="4C094D44FFA8FFDAFED7FB4117ACFAA8" baseAuthorityName="Bengtsson" baseAuthorityYear="1912" box="[301,404,1270,1289]" class="Insecta" family="Baetidae" genus="Nigrobaetis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ephemeroptera" pageId="27" pageNumber="68" phylum="Arthropoda" rank="species" species="digitatus">
<emphasis id="B97DEAD5FFA8FFDAFED7FB4117ACFAA8" box="[301,404,1270,1289]" italics="true" pageId="27" pageNumber="68">N. digitatus</emphasis>
</taxonomicName>
e.g. on fig. 1a in 
<bibRefCitation id="EF984B36FFA8FFDAFDD7FB401519FAA8" box="[557,801,1270,1289]" pageId="27" pageNumber="68" refId="ref11900" refString="Muller-Liebenau, I. (1965) Revision der von Simon Bengtsson aufgestellten Baetis - Arten (Ephemeroptera). Opuscula Entomologica, 30 (1 - 2), 79 - 123." type="journal article">Müller-Liebenau (1965: 84)</bibRefCitation>
and 
<bibRefCitation id="EF984B36FFA8FFDAFCB6FB401202FAA8" box="[844,1082,1270,1289]" pageId="27" pageNumber="68" refId="ref11526" refString="Jacob, U. (2003) Baetis Leach 1815, sensu stricto or sensu lato. Ein Beitrag zum Gattungskonzept auf der Grundlage von Artengruppen mit Bestimmungsschlusseln. Lauterbornia, 47, 59 - 129." type="journal article">Jacob (2003: 112, fig. 26b)</bibRefCitation>
, but well visible on photo published by 
<bibRefCitation id="EF984B36FFA8FFDAFA6DFB4010D2FAA8" box="[1431,1770,1270,1289]" pageId="27" pageNumber="68" refId="ref11934" refString="Muller-Liebenau, I. (1969) Revision der europaischen Arten der Gattung Baetis Leach, 1815 (Insecta, Ephemeroptera). Gewasser und Abwasser, 28 / 29, 1 - 214." type="journal article">Müller-Liebenau (1969: 164, fig. 124)</bibRefCitation>
.
</paragraph>
<paragraph id="8BB636C7FFA8FFDAFF69FABC1504FA9A" blockId="27.[147,1913,1019,1666]" pageId="27" pageNumber="68">
(6) In 
<taxonomicName id="4C094D44FFA8FFDAFF3BFAA61710FA83" baseAuthorityName="Bengtsson" baseAuthorityYear="1912" box="[193,296,1295,1314]" class="Insecta" family="Baetidae" genus="Nigrobaetis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ephemeroptera" pageId="27" pageNumber="68" phylum="Arthropoda" rank="species" species="digitatus">
<emphasis id="B97DEAD5FFA8FFDAFF3BFAA61710FA83" box="[193,296,1295,1314]" italics="true" pageId="27" pageNumber="68">N. digitatus</emphasis>
</taxonomicName>
separation of forceps segments I and II is indistinct (see e.g. 
<bibRefCitation id="EF984B36FFA8FFDAFCC4FAB9120FFA83" box="[830,1079,1295,1314]" pageId="27" pageNumber="68" refId="ref10840" refString="Bauernfeind, E. &amp; Soldan, T. (2012) The Mayflies of Europe (Ephemeroptera). Apollo Books, Ollerup, 781 pp." type="book">Bauernfeind &amp; Soldán 2012</bibRefCitation>
: 148); marked constriction at the junction of segments I and II according to 
<bibRefCitation id="EF984B36FFA8FFDAF935FAB91501FA9A" pageId="27" pageNumber="68" refId="ref10952" refString="Elliott, J. M. &amp; Humpesch, U. H. (1983) A key to the adults of the British Ephemeroptera with notes on their ecology. Scientific Publications of the Freshwater Biological Association, 47, 1 - 101." type="journal article">Elliot &amp; Humpesch (1983: 34, fig. 17c, in key for male imagines is marked as segment II and III)</bibRefCitation>
.
</paragraph>
<paragraph id="8BB636C7FFA8FFDAFF69FA8B1266FAF5" blockId="27.[147,1913,1019,1666]" box="[147,1118,1341,1364]" pageId="27" pageNumber="68">
(7) See 
<bibRefCitation id="EF984B36FFA8FFDAFF35FAF7146BFAF5" box="[207,595,1345,1364]" pageId="27" pageNumber="68" refId="ref12487" refString="Soldan, T. &amp; Thomas, A. G. B. (1983 a) New and little-known species of mayflies (Ephemeroptera) from Algeria. Acta Entomologica Bohemoslovaca, 80, 356 - 376." type="journal article">Soldán &amp; Thomas (1983a: 356–358, fig. 12)</bibRefCitation>
and 
<bibRefCitation id="EF984B36FFA8FFDAFD87FAF71262FAF5" box="[637,1114,1345,1364]" pageId="27" pageNumber="68" refId="ref10840" refString="Bauernfeind, E. &amp; Soldan, T. (2012) The Mayflies of Europe (Ephemeroptera). Apollo Books, Ollerup, 781 pp." type="book">Bauernfeind &amp; Soldán (2012: 148, 157, figs 0 62, 069)</bibRefCitation>
.
</paragraph>
<paragraph id="8BB636C7FFA8FFDAFF69FAE014FEFACC" blockId="27.[147,1913,1019,1666]" box="[147,710,1366,1389]" pageId="27" pageNumber="68">
(8) Borrowed from 
<bibRefCitation id="EF984B36FFA8FFDAFECCFAEC14FAFACC" box="[310,706,1370,1389]" pageId="27" pageNumber="68" refId="ref12027" refString="Novikova, E. A. &amp; Kluge, N. J. (1994) Podenki podroda Nigrobaetis (Ephemeroptera, Baetidae, Baetis Leach, 1815) [Mayflies of the subgenus Nigrobaetis (Ephemeroptera, Baetidae, Baetis Leach, 1815)]. Entomologicheskoe Obozrenie, 73 (3), 623 - 644. [in Russian, with English summary]" type="journal article">Novikova &amp; Kluge (1994: 633, fig. 3:11–12)</bibRefCitation>
.
</paragraph>
<paragraph id="8BB636C7FFA8FFDAFF69FAD91351FA27" blockId="27.[147,1913,1019,1666]" box="[147,1385,1391,1414]" pageId="27" pageNumber="68">
(9) 
<emphasis id="B97DEAD5FFA8FFDAFF50FAC5168FFA27" box="[170,183,1395,1414]" italics="true" pageId="27" pageNumber="68">A</emphasis>
— based on original description (
<bibRefCitation id="EF984B36FFA8FFDAFE1AFAC5152DFA27" box="[480,789,1395,1414]" pageId="27" pageNumber="68" refId="ref12487" refString="Soldan, T. &amp; Thomas, A. G. B. (1983 a) New and little-known species of mayflies (Ephemeroptera) from Algeria. Acta Entomologica Bohemoslovaca, 80, 356 - 376." type="journal article">Soldán &amp; Thomas 1983a: 356–358</bibRefCitation>
) and 
<typeStatus id="54B28865FFA8FFDAFCBFFAC51552FA27" box="[837,874,1395,1414]" pageId="27" pageNumber="68">type</typeStatus>
material observation; 
<emphasis id="B97DEAD5FFA8FFDAFBD5FAC21204FA27" box="[1071,1084,1396,1414]" italics="true" pageId="27" pageNumber="68">B</emphasis>
— based on material observation.
</paragraph>
<paragraph id="8BB636C7FFA8FFDAFF69FA3E1019FA01" blockId="27.[147,1913,1019,1666]" box="[147,1569,1416,1440]" pageId="27" pageNumber="68">
(10) Depicted and discussed for several representatives of 
<taxonomicName id="4C094D44FFA8FFDAFD7CFA3814DAFA3E" baseAuthorityName="Linnaeus" baseAuthorityYear="1758" box="[646,738,1421,1440]" class="Insecta" family="Baetidae" genus="Baetis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ephemeroptera" pageId="27" pageNumber="68" phylum="Arthropoda" rank="species" species="muticus">
<emphasis id="B97DEAD5FFA8FFDAFD7CFA3814DAFA3E" box="[646,738,1421,1440]" italics="true" pageId="27" pageNumber="68">B. muticus</emphasis>
</taxonomicName>
species-group 
<emphasis id="B97DEAD5FFA8FFDAFC9DFA3815A0FA01" box="[871,920,1422,1440]" italics="true" pageId="27" pageNumber="68">sensu</emphasis>
<bibRefCitation id="EF984B36FFA8FFDAFC66FA3B1248FA01" box="[924,1136,1421,1440]" pageId="27" pageNumber="68" refId="ref11934" refString="Muller-Liebenau, I. (1969) Revision der europaischen Arten der Gattung Baetis Leach, 1815 (Insecta, Ephemeroptera). Gewasser und Abwasser, 28 / 29, 1 - 214." type="journal article">Müller-Liebenau (1969)</bibRefCitation>
by 
<bibRefCitation id="EF984B36FFA8FFDAFB6AFA3B1025FA01" box="[1168,1565,1421,1440]" pageId="27" pageNumber="68" refId="ref12222" refString="Sartori, M. &amp; Thomas, A. G. B. (1991) Contribution to the systematics of Baetis muticus (L.) and allied species from South Western Palearctic Region (Ephemeroptera; Baetidae). In: Alba-Tercedor, J. &amp; Sanchez-Ortega, A. (Eds.), Overview and strategies of Ephemeroptera and Plecoptera, Sandhill Crane Press, Gainesville, Florida, pp. 223 - 233." type="book chapter">Sartori &amp; Thomas (1991: 226, 231, fig. pl. 3)</bibRefCitation>
.
</paragraph>
<paragraph id="8BB636C7FFA8FFDAFF69FA17141EFA73" blockId="27.[147,1913,1019,1666]" pageId="27" pageNumber="68">
(11) Described and figured by 
<bibRefCitation id="EF984B36FFA8FFDAFE6EFA10145BFA18" box="[404,611,1446,1465]" pageId="27" pageNumber="68" refId="ref11900" refString="Muller-Liebenau, I. (1965) Revision der von Simon Bengtsson aufgestellten Baetis - Arten (Ephemeroptera). Opuscula Entomologica, 30 (1 - 2), 79 - 123." type="journal article">Müller-Liebenau (1965</bibRefCitation>
: 87, fig 2b, c) for 
<taxonomicName id="4C094D44FFA8FFDAFCFAFA111555FA18" baseAuthorityName="Soldan &amp; Thomas" baseAuthorityYear="1983" box="[768,877,1446,1465]" class="Insecta" family="Baetidae" genus="Nigrobaetis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ephemeroptera" pageId="27" pageNumber="68" phylum="Arthropoda" rank="species" species="rhithralis">
<emphasis id="B97DEAD5FFA8FFDAFCFAFA111555FA18" box="[768,877,1446,1465]" italics="true" pageId="27" pageNumber="68">N. rhithralis</emphasis>
</taxonomicName>
; description of setation and scanning electron photographs of setae published by 
<bibRefCitation id="EF984B36FFA8FFDAF9C9FA10113BFA18" box="[1587,1795,1446,1465]" pageId="27" pageNumber="68" refId="ref11097" refString="Gaino, E. &amp; Rebora, M. (1999 b) Larval antennal sensilla in water-living insects. Microscopy Research and Technique, 47, 440 ‾ 457. https: // doi. org / 10.1002 / (SICI) 1097 - 0029 (19991215) 47: 6 % 3 C 440 :: AID-JEMT 7 % 3 E 3.0. CO; 2 - O" type="journal article">Gaino &amp; Rebora 1999b</bibRefCitation>
: 70–74, fig. 13a) for two species of the genus 
<taxonomicName id="4C094D44FFA8FFDAFE43FA091418FA73" authorityName="Godunko &amp; Martynov &amp; Gattolliat" authorityYear="2018" box="[441,544,1471,1490]" class="Insecta" family="Baetidae" genus="Nigrobaetis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ephemeroptera" pageId="27" pageNumber="68" phylum="Arthropoda" rank="genus">
<emphasis id="B97DEAD5FFA8FFDAFE43FA091418FA73" box="[441,544,1471,1490]" italics="true" pageId="27" pageNumber="68">Nigrobaetis</emphasis>
</taxonomicName>
.
</paragraph>
<paragraph id="8BB636C7FFA8FFDAFF69FA65152BF9A5" blockId="27.[147,1913,1019,1666]" pageId="27" pageNumber="68">
(12) For 
<taxonomicName id="4C094D44FFA8FFDAFF2FFA6E1704FA4A" authorityName="Godunko &amp; Martynov &amp; Gattolliat" authorityYear="2018" box="[213,316,1496,1515]" class="Insecta" family="Baetidae" genus="Nigrobaetis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ephemeroptera" pageId="27" pageNumber="68" phylum="Arthropoda" rank="genus">
<emphasis id="B97DEAD5FFA8FFDAFF2FFA6E1704FA4A" box="[213,316,1496,1515]" italics="true" pageId="27" pageNumber="68">Nigrobaetis</emphasis>
</taxonomicName>
and other taxa of Baetinae the character is used by 
<bibRefCitation id="EF984B36FFA8FFDAFD04FA6E15ACFA4A" box="[766,916,1496,1515]" pageId="27" pageNumber="68" refId="ref11969" refString="Novikova, E. A. (1987) Podenki semeistva Baetidae (Ephemeroptera) fauny SSSR. [Mayflies of the family Baetidae (Ephemeroptera) of the USSR fauna]. Dissertaciya na soiskanie uchenoi stepeni kandidata biologicheskikh nauk. Leningradskii Gosudarstvennyi Universitet, Leningrad, 141 pp. [unpublished manuscript; in Russian]" type="book">Novikova (1987)</bibRefCitation>
and Novikova &amp; Kluge (1987, 1994); another character, viz. the shape of frontal keel is constant in all species of 
<taxonomicName id="4C094D44FFA8FFDAFF69FA4716C2F9A5" authorityName="Godunko &amp; Martynov &amp; Gattolliat" authorityYear="2018" box="[147,250,1521,1540]" class="Insecta" family="Baetidae" genus="Nigrobaetis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ephemeroptera" pageId="27" pageNumber="68" phylum="Arthropoda" rank="genus">
<emphasis id="B97DEAD5FFA8FFDAFF69FA4716C2F9A5" box="[147,250,1521,1540]" italics="true" pageId="27" pageNumber="68">Nigrobaetis</emphasis>
</taxonomicName>
(incl. 
<taxonomicName id="4C094D44FFA8FFDAFEC9FA471742F9A5" authorityName="sensu Kluge &amp; Novikova" authorityYear="2014" box="[307,378,1521,1540]" class="Insecta" family="Baetidae" genus="Takobia" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ephemeroptera" pageId="27" pageNumber="68" phylum="Arthropoda" rank="genus">
<emphasis id="B97DEAD5FFA8FFDAFEC9FA471742F9A5" box="[307,378,1521,1540]" italics="true" pageId="27" pageNumber="68">Takobia</emphasis>
</taxonomicName>
) according to 
<bibRefCitation id="EF984B36FFA8FFDAFE03FA471537F9A5" box="[505,783,1521,1540]" pageId="27" pageNumber="68" refId="ref11656" refString="Kluge, N. J. &amp; Novikova, E. A. (2014) Systematics of Indobaetis Muller-Liebenau &amp; Morihara 1982, and related implications for some other Baetidae genera (Ephemeroptera). Zootaxa, 3835 (2), 209 - 236. https: // doi. org / 10.11646 / zootaxa. 3835.2.3" type="journal article">Kluge &amp; Novikova (2014: 230)</bibRefCitation>
.
</paragraph>
<paragraph id="8BB636C7FFA8FFDAFF69F9B31446F9BC" blockId="27.[147,1913,1019,1666]" box="[147,638,1541,1565]" pageId="27" pageNumber="68">
(13) Character coded as in 
<bibRefCitation id="EF984B36FFA8FFDAFE89F9BC1442F9BC" box="[371,634,1546,1565]" pageId="27" pageNumber="68" refId="ref10840" refString="Bauernfeind, E. &amp; Soldan, T. (2012) The Mayflies of Europe (Ephemeroptera). Apollo Books, Ollerup, 781 pp." type="book">Bauernfeind &amp; Soldán (2012)</bibRefCitation>
.
</paragraph>
<paragraph id="8BB636C7FFA8FFDAFF69F9A9136CF9C8" blockId="27.[147,1913,1019,1666]" pageId="27" pageNumber="68">
(14) The character depicted by 
<bibRefCitation id="EF984B36FFA8FFDAFE62F9951491F997" box="[408,681,1571,1590]" pageId="27" pageNumber="68" refId="ref11900" refString="Muller-Liebenau, I. (1965) Revision der von Simon Bengtsson aufgestellten Baetis - Arten (Ephemeroptera). Opuscula Entomologica, 30 (1 - 2), 79 - 123." type="journal article">Müller-Liebenau (1965: 87, 2j)</bibRefCitation>
for 
<taxonomicName id="4C094D44FFA8FFDAFD34F992150DF997" baseAuthorityName="Bengtsson" baseAuthorityYear="1912" box="[718,821,1571,1590]" class="Insecta" family="Baetidae" genus="Nigrobaetis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ephemeroptera" pageId="27" pageNumber="68" phylum="Arthropoda" rank="species" species="digitatus">
<emphasis id="B97DEAD5FFA8FFDAFD34F992150DF997" box="[718,821,1571,1590]" italics="true" pageId="27" pageNumber="68">N. digitatus</emphasis>
</taxonomicName>
, and by 
<bibRefCitation id="EF984B36FFA8FFDAFC85F99512F5F997" box="[895,1229,1571,1590]" pageId="27" pageNumber="68" refId="ref12487" refString="Soldan, T. &amp; Thomas, A. G. B. (1983 a) New and little-known species of mayflies (Ephemeroptera) from Algeria. Acta Entomologica Bohemoslovaca, 80, 356 - 376." type="journal article">Soldán &amp; Thomas (1983a: 358, fig. 2)</bibRefCitation>
for 
<taxonomicName id="4C094D44FFA8FFDAFB0BF9921365F997" baseAuthorityName="Soldan &amp; Thomas" baseAuthorityYear="1983" box="[1265,1373,1571,1590]" class="Insecta" family="Baetidae" genus="Nigrobaetis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ephemeroptera" pageId="27" pageNumber="68" phylum="Arthropoda" rank="species" species="rhithralis">
<emphasis id="B97DEAD5FFA8FFDAFB0BF9921365F997" box="[1265,1373,1571,1590]" italics="true" pageId="27" pageNumber="68">N. rhithralis</emphasis>
</taxonomicName>
; stated for 
<taxonomicName id="4C094D44FFA8FFDAFA3BF9951010F997" authorityName="Godunko &amp; Martynov &amp; Gattolliat" authorityYear="2018" box="[1473,1576,1571,1590]" class="Insecta" family="Baetidae" genus="Nigrobaetis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ephemeroptera" pageId="27" pageNumber="68" phylum="Arthropoda" rank="genus">
<emphasis id="B97DEAD5FFA8FFDAFA3BF9951010F997" box="[1473,1576,1571,1590]" italics="true" pageId="27" pageNumber="68">Nigrobaetis</emphasis>
</taxonomicName>
(incl. 
<taxonomicName id="4C094D44FFA8FFDAF99AF9951090F997" authorityName="sensu Kluge &amp; Novikova" authorityYear="2014" box="[1632,1704,1571,1590]" class="Insecta" family="Baetidae" genus="Takobia" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ephemeroptera" pageId="27" pageNumber="68" phylum="Arthropoda" rank="genus">
<emphasis id="B97DEAD5FFA8FFDAF99AF9951090F997" box="[1632,1704,1571,1590]" italics="true" pageId="27" pageNumber="68">Takobia</emphasis>
</taxonomicName>
) by 
<bibRefCitation id="EF984B36FFA8FFDAF935F9951429F9EE" pageId="27" pageNumber="68" refId="ref11969" refString="Novikova, E. A. (1987) Podenki semeistva Baetidae (Ephemeroptera) fauny SSSR. [Mayflies of the family Baetidae (Ephemeroptera) of the USSR fauna]. Dissertaciya na soiskanie uchenoi stepeni kandidata biologicheskikh nauk. Leningradskii Gosudarstvennyi Universitet, Leningrad, 141 pp. [unpublished manuscript; in Russian]" type="book">Novikova &amp; Kluge (1987: see tabular characters on the page 9)</bibRefCitation>
; individual variability of this character tested by 
<bibRefCitation id="EF984B36FFA8FFDAFC47F98A12A3F9EE" box="[957,1179,1596,1615]" pageId="27" pageNumber="68" refId="ref11563" refString="Kazanci, N. &amp; Thomas, A. G. B. (1989) Complements et corrections a la faune des Ephemeropteres du Proche-Orient: 2. Baetis kars n. sp de Turquie (Ephemeroptera, Baetidae). Mitteilungen Schweizerischen Entomologischen Gesellschaft, 62, 323 - 327." type="journal article">Kazancı &amp; Thomas 1989</bibRefCitation>
: 323–324, fig. 1a–d); for five species belongs to the 
<taxonomicName id="4C094D44FFA8FFDAF99DF98B10FCF9EE" baseAuthorityName="Linnaeus" baseAuthorityYear="1758" box="[1639,1732,1597,1615]" class="Insecta" family="Baetidae" genus="Baetis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ephemeroptera" pageId="27" pageNumber="68" phylum="Arthropoda" rank="species" species="muticus">
<emphasis id="B97DEAD5FFA8FFDAF99DF98B10FCF9EE" box="[1639,1732,1597,1615]" italics="true" pageId="27" pageNumber="68">B. muticus</emphasis>
</taxonomicName>
species-group analysed by 
<bibRefCitation id="EF984B36FFA8FFDAFEFAF9E017A6F9C8" box="[256,414,1622,1641]" pageId="27" pageNumber="68" refId="ref12773" refString="Zrelli, S. Gattolliat, J. - L., Boumaiza, M. &amp; Thomas, A. (2012) First record of Alainites sadati Thomas, 1994 (Ephemeroptera: Baetidae) in Tunisia, description of the larval stage and ecology. Zootaxa, 3497, 60 - 68." type="journal article">
Zrelli 
<emphasis id="B97DEAD5FFA8FFDAFECCF9E0175BF9C8" box="[310,355,1622,1641]" italics="true" pageId="27" pageNumber="68">et al.</emphasis>
(2012
</bibRefCitation>
: 66, table 1; sub. the genus 
<taxonomicName id="4C094D44FFA8FFDAFD75F9E014E4F9C8" box="[655,732,1622,1641]" class="Insecta" family="Baetidae" genus="Alainites" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ephemeroptera" pageId="27" pageNumber="68" phylum="Arthropoda" rank="genus">
<emphasis id="B97DEAD5FFA8FFDAFD75F9E014E4F9C8" box="[655,732,1622,1641]" italics="true" pageId="27" pageNumber="68">Alainites</emphasis>
</taxonomicName>
); for 
<taxonomicName id="4C094D44FFA8FFDAFCF5F9E01553F9C8" box="[783,875,1622,1641]" class="Insecta" family="Baetidae" genus="Indobaetis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ephemeroptera" pageId="27" pageNumber="68" phylum="Arthropoda" rank="genus">
<emphasis id="B97DEAD5FFA8FFDAFCF5F9E01553F9C8" box="[783,875,1622,1641]" italics="true" pageId="27" pageNumber="68">Indobaetis</emphasis>
</taxonomicName>
the character tested by 
<bibRefCitation id="EF984B36FFA8FFDAFBC0F9E01377F9C8" box="[1082,1359,1622,1641]" pageId="27" pageNumber="68" refId="ref11656" refString="Kluge, N. J. &amp; Novikova, E. A. (2014) Systematics of Indobaetis Muller-Liebenau &amp; Morihara 1982, and related implications for some other Baetidae genera (Ephemeroptera). Zootaxa, 3835 (2), 209 - 236. https: // doi. org / 10.11646 / zootaxa. 3835.2.3" type="journal article">Kluge &amp; Novikova (2014: 230)</bibRefCitation>
.
</paragraph>
<paragraph id="8BB636C7FFA8FFDAFF69F9DC14A1F923" blockId="27.[147,1913,1019,1666]" box="[147,665,1642,1666]" pageId="27" pageNumber="68">
(15) Discussed in details by 
<bibRefCitation id="EF984B36FFA8FFDAFE85F9D914ADF923" box="[383,661,1647,1666]" pageId="27" pageNumber="68" refId="ref11656" refString="Kluge, N. J. &amp; Novikova, E. A. (2014) Systematics of Indobaetis Muller-Liebenau &amp; Morihara 1982, and related implications for some other Baetidae genera (Ephemeroptera). Zootaxa, 3835 (2), 209 - 236. https: // doi. org / 10.11646 / zootaxa. 3835.2.3" type="journal article">Kluge &amp; Novikova (2014: 230)</bibRefCitation>
.
</paragraph>
<paragraph id="8BB636C7FFAFFFDDFF69FD7A14A4F9E2" pageId="28" pageNumber="69">
<table id="F909C467FFAF003EFF69FD7A1E2EF9E2" box="[147,2070,716,1603]" gridcols="2" gridrows="15" pageId="28" pageNumber="69">
<tr id="35393485FFAF003EFF69FD7A1E2EFCD3" box="[147,2070,716,882]" gridrow="0" pageId="28" pageNumber="69" rowspan-1="1">
<th id="76E85DF9FFAF003EFF69FD7A169EFCD3" box="[147,166,716,882]" gridcol="0" gridrow="0" pageId="28" pageNumber="69">REDESCRIPTION</th>
</tr>
<tr id="35393485FFAF003EFF69FCC11E2EFC33" box="[147,2070,887,914]" gridrow="1" pageId="28" pageNumber="69" rowspan-1="1">
<td id="76E85DF9FFAF003EFF69FCC1169EFC33" box="[147,166,887,914]" gridcol="0" gridrow="1" pageId="28" pageNumber="69">OF</td>
</tr>
<tr id="35393485FFAF003EFF69FC2E1E2EFBBF" box="[147,2070,920,1054]" gridrow="2" pageId="28" pageNumber="69" rowspan-1="1">
<td id="76E85DF9FFAF003EFF69FC2E169EFBBF" box="[147,166,920,1054]" gridcol="0" gridrow="2" pageId="28" pageNumber="69">
<taxonomicName id="4C094D44FFAFFFDDFF69FC2E169EFBBF" authorityName="Godunko &amp; Martynov &amp; Gattolliat" authorityYear="2018" box="[147,166,920,1054]" class="Insecta" family="Baetidae" genus="Nigrobaetis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ephemeroptera" pageId="28" pageNumber="69" phylum="Arthropoda" rank="genus">
<emphasis id="B97DEAD5FFAFFFDDFF69FC2E169EFBBF" box="[147,166,920,1054]" italics="true" pageId="28" pageNumber="69">NIGROBAETIS</emphasis>
</taxonomicName>
</td>
</tr>
<tr id="35393485FFAF003EFF69FBEA1E2EFB2E" box="[147,2070,1116,1167]" gridrow="3" pageId="28" pageNumber="69" rowspan-0="1">
<td id="76E85DF9FFAF003EFEEEFBEA1E2EFB2E" box="[276,2070,1116,1167]" gridcol="1" gridrow="3" pageId="28" pageNumber="69">(16) Used for the first time by Müller-Liebenau (1965: 87, fig. 2j, k); summarized for both species by Bauernfeind &amp; Soldán (2012). (17) Discussed in details by Kluge &amp; Novikova (2014: 231).</td>
</tr>
<tr id="35393485FFAF003EFF69FB261E2EFB63" box="[147,2070,1168,1218]" gridrow="4" pageId="28" pageNumber="69" rowspan-0="1">
<td id="76E85DF9FFAF003EFEEEFB261E2EFB63" box="[276,2070,1168,1218]" gridcol="1" gridrow="4" pageId="28" pageNumber="69">
(18) Discussed in details by Müller-Liebenau (1965, 1969); Novikova &amp; Kluge (1994) and Bauernfeind &amp; Soldán (2012). (19) Three rows of apical bristles in 
<taxonomicName id="4C094D44FFAFFFDDFDB7FB191483FB63" baseAuthorityName="Soldan &amp; Thomas" baseAuthorityYear="1983" box="[589,699,1198,1218]" class="Insecta" family="Baetidae" genus="Nigrobaetis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ephemeroptera" pageId="28" pageNumber="69" phylum="Arthropoda" rank="species" species="rhithralis">
<emphasis id="B97DEAD5FFAFFFDDFDB7FB191483FB63" box="[589,699,1198,1218]" italics="true" pageId="28" pageNumber="69">N. rhithralis</emphasis>
</taxonomicName>
according to Bauernfeind &amp; Soldán (2012: 157).
</td>
</tr>
<tr id="35393485FFAF003EFF69FB751E2EFB7D" box="[147,2070,1219,1244]" gridrow="5" pageId="28" pageNumber="69" rowspan-0="1">
<td id="76E85DF9FFAF003EFEEEFB751E2EFB7D" box="[276,2070,1219,1244]" gridcol="1" gridrow="5" pageId="28" pageNumber="69">
(20, 21) For 
<taxonomicName id="4C094D44FFAFFFDDFE97FB7F17E3FB7D" baseAuthorityName="Soldan &amp; Thomas" baseAuthorityYear="1983" box="[365,475,1224,1244]" class="Insecta" family="Baetidae" genus="Nigrobaetis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ephemeroptera" pageId="28" pageNumber="69" phylum="Arthropoda" rank="species" species="rhithralis">
<emphasis id="B97DEAD5FFAFFFDDFE97FB7F17E3FB7D" box="[365,475,1224,1244]" italics="true" pageId="28" pageNumber="69">N. rhithralis</emphasis>
</taxonomicName>
based on original description (Soldán &amp; Thomas 1983a: 356–357), and type material reinvestigation; for 
<taxonomicName id="4C094D44FFAFFFDDFA77FB7F13CDFB7D" baseAuthorityName="Bengtsson" baseAuthorityYear="1912" box="[1421,1525,1224,1244]" class="Insecta" family="Baetidae" genus="Nigrobaetis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ephemeroptera" pageId="28" pageNumber="69" phylum="Arthropoda" rank="species" species="digitatus">
<emphasis id="B97DEAD5FFAFFFDDFA77FB7F13CDFB7D" box="[1421,1525,1224,1244]" italics="true" pageId="28" pageNumber="69">N. digitatus</emphasis>
</taxonomicName>
based on our own material; see also Müller-Liebenau (1965;
</td>
</tr>
<tr id="35393485FFAF003EFF69FB541E2EFAAE" box="[147,2070,1250,1295]" gridrow="6" pageId="28" pageNumber="69" rowspan-0="1">
<td id="76E85DF9FFAF003EFEEEFB541E2EFAAE" box="[276,2070,1250,1295]" gridcol="1" gridrow="6" pageId="28" pageNumber="69">
1969). (22) All characters of legs setation (see XI.6–11) are adapted from Müller-Liebenau (1965; 1969); Sartori &amp; Thomas (1989: 134, table 1; 1991: 233, table 1) and Zrelli 
<emphasis id="B97DEAD5FFAFFFDDF91BFB4A1137FAAE" box="[1761,1807,1275,1295]" italics="true" pageId="28" pageNumber="69">et al.</emphasis>
(2012: 99, table 1). The type
</td>
</tr>
<tr id="35393485FFAF003EFF69FAA31E2EFAE2" box="[147,2070,1301,1347]" gridrow="7" pageId="28" pageNumber="69" rowspan-0="1">
<td id="76E85DF9FFAF003EFEEEFAA31E2EFAE2" box="[276,2070,1301,1347]" gridcol="1" gridrow="7" pageId="28" pageNumber="69">
of stout setae with more or less jagged margins and pointed or bluntly pointed tip is marked as 
<emphasis id="B97DEAD5FFAFFFDDFB9EFAA01290FA88" box="[1124,1192,1302,1321]" italics="true" pageId="28" pageNumber="69">DS -STS</emphasis>
in the text. (23) Discussed in details by Kluge &amp; Novikova (2014: 231).
</td>
</tr>
<tr id="35393485FFAF003EFF69FAF21E2EFAFD" box="[147,2070,1348,1372]" gridrow="8" pageId="28" pageNumber="69" rowspan-0="1">
<td id="76E85DF9FFAF003EFEEEFAF21E2EFAFD" box="[276,2070,1348,1372]" gridcol="1" gridrow="8" pageId="28" pageNumber="69">
(24) 
<emphasis id="B97DEAD5FFAFFFDDFECAFAFF1706FAFD" box="[304,318,1353,1372]" italics="true" pageId="28" pageNumber="69">A</emphasis>
— for 
<taxonomicName id="4C094D44FFAFFFDDFE85FAFF17D5FAFD" baseAuthorityName="Soldan &amp; Thomas" baseAuthorityYear="1983" box="[383,493,1352,1372]" class="Insecta" family="Baetidae" genus="Nigrobaetis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ephemeroptera" pageId="28" pageNumber="69" phylum="Arthropoda" rank="species" species="rhithralis">
<emphasis id="B97DEAD5FFAFFFDDFE85FAFF17D5FAFD" box="[383,493,1352,1372]" italics="true" pageId="28" pageNumber="69">N. rhithralis</emphasis>
</taxonomicName>
based on original description (Soldán &amp; Thomas 1983a: 356–357), and type material reinvestigation; 
<emphasis id="B97DEAD5FFAFFFDDFA85FAFF139FFAFD" box="[1407,1447,1353,1372]" italics="true" pageId="28" pageNumber="69">B–C</emphasis>
— for 
<taxonomicName id="4C094D44FFAFFFDDFA1DFAFF1068FAFD" baseAuthorityName="Bengtsson" baseAuthorityYear="1912" box="[1511,1616,1352,1372]" class="Insecta" family="Baetidae" genus="Nigrobaetis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ephemeroptera" pageId="28" pageNumber="69" phylum="Arthropoda" rank="species" species="digitatus">
<emphasis id="B97DEAD5FFAFFFDDFA1DFAFF1068FAFD" box="[1511,1616,1352,1372]" italics="true" pageId="28" pageNumber="69">N. digitatus</emphasis>
</taxonomicName>
based on material investigation, Müller-Liebenau
</td>
</tr>
<tr id="35393485FFAF003EFF69FAD41E2EFAD7" box="[147,2070,1378,1398]" gridrow="9" pageId="28" pageNumber="69" rowspan-0="1">
<td id="76E85DF9FFAF003EFEEEFAD41E2EFAD7" box="[276,2070,1378,1398]" gridcol="1" gridrow="9" pageId="28" pageNumber="69">(1969: 171–172, figs 133, 134), Novikova &amp; Kluge (1994: 632, fig. 3.1) and Bauernfeind &amp; Soldán (2012: 148).</td>
</tr>
<tr id="35393485FFAF003EFF69FACA1E2EFA31" box="[147,2070,1404,1424]" gridrow="10" pageId="28" pageNumber="69" rowspan-0="1">
<td id="76E85DF9FFAF003EFEEEFACA1E2EFA31" box="[276,2070,1404,1424]" gridcol="1" gridrow="10" pageId="28" pageNumber="69">
Pattern types: 
<emphasis id="B97DEAD5FFAFFFDDFE23FACA17C4FA2E" box="[473,508,1404,1423]" italics="true" pageId="28" pageNumber="69">B(i)</emphasis>
— unclear pale smudges centrally on brown background (less often pattern type); 
<emphasis id="B97DEAD5FFAFFFDDFB1AFACA1331FA2E" box="[1248,1289,1404,1423]" italics="true" pageId="28" pageNumber="69">B(ii)</emphasis>
— contrasting pattern includes a pair of small pale oblique dashes and a pair of small
</td>
</tr>
<tr id="35393485FFAF003EFF69FA231E2EFA08" box="[147,2070,1429,1449]" gridrow="11" pageId="28" pageNumber="69" rowspan-0="1">
<td id="76E85DF9FFAF003EFEEEFA231E2EFA08" box="[276,2070,1429,1449]" gridcol="1" gridrow="11" pageId="28" pageNumber="69">
pale dots centrally, near anterior margin of tergum on intensively brown background, tergum VIII significantly lighter [terga VIII–X paler than other ones]; 
<emphasis id="B97DEAD5FFAFFFDDF97DFA20108EFA08" box="[1671,1718,1430,1449]" italics="true" pageId="28" pageNumber="69">B(iii)</emphasis>
— generally the same pattern as 
<emphasis id="B97DEAD5FFAFFFDDF81AFA201E31FA08" box="[2016,2057,1430,1449]" italics="true" pageId="28" pageNumber="69">B(ii)</emphasis>
,
</td>
</tr>
<tr id="35393485FFAF003EFF69FA191E2EFA62" box="[147,2070,1455,1475]" gridrow="12" pageId="28" pageNumber="69" rowspan-0="1">
<td id="76E85DF9FFAF003EFEEEFA191E2EFA62" box="[276,2070,1455,1475]" gridcol="1" gridrow="12" pageId="28" pageNumber="69">in combination with two well separated medium pale spots on tergum IV centrally near posterior margin, and diffuse pale spot centrally on tergum VIII [terga IX and X with small diffuse pale spots</td>
</tr>
<tr id="35393485FFAF003EFF69FA7F1E2EFA57" box="[147,2070,1481,1526]" gridrow="13" pageId="28" pageNumber="69" rowspan-0="1">
<td id="76E85DF9FFAF003EFEEEFA7F1E2EFA57" box="[276,2070,1481,1526]" gridcol="1" gridrow="13" pageId="28" pageNumber="69">
centrally]. (25) Widely used character for delimitation of representatives of 
<taxonomicName id="4C094D44FFAFFFDDFCB0FA54158CFA57" authorityName="Godunko &amp; Martynov &amp; Gattolliat" authorityYear="2018" box="[842,948,1506,1526]" class="Insecta" family="Baetidae" genus="Nigrobaetis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ephemeroptera" pageId="28" pageNumber="69" phylum="Arthropoda" rank="genus">
<emphasis id="B97DEAD5FFAFFFDDFCB0FA54158CFA57" box="[842,948,1506,1526]" italics="true" pageId="28" pageNumber="69">Nigrobaetis</emphasis>
</taxonomicName>
(see e.g. Müller-Liebenau (1965: 90–91, fig. 4a; 1969: 169, 173, fig. 130); Soldán &amp; Thomas (1983a: 357, fig. 7); Sartori &amp;
</td>
</tr>
<tr id="35393485FFAF003EFF69FA4A1E2EF9E2" box="[147,2070,1532,1603]" gridrow="14" pageId="28" pageNumber="69" rowspan-0="1">
<td id="76E85DF9FFAF003EFEEEFA4A1E2EF9E2" box="[276,2070,1532,1603]" gridcol="1" gridrow="14" pageId="28" pageNumber="69">Thomas (1991: 232, fig. pl. 4); Novikova &amp; Kluge (1994: 627–629, key for larvae); Jacob (1991: 281, fig. 5i; 2003 113: fig. 28a). (26) For comparison see Bauernfeind &amp; Soldán (2012). (27) The term proposed by Kluge (2004: 38).</td>
</tr>
</table>
</paragraph>
<paragraph id="8BB636C7FFAEFFDCFF3DFF2116D7FEBC" blockId="29.[151,1437,151,1077]" pageId="29" pageNumber="70">
Differences can be also found in gill shape and their proportions (
<tableCitation id="C68B037CFFAEFFDCFC54FF21123DFF11" box="[942,1029,151,176]" captionStart="TABLE 1" captionStartId="23.[147,220,548,567]" captionText="TABLE 1. Morphological characters to distinguishing of Nigrobaetis rhithralis (Soldán &amp; Thomas, 1983) (Figs 1–9, 10A–B, 11–60) from N. digitatus (Bengtsson, 1912) (Figs 10C, 61–81). Distinct differential characters are marked in grey." pageId="29" pageNumber="70">Table 1</tableCitation>
: characters 
<date id="FFB71007FFAEFFDCFB76FF2E133CFF11" box="[1164,1284,152,176]" pageId="29" pageNumber="70" value="2010-12-13">XII.10–13</date>
). Gills VII of 
<taxonomicName id="4C094D44FFAEFFDCFF6DFF0B1726FF74" baseAuthorityName="Bengtsson" baseAuthorityYear="1912" box="[151,286,188,213]" class="Insecta" family="Baetidae" genus="Nigrobaetis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ephemeroptera" pageId="29" pageNumber="70" phylum="Arthropoda" rank="species" species="digitatus">
<emphasis id="B97DEAD5FFAEFFDCFF6DFF0B1726FF74" box="[151,286,188,213]" italics="true" pageId="29" pageNumber="70">N. digitatus</emphasis>
</taxonomicName>
possess a rather unique concave margin (
<bibRefCitation id="EF984B36FFAEFFDCFCF0FF0A1288FF75" box="[778,1200,188,213]" pageId="29" pageNumber="70" refId="ref11934" refString="Muller-Liebenau, I. (1969) Revision der europaischen Arten der Gattung Baetis Leach, 1815 (Insecta, Ephemeroptera). Gewasser und Abwasser, 28 / 29, 1 - 214." type="journal article">Müller-Liebenau 1969: 169, fig 132</bibRefCitation>
) while gills VII are almost symmetrical in 
<taxonomicName id="4C094D44FFAEFFDCFE60FF57141DFF59" baseAuthorityName="Soldan &amp; Thomas" baseAuthorityYear="1983" box="[410,549,223,248]" class="Insecta" family="Baetidae" genus="Nigrobaetis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ephemeroptera" pageId="29" pageNumber="70" phylum="Arthropoda" rank="species" species="rhithralis">
<emphasis id="B97DEAD5FFAEFFDCFE60FF57141DFF59" box="[410,549,223,248]" italics="true" pageId="29" pageNumber="70">N. rhithralis</emphasis>
</taxonomicName>
. The structure of lateral margins and surface of gills are rather similar in both species.
</paragraph>
<paragraph id="8BB636C7FFAEFFDCFF3DFE9116D5FE0D" blockId="29.[151,1437,151,1077]" pageId="29" pageNumber="70">
The larvae of 
<taxonomicName id="4C094D44FFAEFFDCFE98FE9F17D3FEE1" baseAuthorityName="Soldan &amp; Thomas" baseAuthorityYear="1983" box="[354,491,295,320]" class="Insecta" family="Baetidae" genus="Nigrobaetis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ephemeroptera" pageId="29" pageNumber="70" phylum="Arthropoda" rank="species" species="rhithralis">
<emphasis id="B97DEAD5FFAEFFDCFE98FE9F17D3FEE1" box="[354,491,295,320]" italics="true" pageId="29" pageNumber="70">N. rhithralis</emphasis>
</taxonomicName>
also markedly differ from larvae of 
<taxonomicName id="4C094D44FFAEFFDCFC7BFE9F123BFEE1" baseAuthorityName="Bengtsson" baseAuthorityYear="1912" box="[897,1027,295,320]" class="Insecta" family="Baetidae" genus="Nigrobaetis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ephemeroptera" pageId="29" pageNumber="70" phylum="Arthropoda" rank="species" species="digitatus">
<emphasis id="B97DEAD5FFAEFFDCFC7BFE9F123BFEE1" box="[897,1027,295,320]" italics="true" pageId="29" pageNumber="70">N. digitatus</emphasis>
</taxonomicName>
by the combination of the following characters: (
<emphasis id="B97DEAD5FFAEFFDCFEDBFEFD1711FEC5" bold="true" box="[289,297,331,356]" pageId="29" pageNumber="70">i</emphasis>
) shape of frontal suture; (
<emphasis id="B97DEAD5FFAEFFDCFDB4FEFD1465FEC5" bold="true" box="[590,605,331,356]" pageId="29" pageNumber="70">ii</emphasis>
) spines number and arrangement along the inner margin of paraproct and cercotractor (
<date id="FFB71007FFAEFFDCFED7FED917C4FE29" box="[301,508,367,392]" pageId="29" pageNumber="70">XII.15 and XII.18</date>
; 
<figureCitation id="13322A42FFAEFFDCFDF2FED91466FE29" box="[520,606,367,392]" captionStart="FIGURES 55–60" captionStartId="16.[151,264,1963,1986]" captionTargetBox="[193,1395,200,1923]" captionTargetId="figure@16.[189,1398,193,1942]" captionTargetPageId="16" captionText="FIGURES 55–60. Nigrobaetis rhithralis (Soldán &amp; Thomas, 1983), paratypes, larvae, abdominal terga: 55.—II; 56.—IV; 57.—VI; 58.—VIII; 59.—X; 60—paraproct. Without scale lines; roman numbers indicate respective abdominal segments." httpUri="https://zenodo.org/record/1441420/files/figure.png" pageId="29" pageNumber="70">Figs 60</figureCitation>
, 
<figureCitation id="13322A42FFAEFFDCFD91FEC614B3FE29" box="[619,651,368,392]" captionStart="FIGURES 76–81" captionStartId="21.[151,264,1655,1678]" captionTargetBox="[151,1436,193,1633]" captionTargetId="figure@21.[151,1436,193,1634]" captionTargetPageId="21" captionText="FIGURES 76–81. Nigrobaetis digitatus (Bengtsson, 1912), larvae; Sweden: 76.—surface of tergum V; 77.—surface of tergum VIII; 78.—posterior margin and surface of tergum V; 79.—posterior margin and surface of tergum VIII; 80.—inner margin and surface of paraproct; 81.—caudal filament segments. Scale lines = 10 µm." httpUri="https://zenodo.org/record/1441430/files/figure.png" pageId="29" pageNumber="70">80</figureCitation>
); and (
<emphasis id="B97DEAD5FFAEFFDCFD23FED914C8FE29" bold="true" box="[729,752,367,392]" pageId="29" pageNumber="70">iii</emphasis>
) shape of posterior margin of caudal filaments (
<date id="FFB71007FFAEFFDCFAE8FEC61367FE29" box="[1298,1375,368,392]" pageId="29" pageNumber="70" value="1921-12">XII.21</date>
; 
<figureCitation id="13322A42FFAEFFDCFA96FED9168EFE0C" captionStart="FIGURES 49–54" captionStartId="15.[151,264,1761,1784]" captionTargetBox="[151,1436,373,1741]" captionTargetId="figure@15.[151,1436,373,1741]" captionTargetPageId="15" captionText="FIGURES 49–54. Nigrobaetis rhithralis (Soldán &amp; Thomas, 1983), paratypes, larvae: 49.—scape and pedicel; 50.—shape of frontal suture; 51.—surface of tergum V; 52.—posterior margin and surface of tergum V; 53.—posterior margin and surface of tergum VIII; 54.—caudal filament segments. Scale lines = 10 µm [49, 51–54]; 100 µm [50]." httpUri="https://zenodo.org/record/1441418/files/figure.png" pageId="29" pageNumber="70">Figs 54</figureCitation>
, 
<figureCitation id="13322A42FFAEFFDCFF3BFE2216D8FE0D" box="[193,224,404,428]" captionStart="FIGURES 76–81" captionStartId="21.[151,264,1655,1678]" captionTargetBox="[151,1436,193,1633]" captionTargetId="figure@21.[151,1436,193,1634]" captionTargetPageId="21" captionText="FIGURES 76–81. Nigrobaetis digitatus (Bengtsson, 1912), larvae; Sweden: 76.—surface of tergum V; 77.—surface of tergum VIII; 78.—posterior margin and surface of tergum V; 79.—posterior margin and surface of tergum VIII; 80.—inner margin and surface of paraproct; 81.—caudal filament segments. Scale lines = 10 µm." httpUri="https://zenodo.org/record/1441430/files/figure.png" pageId="29" pageNumber="70">81</figureCitation>
).
</paragraph>
<paragraph id="8BB636C7FFAEFFDCFF3DFE0E145AFE55" blockId="29.[151,1437,151,1077]" pageId="29" pageNumber="70">
No differences in eggs chorionic surface were found between the two species (for 
<taxonomicName id="4C094D44FFAEFFDCFB9BFE0F12DBFE71" authority="Godunko &amp; Martynov &amp; Gattolliat, 2018" authorityName="Godunko &amp; Martynov &amp; Gattolliat" authorityYear="2018" box="[1121,1251,439,464]" class="Insecta" family="Baetidae" genus="Nigrobaetis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ephemeroptera" pageId="29" pageNumber="70" phylum="Arthropoda" rank="species" sensu="lato" species="digitatus">
<emphasis id="B97DEAD5FFAEFFDCFB9BFE0F12DBFE71" box="[1121,1251,439,464]" italics="true" pageId="29" pageNumber="70">N. digitatus</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A24E57AEFFAEFFDCFB11FE011333FE71" box="[1259,1291,439,464]" pageId="29" pageNumber="70" sensu="lato">s.l.</taxonomicNameLabel>
see 
<bibRefCitation id="EF984B36FFAEFFDCFAC7FE01178CFE55" pageId="29" pageNumber="70" refId="ref11715" refString="Kopelke, J. - P. &amp; Muller-Liebenau, I. (1981) Eistrukturen bei Ephemeroptera und deren Bedeutung fur die Aufstellung von Artengruppen am Beispiel der europaischen Arten der Gattung Baetis Leach, 1815. Teil III: buceratus -, atrebatinus -, niger, gracilis - und muticus - Gruppe (Ephemeroptera, Baetidae). Deutsche Entomologische Zeitschrift, 28 (1 - 3), 1 - 6. https: // doi. org / 10.1002 / mmnd. 19810280102" type="journal article">Kopelke &amp; Müller-Liebenau 1981</bibRefCitation>
: 3, figs 18, 19).
</paragraph>
</subSubSection>
<subSubSection id="C313654CFFAEFFDCFF3DFDB61468FC21" pageId="29" pageNumber="70" type="reference_group">
<paragraph id="8BB636C7FFAEFFDCFF3DFDB61468FC21" blockId="29.[151,1437,151,1077]" pageId="29" pageNumber="70">
As 
<emphasis id="B97DEAD5FFAEFFDCFF14FDB71432FDB9" box="[238,522,511,536]" italics="true" pageId="29" pageNumber="70">
<taxonomicName id="4C094D44FFAEFFDCFF14FDB7174CFDB9" ID-CoL="73XVZ" authorityName="Godunko &amp; Martynov &amp; Gattolliat" authorityYear="2018" box="[238,372,511,536]" class="Insecta" family="Baetidae" genus="Nigrobaetis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ephemeroptera" pageId="29" pageNumber="70" phylum="Arthropoda" rank="species" species="digitatus">N. digitatus</taxonomicName>
, 
<taxonomicName id="4C094D44FFAEFFDCFE7AFDB71432FDB9" ID-CoL="73Y9Y" baseAuthorityName="Soldan &amp; Thomas" baseAuthorityYear="1983" box="[384,522,511,536]" class="Insecta" family="Baetidae" genus="Nigrobaetis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ephemeroptera" pageId="29" pageNumber="70" phylum="Arthropoda" rank="species" species="rhithralis">N. rhithralis</taxonomicName>
</emphasis>
possesses six pairs of gills, and thus differs from 
<taxonomicName id="4C094D44FFAEFFDCFBC5FDB716F7FD9D" ID-CoL="6S9Y9" authority="Gattolliat &amp; Sartori, 2012" authorityName="Gattolliat &amp; Sartori" authorityYear="2012" class="Insecta" family="Baetidae" genus="Nigrobaetis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ephemeroptera" pageId="29" pageNumber="70" phylum="Arthropoda" rank="species" species="vuatazi">
<emphasis id="B97DEAD5FFAEFFDCFBC5FDB7128AFDB9" box="[1087,1202,513,536]" italics="true" pageId="29" pageNumber="70">N. vuatazi</emphasis>
<bibRefCitation id="EF984B36FFAEFFDCFB43FE4916F7FD9D" pageId="29" pageNumber="70" refId="ref11318" refString="Gattolliat, J. - L., Vuataz, L. &amp; Sartori, M. (2012) First contribution to the mayflies of Jordan (Insecta: Ephemeroptera). Zoology in the Middle East, 56, 91 - 110. https: // doi. org / 10.1080 / 09397140.2012.10648945" type="journal article">Gattolliat &amp; Sartori, 2012</bibRefCitation>
</taxonomicName>
(described from 
<collectingCountry id="F31E7657FFAEFFDCFE6DFD9217DBFD9C" box="[407,483,548,573]" name="Jordan" pageId="29" pageNumber="70">Jordan</collectingCountry>
) and the Afrotropical species 
<taxonomicName id="4C094D44FFAEFFDCFCBBFD93124DFD9D" ID-CoL="6S9XZ" authority="(Soldan, 1977)" baseAuthorityName="Soldan" baseAuthorityYear="1977" box="[833,1141,548,573]" class="Insecta" family="Baetidae" genus="Nigrobaetis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ephemeroptera" pageId="29" pageNumber="70" phylum="Arthropoda" rank="species" species="harasab">
<emphasis id="B97DEAD5FFAEFFDCFCBBFD9315F9FD9C" box="[833,961,548,573]" italics="true" pageId="29" pageNumber="70">N. harasab</emphasis>
(Soldán, 1977)
</taxonomicName>
, both with seven pairs of gills. From other 
<taxonomicName id="4C094D44FFAEFFDCFEA1FDF117E6FDC1" ID-CoL="6447" authorityName="Godunko &amp; Martynov &amp; Gattolliat" authorityYear="2018" box="[347,478,583,608]" class="Insecta" family="Baetidae" genus="Nigrobaetis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ephemeroptera" pageId="29" pageNumber="70" phylum="Arthropoda" rank="genus">
<emphasis id="B97DEAD5FFAEFFDCFEA1FDF117E6FDC1" box="[347,478,583,608]" italics="true" pageId="29" pageNumber="70">Nigrobaetis</emphasis>
</taxonomicName>
species described from the Afrotropical Region (viz., 
<taxonomicName id="4C094D44FFAEFFDCFBBEFDFF134FFDC1" ID-CoL="6RY7Z" authority="Gattolliat, 2004" authorityName="Gattolliat" authorityYear="2004" box="[1092,1399,583,608]" class="Insecta" family="Baetidae" genus="Nigrobaetis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ephemeroptera" pageId="29" pageNumber="70" phylum="Arthropoda" rank="species" species="colonus">
<emphasis id="B97DEAD5FFAEFFDCFBBEFDFF1284FDC1" box="[1092,1212,583,608]" italics="true" pageId="29" pageNumber="70">N. colonus</emphasis>
<bibRefCitation id="EF984B36FFAEFFDCFB3EFDF1134FFDC1" box="[1220,1399,583,608]" pageId="29" pageNumber="70" refId="ref11228" refString="Gattolliat, J. - L. (2004) First reports of the genus Nigrobaetis Novikova &amp; Kluge (Ephemeroptera: Baetidae) from Madagascar and La Reunion with observations on Afrotropical biogeography. Revue Suisse de Zoologie, 111, 657 - 669. https: // doi. org / 10.5962 / bhl. part. 80259" type="journal article">Gattolliat, 2004</bibRefCitation>
</taxonomicName>
, 
<taxonomicName id="4C094D44FFAEFFDCFA78FDFF1790FD25" ID-CoL="6S9VZ" authority="Gattolliat, 2004" authorityName="Gattolliat" authorityYear="2004" class="Insecta" family="Baetidae" genus="Nigrobaetis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ephemeroptera" pageId="29" pageNumber="70" phylum="Arthropoda" rank="species" species="cryptus">
<emphasis id="B97DEAD5FFAEFFDCFA78FDFF16D2FD25" italics="true" pageId="29" pageNumber="70">N. cryptus</emphasis>
<bibRefCitation id="EF984B36FFAEFFDCFF0EFDDA1790FD25" box="[244,424,620,645]" pageId="29" pageNumber="70" refId="ref11228" refString="Gattolliat, J. - L. (2004) First reports of the genus Nigrobaetis Novikova &amp; Kluge (Ephemeroptera: Baetidae) from Madagascar and La Reunion with observations on Afrotropical biogeography. Revue Suisse de Zoologie, 111, 657 - 669. https: // doi. org / 10.5962 / bhl. part. 80259" type="journal article">Gattolliat, 2004</bibRefCitation>
</taxonomicName>
and 
<taxonomicName id="4C094D44FFAEFFDCFE1DFDDB15E1FD25" authority="Lugo-Ortiz &amp; de Moor, 2000" authorityName="Lugo-Ortiz &amp; de Moor" authorityYear="2000" box="[487,985,620,645]" class="Insecta" family="Baetidae" genus="Nigrobaetis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ephemeroptera" pageId="29" pageNumber="70" phylum="Arthropoda" rank="species" species="bethunae">
<emphasis id="B97DEAD5FFAEFFDCFE1DFDDB144BFD24" box="[487,627,620,645]" italics="true" pageId="29" pageNumber="70">N. bethunae</emphasis>
Lugo-Ortiz &amp; de 
<bibRefCitation id="EF984B36FFAEFFDCFCB4FDDB15E1FD25" box="[846,985,620,644]" pageId="29" pageNumber="70" refId="ref11803" refString="Lugo-Ortiz, C. R. &amp; de Moor, F. C. (2000) Nigrobaetis Novikova &amp; Kluge (Ephemeroptera: Baetidae): first record and new species from southern Africa, with reassignment of one northern African species. African Entomology, 8 (1), 69 - 73." type="journal article">Moor, 2000</bibRefCitation>
</taxonomicName>
), 
<taxonomicName id="4C094D44FFAEFFDCFC0AFDDB1246FD24" ID-CoL="73Y9Y" baseAuthorityName="Soldan &amp; Thomas" baseAuthorityYear="1983" box="[1008,1150,620,645]" class="Insecta" family="Baetidae" genus="Nigrobaetis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ephemeroptera" pageId="29" pageNumber="70" phylum="Arthropoda" rank="species" species="rhithralis">
<emphasis id="B97DEAD5FFAEFFDCFC0AFDDB1246FD24" box="[1008,1150,620,645]" italics="true" pageId="29" pageNumber="70">N. rhithralis</emphasis>
</taxonomicName>
markedly differs by the presence of hind wing pads (
<bibRefCitation id="EF984B36FFAEFFDCFE1DFD3914A0FD09" box="[487,664,655,680]" pageId="29" pageNumber="70" refId="ref11228" refString="Gattolliat, J. - L. (2004) First reports of the genus Nigrobaetis Novikova &amp; Kluge (Ephemeroptera: Baetidae) from Madagascar and La Reunion with observations on Afrotropical biogeography. Revue Suisse de Zoologie, 111, 657 - 669. https: // doi. org / 10.5962 / bhl. part. 80259" type="journal article">Gattolliat 2004</bibRefCitation>
, Gattolliat 
<emphasis id="B97DEAD5FFAEFFDCFCE3FD27156CFD09" box="[793,852,655,680]" italics="true" pageId="29" pageNumber="70">et al.</emphasis>
2012). 
<taxonomicName id="4C094D44FFAEFFDCFC4BFD39129FFD09" ID-CoL="73Y9Y" baseAuthorityName="Soldan &amp; Thomas" baseAuthorityYear="1983" box="[945,1191,655,680]" class="Insecta" family="Baetidae" genus="Nigrobaetis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ephemeroptera" pageId="29" pageNumber="70" phylum="Arthropoda" rank="species" species="rhithralis">
<emphasis id="B97DEAD5FFAEFFDCFC4BFD39129FFD09" box="[945,1191,655,680]" italics="true" pageId="29" pageNumber="70">Nigrobaetis rhithralis</emphasis>
</taxonomicName>
can be distinguished from the Algerian species 
<taxonomicName id="4C094D44FFAEFFDCFE33FD0315AEFD6D" ID-CoL="73XXY" authority="(Soldan &amp; Thomas, 1983)" baseAuthorityName="Soldan &amp; Thomas" baseAuthorityYear="1983" box="[457,918,692,717]" class="Insecta" family="Baetidae" genus="Nigrobaetis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ephemeroptera" pageId="29" pageNumber="70" phylum="Arthropoda" rank="species" species="numidicus">
<emphasis id="B97DEAD5FFAEFFDCFE33FD031458FD6C" box="[457,608,692,717]" italics="true" pageId="29" pageNumber="70">N. numidicus</emphasis>
(Soldán &amp; Thomas, 1983)
</taxonomicName>
and 
<taxonomicName id="4C094D44FFAEFFDCFC28FD0313A4FD6D" ID-CoL="6RXWB" authority="Gattolliat &amp; Sartori, 2008" authorityName="Gattolliat &amp; Sartori" authorityYear="2008" box="[978,1436,692,717]" class="Insecta" family="Baetidae" genus="Nigrobaetis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ephemeroptera" pageId="29" pageNumber="70" phylum="Arthropoda" rank="species" species="arabiensis">
<emphasis id="B97DEAD5FFAEFFDCFC28FD031252FD6C" box="[978,1130,692,717]" italics="true" pageId="29" pageNumber="70">N. arabiensis</emphasis>
<bibRefCitation id="EF984B36FFAEFFDCFB8EFD0213A4FD6D" box="[1140,1436,692,717]" pageId="29" pageNumber="70" refId="ref11288" refString="Gattolliat, J. - L. &amp; Sartori, M. (2008) Order Ephemeroptera. Arthropod Fauna of the UAE, 1, 47 - 83." type="journal article">Gattolliat &amp; Sartori, 2008</bibRefCitation>
</taxonomicName>
described from 
<collectingCountry id="F31E7657FFAEFFDCFEB2FD611407FD51" box="[328,575,727,752]" name="United Arab Emirates" pageId="29" pageNumber="70">United Arab Emirates</collectingCountry>
by the well-developed numerous spines along the inner margin of paraproct (
<bibRefCitation id="EF984B36FFAEFFDCFF64FD4A17F2FCB4" box="[158,458,764,789]" pageId="29" pageNumber="70" refId="ref12526" refString="Soldan, T. &amp; Thomas, A. G. B. (1983 b) Baetis numidicus n. sp., Ephemeroptere nouveau d'Algerie (Baetidae). Annales de Limnologie, 19, 207 - 211. https: // doi. org / 10.1051 / limn / 1983024" type="journal article">Soldán &amp; Thomas 1983b</bibRefCitation>
; 
<bibRefCitation id="EF984B36FFAEFFDCFE20FD4A153CFCB5" box="[474,772,764,789]" pageId="29" pageNumber="70" refId="ref11288" refString="Gattolliat, J. - L. &amp; Sartori, M. (2008) Order Ephemeroptera. Arthropod Fauna of the UAE, 1, 47 - 83." type="journal article">Gattolliat &amp; Sartori 2008</bibRefCitation>
; Gattolliat 
<emphasis id="B97DEAD5FFAEFFDCFC73FD4B15FEFCB4" box="[905,966,764,789]" italics="true" pageId="29" pageNumber="70">et al.</emphasis>
2012). The second longitudinal vein of hindwings in 
<taxonomicName id="4C094D44FFAEFFDCFED4FC9717FAFC99" ID-CoL="73XXY" baseAuthorityName="Soldan &amp; Thomas" baseAuthorityYear="1983" box="[302,450,799,824]" class="Insecta" family="Baetidae" genus="Nigrobaetis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ephemeroptera" pageId="29" pageNumber="70" phylum="Arthropoda" rank="species" species="numidicus">
<emphasis id="B97DEAD5FFAEFFDCFED4FC9717FAFC99" box="[302,450,799,824]" italics="true" pageId="29" pageNumber="70">N. numidicus</emphasis>
</taxonomicName>
and 
<taxonomicName id="4C094D44FFAEFFDCFE0DFC971451FC99" ID-CoL="6S9Y9" authorityName="Gattolliat &amp; Sartori" authorityYear="2012" box="[503,617,801,824]" class="Insecta" family="Baetidae" genus="Nigrobaetis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ephemeroptera" pageId="29" pageNumber="70" phylum="Arthropoda" rank="species" species="vuatazi">
<emphasis id="B97DEAD5FFAEFFDCFE0DFC971451FC99" box="[503,617,801,824]" italics="true" pageId="29" pageNumber="70">N. vuatazi</emphasis>
</taxonomicName>
is not bifurcated as in most species of the genus. 
<taxonomicName id="4C094D44FFAEFFDCFB75FCA9134DFC99" ID-CoL="6S9XZ" baseAuthorityName="Soldan" baseAuthorityYear="1977" box="[1167,1397,799,824]" class="Insecta" family="Baetidae" genus="Nigrobaetis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ephemeroptera" pageId="29" pageNumber="70" phylum="Arthropoda" rank="species" species="harasab">
<emphasis id="B97DEAD5FFAEFFDCFB75FCA9134DFC99" box="[1167,1397,799,824]" italics="true" pageId="29" pageNumber="70">Nigrobaetis harasab</emphasis>
</taxonomicName>
, 
<taxonomicName id="4C094D44FFAEFFDCFA78FC971732FCFC" ID-CoL="73XXY" baseAuthorityName="Soldan &amp; Thomas" baseAuthorityYear="1983" class="Insecta" family="Baetidae" genus="Nigrobaetis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ephemeroptera" pageId="29" pageNumber="70" phylum="Arthropoda" rank="species" species="numidicus">
<emphasis id="B97DEAD5FFAEFFDCFA78FC971732FCFC" italics="true" pageId="29" pageNumber="70">N. numidicus</emphasis>
</taxonomicName>
and 
<taxonomicName id="4C094D44FFAEFFDCFEBFFCF31781FCFD" ID-CoL="6S9Y9" authorityName="Gattolliat &amp; Sartori" authorityYear="2012" box="[325,441,837,860]" class="Insecta" family="Baetidae" genus="Nigrobaetis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ephemeroptera" pageId="29" pageNumber="70" phylum="Arthropoda" rank="species" species="vuatazi">
<emphasis id="B97DEAD5FFAEFFDCFEBFFCF31781FCFD" box="[325,441,837,860]" italics="true" pageId="29" pageNumber="70">N. vuatazi</emphasis>
</taxonomicName>
can be separated from 
<taxonomicName id="4C094D44FFAEFFDCFD32FCF3156CFCFC" ID-CoL="73Y9Y" baseAuthorityName="Soldan &amp; Thomas" baseAuthorityYear="1983" box="[712,852,836,861]" class="Insecta" family="Baetidae" genus="Nigrobaetis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ephemeroptera" pageId="29" pageNumber="70" phylum="Arthropoda" rank="species" species="rhithralis">
<emphasis id="B97DEAD5FFAEFFDCFD32FCF3156CFCFC" box="[712,852,836,861]" italics="true" pageId="29" pageNumber="70">N. rhithralis</emphasis>
</taxonomicName>
and 
<taxonomicName id="4C094D44FFAEFFDCFC75FCF31210FCFC" ID-CoL="6RXWB" authorityName="Gattolliat &amp; Sartori" authorityYear="2008" box="[911,1064,836,861]" class="Insecta" family="Baetidae" genus="Nigrobaetis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ephemeroptera" pageId="29" pageNumber="70" phylum="Arthropoda" rank="species" species="arabiensis">
<emphasis id="B97DEAD5FFAEFFDCFC75FCF31210FCFC" box="[911,1064,836,861]" italics="true" pageId="29" pageNumber="70">N. arabiensis</emphasis>
</taxonomicName>
by the shape of spatulated stout setae along the outer margin of femora.
</paragraph>
</subSubSection>
<subSubSection id="C313654CFFAEFFDCFF3DFC3D1539FBB1" pageId="29" pageNumber="70" type="distribution">
<paragraph id="8BB636C7FFAEFFDCFF3DFC3D1539FBB1" blockId="29.[151,1437,151,1077]" pageId="29" pageNumber="70">
<emphasis id="B97DEAD5FFAEFFDCFF3DFC3D1761FC05" bold="true" box="[199,345,907,932]" pageId="29" pageNumber="70">Distribution</emphasis>
. The distribution of 
<taxonomicName id="4C094D44FFAEFFDCFDB2FC3B14EBFC04" baseAuthorityName="Soldan &amp; Thomas" baseAuthorityYear="1983" box="[584,723,908,933]" class="Insecta" family="Baetidae" genus="Nigrobaetis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ephemeroptera" pageId="29" pageNumber="70" phylum="Arthropoda" rank="species" species="rhithralis">
<emphasis id="B97DEAD5FFAEFFDCFDB2FC3B14EBFC04" box="[584,723,908,933]" italics="true" pageId="29" pageNumber="70">N. rhithralis</emphasis>
</taxonomicName>
is restricted to the Blidean Atlas as a part of the Tell Atlas in 
<collectingCountry id="F31E7657FFAEFFDCFF6DFC1916D3FC69" box="[151,235,943,968]" name="Algeria" pageId="29" pageNumber="70">Algeria</collectingCountry>
(see above; 
<bibRefCitation id="EF984B36FFAEFFDCFE85FC191498FC69" box="[383,672,943,968]" pageId="29" pageNumber="70" refId="ref12487" refString="Soldan, T. &amp; Thomas, A. G. B. (1983 a) New and little-known species of mayflies (Ephemeroptera) from Algeria. Acta Entomologica Bohemoslovaca, 80, 356 - 376." type="journal article">Soldán &amp; Thomas 1983a</bibRefCitation>
) (
<figureCitation id="13322A42FFAEFFDCFD43FC191578FC69" box="[697,832,943,968]" captionStart="FIGURES 82–83" captionStartId="22.[151,264,1884,1907]" captionTargetBox="[151,1436,193,1857]" captionTargetId="figure@22.[151,1436,193,1863]" captionTargetPageId="22" captionText="FIGURES 82–83. Chiffa River near Camp des Chênes (Gorge de la Chiffa, Wilaya de Blida, Algeria); within type locality of Nigrobaetis rhithralis (Soldán &amp; Thomas, 1983); approximately 260–270 m a.s.l. (September, 2014; photos by Talakhir Mohamed)." httpUri="https://zenodo.org/record/1441432/files/figure.png" pageId="29" pageNumber="70">Figs 82, 83</figureCitation>
); it is also known from two localities within the Rif Mountains in 
<collectingCountry id="F31E7657FFAEFFDCFEC9FC6317A0FC4D" box="[307,408,981,1004]" name="Morocco" pageId="29" pageNumber="70">Morocco</collectingCountry>
(
<bibRefCitation id="EF984B36FFAEFFDCFE52FC6214ACFC4D" box="[424,660,980,1005]" pageId="29" pageNumber="70" refId="ref10894" refString="El Alami, M., Dakki, M., Errami, M. &amp; Alba-Tercedor, J. (2000) Nouvelles donnees sur les Baetidae du Maroc (Insecta: Ephemeroptera) [New data on Baetidae (Insecta: Ephemeroptera) from Morocco]. Zoologica Baetica, 11, 105 - 113." type="journal article">
El Alami 
<emphasis id="B97DEAD5FFAEFFDCFDEDFC631468FC4C" box="[535,592,980,1005]" italics="true" pageId="29" pageNumber="70">et al.</emphasis>
2000
</bibRefCitation>
); and, according to the latest data, this species was also found in five localities in Northern 
<collectingCountry id="F31E7657FFAEFFDCFE76FC4117E7FBB1" box="[396,479,1015,1040]" name="Tunisia" pageId="29" pageNumber="70">Tunisia</collectingCountry>
(
<bibRefCitation id="EF984B36FFAEFFDCFE17FC411495FBB1" box="[493,685,1015,1040]" pageId="29" pageNumber="70" refId="ref12717" refString="Zrelli, S., Boumaiza, M., Bejaoui, M., Gattolliat, J. - L. &amp; Sartori, M. (2011) New reports of mayflies (Insecta: Ephemeroptera) from Tunisia. Revue Suisse de Zoologie, 118 (1), 3 - 10." type="journal article">
Zrelli 
<emphasis id="B97DEAD5FFAEFFDCFDCEFC4F1454FBB1" box="[564,620,1015,1040]" italics="true" pageId="29" pageNumber="70">et al.</emphasis>
2011
</bibRefCitation>
, 
<bibRefCitation id="EF984B36FFAEFFDCFD42FC4114CDFBB1" box="[696,757,1015,1040]" pageId="29" pageNumber="70" refId="ref12829" refString="Zrelli, S., Boumaiza, M., Bejaoui, M., Gattolliat, J. - L. &amp; Sartori, T. (2016) New data and revision of the Ephemeroptera of Tunisia. Inland Water Biology, 3 (Supplement), 99 - 106." type="journal article">2016</bibRefCitation>
).
</paragraph>
</subSubSection>
<subSubSection id="C313654CFFAEFFDCFF3DFBAD122AFB95" box="[199,1042,1051,1077]" pageId="29" pageNumber="70" type="biology_ecology">
<paragraph id="8BB636C7FFAEFFDCFF3DFBAD122AFB95" blockId="29.[151,1437,151,1077]" box="[199,1042,1051,1077]" pageId="29" pageNumber="70">
<emphasis id="B97DEAD5FFAEFFDCFF3DFBAD1727FB95" bold="true" box="[199,287,1051,1076]" pageId="29" pageNumber="70">Biology</emphasis>
. See 
<bibRefCitation id="EF984B36FFAEFFDCFEA6FBAA14BEFB95" box="[348,646,1052,1077]" pageId="29" pageNumber="70" refId="ref12487" refString="Soldan, T. &amp; Thomas, A. G. B. (1983 a) New and little-known species of mayflies (Ephemeroptera) from Algeria. Acta Entomologica Bohemoslovaca, 80, 356 - 376." type="journal article">Soldán &amp; Thomas (1983a)</bibRefCitation>
and 
<bibRefCitation id="EF984B36FFAEFFDCFD47FBAA1236FB95" box="[701,1038,1052,1077]" pageId="29" pageNumber="70" refId="ref10840" refString="Bauernfeind, E. &amp; Soldan, T. (2012) The Mayflies of Europe (Ephemeroptera). Apollo Books, Ollerup, 781 pp." type="book">Bauernfeind &amp; Soldán (2012)</bibRefCitation>
.
</paragraph>
</subSubSection>
</treatment>
</document>