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<emphasis id="84C5BA18FB8BD7101AABFB5F128CC6EB" italics="true" pageNumber="1543">Hystrix (Hystrix) africaeaustralis</emphasis>
subsp.
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Peter 1852
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subsp.
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Peter 1852
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<emphasis id="3CE01A828C6A1831A6CC1A613F8018E8" inLineHeading="true" pageNumber="1543">Type Locality:</emphasis>
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30 to 12
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S,
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40
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30E
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, sea level
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.
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subsp.
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Grill 1858
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;
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<emphasis id="CF6FAEA5B541AECBEEEE9F4E8697C667" italics="true" pageNumber="1543">Hystrix (Hystrix) africaeaustralis</emphasis>
subsp.
<emphasis id="EC449C879C9C17B485118FFA65885056" italics="true" pageNumber="1543">prittwitzi</emphasis>
Müller 1910
</taxonomicName>
;
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subsp.
<emphasis id="CABF13870096AE34F381887C347461D1" italics="true" pageNumber="1543">stegmanni</emphasis>
Müller 1910
</taxonomicName>
.
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<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Bouchard, Patrice</mods:namePart>
</mods:name>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Bousquet, Yves</mods:namePart>
</mods:name>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Davies, Anthony E.</mods:namePart>
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<mods:role>
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</mods:role>
<mods:namePart>Alonso-Zarazaga, Miguel A.</mods:namePart>
</mods:name>
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</mods:role>
<mods:namePart>Lawrence, John F.</mods:namePart>
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</mods:role>
<mods:namePart>Lyal, Chris H. C.</mods:namePart>
</mods:name>
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<mods:role>
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</mods:role>
<mods:namePart>Newton, Alfred F.</mods:namePart>
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</mods:role>
<mods:namePart>Reid, Chris A. M.</mods:namePart>
</mods:name>
<mods:name type="personal">
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<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Schmitt, Michael</mods:namePart>
</mods:name>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Ślipinski, S. Adam</mods:namePart>
</mods:name>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Smith, Andrew B. T.</mods:namePart>
</mods:name>
<mods:typeOfResource>text</mods:typeOfResource>
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</mods:titleInfo>
<mods:part>
<mods:date>2011</mods:date>
<mods:detail type="volume">
<mods:number>88</mods:number>
</mods:detail>
<mods:extent unit="page">
<mods:start>1</mods:start>
<mods:end>972</mods:end>
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<treatment ID-GBIF-Taxon="159363949" LSID="urn:lsid:plazi:treatment:3CAFB5BF4701293D8CBCC5138B2A7C7F" httpUri="http://treatment.plazi.org/id/3CAFB5BF4701293D8CBCC5138B2A7C7F" lastPageNumber="209" pageId="208" pageNumber="209">
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Tribe
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</paragraph>
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<subSubSection pageId="208" pageNumber="209" type="reference_group">
<paragraph pageId="208" pageNumber="209">
<taxonomicName lsidName="" pageId="208" pageNumber="209" rank="tribe" tribe="Protaxini">Protaxini</taxonomicName>
Gahan, 1906: 92 [stem: Protax-]. Type genus:
<taxonomicName class="Insecta" family="Cerambycidae" genus="Protaxis" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Protaxis" order="Coleoptera" pageId="208" pageNumber="209" phylum="Arthropoda" rank="genus">Protaxis</taxonomicName>
Gahan, 1906. Comment: current spelling maintained (Art. 29.5): incorrect original stem formation in prevailing usage (should be Protaxe-).
</paragraph>
</subSubSection>
</treatment>
</document>

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@ -0,0 +1,589 @@
<document ID-DOI="http://dx.doi.org/10.3897/zookeys.1068.70717" ID-GBIF-Dataset="7a9189c1-182d-48d2-99fc-fa54af751a1c" ID-PMC="PMC8578148" ID-Pensoft-Pub="1313-2970-1068-13" ID-Pensoft-UUID="E4DA91D35D5158B898FAC5FE23FC0E05" ID-PubMed="34790025" ModsDocID="1313-2970-1068-13" checkinTime="1635891681354" checkinUser="pensoft" docAuthor="Hrivniak, Ľubos, Sroka, Pavel, Bojkova, Jindriska, Godunko, Roman J. &amp; Manko, Peter" docDate="2021" docId="3CAFD9C5F3915B42902914E2B529FA07" docLanguage="en" docName="ZooKeys 1068: 13-26" docOrigin="ZooKeys 1068" docPubDate="2021-11-02" docSource="http://dx.doi.org/10.3897/zookeys.1068.70717" docTitle="Epeorus (Caucasiron) hyrcanicus Hrivniak &amp; Sroka 2021, sp. nov." docType="treatment" docVersion="4" id="E4DA91D35D5158B898FAC5FE23FC0E05" lastPageNumber="13" masterDocId="E4DA91D35D5158B898FAC5FE23FC0E05" masterDocTitle="A new species of Epeorus (Caucasiron) (Ephemeroptera, Heptageniidae) from Azerbaijan and Iran" masterLastPageNumber="26" masterPageNumber="13" pageNumber="13" updateTime="1668151052770" updateUser="ExternalLinkService">
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<mods:title>A new species of Epeorus (Caucasiron) (Ephemeroptera, Heptageniidae) from Azerbaijan and Iran</mods:title>
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<mods:roleTerm>Author</mods:roleTerm>
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<mods:namePart>Hrivniak, Ľubos</mods:namePart>
<mods:affiliation>Biology Centre of the Czech Academy of Sciences, Institute of Entomology, Branisovska 31, 37005 Ceske Budejovice, Czech Republic</mods:affiliation>
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<mods:namePart>Sroka, Pavel</mods:namePart>
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<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Bojkova, Jindriska</mods:namePart>
<mods:affiliation>Department of Botany and Zoology, Masaryk University, Kotlarska 2, 61137 Brno, Czech Republic</mods:affiliation>
</mods:name>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Godunko, Roman J.</mods:namePart>
<mods:nameIdentifier type="ORCID">https://orcid.org/0000-0003-2196-3327</mods:nameIdentifier>
<mods:affiliation>Biology Centre of the Czech Academy of Sciences, Institute of Entomology, Branisovska 31, 37005 Ceske Budejovice, Czech Republic &amp; Department of Invertebrate Zoology and Hydrobiology, University of Lodz, Banacha 12 / 16, 90237 Lodz, Poland</mods:affiliation>
<mods:nameIdentifier type="email">godunko@seznam.cz</mods:nameIdentifier>
</mods:name>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Manko, Peter</mods:namePart>
<mods:nameIdentifier type="ORCID">https://orcid.org/0000-0003-1862-9117</mods:nameIdentifier>
<mods:affiliation>Department of Ecology, Faculty of Humanities and Natural Sciences, University of Presov, 17. novembra 1, 08116 Presov, Slovakia</mods:affiliation>
</mods:name>
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<treatment ID-GBIF-Taxon="190304230" LSID="urn:lsid:zoobank.org:act:070D9D7B-CDE6-42D2-A3EB-2B77665C3C55" httpUri="http://treatment.plazi.org/id/3CAFD9C5F3915B42902914E2B529FA07" lastPageNumber="13" pageId="0" pageNumber="13">
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<taxonomicName LSID="http://zoobank.org/070D9D7B-CDE6-42D2-A3EB-2B77665C3C55" authority="Hrivniak &amp; Sroka" authorityName="Hrivniak &amp; Sroka" authorityYear="2021" class="Insecta" family="Heptageniidae" genus="Epeorus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Epeorus (Caucasiron) hyrcanicus" order="Ephemeroptera" pageId="0" pageNumber="13" phylum="Arthropoda" rank="species" species="hyrcanicus" status="sp. nov." subGenus="Caucasiron">Epeorus (Caucasiron) hyrcanicus Hrivniak &amp; Sroka</taxonomicName>
<taxonomicNameLabel pageId="0" pageNumber="13">sp. nov.</taxonomicNameLabel>
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="13" type="description">
<paragraph pageId="0" pageNumber="13">
<figureCitation captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Epeorus (Caucasiron) hyrcanicus, sp. nov., larva A habitus in dorsal view B habitus in ventral view C habitus in lateral view D head of male in dorsal view E head of female in dorsal view F, G middle leg in dorsal view H, I abdominal terga J, K gills VII (in natural position from ventral view) L-O abdominal sterna II-VI (arrow points on medio-lateral maculae)." figureDoi="10.3897/zookeys.1068.70717.figure4" httpUri="https://binary.pensoft.net/fig/606351" pageId="0" pageNumber="13">Figures 4</figureCitation>
<figureCitation captionStart="Figure 5" captionStartId="F5" captionText="Figure 5. Epeorus (Caucasiron) hyrcanicus, sp. nov., larva A labrum (left half in ventral view, right half in dorsal view) B incisors of left mandible C incisors of right mandible D setae on dorsal surface of femora E surface and posterior margin of abdominal tergum VII F gill I G gill III H gill VII (flattened on slide) I-K gill VII (in natural position from ventral view) L, M abdominal segments VIII-X in lateral view (arrow points on postero-lateral projection) N sternum IX of female." figureDoi="10.3897/zookeys.1068.70717.figure5" httpUri="https://binary.pensoft.net/fig/606352" pageId="0" pageNumber="13">, 5</figureCitation>
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="13" type="reference_group">
<paragraph pageId="0" pageNumber="13">
<taxonomicName authority="Hrivniak &amp; Sroka &amp; Bojková &amp; Godunko &amp; Manko, 2021" authorityName="Hrivniak &amp; Sroka &amp; Bojková &amp; Godunko &amp; Manko" authorityYear="2021" class="Insecta" family="Heptageniidae" genus="Caucasiron" higherTaxonomySource="GBIF" kingdom="Animalia" lsidName="Caucasiron" order="Ephemeroptera" pageId="0" pageNumber="13" phylum="Arthropoda" rank="genus" status="sp. nov.">Caucasiron</taxonomicName>
sp. 3 of
<bibRefCitation DOI="https://doi.org/10.1016/j.ympev.2020.106735" author="Hrivniak, Ľ" journalOrPublisher="ZooKeys" pageId="0" pageNumber="13" refId="B12" refString="Hrivniak, Ľ, Sroka, P, Bojkova, J, Godunko, RJ, Soldan, T, Staniczek, AH, 2020c. The impact of Miocene orogeny for the diversification of Caucasian Epeorus (Caucasiron) mayflies (Ephemeroptera: Heptageniidae). Molecular Phylogenetics and Evolution 146: e106735. https://doi.org/10.1016/j.ympev.2020.106735" title="The impact of Miocene orogeny for the diversification of Caucasian Epeorus (Caucasiron) mayflies (Ephemeroptera: Heptageniidae). Molecular Phylogenetics and Evolution 146: e 106735." url="https://doi.org/10.1016/j.ympev.2020.106735" year="2020 c">Hrivniak et al. 2020c</bibRefCitation>
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="13" type="notes">
<paragraph pageId="0" pageNumber="13">Notes.</paragraph>
<paragraph pageId="0" pageNumber="13">
<taxonomicName authorityName="Hrivniak &amp; Sroka" authorityYear="2021" class="Insecta" family="Heptageniidae" genus="Epeorus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Epeorus (Caucasiron) hyrcanicus" order="Ephemeroptera" pageId="0" pageNumber="13" phylum="Arthropoda" rank="species" species="hyrcanicus" subGenus="Caucasiron">Epeorus (Caucasiron) hyrcanicus</taxonomicName>
sp. nov. is attributed to the
<taxonomicName authority="Caucasiron" class="Insecta" family="Heptageniidae" genus="Epeorus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="(Caucasiron) subsp. subgenus" order="Ephemeroptera" pageId="0" pageNumber="13" phylum="Arthropoda" rank="subGenus" subGenus="Caucasiron">subgenus Caucasiron</taxonomicName>
within the genus
<taxonomicName authorityName="Eaton" authorityYear="1881" class="Insecta" family="Heptageniidae" genus="Epeorus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Epeorus" order="Ephemeroptera" pageId="0" pageNumber="13" phylum="Arthropoda" rank="genus">
<emphasis italics="true" pageId="0" pageNumber="13">Epeorus</emphasis>
</taxonomicName>
s.l. based on the following larval morphological characters: i) projections on the costal rib of gill plates II-VII, ii) presence of medio-dorsally directed hair-like setae located on the anterior margin of the head (see
<bibRefCitation DOI="https://doi.org/10.11646/zootaxa.3994.3.1" author="Kluge, NJ" journalOrPublisher="Zootaxa" pageId="0" pageNumber="13" pagination="301 - 353" refId="B15" refString="Kluge, NJ, 2015. Central Asian mountain Rhithrogenini (Ephemeroptera: Heptageniidae) with pointed and ephemeropteroid claws in the winged stages. Zootaxa 3994: 301 - 353, DOI: https://doi.org/10.11646/zootaxa.3994.3.1" title="Central Asian mountain Rhithrogenini (Ephemeroptera: Heptageniidae) with pointed and ephemeropteroid claws in the winged stages." url="https://doi.org/10.11646/zootaxa.3994.3.1" volume="3994" year="2015">Kluge 2015</bibRefCitation>
for a revision of the
<taxonomicName authority="Caucasiron" class="Insecta" family="Heptageniidae" genus="Epeorus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="(Caucasiron) subsp. subgenus" order="Ephemeroptera" pageId="0" pageNumber="13" phylum="Arthropoda" rank="subGenus" subGenus="Caucasiron">subgenus Caucasiron</taxonomicName>
).
</paragraph>
<caption doi="10.3897/zookeys.1068.70717.figure2" httpUri="https://binary.pensoft.net/fig/606349" pageId="0" pageNumber="13" start="Figure 2" startId="F2">
<paragraph pageId="0" pageNumber="13">
<emphasis bold="true" pageId="0" pageNumber="13">Figure 2.</emphasis>
Localities of
<taxonomicName authorityName="Hrivniak &amp; Sroka" authorityYear="2021" class="Insecta" family="Heptageniidae" genus="Epeorus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Epeorus (Caucasiron) hyrcanicus" order="Ephemeroptera" pageId="0" pageNumber="13" phylum="Arthropoda" rank="species" species="hyrcanicus" subGenus="Caucasiron">Epeorus (Caucasiron) hyrcanicus</taxonomicName>
sp. nov. in Iran
<emphasis bold="true" pageId="0" pageNumber="13">A</emphasis>
unnamed brook near Sangdeh village (locality no. 12)
<emphasis bold="true" pageId="0" pageNumber="13">B</emphasis>
Shamrud River near Tushi village (locality no. 17).
</paragraph>
</caption>
</subSubSection>
<subSubSection pageId="0" pageNumber="13" type="type material">
<paragraph pageId="0" pageNumber="13">Type material.</paragraph>
<paragraph pageId="0" pageNumber="13">
<emphasis bold="true" italics="true" pageId="0" pageNumber="13">Holotype</emphasis>
: female larva: Azerbaijan,
<normalizedToken originalValue="Lənkəran">Lənkəran</normalizedToken>
Province, NW of Azaru village, unnamed brook (left tributary (LT) of Vasharu River);
<geoCoordinate degrees="38.5873689" direction="north" orientation="latitude" precision="1" value="38.587368">38.5873689N</geoCoordinate>
,
<geoCoordinate degrees="48.5870392" direction="east" orientation="longitude" precision="1" value="48.58704">48.5870392E</geoCoordinate>
(locality AZE5/2018); 1028 m a.s.l.;
<normalizedToken originalValue="Ľ">Ľ</normalizedToken>
. Hrivniak, M.
<normalizedToken originalValue="Žiak">Ziak</normalizedToken>
leg., 21.9.2018.
<emphasis bold="true" italics="true" pageId="0" pageNumber="13">Paratypes</emphasis>
: 5 larvae (2 barcoded and mounted on slide; labelled CFC1, CFC2): same data as holotype.
</paragraph>
<caption doi="10.3897/zookeys.1068.70717.figure3" httpUri="https://binary.pensoft.net/fig/606350" pageId="0" pageNumber="13" start="Figure 3" startId="F3">
<paragraph pageId="0" pageNumber="13">
<emphasis bold="true" pageId="0" pageNumber="13">Figure 3.</emphasis>
COI gene tree with the results from molecular species delimitation and larval morphology. Stars near nodes represent posterior probability 1. Delimitation of
<taxonomicName authorityName="Hrivniak &amp; Sroka" authorityYear="2021" class="Insecta" family="Heptageniidae" genus="Epeorus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Epeorus (Caucasiron) hyrcanicus" order="Ephemeroptera" pageId="0" pageNumber="13" phylum="Arthropoda" rank="species" species="hyrcanicus" subGenus="Caucasiron">Epeorus (Caucasiron) hyrcanicus</taxonomicName>
, sp. nov. highlighted by dashed rectangle.
</paragraph>
</caption>
<paragraph pageId="0" pageNumber="13">
1 larva (mounted on slide): Azerbaijan,
<normalizedToken originalValue="Lənkəran">Lənkəran</normalizedToken>
Province, SW of Sim village, unnamed brook (tributary of Digo River);
<geoCoordinate degrees="38.4824842" direction="north" orientation="latitude" precision="1" value="38.482483">38.4824842N</geoCoordinate>
,
<geoCoordinate degrees="48.6243081" direction="east" orientation="longitude" precision="1" value="48.62431">48.6243081E</geoCoordinate>
(locality AZE6/2018); 734 m a.s.l.;
<normalizedToken originalValue="Ľ">Ľ</normalizedToken>
. Hrivniak, P. Manko leg., 21.9.2018.
</paragraph>
<paragraph pageId="0" pageNumber="13">
4 larvae (one barcoded and mounted on slide; labelled N4): Iran: Gilan Province, NW of Sangdeh village, unnamed brook (LT of Shafa-rud River);
<geoCoordinate degrees="37.5294444" direction="north" orientation="latitude" precision="1" value="37.529446">37.5294444N</geoCoordinate>
,
<geoCoordinate degrees="48.7552778" direction="east" orientation="longitude" precision="1" value="48.75528">48.7552778 E</geoCoordinate>
(locality no. 12); 1345 m a.s.l.; J.
<normalizedToken originalValue="Bojková">Bojkova</normalizedToken>
, T.
<normalizedToken originalValue="Soldán">Soldan</normalizedToken>
, J. Imanpour Namin leg., 15.5.2016.
</paragraph>
<paragraph pageId="0" pageNumber="13">
1 larva (barcoded; labelled N2): Iran, Gilan Province, S of Tushi village (S of Siahkal village), Shamrud River (RT of Sefid-rud River);
<geoCoordinate degrees="37.0500000" direction="north" orientation="latitude" precision="1" value="37.05">37.0500000N</geoCoordinate>
,
<geoCoordinate degrees="49.8983333" direction="east" orientation="longitude" precision="1" value="49.898335">49.8983333E</geoCoordinate>
(locality no. 17); 314 m a.s.l.; J.
<normalizedToken originalValue="Bojková">Bojkova</normalizedToken>
, T.
<normalizedToken originalValue="Soldán">Soldan</normalizedToken>
, J. Imanpour Namin leg., 16.5.2016.
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="13" type="materials_examined">
<paragraph pageId="0" pageNumber="13">Other material (damaged larvae).</paragraph>
<paragraph pageId="0" pageNumber="13">
<materialsCitation collectingDate="2021-01-01" collectingDateMax="2021-12-31" collectingDateMin="2021-01-01" specimenCount="4" specimenCount-larva="4">
<specimenCount type="larva">4 larvae</specimenCount>
(2 barcoded and mounted on slide; labelled CFC4, CFC3): same data as holotype
</materialsCitation>
.
</paragraph>
<paragraph pageId="0" pageNumber="13">
<materialsCitation collectingDate="2016-05-19" collectorName="W Chelvand, J. Bojkova, T. Soldan, J. Imanpour Namin" country="Iran" elevation="4" latitude="38.288887" location="Chelavand River" longLatPrecision="1" longitude="48.859722" municipality="Chelvand village" specimenCount="1" specimenCount-larva="1" stateProvince="Gilan Province">
<specimenCount type="larva">1 larva</specimenCount>
(barcoded; labelled N3):
<collectingCountry name="Iran">Iran</collectingCountry>
,
<collectingRegion country="Iran" name="Gilan">Gilan Province</collectingRegion>
,
<collectorName>
W
<collectingMunicipality>Chelvand village</collectingMunicipality>
</collectorName>
(
<locationDeviation location="Lavandvil village">S of Lavandvil village</locationDeviation>
),
<location LSID="urn:lsid:plazi:treatment:3CAFD9C5F3915B42902914E2B529FA07:E55B030870F3EEFBEB679323CA973A6E" country="Iran" latitude="38.288887" longLatPrecision="1" longitude="48.859722" municipality="Chelvand village" name="Chelavand River" stateProvince="Gilan Province">Chelavand River</location>
(about
<quantity metricMagnitude="3" metricUnit="m" metricValue="2.5" unit="km" value="2.5">2.5 km</quantity>
from its mouth);
<geoCoordinate degrees="38.2888889" direction="north" orientation="latitude" precision="1" value="38.288887">38.2888889N</geoCoordinate>
,
<geoCoordinate degrees="48.8597222" direction="east" orientation="longitude" precision="1" value="48.859722">48.8597222E</geoCoordinate>
(locality no. 27); -
<elevation metricMagnitude="0" metricUnit="m" metricValue="4.0" unit="m" value="4.0">
<quantity metricMagnitude="0" metricUnit="m" metricValue="4.0" unit="m" value="4.0">4 m</quantity>
a.s.l.
</elevation>
;
<collectorName>
J.
<normalizedToken originalValue="Bojková">Bojkova</normalizedToken>
</collectorName>
,
<collectorName>
T.
<normalizedToken originalValue="Soldán">Soldan</normalizedToken>
</collectorName>
,
<collectorName>J. Imanpour Namin</collectorName>
leg.,
<collectingDate value="2016-05-19">19.5.2016</collectingDate>
</materialsCitation>
.
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="13" type="etymology">
<paragraph pageId="0" pageNumber="13">Etymology.</paragraph>
<paragraph pageId="0" pageNumber="13">The name refers to the distribution of the species in the Hyrcanian forest.</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="13" type="distribution">
<paragraph pageId="0" pageNumber="13">Distribution and habitat preferences of larvae.</paragraph>
<paragraph pageId="0" pageNumber="13">
The species is distributed in northwestern Iran and southeastern Azerbaijan (Fig.
<figureCitation captionStart="Figure 1" captionStartId="F1" captionText="Figure 1. Location of study area (left corner), overall sampling (right corner), and distribution of Epeorus (Caucasiron) hyrcanicus, sp. nov. (orange squares)." figureDoi="10.3897/zookeys.1068.70717.figure1" httpUri="https://binary.pensoft.net/fig/606348" pageId="0" pageNumber="13">1</figureCitation>
) at -4 to 1345 m a.s.l. Larvae were found in streams and rivers flowing to the Caspian Sea in the humid forested slopes of western Alborz. They likely inhabit only cold and clear streams and rivers with stony bed substrate and turbulent flow. The species was not found in urban and agricultural areas in this region where many localities were investigated. Larvae were not abundant in either locality and co-occurred with the more abundant
<taxonomicName class="Insecta" kingdom="Animalia" lsidName="E. (C.) znojkoi" order="Ephemeroptera" pageId="0" pageNumber="13" phylum="Arthropoda" rank="species" species="znojkoi" subGenus="C.">E. (C.) znojkoi</taxonomicName>
.
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="13" type="description">
<paragraph pageId="0" pageNumber="13">Description of larva.</paragraph>
<paragraph pageId="0" pageNumber="13">
General coloration of larvae yellowish-brown, with dark brown to reddish maculation. Body length of male mature larva 8.25 mm (
<emphasis italics="true" pageId="0" pageNumber="13">n</emphasis>
= 1); cerci broken. Body length of female mature larvae unknown.
</paragraph>
<paragraph pageId="0" pageNumber="13">
<emphasis bold="true" pageId="0" pageNumber="13">Head.</emphasis>
Shape oval to trapezoidal (Fig.
<figureCitation captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Epeorus (Caucasiron) hyrcanicus, sp. nov., larva A habitus in dorsal view B habitus in ventral view C habitus in lateral view D head of male in dorsal view E head of female in dorsal view F, G middle leg in dorsal view H, I abdominal terga J, K gills VII (in natural position from ventral view) L-O abdominal sterna II-VI (arrow points on medio-lateral maculae)." figureDoi="10.3897/zookeys.1068.70717.figure4" httpUri="https://binary.pensoft.net/fig/606351" pageId="0" pageNumber="13">4D, E</figureCitation>
). Anterior margin with shallow concavity medially. Head dimensions: length 2.20 mm, width 3.04 mm (male); dimensions of female mature larva unknown. Head width/length ratio 1.36-1.41 (male), 1.40-1.44 (female). Coloration pattern as in Figure
<figureCitation captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Epeorus (Caucasiron) hyrcanicus, sp. nov., larva A habitus in dorsal view B habitus in ventral view C habitus in lateral view D head of male in dorsal view E head of female in dorsal view F, G middle leg in dorsal view H, I abdominal terga J, K gills VII (in natural position from ventral view) L-O abdominal sterna II-VI (arrow points on medio-lateral maculae)." figureDoi="10.3897/zookeys.1068.70717.figure4" httpUri="https://binary.pensoft.net/fig/606351" pageId="0" pageNumber="13">4D, E</figureCitation>
. Dorsal surface of head covered with fine hair-like setae and sparsely distributed stick-like setae. Sparse longer hair-like setae located posteriorly to eyes.
</paragraph>
<caption doi="10.3897/zookeys.1068.70717.figure4" httpUri="https://binary.pensoft.net/fig/606351" pageId="0" pageNumber="13" start="Figure 4" startId="F4">
<paragraph pageId="0" pageNumber="13">
<emphasis bold="true" pageId="0" pageNumber="13">Figure 4.</emphasis>
<taxonomicName authorityName="Hrivniak &amp; Sroka" authorityYear="2021" class="Insecta" family="Heptageniidae" genus="Epeorus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Epeorus (Caucasiron) hyrcanicus" order="Ephemeroptera" pageId="0" pageNumber="13" phylum="Arthropoda" rank="species" species="hyrcanicus" subGenus="Caucasiron">Epeorus (Caucasiron) hyrcanicus</taxonomicName>
, sp. nov., larva
<emphasis bold="true" pageId="0" pageNumber="13">A</emphasis>
habitus in dorsal view
<emphasis bold="true" pageId="0" pageNumber="13">B</emphasis>
habitus in ventral view
<emphasis bold="true" pageId="0" pageNumber="13">C</emphasis>
habitus in lateral view
<emphasis bold="true" pageId="0" pageNumber="13">D</emphasis>
head of male in dorsal view
<emphasis bold="true" pageId="0" pageNumber="13">E</emphasis>
head of female in dorsal view
<emphasis bold="true" pageId="0" pageNumber="13">F, G</emphasis>
middle leg in dorsal view
<emphasis bold="true" pageId="0" pageNumber="13">H, I</emphasis>
abdominal terga
<emphasis bold="true" pageId="0" pageNumber="13">J, K</emphasis>
gills VII (in natural position from ventral view)
<emphasis bold="true" pageId="0" pageNumber="13">L-O</emphasis>
abdominal sterna II-VI (arrow points on medio-lateral maculae).
</paragraph>
</caption>
<paragraph pageId="0" pageNumber="13">
<emphasis bold="true" pageId="0" pageNumber="13">Mouthparts.</emphasis>
Labrum (Fig.
<figureCitation captionStart="Figure 5" captionStartId="F5" captionText="Figure 5. Epeorus (Caucasiron) hyrcanicus, sp. nov., larva A labrum (left half in ventral view, right half in dorsal view) B incisors of left mandible C incisors of right mandible D setae on dorsal surface of femora E surface and posterior margin of abdominal tergum VII F gill I G gill III H gill VII (flattened on slide) I-K gill VII (in natural position from ventral view) L, M abdominal segments VIII-X in lateral view (arrow points on postero-lateral projection) N sternum IX of female." figureDoi="10.3897/zookeys.1068.70717.figure5" httpUri="https://binary.pensoft.net/fig/606352" pageId="0" pageNumber="13">5A</figureCitation>
) widened anteriorly, with anterior margin slightly rounded (in dorsal view). Lateral angles rounded (shape of labrum may vary among specimens). Dorsal surface (Fig.
<figureCitation captionStart="Figure 5" captionStartId="F5" captionText="Figure 5. Epeorus (Caucasiron) hyrcanicus, sp. nov., larva A labrum (left half in ventral view, right half in dorsal view) B incisors of left mandible C incisors of right mandible D setae on dorsal surface of femora E surface and posterior margin of abdominal tergum VII F gill I G gill III H gill VII (flattened on slide) I-K gill VII (in natural position from ventral view) L, M abdominal segments VIII-X in lateral view (arrow points on postero-lateral projection) N sternum IX of female." figureDoi="10.3897/zookeys.1068.70717.figure5" httpUri="https://binary.pensoft.net/fig/606352" pageId="0" pageNumber="13">5A</figureCitation>
, right half) sparsely covered with setae of different size; four longer bristle-like setae located antero-medially and two antero-laterally. Epipharynx with longer, slightly plumose bristles situated along lateral to anterior margin (Fig.
<figureCitation captionStart="Figure 5" captionStartId="F5" captionText="Figure 5. Epeorus (Caucasiron) hyrcanicus, sp. nov., larva A labrum (left half in ventral view, right half in dorsal view) B incisors of left mandible C incisors of right mandible D setae on dorsal surface of femora E surface and posterior margin of abdominal tergum VII F gill I G gill III H gill VII (flattened on slide) I-K gill VII (in natural position from ventral view) L, M abdominal segments VIII-X in lateral view (arrow points on postero-lateral projection) N sternum IX of female." figureDoi="10.3897/zookeys.1068.70717.figure5" httpUri="https://binary.pensoft.net/fig/606352" pageId="0" pageNumber="13">5A</figureCitation>
, left half; range of setation figured as large black dots), and cluster of fine, hair-like setae medially (not figured). Posterior margin of labrum irregularly concave; group of 11-13 setae of various sizes located on ventral surface close to posterior margin. Outer incisors of both mandibles (Fig.
<figureCitation captionStart="Figure 5" captionStartId="F5" captionText="Figure 5. Epeorus (Caucasiron) hyrcanicus, sp. nov., larva A labrum (left half in ventral view, right half in dorsal view) B incisors of left mandible C incisors of right mandible D setae on dorsal surface of femora E surface and posterior margin of abdominal tergum VII F gill I G gill III H gill VII (flattened on slide) I-K gill VII (in natural position from ventral view) L, M abdominal segments VIII-X in lateral view (arrow points on postero-lateral projection) N sternum IX of female." figureDoi="10.3897/zookeys.1068.70717.figure5" httpUri="https://binary.pensoft.net/fig/606352" pageId="0" pageNumber="13">5B, C</figureCitation>
) with three apical teeth; outer tooth blunt in both mandibles. Inner incisor of left mandible with three apical teeth (Fig.
<figureCitation captionStart="Figure 5" captionStartId="F5" captionText="Figure 5. Epeorus (Caucasiron) hyrcanicus, sp. nov., larva A labrum (left half in ventral view, right half in dorsal view) B incisors of left mandible C incisors of right mandible D setae on dorsal surface of femora E surface and posterior margin of abdominal tergum VII F gill I G gill III H gill VII (flattened on slide) I-K gill VII (in natural position from ventral view) L, M abdominal segments VIII-X in lateral view (arrow points on postero-lateral projection) N sternum IX of female." figureDoi="10.3897/zookeys.1068.70717.figure5" httpUri="https://binary.pensoft.net/fig/606352" pageId="0" pageNumber="13">5B</figureCitation>
), right inner incisor bifurcated (Fig.
<figureCitation captionStart="Figure 5" captionStartId="F5" captionText="Figure 5. Epeorus (Caucasiron) hyrcanicus, sp. nov., larva A labrum (left half in ventral view, right half in dorsal view) B incisors of left mandible C incisors of right mandible D setae on dorsal surface of femora E surface and posterior margin of abdominal tergum VII F gill I G gill III H gill VII (flattened on slide) I-K gill VII (in natural position from ventral view) L, M abdominal segments VIII-X in lateral view (arrow points on postero-lateral projection) N sternum IX of female." figureDoi="10.3897/zookeys.1068.70717.figure5" httpUri="https://binary.pensoft.net/fig/606352" pageId="0" pageNumber="13">5C</figureCitation>
).
</paragraph>
<caption doi="10.3897/zookeys.1068.70717.figure5" httpUri="https://binary.pensoft.net/fig/606352" pageId="0" pageNumber="13" start="Figure 5" startId="F5">
<paragraph pageId="0" pageNumber="13">
<emphasis bold="true" pageId="0" pageNumber="13">Figure 5.</emphasis>
<taxonomicName authorityName="Hrivniak &amp; Sroka" authorityYear="2021" class="Insecta" family="Heptageniidae" genus="Epeorus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Epeorus (Caucasiron) hyrcanicus" order="Ephemeroptera" pageId="0" pageNumber="13" phylum="Arthropoda" rank="species" species="hyrcanicus" subGenus="Caucasiron">Epeorus (Caucasiron) hyrcanicus</taxonomicName>
, sp. nov., larva
<emphasis bold="true" pageId="0" pageNumber="13">A</emphasis>
labrum (left half in ventral view, right half in dorsal view)
<emphasis bold="true" pageId="0" pageNumber="13">B</emphasis>
incisors of left mandible
<emphasis bold="true" pageId="0" pageNumber="13">C</emphasis>
incisors of right mandible
<emphasis bold="true" pageId="0" pageNumber="13">D</emphasis>
setae on dorsal surface of femora
<emphasis bold="true" pageId="0" pageNumber="13">E</emphasis>
surface and posterior margin of abdominal tergum VII
<emphasis bold="true" pageId="0" pageNumber="13">F</emphasis>
gill I
<emphasis bold="true" pageId="0" pageNumber="13">G</emphasis>
gill III
<emphasis bold="true" pageId="0" pageNumber="13">H</emphasis>
gill VII (flattened on slide)
<emphasis bold="true" pageId="0" pageNumber="13">I-K</emphasis>
gill VII (in natural position from ventral view)
<emphasis bold="true" pageId="0" pageNumber="13">L, M</emphasis>
abdominal segments VIII-X in lateral view (arrow points on postero-lateral projection)
<emphasis bold="true" pageId="0" pageNumber="13">N</emphasis>
sternum IX of female.
</paragraph>
</caption>
<paragraph pageId="0" pageNumber="13">
<emphasis bold="true" pageId="0" pageNumber="13">
<emphasis italics="true" pageId="0" pageNumber="13">Thorax</emphasis>
.
</emphasis>
Pronotum anteriorly narrowed, lateral edges nearly straight. Metanotum with slight postero-medial projection. Dorsal surface covered with fine, hair-like setae (as on abdominal terga and head); sparse longer hair-like setae along pro-, meso- and metanotal suture.
</paragraph>
<paragraph pageId="0" pageNumber="13">
<emphasis bold="true" pageId="0" pageNumber="13">
<emphasis italics="true" pageId="0" pageNumber="13">Legs</emphasis>
.
</emphasis>
Colour pattern of femora as in Figure
<figureCitation captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Epeorus (Caucasiron) hyrcanicus, sp. nov., larva A habitus in dorsal view B habitus in ventral view C habitus in lateral view D head of male in dorsal view E head of female in dorsal view F, G middle leg in dorsal view H, I abdominal terga J, K gills VII (in natural position from ventral view) L-O abdominal sterna II-VI (arrow points on medio-lateral maculae)." figureDoi="10.3897/zookeys.1068.70717.figure4" httpUri="https://binary.pensoft.net/fig/606351" pageId="0" pageNumber="13">4F, G</figureCitation>
. Femora with medial hypodermal spot; often distally blurred (Fig.
<figureCitation captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Epeorus (Caucasiron) hyrcanicus, sp. nov., larva A habitus in dorsal view B habitus in ventral view C habitus in lateral view D head of male in dorsal view E head of female in dorsal view F, G middle leg in dorsal view H, I abdominal terga J, K gills VII (in natural position from ventral view) L-O abdominal sterna II-VI (arrow points on medio-lateral maculae)." figureDoi="10.3897/zookeys.1068.70717.figure4" httpUri="https://binary.pensoft.net/fig/606351" pageId="0" pageNumber="13">4F</figureCitation>
) or poorly expressed (Fig.
<figureCitation captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Epeorus (Caucasiron) hyrcanicus, sp. nov., larva A habitus in dorsal view B habitus in ventral view C habitus in lateral view D head of male in dorsal view E head of female in dorsal view F, G middle leg in dorsal view H, I abdominal terga J, K gills VII (in natural position from ventral view) L-O abdominal sterna II-VI (arrow points on medio-lateral maculae)." figureDoi="10.3897/zookeys.1068.70717.figure4" httpUri="https://binary.pensoft.net/fig/606351" pageId="0" pageNumber="13">4G</figureCitation>
). Patella-tibial suture darkened; tarsi proximally and distally darkened. Coxal projections of fore- and hind legs pointed or bluntly pointed; in middle legs blunt. Spatulate setae on dorsal surface of femora short, sporadically elongated (Fig.
<figureCitation captionStart="Figure 5" captionStartId="F5" captionText="Figure 5. Epeorus (Caucasiron) hyrcanicus, sp. nov., larva A labrum (left half in ventral view, right half in dorsal view) B incisors of left mandible C incisors of right mandible D setae on dorsal surface of femora E surface and posterior margin of abdominal tergum VII F gill I G gill III H gill VII (flattened on slide) I-K gill VII (in natural position from ventral view) L, M abdominal segments VIII-X in lateral view (arrow points on postero-lateral projection) N sternum IX of female." figureDoi="10.3897/zookeys.1068.70717.figure5" httpUri="https://binary.pensoft.net/fig/606352" pageId="0" pageNumber="13">5D</figureCitation>
). Tarsal claws with 3-4 denticles.
</paragraph>
<paragraph pageId="0" pageNumber="13">
<emphasis bold="true" pageId="0" pageNumber="13">
<emphasis italics="true" pageId="0" pageNumber="13">Abdominal terga</emphasis>
.
</emphasis>
Colour pattern of abdominal terga (Fig.
<figureCitation captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Epeorus (Caucasiron) hyrcanicus, sp. nov., larva A habitus in dorsal view B habitus in ventral view C habitus in lateral view D head of male in dorsal view E head of female in dorsal view F, G middle leg in dorsal view H, I abdominal terga J, K gills VII (in natural position from ventral view) L-O abdominal sterna II-VI (arrow points on medio-lateral maculae)." figureDoi="10.3897/zookeys.1068.70717.figure4" httpUri="https://binary.pensoft.net/fig/606351" pageId="0" pageNumber="13">4A, H-I</figureCitation>
) consisting of transversal stripe along anterior margin of terga I-IX (X), medially extending, forming rectangular or triangular macula on terga II-IV (sometimes blurred), triangular macula on terga V-VII, and triangular or rectangular macula on terga VIII-IX (X). Lateral margins with oblique maculae on terga I-VIII (IX). Denticles on posterior margin of terga relatively dense, of various sizes, pointed and sometimes curved (Fig.
<figureCitation captionStart="Figure 5" captionStartId="F5" captionText="Figure 5. Epeorus (Caucasiron) hyrcanicus, sp. nov., larva A labrum (left half in ventral view, right half in dorsal view) B incisors of left mandible C incisors of right mandible D setae on dorsal surface of femora E surface and posterior margin of abdominal tergum VII F gill I G gill III H gill VII (flattened on slide) I-K gill VII (in natural position from ventral view) L, M abdominal segments VIII-X in lateral view (arrow points on postero-lateral projection) N sternum IX of female." figureDoi="10.3897/zookeys.1068.70717.figure5" httpUri="https://binary.pensoft.net/fig/606352" pageId="0" pageNumber="13">5E</figureCitation>
). Surface of terga covered with hair-like setae and sparsely with stick-like setae. Tergum X with short or without postero-lateral projections (Fig.
<figureCitation captionStart="Figure 5" captionStartId="F5" captionText="Figure 5. Epeorus (Caucasiron) hyrcanicus, sp. nov., larva A labrum (left half in ventral view, right half in dorsal view) B incisors of left mandible C incisors of right mandible D setae on dorsal surface of femora E surface and posterior margin of abdominal tergum VII F gill I G gill III H gill VII (flattened on slide) I-K gill VII (in natural position from ventral view) L, M abdominal segments VIII-X in lateral view (arrow points on postero-lateral projection) N sternum IX of female." figureDoi="10.3897/zookeys.1068.70717.figure5" httpUri="https://binary.pensoft.net/fig/606352" pageId="0" pageNumber="13">5L, M</figureCitation>
; arrow). Medial longitudinal row of hair-like setae along abdominal terga present.
</paragraph>
<paragraph pageId="0" pageNumber="13">
<emphasis bold="true" pageId="0" pageNumber="13">
<emphasis italics="true" pageId="0" pageNumber="13">Abdominal sterna</emphasis>
.
</emphasis>
Yellowish, with dark brown to blackish pattern. Sterna II-VI with a pair of oblique stripes (medio-anterior sigilla) and a pair of stripe-like (or elongated triangular) medio-lateral maculae joined to medio-anterior sigilla (Fig.
<figureCitation captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Epeorus (Caucasiron) hyrcanicus, sp. nov., larva A habitus in dorsal view B habitus in ventral view C habitus in lateral view D head of male in dorsal view E head of female in dorsal view F, G middle leg in dorsal view H, I abdominal terga J, K gills VII (in natural position from ventral view) L-O abdominal sterna II-VI (arrow points on medio-lateral maculae)." figureDoi="10.3897/zookeys.1068.70717.figure4" httpUri="https://binary.pensoft.net/fig/606351" pageId="0" pageNumber="13">4L-N</figureCitation>
; arrows). Intensity of colouration varies among individuals; stripe-like (or elongated triangular) medio-lateral stripes sometimes poorly developed (Fig.
<figureCitation captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Epeorus (Caucasiron) hyrcanicus, sp. nov., larva A habitus in dorsal view B habitus in ventral view C habitus in lateral view D head of male in dorsal view E head of female in dorsal view F, G middle leg in dorsal view H, I abdominal terga J, K gills VII (in natural position from ventral view) L-O abdominal sterna II-VI (arrow points on medio-lateral maculae)." figureDoi="10.3897/zookeys.1068.70717.figure4" httpUri="https://binary.pensoft.net/fig/606351" pageId="0" pageNumber="13">4O</figureCitation>
). Nerve ganglia darkened. Sternum IX with V-shaped medial emargination; surface covered by irregularly distributed hair-like setae (Fig.
<figureCitation captionStart="Figure 5" captionStartId="F5" captionText="Figure 5. Epeorus (Caucasiron) hyrcanicus, sp. nov., larva A labrum (left half in ventral view, right half in dorsal view) B incisors of left mandible C incisors of right mandible D setae on dorsal surface of femora E surface and posterior margin of abdominal tergum VII F gill I G gill III H gill VII (flattened on slide) I-K gill VII (in natural position from ventral view) L, M abdominal segments VIII-X in lateral view (arrow points on postero-lateral projection) N sternum IX of female." figureDoi="10.3897/zookeys.1068.70717.figure5" httpUri="https://binary.pensoft.net/fig/606352" pageId="0" pageNumber="13">5N</figureCitation>
).
</paragraph>
<paragraph pageId="0" pageNumber="13">
<emphasis bold="true" pageId="0" pageNumber="13">
<emphasis italics="true" pageId="0" pageNumber="13">Gills</emphasis>
.
</emphasis>
Dorsal surface of gill plates I yellowish; of gill plates II-VII yellowish on anterior half, brownish to reddish on posterior half. Ventral margin of all gill plates yellowish to greyish. Projection of gill plates III poorly developed (Fig.
<figureCitation captionStart="Figure 5" captionStartId="F5" captionText="Figure 5. Epeorus (Caucasiron) hyrcanicus, sp. nov., larva A labrum (left half in ventral view, right half in dorsal view) B incisors of left mandible C incisors of right mandible D setae on dorsal surface of femora E surface and posterior margin of abdominal tergum VII F gill I G gill III H gill VII (flattened on slide) I-K gill VII (in natural position from ventral view) L, M abdominal segments VIII-X in lateral view (arrow points on postero-lateral projection) N sternum IX of female." figureDoi="10.3897/zookeys.1068.70717.figure5" httpUri="https://binary.pensoft.net/fig/606352" pageId="0" pageNumber="13">5G</figureCitation>
; arrow). Gill plates VII relatively wide (in natural position of ventral view; Fig.
<figureCitation captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Epeorus (Caucasiron) hyrcanicus, sp. nov., larva A habitus in dorsal view B habitus in ventral view C habitus in lateral view D head of male in dorsal view E head of female in dorsal view F, G middle leg in dorsal view H, I abdominal terga J, K gills VII (in natural position from ventral view) L-O abdominal sterna II-VI (arrow points on medio-lateral maculae)." figureDoi="10.3897/zookeys.1068.70717.figure4" httpUri="https://binary.pensoft.net/fig/606351" pageId="0" pageNumber="13">4J, K</figureCitation>
;
<figureCitation captionStart="Figure 5" captionStartId="F5" captionText="Figure 5. Epeorus (Caucasiron) hyrcanicus, sp. nov., larva A labrum (left half in ventral view, right half in dorsal view) B incisors of left mandible C incisors of right mandible D setae on dorsal surface of femora E surface and posterior margin of abdominal tergum VII F gill I G gill III H gill VII (flattened on slide) I-K gill VII (in natural position from ventral view) L, M abdominal segments VIII-X in lateral view (arrow points on postero-lateral projection) N sternum IX of female." figureDoi="10.3897/zookeys.1068.70717.figure5" httpUri="https://binary.pensoft.net/fig/606352" pageId="0" pageNumber="13">5H-K</figureCitation>
).
</paragraph>
<paragraph pageId="0" pageNumber="13">
<emphasis bold="true" pageId="0" pageNumber="13">
<taxonomicName genus="Cerci" lsidName="Cerci" pageId="0" pageNumber="13" rank="genus">
<emphasis italics="true" pageId="0" pageNumber="13">Cerci</emphasis>
</taxonomicName>
.
</emphasis>
Yellowish brown, basally darkened.
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="13" type="subimago, imago and eggs">
<paragraph pageId="0" pageNumber="13">Subimago, imago and eggs.</paragraph>
<paragraph pageId="0" pageNumber="13">Unknown.</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="13" type="morphological diagnostics of larvae">
<paragraph pageId="0" pageNumber="13">Morphological diagnostics of larvae.</paragraph>
<paragraph pageId="0" pageNumber="13">
The main larval diagnostic characters of
<taxonomicName class="Insecta" kingdom="Animalia" lsidName="E. (C.) hyrcanicus" order="Ephemeroptera" pageId="0" pageNumber="13" phylum="Arthropoda" rank="species" species="hyrcanicus" subGenus="C.">E. (C.) hyrcanicus</taxonomicName>
sp. nov. are as follows: (i) abdominal sterna II-VI with pair of oblique stripes (Fig.
<figureCitation captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Epeorus (Caucasiron) hyrcanicus, sp. nov., larva A habitus in dorsal view B habitus in ventral view C habitus in lateral view D head of male in dorsal view E head of female in dorsal view F, G middle leg in dorsal view H, I abdominal terga J, K gills VII (in natural position from ventral view) L-O abdominal sterna II-VI (arrow points on medio-lateral maculae)." figureDoi="10.3897/zookeys.1068.70717.figure4" httpUri="https://binary.pensoft.net/fig/606351" pageId="0" pageNumber="13">4L-O</figureCitation>
) and stripe-like (or elongated triangular) medio-lateral maculae (Fig.
<figureCitation captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Epeorus (Caucasiron) hyrcanicus, sp. nov., larva A habitus in dorsal view B habitus in ventral view C habitus in lateral view D head of male in dorsal view E head of female in dorsal view F, G middle leg in dorsal view H, I abdominal terga J, K gills VII (in natural position from ventral view) L-O abdominal sterna II-VI (arrow points on medio-lateral maculae)." figureDoi="10.3897/zookeys.1068.70717.figure4" httpUri="https://binary.pensoft.net/fig/606351" pageId="0" pageNumber="13">4L-N</figureCitation>
; arrows), (ii) terga V-VII with triangular medial maculae (Fig.
<figureCitation captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Epeorus (Caucasiron) hyrcanicus, sp. nov., larva A habitus in dorsal view B habitus in ventral view C habitus in lateral view D head of male in dorsal view E head of female in dorsal view F, G middle leg in dorsal view H, I abdominal terga J, K gills VII (in natural position from ventral view) L-O abdominal sterna II-VI (arrow points on medio-lateral maculae)." figureDoi="10.3897/zookeys.1068.70717.figure4" httpUri="https://binary.pensoft.net/fig/606351" pageId="0" pageNumber="13">4H, I</figureCitation>
), iii) femora with medial hypodermal spot, sporadically absent, reduced, or distally blurred (Fig.
<figureCitation captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Epeorus (Caucasiron) hyrcanicus, sp. nov., larva A habitus in dorsal view B habitus in ventral view C habitus in lateral view D head of male in dorsal view E head of female in dorsal view F, G middle leg in dorsal view H, I abdominal terga J, K gills VII (in natural position from ventral view) L-O abdominal sterna II-VI (arrow points on medio-lateral maculae)." figureDoi="10.3897/zookeys.1068.70717.figure4" httpUri="https://binary.pensoft.net/fig/606351" pageId="0" pageNumber="13">4F, G</figureCitation>
), (vi) fine hair-like setae on surface of abdominal terga (Fig.
<figureCitation captionStart="Figure 5" captionStartId="F5" captionText="Figure 5. Epeorus (Caucasiron) hyrcanicus, sp. nov., larva A labrum (left half in ventral view, right half in dorsal view) B incisors of left mandible C incisors of right mandible D setae on dorsal surface of femora E surface and posterior margin of abdominal tergum VII F gill I G gill III H gill VII (flattened on slide) I-K gill VII (in natural position from ventral view) L, M abdominal segments VIII-X in lateral view (arrow points on postero-lateral projection) N sternum IX of female." figureDoi="10.3897/zookeys.1068.70717.figure5" httpUri="https://binary.pensoft.net/fig/606352" pageId="0" pageNumber="13">5E</figureCitation>
), (v) poorly developed projection on gill plates III (Fig.
<figureCitation captionStart="Figure 5" captionStartId="F5" captionText="Figure 5. Epeorus (Caucasiron) hyrcanicus, sp. nov., larva A labrum (left half in ventral view, right half in dorsal view) B incisors of left mandible C incisors of right mandible D setae on dorsal surface of femora E surface and posterior margin of abdominal tergum VII F gill I G gill III H gill VII (flattened on slide) I-K gill VII (in natural position from ventral view) L, M abdominal segments VIII-X in lateral view (arrow points on postero-lateral projection) N sternum IX of female." figureDoi="10.3897/zookeys.1068.70717.figure5" httpUri="https://binary.pensoft.net/fig/606352" pageId="0" pageNumber="13">5G</figureCitation>
; arrow), and (vi) relatively wide shape of gill plates VII (in natural position from ventral view; Fig.
<figureCitation captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Epeorus (Caucasiron) hyrcanicus, sp. nov., larva A habitus in dorsal view B habitus in ventral view C habitus in lateral view D head of male in dorsal view E head of female in dorsal view F, G middle leg in dorsal view H, I abdominal terga J, K gills VII (in natural position from ventral view) L-O abdominal sterna II-VI (arrow points on medio-lateral maculae)." figureDoi="10.3897/zookeys.1068.70717.figure4" httpUri="https://binary.pensoft.net/fig/606351" pageId="0" pageNumber="13">4J, K</figureCitation>
;
<figureCitation captionStart="Figure 5" captionStartId="F5" captionText="Figure 5. Epeorus (Caucasiron) hyrcanicus, sp. nov., larva A labrum (left half in ventral view, right half in dorsal view) B incisors of left mandible C incisors of right mandible D setae on dorsal surface of femora E surface and posterior margin of abdominal tergum VII F gill I G gill III H gill VII (flattened on slide) I-K gill VII (in natural position from ventral view) L, M abdominal segments VIII-X in lateral view (arrow points on postero-lateral projection) N sternum IX of female." figureDoi="10.3897/zookeys.1068.70717.figure5" httpUri="https://binary.pensoft.net/fig/606352" pageId="0" pageNumber="13">5H-K</figureCitation>
).
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="13" type="results from molecular species delimitation">
<paragraph pageId="0" pageNumber="13">Results from molecular species delimitation.</paragraph>
<paragraph pageId="0" pageNumber="13">
The GMYC species delimitation model applied to COI gene tree provided significantly better fit for a speciation branching than null model suggesting uniform coalescent branching across the entire tree (likelihood ratio test = 6.258895e-07***). The GMYC estimated 16 species (CI = 11-18) consisting of 15 ML clusters and one singleton (
<taxonomicName class="Insecta" kingdom="Animalia" lsidName="E. (C.) insularis" order="Ephemeroptera" pageId="0" pageNumber="13" phylum="Arthropoda" rank="species" species="insularis" subGenus="C.">E. (C.) insularis</taxonomicName>
). Morphologically defined
<taxonomicName class="Insecta" kingdom="Animalia" lsidName="E. (C.) hyrcanicus" order="Ephemeroptera" pageId="0" pageNumber="13" phylum="Arthropoda" rank="species" species="hyrcanicus" subGenus="C.">E. (C.) hyrcanicus</taxonomicName>
sp. nov. was delimited as a distinct species based on both GMYC and ABGD species molecular delimitation analyses. All species clusters were highly supported (PP = 1; Fig.
<figureCitation captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. COI gene tree with the results from molecular species delimitation and larval morphology. Stars near nodes represent posterior probability 1. Delimitation of Epeorus (Caucasiron) hyrcanicus, sp. nov. highlighted by dashed rectangle." figureDoi="10.3897/zookeys.1068.70717.figure3" httpUri="https://binary.pensoft.net/fig/606350" pageId="0" pageNumber="13">3</figureCitation>
).
</paragraph>
<paragraph pageId="0" pageNumber="13">
The intraspecific pairwise genetic distances between specimens of
<taxonomicName class="Insecta" kingdom="Animalia" lsidName="E. (C.) hyrcanicus" order="Ephemeroptera" pageId="0" pageNumber="13" phylum="Arthropoda" rank="species" species="hyrcanicus" subGenus="C.">E. (C.) hyrcanicus</taxonomicName>
sp. nov. reached up to 1.75%. The minimum (and mean) interspecific distances between
<taxonomicName class="Insecta" kingdom="Animalia" lsidName="E. (C.) hyrcanicus" order="Ephemeroptera" pageId="0" pageNumber="13" phylum="Arthropoda" rank="species" species="hyrcanicus" subGenus="C.">E. (C.) hyrcanicus</taxonomicName>
sp. nov. and other
<taxonomicName authorityName="Hrivniak &amp; Sroka &amp; Bojková &amp; Godunko &amp; Manko" authorityYear="2021" class="Insecta" family="Heptageniidae" genus="Caucasiron" higherTaxonomySource="GBIF" kingdom="Animalia" lsidName="Caucasiron" order="Ephemeroptera" pageId="0" pageNumber="13" phylum="Arthropoda" rank="genus">
<emphasis italics="true" pageId="0" pageNumber="13">Caucasiron</emphasis>
</taxonomicName>
species ranged between 8.11% (8.84%;
<taxonomicName class="Insecta" kingdom="Animalia" lsidName="E. (C.) nigripilosus" order="Ephemeroptera" pageId="0" pageNumber="13" phylum="Arthropoda" rank="species" species="nigripilosus" subGenus="C.">E. (C.) nigripilosus</taxonomicName>
) and 15.52% (15.88%;
<taxonomicName class="Insecta" kingdom="Animalia" lsidName="E. (C.) alpestris" order="Ephemeroptera" pageId="0" pageNumber="13" phylum="Arthropoda" rank="species" species="alpestris" subGenus="C.">E. (C.) alpestris</taxonomicName>
).
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="13" type="morphological affinities">
<paragraph pageId="0" pageNumber="13">Morphological affinities.</paragraph>
<paragraph pageId="0" pageNumber="13">
Although the combination of larval morphological diagnostic characters listed above clearly determine
<taxonomicName class="Insecta" kingdom="Animalia" lsidName="E. (C.) hyrcanicus" order="Ephemeroptera" pageId="0" pageNumber="13" phylum="Arthropoda" rank="species" species="hyrcanicus" subGenus="C.">E. (C.) hyrcanicus</taxonomicName>
sp. nov. from all
<taxonomicName authorityName="Hrivniak &amp; Sroka &amp; Bojková &amp; Godunko &amp; Manko" authorityYear="2021" class="Insecta" family="Heptageniidae" genus="Caucasiron" higherTaxonomySource="GBIF" kingdom="Animalia" lsidName="Caucasiron" order="Ephemeroptera" pageId="0" pageNumber="13" phylum="Arthropoda" rank="genus">
<emphasis italics="true" pageId="0" pageNumber="13">Caucasiron</emphasis>
</taxonomicName>
species known so far, some of the species distributed in the Caucasus and adjacent areas possess nearly identical states of some characters. Distinguishing of
<taxonomicName class="Insecta" kingdom="Animalia" lsidName="E. (C.) hyrcanicus" order="Ephemeroptera" pageId="0" pageNumber="13" phylum="Arthropoda" rank="species" species="hyrcanicus" subGenus="C.">E. (C.) hyrcanicus</taxonomicName>
sp. nov. from these species is described in detail below.
</paragraph>
<paragraph pageId="0" pageNumber="13">
Coloration pattern of abdominal sterna II-VI makes
<taxonomicName class="Insecta" kingdom="Animalia" lsidName="E. (C.) hyrcanicus" order="Ephemeroptera" pageId="0" pageNumber="13" phylum="Arthropoda" rank="species" species="hyrcanicus" subGenus="C.">E. (C.) hyrcanicus</taxonomicName>
sp. nov. the most similar to
<taxonomicName class="Insecta" kingdom="Animalia" lsidName="E. (C.) caucasicus" order="Ephemeroptera" pageId="0" pageNumber="13" phylum="Arthropoda" rank="species" species="caucasicus" subGenus="C.">E. (C.) caucasicus</taxonomicName>
(widely distributed in the Caucasus),
<taxonomicName class="Insecta" kingdom="Animalia" lsidName="E. (C.) iranicus" order="Ephemeroptera" pageId="0" pageNumber="13" phylum="Arthropoda" rank="species" species="iranicus" subGenus="C.">E. (C.) iranicus</taxonomicName>
(distributed in Alborz Mountains), and
<taxonomicName class="Insecta" kingdom="Animalia" lsidName="E. (C.) zagrosicus" order="Ephemeroptera" pageId="0" pageNumber="13" phylum="Arthropoda" rank="species" species="zagrosicus" subGenus="C.">E. (C.) zagrosicus</taxonomicName>
(distributed in Zagros Mountains). The pattern of all these species consists of a pair of oblique stripes (medio-anterior sigilla).
<taxonomicName class="Insecta" kingdom="Animalia" lsidName="E. (C.) hyrcanicus" order="Ephemeroptera" pageId="0" pageNumber="13" phylum="Arthropoda" rank="species" species="hyrcanicus" subGenus="C.">E. (C.) hyrcanicus</taxonomicName>
sp. nov. usually exhibits oblique stripes together with a pair of stripe-like (or elongated triangular) medio-lateral maculae (Fig.
<figureCitation captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Epeorus (Caucasiron) hyrcanicus, sp. nov., larva A habitus in dorsal view B habitus in ventral view C habitus in lateral view D head of male in dorsal view E head of female in dorsal view F, G middle leg in dorsal view H, I abdominal terga J, K gills VII (in natural position from ventral view) L-O abdominal sterna II-VI (arrow points on medio-lateral maculae)." figureDoi="10.3897/zookeys.1068.70717.figure4" httpUri="https://binary.pensoft.net/fig/606351" pageId="0" pageNumber="13">4L-N</figureCitation>
; arrows), in contrast to
<taxonomicName class="Insecta" kingdom="Animalia" lsidName="E. (C.) caucasicus" order="Ephemeroptera" pageId="0" pageNumber="13" phylum="Arthropoda" rank="species" species="caucasicus" subGenus="C.">E. (C.) caucasicus</taxonomicName>
and
<taxonomicName class="Insecta" kingdom="Animalia" lsidName="E. (C.) iranicus" order="Ephemeroptera" pageId="0" pageNumber="13" phylum="Arthropoda" rank="species" species="iranicus" subGenus="C.">E. (C.) iranicus</taxonomicName>
without such maculation (
<bibRefCitation DOI="https://doi.org/10.3897/zookeys.986.56276" author="Hrivniak, Ľ" journalOrPublisher="ZooKeys" pageId="0" pageNumber="13" pagination="1 - 53" refId="B10" refString="Hrivniak, Ľ, Sroka, P, Bojkova, J, Godunko, RJ, 2020a. Identification guide to larvae of Caucasian Epeorus (Caucasiron) (Ephemeroptera, Heptageniidae). ZooKeys 986: 1 - 53, DOI: https://doi.org/10.3897/zookeys.986.56276" title="Identification guide to larvae of Caucasian Epeorus (Caucasiron) (Ephemeroptera, Heptageniidae)." url="https://doi.org/10.3897/zookeys.986.56276" volume="986" year="2020 a">Hrivniak et al. 2020a</bibRefCitation>
: figs 4J, 22I, J).
</paragraph>
<paragraph pageId="0" pageNumber="13">
Weakly pigmented specimens of
<taxonomicName class="Insecta" kingdom="Animalia" lsidName="E. (C.) hyrcanicus" order="Ephemeroptera" pageId="0" pageNumber="13" phylum="Arthropoda" rank="species" species="hyrcanicus" subGenus="C.">E. (C.) hyrcanicus</taxonomicName>
sp. nov., i.e. without distinctly pigmented medio-lateral maculae on abdominal sterna II-VI (Fig.
<figureCitation captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Epeorus (Caucasiron) hyrcanicus, sp. nov., larva A habitus in dorsal view B habitus in ventral view C habitus in lateral view D head of male in dorsal view E head of female in dorsal view F, G middle leg in dorsal view H, I abdominal terga J, K gills VII (in natural position from ventral view) L-O abdominal sterna II-VI (arrow points on medio-lateral maculae)." figureDoi="10.3897/zookeys.1068.70717.figure4" httpUri="https://binary.pensoft.net/fig/606351" pageId="0" pageNumber="13">4O</figureCitation>
) possess the same coloration pattern as in
<taxonomicName class="Insecta" kingdom="Animalia" lsidName="E. (C.) caucasicus" order="Ephemeroptera" pageId="0" pageNumber="13" phylum="Arthropoda" rank="species" species="caucasicus" subGenus="C.">E. (C.) caucasicus</taxonomicName>
and
<taxonomicName class="Insecta" kingdom="Animalia" lsidName="E. (C.) iranicus" order="Ephemeroptera" pageId="0" pageNumber="13" phylum="Arthropoda" rank="species" species="iranicus" subGenus="C.">E. (C.) iranicus</taxonomicName>
. Such specimens are identifiable by the triangular shape of medial maculae on abdominal terga V-VII (Fig.
<figureCitation captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Epeorus (Caucasiron) hyrcanicus, sp. nov., larva A habitus in dorsal view B habitus in ventral view C habitus in lateral view D head of male in dorsal view E head of female in dorsal view F, G middle leg in dorsal view H, I abdominal terga J, K gills VII (in natural position from ventral view) L-O abdominal sterna II-VI (arrow points on medio-lateral maculae)." figureDoi="10.3897/zookeys.1068.70717.figure4" httpUri="https://binary.pensoft.net/fig/606351" pageId="0" pageNumber="13">4H, I</figureCitation>
). In contrast to
<taxonomicName class="Insecta" kingdom="Animalia" lsidName="E. (C.) hyrcanicus" order="Ephemeroptera" pageId="0" pageNumber="13" phylum="Arthropoda" rank="species" species="hyrcanicus" subGenus="C.">E. (C.) hyrcanicus</taxonomicName>
sp. nov.,
<taxonomicName class="Insecta" kingdom="Animalia" lsidName="E. (C.) caucasicus" order="Ephemeroptera" pageId="0" pageNumber="13" phylum="Arthropoda" rank="species" species="caucasicus" subGenus="C.">E. (C.) caucasicus</taxonomicName>
bears crown-like medial maculae on terga V-VII (
<bibRefCitation DOI="https://doi.org/10.3897/zookeys.986.56276" author="Hrivniak, Ľ" journalOrPublisher="ZooKeys" pageId="0" pageNumber="13" pagination="1 - 53" refId="B10" refString="Hrivniak, Ľ, Sroka, P, Bojkova, J, Godunko, RJ, 2020a. Identification guide to larvae of Caucasian Epeorus (Caucasiron) (Ephemeroptera, Heptageniidae). ZooKeys 986: 1 - 53, DOI: https://doi.org/10.3897/zookeys.986.56276" title="Identification guide to larvae of Caucasian Epeorus (Caucasiron) (Ephemeroptera, Heptageniidae)." url="https://doi.org/10.3897/zookeys.986.56276" volume="986" year="2020 a">Hrivniak et al. 2020a</bibRefCitation>
: fig. 4I), and
<taxonomicName class="Insecta" kingdom="Animalia" lsidName="E. (C.) iranicus" order="Ephemeroptera" pageId="0" pageNumber="13" phylum="Arthropoda" rank="species" species="iranicus" subGenus="C.">E. (C.) iranicus</taxonomicName>
stripe-like medial maculae with distinct antero-lateral stripes (
<bibRefCitation DOI="https://doi.org/10.3897/zookeys.986.56276" author="Hrivniak, Ľ" journalOrPublisher="ZooKeys" pageId="0" pageNumber="13" pagination="1 - 53" refId="B10" refString="Hrivniak, Ľ, Sroka, P, Bojkova, J, Godunko, RJ, 2020a. Identification guide to larvae of Caucasian Epeorus (Caucasiron) (Ephemeroptera, Heptageniidae). ZooKeys 986: 1 - 53, DOI: https://doi.org/10.3897/zookeys.986.56276" title="Identification guide to larvae of Caucasian Epeorus (Caucasiron) (Ephemeroptera, Heptageniidae)." url="https://doi.org/10.3897/zookeys.986.56276" volume="986" year="2020 a">Hrivniak et al. 2020a</bibRefCitation>
: fig. 22G).
</paragraph>
<paragraph pageId="0" pageNumber="13">
The oblique stripes on abdominal sterna II-VI in
<taxonomicName class="Insecta" kingdom="Animalia" lsidName="E. (C.) zagrosicus" order="Ephemeroptera" pageId="0" pageNumber="13" phylum="Arthropoda" rank="species" species="zagrosicus" subGenus="C.">E. (C.) zagrosicus</taxonomicName>
are anteriorly widened (
<bibRefCitation DOI="https://doi.org/10.3897/zookeys.986.56276" author="Hrivniak, Ľ" journalOrPublisher="ZooKeys" pageId="0" pageNumber="13" pagination="1 - 53" refId="B10" refString="Hrivniak, Ľ, Sroka, P, Bojkova, J, Godunko, RJ, 2020a. Identification guide to larvae of Caucasian Epeorus (Caucasiron) (Ephemeroptera, Heptageniidae). ZooKeys 986: 1 - 53, DOI: https://doi.org/10.3897/zookeys.986.56276" title="Identification guide to larvae of Caucasian Epeorus (Caucasiron) (Ephemeroptera, Heptageniidae)." url="https://doi.org/10.3897/zookeys.986.56276" volume="986" year="2020 a">Hrivniak et al. 2020a</bibRefCitation>
: fig. 46I). This feature separates this species from
<taxonomicName class="Insecta" kingdom="Animalia" lsidName="E. (C.) hyrcanicus" order="Ephemeroptera" pageId="0" pageNumber="13" phylum="Arthropoda" rank="species" species="hyrcanicus" subGenus="C.">E. (C.) hyrcanicus</taxonomicName>
sp. nov.
</paragraph>
<paragraph pageId="0" pageNumber="13">
In
<taxonomicName class="Insecta" kingdom="Animalia" lsidName="E. (C.) hyrcanicus" order="Ephemeroptera" pageId="0" pageNumber="13" phylum="Arthropoda" rank="species" species="hyrcanicus" subGenus="C.">E. (C.) hyrcanicus</taxonomicName>
sp. nov., the coloration pattern of abdominal terga V-VII, legs, and shape of gill plates VII (in natural position from ventral view) is similar to
<taxonomicName class="Insecta" kingdom="Animalia" lsidName="E. (C.) shargi" order="Ephemeroptera" pageId="0" pageNumber="13" phylum="Arthropoda" rank="species" species="shargi" subGenus="C.">E. (C.) shargi</taxonomicName>
(distributed in the eastern Alborz Mountains) (
<bibRefCitation DOI="https://doi.org/10.3897/zookeys.986.56276" author="Hrivniak, Ľ" journalOrPublisher="ZooKeys" pageId="0" pageNumber="13" pagination="1 - 53" refId="B10" refString="Hrivniak, Ľ, Sroka, P, Bojkova, J, Godunko, RJ, 2020a. Identification guide to larvae of Caucasian Epeorus (Caucasiron) (Ephemeroptera, Heptageniidae). ZooKeys 986: 1 - 53, DOI: https://doi.org/10.3897/zookeys.986.56276" title="Identification guide to larvae of Caucasian Epeorus (Caucasiron) (Ephemeroptera, Heptageniidae)." url="https://doi.org/10.3897/zookeys.986.56276" volume="986" year="2020 a">Hrivniak et al. 2020a</bibRefCitation>
: fig. 43). From this species,
<taxonomicName class="Insecta" kingdom="Animalia" lsidName="E. (C.) hyrcanicus" order="Ephemeroptera" pageId="0" pageNumber="13" phylum="Arthropoda" rank="species" species="hyrcanicus" subGenus="C.">E. (C.) hyrcanicus</taxonomicName>
can be distinguished by the presence of the coloration pattern on abdominal sterna II-VI (Fig.
<figureCitation captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Epeorus (Caucasiron) hyrcanicus, sp. nov., larva A habitus in dorsal view B habitus in ventral view C habitus in lateral view D head of male in dorsal view E head of female in dorsal view F, G middle leg in dorsal view H, I abdominal terga J, K gills VII (in natural position from ventral view) L-O abdominal sterna II-VI (arrow points on medio-lateral maculae)." figureDoi="10.3897/zookeys.1068.70717.figure4" httpUri="https://binary.pensoft.net/fig/606351" pageId="0" pageNumber="13">4L-O</figureCitation>
), in contrast to
<taxonomicName class="Insecta" kingdom="Animalia" lsidName="E. (C.) shargi" order="Ephemeroptera" pageId="0" pageNumber="13" phylum="Arthropoda" rank="species" species="shargi" subGenus="C.">E. (C.) shargi</taxonomicName>
, where the pattern is missing (
<bibRefCitation DOI="https://doi.org/10.3897/zookeys.986.56276" author="Hrivniak, Ľ" journalOrPublisher="ZooKeys" pageId="0" pageNumber="13" pagination="1 - 53" refId="B10" refString="Hrivniak, Ľ, Sroka, P, Bojkova, J, Godunko, RJ, 2020a. Identification guide to larvae of Caucasian Epeorus (Caucasiron) (Ephemeroptera, Heptageniidae). ZooKeys 986: 1 - 53, DOI: https://doi.org/10.3897/zookeys.986.56276" title="Identification guide to larvae of Caucasian Epeorus (Caucasiron) (Ephemeroptera, Heptageniidae)." url="https://doi.org/10.3897/zookeys.986.56276" volume="986" year="2020 a">Hrivniak et al. 2020a</bibRefCitation>
: fig. 43L). The poorly developed projection on gill plates III in
<taxonomicName class="Insecta" kingdom="Animalia" lsidName="E. (C.) hyrcanicus" order="Ephemeroptera" pageId="0" pageNumber="13" phylum="Arthropoda" rank="species" species="hyrcanicus" subGenus="C.">E. (C.) hyrcanicus</taxonomicName>
sp. nov. (Fig.
<figureCitation captionStart="Figure 5" captionStartId="F5" captionText="Figure 5. Epeorus (Caucasiron) hyrcanicus, sp. nov., larva A labrum (left half in ventral view, right half in dorsal view) B incisors of left mandible C incisors of right mandible D setae on dorsal surface of femora E surface and posterior margin of abdominal tergum VII F gill I G gill III H gill VII (flattened on slide) I-K gill VII (in natural position from ventral view) L, M abdominal segments VIII-X in lateral view (arrow points on postero-lateral projection) N sternum IX of female." figureDoi="10.3897/zookeys.1068.70717.figure5" httpUri="https://binary.pensoft.net/fig/606352" pageId="0" pageNumber="13">5G</figureCitation>
; arrow) also differs from
<taxonomicName class="Insecta" kingdom="Animalia" lsidName="E. (C.) shargi" order="Ephemeroptera" pageId="0" pageNumber="13" phylum="Arthropoda" rank="species" species="shargi" subGenus="C.">E. (C.) shargi</taxonomicName>
with well-developed projection (
<bibRefCitation DOI="https://doi.org/10.3897/zookeys.986.56276" author="Hrivniak, Ľ" journalOrPublisher="ZooKeys" pageId="0" pageNumber="13" pagination="1 - 53" refId="B10" refString="Hrivniak, Ľ, Sroka, P, Bojkova, J, Godunko, RJ, 2020a. Identification guide to larvae of Caucasian Epeorus (Caucasiron) (Ephemeroptera, Heptageniidae). ZooKeys 986: 1 - 53, DOI: https://doi.org/10.3897/zookeys.986.56276" title="Identification guide to larvae of Caucasian Epeorus (Caucasiron) (Ephemeroptera, Heptageniidae)." url="https://doi.org/10.3897/zookeys.986.56276" volume="986" year="2020 a">Hrivniak et al. 2020a</bibRefCitation>
: figs 44G). Additionally,
<taxonomicName class="Insecta" kingdom="Animalia" lsidName="E. (C.) hyrcanicus" order="Ephemeroptera" pageId="0" pageNumber="13" phylum="Arthropoda" rank="species" species="hyrcanicus" subGenus="C.">E. (C.) hyrcanicus</taxonomicName>
usually bears short postero-lateral projection on tergum X (Fig.
<figureCitation captionStart="Figure 5" captionStartId="F5" captionText="Figure 5. Epeorus (Caucasiron) hyrcanicus, sp. nov., larva A labrum (left half in ventral view, right half in dorsal view) B incisors of left mandible C incisors of right mandible D setae on dorsal surface of femora E surface and posterior margin of abdominal tergum VII F gill I G gill III H gill VII (flattened on slide) I-K gill VII (in natural position from ventral view) L, M abdominal segments VIII-X in lateral view (arrow points on postero-lateral projection) N sternum IX of female." figureDoi="10.3897/zookeys.1068.70717.figure5" httpUri="https://binary.pensoft.net/fig/606352" pageId="0" pageNumber="13">5M</figureCitation>
; arrow), in contrast to
<taxonomicName class="Insecta" kingdom="Animalia" lsidName="E. (C.) shargi" order="Ephemeroptera" pageId="0" pageNumber="13" phylum="Arthropoda" rank="species" species="shargi" subGenus="C.">E. (C.) shargi</taxonomicName>
without such projection (
<bibRefCitation DOI="https://doi.org/10.3897/zookeys.986.56276" author="Hrivniak, Ľ" journalOrPublisher="ZooKeys" pageId="0" pageNumber="13" pagination="1 - 53" refId="B10" refString="Hrivniak, Ľ, Sroka, P, Bojkova, J, Godunko, RJ, 2020a. Identification guide to larvae of Caucasian Epeorus (Caucasiron) (Ephemeroptera, Heptageniidae). ZooKeys 986: 1 - 53, DOI: https://doi.org/10.3897/zookeys.986.56276" title="Identification guide to larvae of Caucasian Epeorus (Caucasiron) (Ephemeroptera, Heptageniidae)." url="https://doi.org/10.3897/zookeys.986.56276" volume="986" year="2020 a">Hrivniak et al. 2020a</bibRefCitation>
: fig. 44J).
</paragraph>
<paragraph pageId="0" pageNumber="13">
Well-defined triangular medial maculae on abdominal terga V-VII are characteristic also for
<taxonomicName class="Insecta" kingdom="Animalia" lsidName="E. (C.) soldani" order="Ephemeroptera" pageId="0" pageNumber="13" phylum="Arthropoda" rank="species" species="soldani" subGenus="C.">E. (C.) soldani</taxonomicName>
(distributed in the western and central Greater Caucasus Mountains).
<taxonomicName authorityName="Hrivniak &amp; Sroka" authorityYear="2021" class="Insecta" family="Heptageniidae" genus="Epeorus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Epeorus (C.) hyrcanicus" order="Ephemeroptera" pageId="0" pageNumber="13" phylum="Arthropoda" rank="species" species="hyrcanicus" subGenus="C.">Epeorus (C.) hyrcanicus</taxonomicName>
sp. nov. can be separated from
<taxonomicName class="Insecta" kingdom="Animalia" lsidName="E. (C.) soldani" order="Ephemeroptera" pageId="0" pageNumber="13" phylum="Arthropoda" rank="species" species="soldani" subGenus="C.">E. (C.) soldani</taxonomicName>
by hair-like setae on abdominal terga (Fig.
<figureCitation captionStart="Figure 5" captionStartId="F5" captionText="Figure 5. Epeorus (Caucasiron) hyrcanicus, sp. nov., larva A labrum (left half in ventral view, right half in dorsal view) B incisors of left mandible C incisors of right mandible D setae on dorsal surface of femora E surface and posterior margin of abdominal tergum VII F gill I G gill III H gill VII (flattened on slide) I-K gill VII (in natural position from ventral view) L, M abdominal segments VIII-X in lateral view (arrow points on postero-lateral projection) N sternum IX of female." figureDoi="10.3897/zookeys.1068.70717.figure5" httpUri="https://binary.pensoft.net/fig/606352" pageId="0" pageNumber="13">5E</figureCitation>
), in contrast to the wide setae in
<taxonomicName class="Insecta" kingdom="Animalia" lsidName="E. (C.) soldani" order="Ephemeroptera" pageId="0" pageNumber="13" phylum="Arthropoda" rank="species" species="soldani" subGenus="C.">E. (C.) soldani</taxonomicName>
(
<bibRefCitation DOI="https://doi.org/10.3897/zookeys.986.56276" author="Hrivniak, Ľ" journalOrPublisher="ZooKeys" pageId="0" pageNumber="13" pagination="1 - 53" refId="B10" refString="Hrivniak, Ľ, Sroka, P, Bojkova, J, Godunko, RJ, 2020a. Identification guide to larvae of Caucasian Epeorus (Caucasiron) (Ephemeroptera, Heptageniidae). ZooKeys 986: 1 - 53, DOI: https://doi.org/10.3897/zookeys.986.56276" title="Identification guide to larvae of Caucasian Epeorus (Caucasiron) (Ephemeroptera, Heptageniidae)." url="https://doi.org/10.3897/zookeys.986.56276" volume="986" year="2020 a">Hrivniak et al. 2020a</bibRefCitation>
: fig. 20E). Additionally, the gill plates VII (in natural position from ventral view) are wider in
<taxonomicName class="Insecta" kingdom="Animalia" lsidName="E. (C.) hyrcanicus" order="Ephemeroptera" pageId="0" pageNumber="13" phylum="Arthropoda" rank="species" species="hyrcanicus" subGenus="C.">E. (C.) hyrcanicus</taxonomicName>
sp. nov., in contrast to
<taxonomicName class="Insecta" kingdom="Animalia" lsidName="E. (C.) soldani" order="Ephemeroptera" pageId="0" pageNumber="13" phylum="Arthropoda" rank="species" species="soldani" subGenus="C.">E. (C.) soldani</taxonomicName>
with narrow shape (
<bibRefCitation DOI="https://doi.org/10.3897/zookeys.986.56276" author="Hrivniak, Ľ" journalOrPublisher="ZooKeys" pageId="0" pageNumber="13" pagination="1 - 53" refId="B10" refString="Hrivniak, Ľ, Sroka, P, Bojkova, J, Godunko, RJ, 2020a. Identification guide to larvae of Caucasian Epeorus (Caucasiron) (Ephemeroptera, Heptageniidae). ZooKeys 986: 1 - 53, DOI: https://doi.org/10.3897/zookeys.986.56276" title="Identification guide to larvae of Caucasian Epeorus (Caucasiron) (Ephemeroptera, Heptageniidae)." url="https://doi.org/10.3897/zookeys.986.56276" volume="986" year="2020 a">Hrivniak et al. 2020a</bibRefCitation>
: fig 19L), and the projection on gill plates III is poorly developed in
<taxonomicName class="Insecta" kingdom="Animalia" lsidName="E. (C.) hyrcanicus" order="Ephemeroptera" pageId="0" pageNumber="13" phylum="Arthropoda" rank="species" species="hyrcanicus" subGenus="C.">E. (C.) hyrcanicus</taxonomicName>
sp. nov., in contrast to
<taxonomicName class="Insecta" kingdom="Animalia" lsidName="E. (C.) soldani" order="Ephemeroptera" pageId="0" pageNumber="13" phylum="Arthropoda" rank="species" species="soldani" subGenus="C.">E. (C.) soldani</taxonomicName>
with well-developed projection (
<bibRefCitation DOI="https://doi.org/10.3897/zookeys.986.56276" author="Hrivniak, Ľ" journalOrPublisher="ZooKeys" pageId="0" pageNumber="13" pagination="1 - 53" refId="B10" refString="Hrivniak, Ľ, Sroka, P, Bojkova, J, Godunko, RJ, 2020a. Identification guide to larvae of Caucasian Epeorus (Caucasiron) (Ephemeroptera, Heptageniidae). ZooKeys 986: 1 - 53, DOI: https://doi.org/10.3897/zookeys.986.56276" title="Identification guide to larvae of Caucasian Epeorus (Caucasiron) (Ephemeroptera, Heptageniidae)." url="https://doi.org/10.3897/zookeys.986.56276" volume="986" year="2020 a">Hrivniak et al. 2020a</bibRefCitation>
: fig. 20G).
</paragraph>
</subSubSection>
</treatment>
</document>

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@ -0,0 +1,211 @@
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<mods:namePart>Potapov, Mikhail</mods:namePart>
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<mods:namePart>Hasegawa, Motohiro</mods:namePart>
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<mods:namePart>Kuznetsova, Natalia</mods:namePart>
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<mods:namePart>Babenko, Anatoly</mods:namePart>
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<treatment ID-GBIF-Taxon="143590396" LSID="urn:lsid:zoobank.org:act:695BD340-E77E-43FF-B561-05E42B1FE6B8" httpUri="http://treatment.plazi.org/id/3CAFED5F15DE9038A3459D10BF8ECB74" lastPageId="14" lastPageNumber="15" pageId="10" pageNumber="11">
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<paragraph pageId="10" pageNumber="11">
<taxonomicName LSID="http://zoobank.org/695BD340-E77E-43FF-B561-05E42B1FE6B8" authority="Potapov &amp; Hasegawa" class="Collembola" family="Isotomidae" genus="Folsomia" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Folsomia imparis" order="Collembola" pageId="10" pageNumber="11" phylum="Arthropoda" rank="species" species="imparis">Folsomia imparis Potapov &amp; Hasegawa</taxonomicName>
<taxonomicNameLabel pageId="10" pageNumber="11">sp. n.</taxonomicNameLabel>
Figs 32, 40-46, 90
</paragraph>
</subSubSection>
<subSubSection pageId="11" pageNumber="12" type="type material">
<paragraph pageId="11" pageNumber="12">
<pageBreakToken pageId="11" pageNumber="12" start="start">Type</pageBreakToken>
material.
</paragraph>
<paragraph pageId="11" pageNumber="12">
Holotype, female, Japan, Hokkaido Island, Shiretoko Peninsula, trail to Mont. Rausu, deciduous forest (
<taxonomicName class="Magnoliopsida" family="Sapindaceae" genus="Acer" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Acer" order="Sapindales" pageId="11" pageNumber="12" phylum="Tracheophyta" rank="genus">Acer</taxonomicName>
,
<taxonomicName class="Magnoliopsida" family="Fagaceae" genus="Quercus" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Quercus" order="Fagales" pageId="11" pageNumber="12" phylum="Tracheophyta" rank="genus">Quercus</taxonomicName>
,
<taxonomicName class="Magnoliopsida" family="Rosaceae" genus="Sorbus" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Sorbus" order="Rosales" pageId="11" pageNumber="12" phylum="Tracheophyta" rank="genus">Sorbus</taxonomicName>
,
<taxonomicName class="Magnoliopsida" family="Magnoliaceae" genus="Magnolia" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Magnolia" order="Magnoliales" pageId="11" pageNumber="12" phylum="Tracheophyta" rank="genus">Magnolia</taxonomicName>
,
<taxonomicName genus="Daphniphillum" lsidName="Daphniphillum macropodium" pageId="11" pageNumber="12" rank="species" species="macropodium">Daphniphillum macropodium</taxonomicName>
), litter, 19.viii.2016, 354 m alt.,
<geoCoordinate direction="north" orientation="latitude" precision="5" value="44.1083">44.1083°N</geoCoordinate>
,
<geoCoordinate direction="east" orientation="longitude" precision="5" value="145.0893">145.0893°E</geoCoordinate>
, coll. M. Potapov and N. Kuznetsova. Paratypes, 12 specimens from the same location; three specimens from Russia, Far East, S Primorye, Ussuriysky Reserve, Komarovskoye Forest District, Turova Nipple, Khripunovsky Pass, mixed forest with
<taxonomicName class="Pinopsida" family="Pinaceae" genus="Pinus" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Pinus koraiensis" order="Pinales" pageId="11" pageNumber="12" phylum="Tracheophyta" rank="species" species="koraiensis">Pinus koraiensis</taxonomicName>
on slope, rotten wood, 22.vii.2016, coll. M. Potapov and N. Kuznetsova; four specimens from same region, but Shkotovsky District, trail to Mont. Khualaza, deciduous forest, rotten wood and litter, 21.vii.2016, coll. M. Potapov and N. Kuznetsova. The material from Japan and Russia is deposited in TPM and MSPU, respectively.
</paragraph>
</subSubSection>
<subSubSection lastPageId="12" lastPageNumber="13" pageId="11" pageNumber="12" type="materials_examined">
<paragraph pageId="11" pageNumber="12">Other material.</paragraph>
<paragraph pageId="11" pageNumber="12">
Far East of Russia, Primorsky Krai, Bikin River near confluence to Amba River, mixed forest litter, 29.ix.2009, coll. O. Smirnova; Ussuriyski District, Ussuriyski Reserve, decaying wood, 5.x.2004, coll. M. Potapov, L. Deharveng, R. Pomorski, and A. Bedos; Shkotovsky District, trail to Khualaza Mount, rotten wood, 21.vii.2016, coll. M. Potapov and N. Kuznetsova; Partizansky District, vicinities of Ekaterinovka, Chondalaz (= Lazovy) Range, oak litter, 26.ix.2004, coll. M. Potapov, L. Deharveng, R. Pomorski, and A. Bedos; Khasansky District, vicinities of Barabash, oak litter, 200-400 m alt., 27.ix.2004, coll. M. Potapov; Sakhalin, Kholmsky District, South Kamysh Ridge, Spamberg Mt., moss in mixed and coniferous forests, 14-15.vi.2017, coll. A. Kuprin; Korsakovsky District, vicinities of Korsakov, forest litter, 16.vi.2017, coll. A. Kuprin; Khabarovsky Krai, suburbs of Khabarovsk, Voronez highlands, leaf litter near river bank. 26.iv.2010, coll. M.Potapov; Verkhnebureinsky District, western part of Badjal Range, upper flow of Irungda River (tributory of
<normalizedToken originalValue="Amgun">Amgun'</normalizedToken>
River), 1900 m alt., subalpine litter and moss, 23.vi.2014, coll. A. Brinev.
</paragraph>
<paragraph pageId="11" pageNumber="12">North Korea. Hamgyong-namdo Province (= South Hamgyong), SW from Tanchon, 30.v.1987, coll. A. Szeptycki; Yanggang-do Province, Rimjong-su Waterfall, litter, 7.vii.1985, coll. A. Szeptycki.</paragraph>
<paragraph pageId="12" pageNumber="13">
<pageBreakToken pageId="12" pageNumber="13" start="start">Material</pageBreakToken>
of
<taxonomicName lsidName="F. imparis" pageId="12" pageNumber="13" rank="species" species="imparis">F. sp. aff. imparis</taxonomicName>
. Khabarovsky Krai (western part), Bureyskoye Reservoir, Nizny
<normalizedToken originalValue="Melgin">Mel'gin</normalizedToken>
Bay,
<geoCoordinate direction="north" orientation="latitude" precision="5" value="50.5539">50.5539°N</geoCoordinate>
,
<geoCoordinate direction="east" orientation="longitude" precision="5" value="131.397">131.3970°E</geoCoordinate>
, 12.ix.2009, coll. M. Babykina; Amurskaya Region, ~3 km N Zeya, oak litter, 22.viii.2014, coll. M. Potapov and N. Kuznetsova.
</paragraph>
</subSubSection>
<subSubSection pageId="13" pageNumber="14" type="diagnosis">
<paragraph pageId="13" pageNumber="14">
<pageBreakToken pageId="13" pageNumber="14" start="start">Diagnosis</pageBreakToken>
.
</paragraph>
<paragraph pageId="13" pageNumber="14">
Blind. Dorsal macrosetae (Md) present on both Th.II and Th.III. Sensillary formula complete (43/22235; 10/100). Medial s-setae on body tergites long, set in p-row. Ventral setae on Th.III present. Manubrium on anterior side with 3
<normalizedToken originalValue="5+3">-5+3-</normalizedToken>
5 paired and 2-3 unpaired axial setae, dens with 23-27 anterior setae. Mucro bidentate.
</paragraph>
</subSubSection>
<subSubSection pageId="13" pageNumber="14" type="description">
<paragraph pageId="13" pageNumber="14">Description.</paragraph>
<paragraph pageId="13" pageNumber="14">
Body size from 0.9 to 1.4 mm. Body without pigmentation, its shape as in
<taxonomicName lsidName="F. amurica" pageId="13" pageNumber="14" rank="species" species="amurica">F. amurica</taxonomicName>
sp. n. Cuticle with fine hexagonal primary granulation (
<normalizedToken originalValue="“smooth”">&quot;smooth&quot;</normalizedToken>
). Ocelli absent. PAO slender, constricted, 1.4-1.7 as long as width of Ant.I and 1.7-1.9 as long as inner unguis length. Labium with five usual papillae (
<normalizedToken originalValue="AE">A-E</normalizedToken>
), guard setae e7 absent, three proximal and four basomedian setae. Ventral side of a head with 4+4 postlabial setae. Ant.I with 15-17 common setae, two ventral s-setae (s) and three bms, one long (inseparable from common setae) and two short, Ant.II with three bms and one latero-distal s, Ant.III with one bms and with five distal s (including one lateral), without additional s-setae (Fig. 46). Several tubular s-setae on Ant.IV. Organite stick-like, small.
</paragraph>
<paragraph pageId="13" pageNumber="14">
Common setae long and sparse. Sensillary formula as 43/22235 (s), 10/100 (ms). Tergal s-setae thin and long. Medial s-setae on Th.
<normalizedToken originalValue="IIAbd">II-Abd</normalizedToken>
.III situated in posterior position, on Abd.
<normalizedToken originalValue="IIII">I-III</normalizedToken>
between Md and Mdl. Abd.V with five s-setae arranged as four ones (as, accp1, accp2, accp3), long and slender, and one latero-ventral, short (
<normalizedToken originalValue="4+1">'4+1'</normalizedToken>
pattern) (Figs 32, 40), accp3 s-setae almost as long as accp2 (accp2: accp3 = 1.0-1.2). p1-setae on Abd.V short (see also the Discussion and Table 2). Macrosetae smooth and long, 2,2/3,3,3 in number, medial ones on Abd.V 1.5-2.0 times shorter than dens and 4.8-7.7 times longer than mucro. Metathorax with 3+3 (rarely, 4+3) ventral setae, as in
<taxonomicName lsidName="F. amurica" pageId="13" pageNumber="14" rank="species" species="amurica">F. amurica</taxonomicName>
sp. n.
</paragraph>
<paragraph pageId="13" pageNumber="14">
<taxonomicName genus="Unguis" higherTaxonomySource="GBIF" kingdom="Animalia" lsidName="Unguis" pageId="13" pageNumber="14" rank="genus">Unguis</taxonomicName>
of normal shape, without lateral and inner teeth. Empodial appendage as long as 0.4-0.5 unguis. Tibiotarsi with 26-28 setae on legs
<normalizedToken originalValue="III">I-II</normalizedToken>
and 33-37 on leg III. Upper and lower subcoxae of legs
<normalizedToken originalValue="IIII">I-III</normalizedToken>
with 0,1/3,~7/5
<normalizedToken originalValue="6,7">-6,7-</normalizedToken>
8 setae, respectively. Coxae of leg I with three front setae. Tibiotarsal tenent setae pointed, some setae on distal half of tibiotarsi thickened. Ventral tube with 4+4 latero-distal and seven posterior setae (four in distal transversal row and three in more proximal position), anteriorly without setae. Tenaculum with 4+4 teeth and a seta. Anterior furcal subcoxae with 10-12, posterior one with five setae. Anterior side of manubrium with 3
<normalizedToken originalValue="5+3">-5+3-</normalizedToken>
5 pair setae, and 2-3 (rarely one) axial unpaired setae (Figs 43-45). Posterior side of manubrium with 4+4 latero-basal, two apical setae (ap), 3+3 setae in distal transversal row (M1, ml1, L1), two pairs of lateral setae, and 3
<normalizedToken originalValue="4+3">-4+3-</normalizedToken>
4 in central part (Fig. 41). Dens with 23-27 anterior setae (Figs 41, 42). Posterior side of dens crenulated and with six normal setae (four basal and two at the middle) and one rudimentary seta at the base of mucro. Mucro bidentate. Ratio of manubrium: dens: mucro = 5.2-6.6: 9.4-11.7: 1. Males present.
</paragraph>
<caption pageId="13" pageNumber="14">
<paragraph pageId="13" pageNumber="14">
Figures 40-49.
<taxonomicName lsidName="F. imparis" pageId="13" pageNumber="14" rank="species" species="imparis">F. imparis</taxonomicName>
sp. n. (40-46) and
<taxonomicName lsidName="F. macrochaetosa" pageId="13" pageNumber="14" rank="species" species="macrochaetosa">F. macrochaetosa</taxonomicName>
(47-49) 46 End of abdomen, lateral view 41 Furca, lateral view (unpaired setae marked with grey) 42 Anterior side of dens 43-45 Chaetotaxy of anterior side of furca, variations 46Ant.III 47 End of abdomen 48 Furca, anterior view 49 Dens, posterior view. Notation of setae of posterior and lateral sides of manubrium: ap, M1, ml1, L1, l1, l2;
<normalizedToken originalValue="LBlatero-basal">LB-latero-basal</normalizedToken>
setae,
<normalizedToken originalValue="Csetae">C-setae</normalizedToken>
of central area.
</paragraph>
</caption>
</subSubSection>
<subSubSection lastPageId="14" lastPageNumber="15" pageId="13" pageNumber="14" type="remarks">
<paragraph pageId="13" pageNumber="14">Remarks.</paragraph>
<paragraph pageId="13" pageNumber="14">
<taxonomicName class="Collembola" family="Isotomidae" genus="Folsomia" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Folsomia imparis" order="Entomobryomorpha" pageId="13" pageNumber="14" phylum="Arthropoda" rank="species" species="imparis">Folsomia imparis</taxonomicName>
sp. n. is well defined by the presence of unpaired setae on anterior side of manubrium shared only with
<taxonomicName lsidName="F. hidakana" pageId="13" pageNumber="14" rank="species" species="hidakana">F. hidakana</taxonomicName>
(belongs to another subgroup) and
<taxonomicName lsidName="F. setifrontalis" pageId="13" pageNumber="14" rank="species" species="setifrontalis">F. setifrontalis</taxonomicName>
(has anterior setae on ventral tube). Main differences from the other species of the subgroup '
<taxonomicName lsidName="macrochaetosa" pageId="13" pageNumber="14" rank="species" species="macrochaetosa">macrochaetosa</taxonomicName>
' are shown in Table 2.
</paragraph>
<paragraph pageId="13" pageNumber="14">A typical form, called preliminary as f. 1 (Fig. 32) has short p1-setae on Abd.I. In Japan and Primorsky Krai we often recorded specimens with long p1, as long as a1 (f. 2 in Table 2) which was not mixed with f. 1 by samples even if reported in the same areas.</paragraph>
<paragraph pageId="14" pageNumber="15">
<pageBreakToken pageId="14" pageNumber="15" start="start">Additionally</pageBreakToken>
, a closely related form was also recorded in two more eastern localities (see the Material part,
<taxonomicName lsidName="F. imparis" pageId="14" pageNumber="15" rank="species" species="imparis">F. sp. aff. imparis</taxonomicName>
). It differs from all species listed in Table 2 having much more setae on body tergites: particularly, posterior row of Abd.IV has seven (vs. 3-4) p-setae between medial s-setae. The final decision on the status of these polychaetotic specimens was not made by us and calls for more information on their ecology and distribution.
</paragraph>
</subSubSection>
<subSubSection pageId="14" pageNumber="15" type="distribution">
<paragraph pageId="14" pageNumber="15">Distribution and ecology.</paragraph>
<paragraph pageId="14" pageNumber="15">
The species is widely distributed in Far East of Russia, Korea and in the most northern part of Japan (Fig. 90). We suppose some records of
<taxonomicName lsidName="F. fimetaria" pageId="14" pageNumber="15" rank="species" species="fimetaria">F. fimetaria</taxonomicName>
in Hokkaido refer to this species.
<taxonomicName lsidName="F. imparis" pageId="14" pageNumber="15" rank="species" species="imparis">F. imparis</taxonomicName>
sp. n. is rather common in different forest litter, often in rotten wood.
</paragraph>
</subSubSection>
<subSubSection pageId="14" pageNumber="15" type="etymology">
<paragraph pageId="14" pageNumber="15">Derivatio nominis.</paragraph>
<paragraph pageId="14" pageNumber="15">The species has unpaired setae on anterior side of manubrium.</paragraph>
</subSubSection>
</treatment>
</document>