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<document ID-DOI="http://dx.doi.org/10.3897/zookeys.872.36098" ID-GBIF-Dataset="73163d97-8dfd-4d7e-9133-178017bbae11" ID-PMC="PMC6718370" ID-Pensoft-Pub="1313-2970-872-101" ID-Pensoft-UUID="67FCB42D84A45C26895B459BCDDC2BD9" ID-PubMed="31528118" ID-ZooBank="74312D7A5950447EB777CE828E53575A" ModsDocID="1313-2970-872-101" checkinTime="1566882705632" checkinUser="pensoft" docAuthor="Sroka, Pavel, Bojkova, Jindriska, Godunko, Roman J., Soldan, Tomas, Namin, Javid Imanpour, Nejat, Farshad, Abdoli, Ashgar &amp; Staniczek, Arnold H." docDate="2019" docId="C9A78F598F8A5837AC8174AC0A9040E3" docLanguage="en" docName="ZooKeys 872: 101-126" docOrigin="ZooKeys 872" docSource="http://dx.doi.org/10.3897/zookeys.872.36098" docTitle="Oligoneuriopsis villosus Bojkova, Godunko, &amp; Staniczek, sp. nov." docType="treatment" docUuid="3980D827-DA07-40CE-BE30-F997FE5EDBCC" docUuidSource="ZooBank" docVersion="5" id="67FCB42D84A45C26895B459BCDDC2BD9" lastPageNumber="101" masterDocId="67FCB42D84A45C26895B459BCDDC2BD9" masterDocTitle="New Oligoneuriidae (Insecta, Ephemeroptera) from Iran" masterLastPageNumber="126" masterPageNumber="101" pageNumber="101" updateTime="1668167734290" updateUser="ExternalLinkService">
<mods:mods xmlns:mods="http://www.loc.gov/mods/v3">
<mods:titleInfo>
<mods:title>New Oligoneuriidae (Insecta, Ephemeroptera) from Iran</mods:title>
</mods:titleInfo>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Sroka, Pavel</mods:namePart>
</mods:name>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Bojkova, Jindriska</mods:namePart>
</mods:name>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Godunko, Roman J.</mods:namePart>
</mods:name>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Soldan, Tomas</mods:namePart>
</mods:name>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Namin, Javid Imanpour</mods:namePart>
</mods:name>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Nejat, Farshad</mods:namePart>
</mods:name>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Abdoli, Ashgar</mods:namePart>
</mods:name>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Staniczek, Arnold H.</mods:namePart>
</mods:name>
<mods:typeOfResource>text</mods:typeOfResource>
<mods:relatedItem type="host">
<mods:titleInfo>
<mods:title>ZooKeys</mods:title>
</mods:titleInfo>
<mods:part>
<mods:date>2019</mods:date>
<mods:detail type="volume">
<mods:number>872</mods:number>
</mods:detail>
<mods:extent unit="page">
<mods:start>101</mods:start>
<mods:end>126</mods:end>
</mods:extent>
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<mods:location>
<mods:url>http://dx.doi.org/10.3897/zookeys.872.36098</mods:url>
</mods:location>
<mods:classification>journal article</mods:classification>
<mods:identifier type="DOI">http://dx.doi.org/10.3897/zookeys.872.36098</mods:identifier>
<mods:identifier type="Pensoft-Pub">1313-2970-872-101</mods:identifier>
<mods:identifier type="ZooBank">74312D7A5950447EB777CE828E53575A</mods:identifier>
</mods:mods>
<treatment ID-GBIF-Taxon="159265418" LSID="urn:lsid:zoobank.org:act:3980D827-DA07-40CE-BE30-F997FE5EDBCC" httpUri="http://treatment.plazi.org/id/C9A78F598F8A5837AC8174AC0A9040E3" lastPageNumber="101" pageId="0" pageNumber="101">
<subSubSection pageId="0" pageNumber="101" type="nomenclature">
<paragraph pageId="0" pageNumber="101">
<taxonomicName LSID="C9A78F598F8A5837AC8174AC0A9040E3" authority="Bojkova, Godunko, &amp; Staniczek" class="Insecta" family="Oligoneuriidae" genus="Oligoneuriopsis" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Oligoneuriopsis villosus" order="Ephemeroptera" pageId="0" pageNumber="101" phylum="Arthropoda" rank="species" species="villosus">
Oligoneuriopsis villosus
<normalizedToken originalValue="Bojková">Bojkova</normalizedToken>
, Godunko, &amp; Staniczek
</taxonomicName>
<taxonomicNameLabel pageId="0" pageNumber="101">sp. nov.</taxonomicNameLabel>
<figureCitation captionStart="Figure 5" captionStartId="F5" captionText="Figure 5. Oligoneuriopsis villosus sp. nov., larvae A habitus in dorsal view B habitus in ventral view C head of male in lateral view D head of male in dorsal view E head of female in lateral view F head of female in dorsal view G detail of setae on distal part of labial palp segment I in dorsal view H-I setae on paraglossae in ventral view J detail of basal portion of paraglossae under SEM in ventral view. Scale bars: 5 mm (A, B); 1 mm (C-F); 0.2 mm (G-J). Same scale bar for C and D. Same scale bar for E and F." figureDoi="10.3897/zookeys.872.36098.figure5" httpUri="https://binary.pensoft.net/fig/328176" pageId="0" pageNumber="101">Figures 5</figureCitation>
,
<figureCitation captionStart="Figure 6" captionStartId="F6" captionText="Figure 6. Oligoneuriopsis villosus sp. nov., larvae, legs A hind leg under SEM in dorsal view B micro sculpture of leg cuticula under SEM in dorsal view C forefemur in dorsal view D middle femur in dorsal view E hind femur in dorsal view F apical part of foretibia with subapical setae in ventral view G shape of foretibia with subapical setae in dorsal view H middle tibia and tarsus in dorsal view I hind tibia and tarsus in dorsal view. Scale bars: 1 mm (A, C-E); 0.02 mm (B); 0.5 mm (F-I). Same scale bar for C, D and E. Same scale bar for F and G. Same scale bar for H and I." figureDoi="10.3897/zookeys.872.36098.figure6" httpUri="https://binary.pensoft.net/fig/328177" pageId="0" pageNumber="101">6</figureCitation>
,
<figureCitation captionStart="Figure 7" captionStartId="F7" captionText="Figure 7. Oligoneuriopsis villosus sp. nov., larvae, abdomen and gills A abdomen outline, male B abdomen outline, female C proximal portion of abdomen under SEM in lateral view D gill IV under SEM in dorsal view E gill IV under SEM in ventral view F gill plate I in dorsal view G gill plate I in ventral view H gill plate IV in dorsal view I gill plate IV in ventral view J gill plate VII in dorsal view K gill plate VII in ventral view. Scale bars: 1 mm (A, B); 0.5 mm (C); 0.2 mm (D-K). Same scale bar for F-K." figureDoi="10.3897/zookeys.872.36098.figure7" httpUri="https://binary.pensoft.net/fig/328178" pageId="0" pageNumber="101">7</figureCitation>
,
<figureCitation captionStart="Figure 8" captionStartId="F8" captionText="Figure 8. Oligoneuriopsis villosus sp. nov., larvae and eggs A general view of basal part of abdomen under SEM in ventral view B detail of setae on sternum IV C detail of setae on sternum IV under SEM D detail of setae on surface of terga E egg, general view F detail of egg chorionic structure. Scale bars: 1 mm (A); 0.1 mm (B, D); 0.5 mm (C); 0.05 mm (E); 0.01 mm (F)." figureDoi="10.3897/zookeys.872.36098.figure8" httpUri="https://binary.pensoft.net/fig/328179" pageId="0" pageNumber="101">8</figureCitation>
, Table 2
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="101" type="etymology">
<paragraph pageId="0" pageNumber="101">Etymology.</paragraph>
<paragraph pageId="0" pageNumber="101">The name of the new species originates from Latin, meaning hairy, and refers to the dense setation along outer margins of femora and tibiae.</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="101" type="type material">
<paragraph pageId="0" pageNumber="101">Type material.</paragraph>
<paragraph pageId="0" pageNumber="101">
<emphasis bold="true" italics="true" pageId="0" pageNumber="101">Holotype</emphasis>
: Male larva, IRAN, Khuzestan Province, right tributary of Marun Rud River, W of Bagh Malek,
<geoCoordinate degrees="31" direction="north" minutes="31.23" orientation="latitude" precision="9" value="31.5205">31°31.23'N</geoCoordinate>
,
<geoCoordinate degrees="49" direction="east" minutes="49.31" orientation="longitude" precision="9" value="49.821835">49°49.31'E</geoCoordinate>
(locality no. 93), 585 m a.s.l., 29.04.2017, leg.
<normalizedToken originalValue="Bojková">Bojkova</normalizedToken>
J.,
<normalizedToken originalValue="Soldán">Soldan</normalizedToken>
T. &amp; Imanpour Namin J. The holotype is deposited in IECA.
</paragraph>
<paragraph pageId="0" pageNumber="101">
<emphasis bold="true" italics="true" pageId="0" pageNumber="101">Paratypes</emphasis>
: 64 larvae, same locality as holotype, deposited in IECA. Eight larvae, IRAN, Khuzestan Province, Balarud River (right tributary of Dez River), N of Andimeshk,
<geoCoordinate degrees="32" direction="north" minutes="35.29" orientation="latitude" precision="9" value="32.588165">32°35.29'N</geoCoordinate>
,
<geoCoordinate degrees="48" direction="east" minutes="17.32" orientation="longitude" precision="9" value="48.288666">48°17.32'E</geoCoordinate>
(locality no. 80), 230 m a.s.l., 26.04.2017, leg.
<normalizedToken originalValue="Bojková">Bojkova</normalizedToken>
J.,
<normalizedToken originalValue="Soldán">Soldan</normalizedToken>
T., &amp; Imanpour Namin J., deposited in IECA.
</paragraph>
<paragraph pageId="0" pageNumber="101">
70 larvae, IRAN, Hormozgan Province, Shamil River, Shamil,
<geoCoordinate degrees="27" direction="north" minutes="29.66" orientation="latitude" precision="9" value="27.494333">27°29.66'N</geoCoordinate>
,
<geoCoordinate degrees="56" direction="east" minutes="52.25" orientation="longitude" precision="9" value="56.870834">56°52.25'E</geoCoordinate>
, 63 m a.s.l., 30.04.2017, leg. Staniczek A.H., Godunko R.J., Pallmann M., &amp; Nejat F. (20 larvae deposited in IECA, 20 larvae deposited in SNHM, 20 larvae deposited in SMNS under accessory numbers SMNS_EPH_7555_B_1 and SMNS_EPH_7555_B_2, including DNA voucher specimens with inventory numbers specified in Table 1, and 10 larvae deposited in MMTT_DOE).
</paragraph>
<paragraph pageId="0" pageNumber="101">
110 larvae, IRAN, Hormozgan Province, Roudan River, 5 km N of Dehbarez,
<geoCoordinate degrees="27" direction="north" minutes="28.46" orientation="latitude" precision="9" value="27.474333">27°28.46'N</geoCoordinate>
,
<geoCoordinate degrees="57" direction="east" minutes="15.28" orientation="longitude" precision="9" value="57.254665">57°15.28'E</geoCoordinate>
, 217 m a.s.l., 30.04.2017, leg. Staniczek A.H., Godunko R.J., Pallmann M., &amp; Nejat F. (20 larvae deposited in IECA, 70 larvae deposited in SNHM, and 20 larvae deposited in SMNS under inventory numbers SMNS_EPH_7550_B_1 and SMNS_EPH_7550_V_1-5, including DNA voucher specimens with inventory numbers specified in Table 1).
</paragraph>
<caption doi="10.3897/zookeys.872.36098.figure5" httpUri="https://binary.pensoft.net/fig/328176" pageId="0" pageNumber="101" start="Figure 5" startId="F5">
<paragraph pageId="0" pageNumber="101">
Figure 5.
<taxonomicName class="Insecta" family="Oligoneuriidae" genus="Oligoneuriopsis" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Oligoneuriopsis villosus" order="Ephemeroptera" pageId="0" pageNumber="101" phylum="Arthropoda" rank="species" species="villosus">
<emphasis italics="true" pageId="0" pageNumber="101">Oligoneuriopsis villosus</emphasis>
</taxonomicName>
sp. nov., larvae
<emphasis bold="true" pageId="0" pageNumber="101">A</emphasis>
habitus in dorsal view
<emphasis bold="true" pageId="0" pageNumber="101">B</emphasis>
habitus in ventral view
<emphasis bold="true" pageId="0" pageNumber="101">C</emphasis>
head of male in lateral view
<emphasis bold="true" pageId="0" pageNumber="101">D</emphasis>
head of male in dorsal view
<emphasis bold="true" pageId="0" pageNumber="101">E</emphasis>
head of female in lateral view
<emphasis bold="true" pageId="0" pageNumber="101">F</emphasis>
head of female in dorsal view
<emphasis bold="true" pageId="0" pageNumber="101">G</emphasis>
detail of setae on distal part of labial palp segment I in dorsal view
<emphasis bold="true" pageId="0" pageNumber="101">
<normalizedToken originalValue="HI">H-I</normalizedToken>
</emphasis>
setae on paraglossae in ventral view
<emphasis bold="true" pageId="0" pageNumber="101">J</emphasis>
detail of basal portion of paraglossae under SEM in ventral view. Scale bars: 5 mm (
<emphasis bold="true" pageId="0" pageNumber="101">A, B</emphasis>
); 1 mm (
<emphasis bold="true" pageId="0" pageNumber="101">
<normalizedToken originalValue="CF">C-F</normalizedToken>
</emphasis>
); 0.2 mm (
<emphasis bold="true" pageId="0" pageNumber="101">
<normalizedToken originalValue="GJ">G-J</normalizedToken>
</emphasis>
). Same scale bar for
<emphasis bold="true" pageId="0" pageNumber="101">C</emphasis>
and
<emphasis bold="true" pageId="0" pageNumber="101">D</emphasis>
. Same scale bar for
<emphasis bold="true" pageId="0" pageNumber="101">E</emphasis>
and
<emphasis bold="true" pageId="0" pageNumber="101">F</emphasis>
.
</paragraph>
</caption>
<caption doi="10.3897/zookeys.872.36098.figure6" httpUri="https://binary.pensoft.net/fig/328177" pageId="0" pageNumber="101" start="Figure 6" startId="F6">
<paragraph pageId="0" pageNumber="101">
Figure 6.
<taxonomicName class="Insecta" family="Oligoneuriidae" genus="Oligoneuriopsis" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Oligoneuriopsis villosus" order="Ephemeroptera" pageId="0" pageNumber="101" phylum="Arthropoda" rank="species" species="villosus">
<emphasis italics="true" pageId="0" pageNumber="101">Oligoneuriopsis villosus</emphasis>
</taxonomicName>
sp. nov., larvae, legs
<emphasis bold="true" pageId="0" pageNumber="101">A</emphasis>
hind leg under SEM in dorsal view
<emphasis bold="true" pageId="0" pageNumber="101">B</emphasis>
micro sculpture of leg cuticula under SEM in dorsal view
<emphasis bold="true" pageId="0" pageNumber="101">C</emphasis>
forefemur in dorsal view
<emphasis bold="true" pageId="0" pageNumber="101">D</emphasis>
middle femur in dorsal view
<emphasis bold="true" pageId="0" pageNumber="101">E</emphasis>
hind femur in dorsal view
<emphasis bold="true" pageId="0" pageNumber="101">F</emphasis>
apical part of foretibia with subapical setae in ventral view
<emphasis bold="true" pageId="0" pageNumber="101">G</emphasis>
shape of foretibia with subapical setae in dorsal view
<emphasis bold="true" pageId="0" pageNumber="101">H</emphasis>
middle tibia and tarsus in dorsal view
<emphasis bold="true" pageId="0" pageNumber="101">I</emphasis>
hind tibia and tarsus in dorsal view. Scale bars: 1 mm (
<emphasis bold="true" pageId="0" pageNumber="101">
A,
<normalizedToken originalValue="CE">C-E</normalizedToken>
</emphasis>
); 0.02 mm (
<emphasis bold="true" pageId="0" pageNumber="101">B</emphasis>
); 0.5 mm (
<emphasis bold="true" pageId="0" pageNumber="101">
<normalizedToken originalValue="FI">F-I</normalizedToken>
</emphasis>
). Same scale bar for
<emphasis bold="true" pageId="0" pageNumber="101">C, D</emphasis>
and
<emphasis bold="true" pageId="0" pageNumber="101">E</emphasis>
. Same scale bar for
<emphasis bold="true" pageId="0" pageNumber="101">F</emphasis>
and
<emphasis bold="true" pageId="0" pageNumber="101">G</emphasis>
. Same scale bar for
<emphasis bold="true" pageId="0" pageNumber="101">H</emphasis>
and
<emphasis bold="true" pageId="0" pageNumber="101">I</emphasis>
.
</paragraph>
</caption>
<caption doi="10.3897/zookeys.872.36098.figure7" httpUri="https://binary.pensoft.net/fig/328178" pageId="0" pageNumber="101" start="Figure 7" startId="F7">
<paragraph pageId="0" pageNumber="101">
Figure 7.
<taxonomicName class="Insecta" family="Oligoneuriidae" genus="Oligoneuriopsis" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Oligoneuriopsis villosus" order="Ephemeroptera" pageId="0" pageNumber="101" phylum="Arthropoda" rank="species" species="villosus">
<emphasis italics="true" pageId="0" pageNumber="101">Oligoneuriopsis villosus</emphasis>
</taxonomicName>
sp. nov., larvae, abdomen and gills
<emphasis bold="true" pageId="0" pageNumber="101">A</emphasis>
abdomen outline, male
<emphasis bold="true" pageId="0" pageNumber="101">B</emphasis>
abdomen outline, female
<emphasis bold="true" pageId="0" pageNumber="101">C</emphasis>
proximal portion of abdomen under SEM in lateral view
<emphasis bold="true" pageId="0" pageNumber="101">D</emphasis>
gill IV under SEM in dorsal view
<emphasis bold="true" pageId="0" pageNumber="101">E</emphasis>
gill IV under SEM in ventral view
<emphasis bold="true" pageId="0" pageNumber="101">F</emphasis>
gill plate I in dorsal view
<emphasis bold="true" pageId="0" pageNumber="101">G</emphasis>
gill plate I in ventral view
<emphasis bold="true" pageId="0" pageNumber="101">H</emphasis>
gill plate IV in dorsal view
<emphasis bold="true" pageId="0" pageNumber="101">I</emphasis>
gill plate IV in ventral view
<emphasis bold="true" pageId="0" pageNumber="101">J</emphasis>
gill plate VII in dorsal view
<emphasis bold="true" pageId="0" pageNumber="101">K</emphasis>
gill plate VII in ventral view. Scale bars: 1 mm (
<emphasis bold="true" pageId="0" pageNumber="101">A, B</emphasis>
); 0.5 mm (
<emphasis bold="true" pageId="0" pageNumber="101">C</emphasis>
); 0.2 mm (
<emphasis bold="true" pageId="0" pageNumber="101">
<normalizedToken originalValue="DK">D-K</normalizedToken>
</emphasis>
). Same scale bar for
<emphasis bold="true" pageId="0" pageNumber="101">
<normalizedToken originalValue="FK">F-K</normalizedToken>
</emphasis>
.
</paragraph>
</caption>
<caption doi="10.3897/zookeys.872.36098.figure8" httpUri="https://binary.pensoft.net/fig/328179" pageId="0" pageNumber="101" start="Figure 8" startId="F8">
<paragraph pageId="0" pageNumber="101">
Figure 8.
<taxonomicName class="Insecta" family="Oligoneuriidae" genus="Oligoneuriopsis" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Oligoneuriopsis villosus" order="Ephemeroptera" pageId="0" pageNumber="101" phylum="Arthropoda" rank="species" species="villosus">
<emphasis italics="true" pageId="0" pageNumber="101">Oligoneuriopsis villosus</emphasis>
</taxonomicName>
sp. nov., larvae and eggs
<emphasis bold="true" pageId="0" pageNumber="101">A</emphasis>
general view of basal part of abdomen under SEM in ventral view
<emphasis bold="true" pageId="0" pageNumber="101">B</emphasis>
detail of setae on sternum IV
<emphasis bold="true" pageId="0" pageNumber="101">C</emphasis>
detail of setae on sternum IV under SEM
<emphasis bold="true" pageId="0" pageNumber="101">D</emphasis>
detail of setae on surface of terga
<emphasis bold="true" pageId="0" pageNumber="101">E</emphasis>
egg, general view
<emphasis bold="true" pageId="0" pageNumber="101">F</emphasis>
detail of egg chorionic structure. Scale bars: 1 mm (
<emphasis bold="true" pageId="0" pageNumber="101">A</emphasis>
); 0.1 mm (
<emphasis bold="true" pageId="0" pageNumber="101">B, D</emphasis>
); 0.5 mm (
<emphasis bold="true" pageId="0" pageNumber="101">C</emphasis>
); 0.05 mm (
<emphasis bold="true" pageId="0" pageNumber="101">E</emphasis>
); 0.01 mm (
<emphasis bold="true" pageId="0" pageNumber="101">F</emphasis>
).
</paragraph>
</caption>
</subSubSection>
<subSubSection pageId="0" pageNumber="101" type="localities and biology">
<paragraph pageId="0" pageNumber="101">Localities and biology.</paragraph>
<paragraph pageId="0" pageNumber="101">
Larvae were collected in two rivers at the southern slopes of Zagros Mountains (right tributary of Marun Rud River and Balarud River) and two other localities (Shamil River and Roudan River) in Hormozgan Province at the western edge of Makran, a semi-desert coastal strip, which stretches along the Gulf of Oman (
<figureCitation captionStart="Figure 9" captionStartId="F9" captionText="Figure 9. Map of Iran with localities of Oligoneuriella tuberculata sp. nov. (star) and Oligoneuriopsis villosus sp. nov. (circles)." figureDoi="10.3897/zookeys.872.36098.figure9" httpUri="https://binary.pensoft.net/fig/328180" pageId="0" pageNumber="101">Fig. 9</figureCitation>
). Extensive land use is present in most parts of the drainage area, mainly for agricultural and residential matters in all localities. In Marun Rud River basin, the agricultural use is more intense than in other localities and there are several urban settlements in the drainage area of this river.
</paragraph>
<paragraph pageId="0" pageNumber="101">
The species was generally found in shallow river sections (up to 50 cm) with a riverbed composed of coarse and fine gravel, sometimes in combination with cobbles. The localities with the occurrence of this species represented rather small rivers; however, the stream width varied from 4 to 40 m, depending on the river discharge rates at the end of March (
<figureCitation captionStart="Figure 10" captionStartId="F10" captionText="Figure 10. Photos of the localities with occurrence of Oligoneuriella tuberculata sp. nov. and Oligoneuriopsis villosus sp. nov. A Marbor River near Kata (type locality of O. tuberculata sp. nov.) B right tributary of Marun Rud River near Bagh Malek (type locality of O. villosus sp. nov.) C Balarud River near Andimeshk (locality of O. villosus sp. nov.) D Shamil River near Shamil (locality of O. villosus sp. nov.)." figureDoi="10.3897/zookeys.872.36098.figure10" httpUri="https://binary.pensoft.net/fig/328181" pageId="0" pageNumber="101">
Fig. 10
<normalizedToken originalValue="BD">B-D</normalizedToken>
</figureCitation>
).
</paragraph>
<caption doi="10.3897/zookeys.872.36098.figure9" httpUri="https://binary.pensoft.net/fig/328180" pageId="0" pageNumber="101" start="Figure 9" startId="F9">
<paragraph pageId="0" pageNumber="101">
Figure 9. Map of Iran with localities of
<taxonomicName class="Insecta" family="Oligoneuriidae" genus="Oligoneuriella" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Oligoneuriella tuberculata" order="Ephemeroptera" pageId="0" pageNumber="101" phylum="Arthropoda" rank="species" species="tuberculata">
<emphasis italics="true" pageId="0" pageNumber="101">Oligoneuriella tuberculata</emphasis>
</taxonomicName>
sp. nov. (star) and
<taxonomicName class="Insecta" family="Oligoneuriidae" genus="Oligoneuriopsis" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Oligoneuriopsis villosus" order="Ephemeroptera" pageId="0" pageNumber="101" phylum="Arthropoda" rank="species" species="villosus">
<emphasis italics="true" pageId="0" pageNumber="101">Oligoneuriopsis villosus</emphasis>
</taxonomicName>
sp. nov. (circles).
</paragraph>
</caption>
<caption doi="10.3897/zookeys.872.36098.figure10" httpUri="https://binary.pensoft.net/fig/328181" pageId="0" pageNumber="101" start="Figure 10" startId="F10">
<paragraph pageId="0" pageNumber="101">
Figure 10. Photos of the localities with occurrence of
<taxonomicName class="Insecta" family="Oligoneuriidae" genus="Oligoneuriella" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Oligoneuriella tuberculata" order="Ephemeroptera" pageId="0" pageNumber="101" phylum="Arthropoda" rank="species" species="tuberculata">
<emphasis italics="true" pageId="0" pageNumber="101">Oligoneuriella tuberculata</emphasis>
</taxonomicName>
sp. nov. and
<taxonomicName class="Insecta" family="Oligoneuriidae" genus="Oligoneuriopsis" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Oligoneuriopsis villosus" order="Ephemeroptera" pageId="0" pageNumber="101" phylum="Arthropoda" rank="species" species="villosus">
<emphasis italics="true" pageId="0" pageNumber="101">Oligoneuriopsis villosus</emphasis>
</taxonomicName>
sp. nov.
<emphasis bold="true" pageId="0" pageNumber="101">A</emphasis>
Marbor River near Kata (type locality of
<taxonomicName lsidName="O. tuberculata" pageId="0" pageNumber="101" rank="species" species="tuberculata">
<emphasis italics="true" pageId="0" pageNumber="101">O. tuberculata</emphasis>
</taxonomicName>
sp. nov.)
<emphasis bold="true" pageId="0" pageNumber="101">B</emphasis>
right tributary of Marun Rud River near Bagh Malek (type locality of
<taxonomicName lsidName="O. villosus" pageId="0" pageNumber="101" rank="species" species="villosus">
<emphasis italics="true" pageId="0" pageNumber="101">O. villosus</emphasis>
</taxonomicName>
sp. nov.)
<emphasis bold="true" pageId="0" pageNumber="101">C</emphasis>
Balarud River near Andimeshk (locality of
<taxonomicName lsidName="O. villosus" pageId="0" pageNumber="101" rank="species" species="villosus">
<emphasis italics="true" pageId="0" pageNumber="101">O. villosus</emphasis>
</taxonomicName>
sp. nov.)
<emphasis bold="true" pageId="0" pageNumber="101">D</emphasis>
Shamil River near Shamil (locality of
<taxonomicName lsidName="O. villosus" pageId="0" pageNumber="101" rank="species" species="villosus">
<emphasis italics="true" pageId="0" pageNumber="101">O. villosus</emphasis>
</taxonomicName>
sp. nov.).
</paragraph>
</caption>
<paragraph pageId="0" pageNumber="101">Larvae were predominantly distributed in river sections with accelerated current and with a minimum amount of alluvial silt. Large larvae (more than 1 cm) were found along stony margins of riffles, while small and medium-sized larvae (up to 1 cm) dwelt anywhere in the riffles.</paragraph>
<paragraph pageId="0" pageNumber="101">
Water quality at collection sites in Khuzestan Province was good, with pH 8.0-8.4, conductivity 620-760
<normalizedToken originalValue="µS">µS</normalizedToken>
.cm-1, salinity 0.3-0.4 ‰, and temperature 21-29 °C (conductivity and salinity measured on two localities only - the tributary of Marun Rud River and Balarud River). At collection sites in Hormozgan Province, abiotic factors were as following: conductivity 1520-1646
<normalizedToken originalValue="µS">µS</normalizedToken>
.cm, salinity 0.8 ‰, and temperature 32-34 °C.
</paragraph>
<paragraph pageId="0" pageNumber="101">
Emergence of the species can be expected between June and July, as most of larvae occurring in all the localities were small and/or middle-sized at the time of collection. Mayfly taxa found in the same localities included:
<taxonomicName class="Insecta" family="Baetidae" genus="Baetis" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Baetis" order="Ephemeroptera" pageId="0" pageNumber="101" phylum="Arthropoda" rank="genus">
<emphasis italics="true" pageId="0" pageNumber="101">Baetis</emphasis>
</taxonomicName>
s. str. (
<taxonomicName family="Baetidae" lsidName="" pageId="0" pageNumber="101" rank="family">Baetidae</taxonomicName>
),
<taxonomicName class="Insecta" family="Baetidae" genus="Labiobaetis" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Labiobaetis" order="Ephemeroptera" pageId="0" pageNumber="101" phylum="Arthropoda" rank="genus">
<emphasis italics="true" pageId="0" pageNumber="101">Labiobaetis</emphasis>
</taxonomicName>
sp. (
<taxonomicName family="Baetidae" lsidName="" pageId="0" pageNumber="101" rank="family">Baetidae</taxonomicName>
),
<taxonomicName class="Insecta" family="Baetidae" genus="Nigrobaetis" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Nigrobaetis" order="Ephemeroptera" pageId="0" pageNumber="101" phylum="Arthropoda" rank="genus">
<emphasis italics="true" pageId="0" pageNumber="101">Nigrobaetis</emphasis>
</taxonomicName>
sp. (
<taxonomicName family="Baetidae" lsidName="" pageId="0" pageNumber="101" rank="family">Baetidae</taxonomicName>
),
<taxonomicName class="Insecta" family="Heptageniidae" genus="Rhithrogena" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Rhithrogena" order="Ephemeroptera" pageId="0" pageNumber="101" phylum="Arthropoda" rank="genus">
<emphasis italics="true" pageId="0" pageNumber="101">Rhithrogena</emphasis>
</taxonomicName>
sp. (
<taxonomicName family="Heptageniidae" lsidName="" pageId="0" pageNumber="101" rank="family">Heptageniidae</taxonomicName>
),
<taxonomicName class="Insecta" family="Heptageniidae" genus="Electrogena" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Electrogena" order="Ephemeroptera" pageId="0" pageNumber="101" phylum="Arthropoda" rank="genus">
<emphasis italics="true" pageId="0" pageNumber="101">Electrogena</emphasis>
</taxonomicName>
sp. (
<taxonomicName family="Heptageniidae" lsidName="" pageId="0" pageNumber="101" rank="family">Heptageniidae</taxonomicName>
),
<taxonomicName class="Insecta" family="Leptophlebiidae" genus="Choroterpes" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Choroterpes" order="Ephemeroptera" pageId="0" pageNumber="101" phylum="Arthropoda" rank="genus">
<emphasis italics="true" pageId="0" pageNumber="101">Choroterpes</emphasis>
</taxonomicName>
sp. (
<taxonomicName family="Leptophlebiidae" lsidName="" pageId="0" pageNumber="101" rank="family">Leptophlebiidae</taxonomicName>
),
<taxonomicName class="Insecta" family="Caenidae" genus="Caenis" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Caenis" order="Ephemeroptera" pageId="0" pageNumber="101" phylum="Arthropoda" rank="genus">
<emphasis italics="true" pageId="0" pageNumber="101">Caenis</emphasis>
</taxonomicName>
sp. (
<taxonomicName family="Caenidae" lsidName="" pageId="0" pageNumber="101" rank="family">Caenidae</taxonomicName>
), and
<taxonomicName class="Insecta" family="Prosopistomatidae" genus="Prosopistoma" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Prosopistoma" order="Ephemeroptera" pageId="0" pageNumber="101" phylum="Arthropoda" rank="genus">
<emphasis italics="true" pageId="0" pageNumber="101">Prosopistoma</emphasis>
</taxonomicName>
sp. (
<taxonomicName family="Prosopistomatidae" lsidName="" pageId="0" pageNumber="101" rank="family">Prosopistomatidae</taxonomicName>
).
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="101" type="diagnosis">
<paragraph pageId="0" pageNumber="101">Diagnosis.</paragraph>
<paragraph pageId="0" pageNumber="101">
According to the combination of following diagnostic characters,
<taxonomicName lsidName="O. villosus" pageId="0" pageNumber="101" rank="species" species="villosus">
<emphasis italics="true" pageId="0" pageNumber="101">O. villosus</emphasis>
</taxonomicName>
sp. nov. can be distinguished from all other representatives of the genus
<taxonomicName class="Insecta" family="Oligoneuriidae" genus="Oligoneuriopsis" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Oligoneuriopsis" order="Ephemeroptera" pageId="0" pageNumber="101" phylum="Arthropoda" rank="genus">
<emphasis italics="true" pageId="0" pageNumber="101">Oligoneuriopsis</emphasis>
</taxonomicName>
worldwide:
</paragraph>
<paragraph pageId="0" pageNumber="101">
• head widest across posterolateral corners (
<figureCitation captionStart="Figure 5" captionStartId="F5" captionText="Figure 5. Oligoneuriopsis villosus sp. nov., larvae A habitus in dorsal view B habitus in ventral view C head of male in lateral view D head of male in dorsal view E head of female in lateral view F head of female in dorsal view G detail of setae on distal part of labial palp segment I in dorsal view H-I setae on paraglossae in ventral view J detail of basal portion of paraglossae under SEM in ventral view. Scale bars: 5 mm (A, B); 1 mm (C-F); 0.2 mm (G-J). Same scale bar for C and D. Same scale bar for E and F." figureDoi="10.3897/zookeys.872.36098.figure5" httpUri="https://binary.pensoft.net/fig/328176" pageId="0" pageNumber="101">Fig. 5D, F</figureCitation>
);
</paragraph>
<paragraph pageId="0" pageNumber="101">
• row of long setae along all length of middle- and hind femora and tibiae (
<figureCitation captionStart="Figure 6" captionStartId="F6" captionText="Figure 6. Oligoneuriopsis villosus sp. nov., larvae, legs A hind leg under SEM in dorsal view B micro sculpture of leg cuticula under SEM in dorsal view C forefemur in dorsal view D middle femur in dorsal view E hind femur in dorsal view F apical part of foretibia with subapical setae in ventral view G shape of foretibia with subapical setae in dorsal view H middle tibia and tarsus in dorsal view I hind tibia and tarsus in dorsal view. Scale bars: 1 mm (A, C-E); 0.02 mm (B); 0.5 mm (F-I). Same scale bar for C, D and E. Same scale bar for F and G. Same scale bar for H and I." figureDoi="10.3897/zookeys.872.36098.figure6" httpUri="https://binary.pensoft.net/fig/328177" pageId="0" pageNumber="101">Fig. 6A, D, E, H, I</figureCitation>
);
</paragraph>
<paragraph pageId="0" pageNumber="101">
• posteromedian projections on abdominal terga absent (
<figureCitation captionStart="Figure 5" captionStartId="F5" captionText="Figure 5. Oligoneuriopsis villosus sp. nov., larvae A habitus in dorsal view B habitus in ventral view C head of male in lateral view D head of male in dorsal view E head of female in lateral view F head of female in dorsal view G detail of setae on distal part of labial palp segment I in dorsal view H-I setae on paraglossae in ventral view J detail of basal portion of paraglossae under SEM in ventral view. Scale bars: 5 mm (A, B); 1 mm (C-F); 0.2 mm (G-J). Same scale bar for C and D. Same scale bar for E and F." figureDoi="10.3897/zookeys.872.36098.figure5" httpUri="https://binary.pensoft.net/fig/328176" pageId="0" pageNumber="101">Fig. 5A</figureCitation>
);
</paragraph>
<paragraph pageId="0" pageNumber="101">
• colouration of abdominal terga dark brown with two pale dots medially (
<figureCitation captionStart="Figure 5" captionStartId="F5" captionText="Figure 5. Oligoneuriopsis villosus sp. nov., larvae A habitus in dorsal view B habitus in ventral view C head of male in lateral view D head of male in dorsal view E head of female in lateral view F head of female in dorsal view G detail of setae on distal part of labial palp segment I in dorsal view H-I setae on paraglossae in ventral view J detail of basal portion of paraglossae under SEM in ventral view. Scale bars: 5 mm (A, B); 1 mm (C-F); 0.2 mm (G-J). Same scale bar for C and D. Same scale bar for E and F." figureDoi="10.3897/zookeys.872.36098.figure5" httpUri="https://binary.pensoft.net/fig/328176" pageId="0" pageNumber="101">Fig. 5A</figureCitation>
);
</paragraph>
<paragraph pageId="0" pageNumber="101">
• setae on surface of terga and gills elongated and bluntly pointed (
<figureCitation captionStart="Figure 7" captionStartId="F7" captionText="Figure 7. Oligoneuriopsis villosus sp. nov., larvae, abdomen and gills A abdomen outline, male B abdomen outline, female C proximal portion of abdomen under SEM in lateral view D gill IV under SEM in dorsal view E gill IV under SEM in ventral view F gill plate I in dorsal view G gill plate I in ventral view H gill plate IV in dorsal view I gill plate IV in ventral view J gill plate VII in dorsal view K gill plate VII in ventral view. Scale bars: 1 mm (A, B); 0.5 mm (C); 0.2 mm (D-K). Same scale bar for F-K." figureDoi="10.3897/zookeys.872.36098.figure7" httpUri="https://binary.pensoft.net/fig/328178" pageId="0" pageNumber="101">Figs 7F, H, J</figureCitation>
,
<figureCitation captionStart="Figure 8" captionStartId="F8" captionText="Figure 8. Oligoneuriopsis villosus sp. nov., larvae and eggs A general view of basal part of abdomen under SEM in ventral view B detail of setae on sternum IV C detail of setae on sternum IV under SEM D detail of setae on surface of terga E egg, general view F detail of egg chorionic structure. Scale bars: 1 mm (A); 0.1 mm (B, D); 0.5 mm (C); 0.05 mm (E); 0.01 mm (F)." figureDoi="10.3897/zookeys.872.36098.figure8" httpUri="https://binary.pensoft.net/fig/328179" pageId="0" pageNumber="101">8D</figureCitation>
);
</paragraph>
<paragraph pageId="0" pageNumber="101">
• posterolateral projections of abdominal segments diverging from body axis (
<figureCitation captionStart="Figure 7" captionStartId="F7" captionText="Figure 7. Oligoneuriopsis villosus sp. nov., larvae, abdomen and gills A abdomen outline, male B abdomen outline, female C proximal portion of abdomen under SEM in lateral view D gill IV under SEM in dorsal view E gill IV under SEM in ventral view F gill plate I in dorsal view G gill plate I in ventral view H gill plate IV in dorsal view I gill plate IV in ventral view J gill plate VII in dorsal view K gill plate VII in ventral view. Scale bars: 1 mm (A, B); 0.5 mm (C); 0.2 mm (D-K). Same scale bar for F-K." figureDoi="10.3897/zookeys.872.36098.figure7" httpUri="https://binary.pensoft.net/fig/328178" pageId="0" pageNumber="101">Fig. 7A, B</figureCitation>
);
</paragraph>
<paragraph pageId="0" pageNumber="101">
• posteromedial setae on sterna
<normalizedToken originalValue="IIIIV">III-IV</normalizedToken>
very long and dense, some more than 20
<normalizedToken originalValue="×">x</normalizedToken>
longer than wide (
<figureCitation captionStart="Figure 8" captionStartId="F8" captionText="Figure 8. Oligoneuriopsis villosus sp. nov., larvae and eggs A general view of basal part of abdomen under SEM in ventral view B detail of setae on sternum IV C detail of setae on sternum IV under SEM D detail of setae on surface of terga E egg, general view F detail of egg chorionic structure. Scale bars: 1 mm (A); 0.1 mm (B, D); 0.5 mm (C); 0.05 mm (E); 0.01 mm (F)." figureDoi="10.3897/zookeys.872.36098.figure8" httpUri="https://binary.pensoft.net/fig/328179" pageId="0" pageNumber="101">
Fig. 8
<normalizedToken originalValue="AC">A-C</normalizedToken>
</figureCitation>
);
</paragraph>
<paragraph pageId="0" pageNumber="101">
• first gill plate markedly smaller than the remaining pairs (
<figureCitation captionStart="Figure 7" captionStartId="F7" captionText="Figure 7. Oligoneuriopsis villosus sp. nov., larvae, abdomen and gills A abdomen outline, male B abdomen outline, female C proximal portion of abdomen under SEM in lateral view D gill IV under SEM in dorsal view E gill IV under SEM in ventral view F gill plate I in dorsal view G gill plate I in ventral view H gill plate IV in dorsal view I gill plate IV in ventral view J gill plate VII in dorsal view K gill plate VII in ventral view. Scale bars: 1 mm (A, B); 0.5 mm (C); 0.2 mm (D-K). Same scale bar for F-K." figureDoi="10.3897/zookeys.872.36098.figure7" httpUri="https://binary.pensoft.net/fig/328178" pageId="0" pageNumber="101">Fig. 7F, G</figureCitation>
);
</paragraph>
<paragraph pageId="0" pageNumber="101">
• setae on inner distal margin of gill plates
<normalizedToken originalValue="IIVII">II-VII</normalizedToken>
long (
<figureCitation captionStart="Figure 7" captionStartId="F7" captionText="Figure 7. Oligoneuriopsis villosus sp. nov., larvae, abdomen and gills A abdomen outline, male B abdomen outline, female C proximal portion of abdomen under SEM in lateral view D gill IV under SEM in dorsal view E gill IV under SEM in ventral view F gill plate I in dorsal view G gill plate I in ventral view H gill plate IV in dorsal view I gill plate IV in ventral view J gill plate VII in dorsal view K gill plate VII in ventral view. Scale bars: 1 mm (A, B); 0.5 mm (C); 0.2 mm (D-K). Same scale bar for F-K." figureDoi="10.3897/zookeys.872.36098.figure7" httpUri="https://binary.pensoft.net/fig/328178" pageId="0" pageNumber="101">
Fig. 7
<normalizedToken originalValue="HK">H-K</normalizedToken>
</figureCitation>
);
</paragraph>
<paragraph pageId="0" pageNumber="101">
• setae on ventral surface of gill plates near inner distal margin present (
<figureCitation captionStart="Figure 7" captionStartId="F7" captionText="Figure 7. Oligoneuriopsis villosus sp. nov., larvae, abdomen and gills A abdomen outline, male B abdomen outline, female C proximal portion of abdomen under SEM in lateral view D gill IV under SEM in dorsal view E gill IV under SEM in ventral view F gill plate I in dorsal view G gill plate I in ventral view H gill plate IV in dorsal view I gill plate IV in ventral view J gill plate VII in dorsal view K gill plate VII in ventral view. Scale bars: 1 mm (A, B); 0.5 mm (C); 0.2 mm (D-K). Same scale bar for F-K." figureDoi="10.3897/zookeys.872.36098.figure7" httpUri="https://binary.pensoft.net/fig/328178" pageId="0" pageNumber="101">Fig. 7I, K</figureCitation>
);
</paragraph>
<paragraph pageId="0" pageNumber="101">
• paracercus fully developed (
<figureCitation captionStart="Figure 5" captionStartId="F5" captionText="Figure 5. Oligoneuriopsis villosus sp. nov., larvae A habitus in dorsal view B habitus in ventral view C head of male in lateral view D head of male in dorsal view E head of female in lateral view F head of female in dorsal view G detail of setae on distal part of labial palp segment I in dorsal view H-I setae on paraglossae in ventral view J detail of basal portion of paraglossae under SEM in ventral view. Scale bars: 5 mm (A, B); 1 mm (C-F); 0.2 mm (G-J). Same scale bar for C and D. Same scale bar for E and F." figureDoi="10.3897/zookeys.872.36098.figure5" httpUri="https://binary.pensoft.net/fig/328176" pageId="0" pageNumber="101">Fig. 5A, B</figureCitation>
);
</paragraph>
<paragraph pageId="0" pageNumber="101">
• caudal filaments dark in proximal half, distinct dark band in the middle missing (
<figureCitation captionStart="Figure 5" captionStartId="F5" captionText="Figure 5. Oligoneuriopsis villosus sp. nov., larvae A habitus in dorsal view B habitus in ventral view C head of male in lateral view D head of male in dorsal view E head of female in lateral view F head of female in dorsal view G detail of setae on distal part of labial palp segment I in dorsal view H-I setae on paraglossae in ventral view J detail of basal portion of paraglossae under SEM in ventral view. Scale bars: 5 mm (A, B); 1 mm (C-F); 0.2 mm (G-J). Same scale bar for C and D. Same scale bar for E and F." figureDoi="10.3897/zookeys.872.36098.figure5" httpUri="https://binary.pensoft.net/fig/328176" pageId="0" pageNumber="101">Fig. 5A, B</figureCitation>
).
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="101" type="description">
<paragraph pageId="0" pageNumber="101">Description.</paragraph>
<paragraph pageId="0" pageNumber="101">
<emphasis bold="true" italics="true" pageId="0" pageNumber="101">Larva.</emphasis>
Mature larvae: body length 13-16 mm (female), 11-12 mm (male), length of cerci approximately 0.4
<normalizedToken originalValue="0.5×">-0.5x</normalizedToken>
body length, paracercus slightly shorter.
</paragraph>
<paragraph pageId="0" pageNumber="101">
<emphasis italics="true" pageId="0" pageNumber="101">Colouration</emphasis>
(
<figureCitation captionStart="Figure 5" captionStartId="F5" captionText="Figure 5. Oligoneuriopsis villosus sp. nov., larvae A habitus in dorsal view B habitus in ventral view C head of male in lateral view D head of male in dorsal view E head of female in lateral view F head of female in dorsal view G detail of setae on distal part of labial palp segment I in dorsal view H-I setae on paraglossae in ventral view J detail of basal portion of paraglossae under SEM in ventral view. Scale bars: 5 mm (A, B); 1 mm (C-F); 0.2 mm (G-J). Same scale bar for C and D. Same scale bar for E and F." figureDoi="10.3897/zookeys.872.36098.figure5" httpUri="https://binary.pensoft.net/fig/328176" pageId="0" pageNumber="101">Fig. 5A, B</figureCitation>
). Head, thorax and abdomen greyish dark brown with distinctive light (yellowish) ornamentation. When fixed in ethanol, general colouration paler, brown. Legs yellowish with distinctive brown ornamentation forming bands. This colouration apparent only in larger larvae, more than 1 cm long. Smaller larvae uniformly pale, yellowish.
</paragraph>
<paragraph pageId="0" pageNumber="101">
<emphasis italics="true" pageId="0" pageNumber="101">Head</emphasis>
. Greyish dark brown, foremargin of head darker, occipital area with yellowish ornamentation forming four longitudinal stripes merging behind ocellar part of head. Antennae yellowish brown proximally, brown distally. Head width/length 1: 1.2 (
<figureCitation captionStart="Figure 5" captionStartId="F5" captionText="Figure 5. Oligoneuriopsis villosus sp. nov., larvae A habitus in dorsal view B habitus in ventral view C head of male in lateral view D head of male in dorsal view E head of female in lateral view F head of female in dorsal view G detail of setae on distal part of labial palp segment I in dorsal view H-I setae on paraglossae in ventral view J detail of basal portion of paraglossae under SEM in ventral view. Scale bars: 5 mm (A, B); 1 mm (C-F); 0.2 mm (G-J). Same scale bar for C and D. Same scale bar for E and F." figureDoi="10.3897/zookeys.872.36098.figure5" httpUri="https://binary.pensoft.net/fig/328176" pageId="0" pageNumber="101">
Fig. 5
<normalizedToken originalValue="CF">C-F</normalizedToken>
</figureCitation>
). Eyes black, slightly exceeding contour of head in dorsal view in males; distance between eyes 2.2
<normalizedToken originalValue="×">x</normalizedToken>
narrower than eye width in males and 1.5
<normalizedToken originalValue="×">x</normalizedToken>
wider than eye width in females (
<figureCitation captionStart="Figure 5" captionStartId="F5" captionText="Figure 5. Oligoneuriopsis villosus sp. nov., larvae A habitus in dorsal view B habitus in ventral view C head of male in lateral view D head of male in dorsal view E head of female in lateral view F head of female in dorsal view G detail of setae on distal part of labial palp segment I in dorsal view H-I setae on paraglossae in ventral view J detail of basal portion of paraglossae under SEM in ventral view. Scale bars: 5 mm (A, B); 1 mm (C-F); 0.2 mm (G-J). Same scale bar for C and D. Same scale bar for E and F." figureDoi="10.3897/zookeys.872.36098.figure5" httpUri="https://binary.pensoft.net/fig/328176" pageId="0" pageNumber="101">Fig. 5D, F</figureCitation>
). Foremargin of head dark, bordered by dense fringe of long bristle-like setae. Labium ventrally with numerous flattened setae of different length not arranged in rows along proximal margin of paraglossae (
<figureCitation captionStart="Figure 5" captionStartId="F5" captionText="Figure 5. Oligoneuriopsis villosus sp. nov., larvae A habitus in dorsal view B habitus in ventral view C head of male in lateral view D head of male in dorsal view E head of female in lateral view F head of female in dorsal view G detail of setae on distal part of labial palp segment I in dorsal view H-I setae on paraglossae in ventral view J detail of basal portion of paraglossae under SEM in ventral view. Scale bars: 5 mm (A, B); 1 mm (C-F); 0.2 mm (G-J). Same scale bar for C and D. Same scale bar for E and F." figureDoi="10.3897/zookeys.872.36098.figure5" httpUri="https://binary.pensoft.net/fig/328176" pageId="0" pageNumber="101">
Fig. 5
<normalizedToken originalValue="HJ">H-J</normalizedToken>
</figureCitation>
). Similar setae also situated sparsely along inner margin of paraglossae (
<figureCitation captionStart="Figure 5" captionStartId="F5" captionText="Figure 5. Oligoneuriopsis villosus sp. nov., larvae A habitus in dorsal view B habitus in ventral view C head of male in lateral view D head of male in dorsal view E head of female in lateral view F head of female in dorsal view G detail of setae on distal part of labial palp segment I in dorsal view H-I setae on paraglossae in ventral view J detail of basal portion of paraglossae under SEM in ventral view. Scale bars: 5 mm (A, B); 1 mm (C-F); 0.2 mm (G-J). Same scale bar for C and D. Same scale bar for E and F." figureDoi="10.3897/zookeys.872.36098.figure5" httpUri="https://binary.pensoft.net/fig/328176" pageId="0" pageNumber="101">Fig. 5H</figureCitation>
). Dorsal side of first segment of labial palp with group of 15-25 thin setae distally (
<figureCitation captionStart="Figure 5" captionStartId="F5" captionText="Figure 5. Oligoneuriopsis villosus sp. nov., larvae A habitus in dorsal view B habitus in ventral view C head of male in lateral view D head of male in dorsal view E head of female in lateral view F head of female in dorsal view G detail of setae on distal part of labial palp segment I in dorsal view H-I setae on paraglossae in ventral view J detail of basal portion of paraglossae under SEM in ventral view. Scale bars: 5 mm (A, B); 1 mm (C-F); 0.2 mm (G-J). Same scale bar for C and D. Same scale bar for E and F." figureDoi="10.3897/zookeys.872.36098.figure5" httpUri="https://binary.pensoft.net/fig/328176" pageId="0" pageNumber="101">Fig. 5G</figureCitation>
).
</paragraph>
<paragraph pageId="0" pageNumber="101">
<emphasis italics="true" pageId="0" pageNumber="101">Thorax</emphasis>
. Greyish dark brown, with yellowish spots submedially on prothorax and yellowish spots and longitudinal stripes on mesothorax. Pleural and ventral part of thorax brown. Legs yellowish-brown, with distinct brown ornamentation (
<figureCitation captionStart="Figure 5" captionStartId="F5" captionText="Figure 5. Oligoneuriopsis villosus sp. nov., larvae A habitus in dorsal view B habitus in ventral view C head of male in lateral view D head of male in dorsal view E head of female in lateral view F head of female in dorsal view G detail of setae on distal part of labial palp segment I in dorsal view H-I setae on paraglossae in ventral view J detail of basal portion of paraglossae under SEM in ventral view. Scale bars: 5 mm (A, B); 1 mm (C-F); 0.2 mm (G-J). Same scale bar for C and D. Same scale bar for E and F." figureDoi="10.3897/zookeys.872.36098.figure5" httpUri="https://binary.pensoft.net/fig/328176" pageId="0" pageNumber="101">Fig. 5B</figureCitation>
). Coxae and trochanters brown. Proximal half of femora brown, distal half yellowish-brown. Tibiae with narrow brown bands distally and proximally, tarsi with narrow brown band distally. Forecoxae distally with numerous long, bristle-like setae and with about 15 long, thin hair-like setae on inner margin. Foretrochanters distally with numerous long, bristle-like setae. Forefemora length 2
<normalizedToken originalValue="2.5×">-2.5x</normalizedToken>
width; dorsal surface of forefemora covered with scattered flattened setae of various length; dense group of pointed long flattened setae submarginally near filtering setae; outer margin of forefemora bordered by conspicuous fringe of long hair-like setae (
<figureCitation captionStart="Figure 6" captionStartId="F6" captionText="Figure 6. Oligoneuriopsis villosus sp. nov., larvae, legs A hind leg under SEM in dorsal view B micro sculpture of leg cuticula under SEM in dorsal view C forefemur in dorsal view D middle femur in dorsal view E hind femur in dorsal view F apical part of foretibia with subapical setae in ventral view G shape of foretibia with subapical setae in dorsal view H middle tibia and tarsus in dorsal view I hind tibia and tarsus in dorsal view. Scale bars: 1 mm (A, C-E); 0.02 mm (B); 0.5 mm (F-I). Same scale bar for C, D and E. Same scale bar for F and G. Same scale bar for H and I." figureDoi="10.3897/zookeys.872.36098.figure6" httpUri="https://binary.pensoft.net/fig/328177" pageId="0" pageNumber="101">Fig. 6C</figureCitation>
). Filtering setae of femora and tibiae brown. Foretibiae dorsally with irregular row of bristle-like setae in distal quarter (
<figureCitation captionStart="Figure 6" captionStartId="F6" captionText="Figure 6. Oligoneuriopsis villosus sp. nov., larvae, legs A hind leg under SEM in dorsal view B micro sculpture of leg cuticula under SEM in dorsal view C forefemur in dorsal view D middle femur in dorsal view E hind femur in dorsal view F apical part of foretibia with subapical setae in ventral view G shape of foretibia with subapical setae in dorsal view H middle tibia and tarsus in dorsal view I hind tibia and tarsus in dorsal view. Scale bars: 1 mm (A, C-E); 0.02 mm (B); 0.5 mm (F-I). Same scale bar for C, D and E. Same scale bar for F and G. Same scale bar for H and I." figureDoi="10.3897/zookeys.872.36098.figure6" httpUri="https://binary.pensoft.net/fig/328177" pageId="0" pageNumber="101">Fig. 6G</figureCitation>
); ventrally with 2-3 subapical setae and several setae apically (
<figureCitation captionStart="Figure 6" captionStartId="F6" captionText="Figure 6. Oligoneuriopsis villosus sp. nov., larvae, legs A hind leg under SEM in dorsal view B micro sculpture of leg cuticula under SEM in dorsal view C forefemur in dorsal view D middle femur in dorsal view E hind femur in dorsal view F apical part of foretibia with subapical setae in ventral view G shape of foretibia with subapical setae in dorsal view H middle tibia and tarsus in dorsal view I hind tibia and tarsus in dorsal view. Scale bars: 1 mm (A, C-E); 0.02 mm (B); 0.5 mm (F-I). Same scale bar for C, D and E. Same scale bar for F and G. Same scale bar for H and I." figureDoi="10.3897/zookeys.872.36098.figure6" httpUri="https://binary.pensoft.net/fig/328177" pageId="0" pageNumber="101">Fig. 6F</figureCitation>
). Foretarsi distally with groups of pointed setae. Foreclaws heavily sclerotised at apex, with 6-7 denticles. Middle and hind femora and tibiae with dense fringe of long, hair-like setae along entire length of outer margin (
<figureCitation captionStart="Figure 6" captionStartId="F6" captionText="Figure 6. Oligoneuriopsis villosus sp. nov., larvae, legs A hind leg under SEM in dorsal view B micro sculpture of leg cuticula under SEM in dorsal view C forefemur in dorsal view D middle femur in dorsal view E hind femur in dorsal view F apical part of foretibia with subapical setae in ventral view G shape of foretibia with subapical setae in dorsal view H middle tibia and tarsus in dorsal view I hind tibia and tarsus in dorsal view. Scale bars: 1 mm (A, C-E); 0.02 mm (B); 0.5 mm (F-I). Same scale bar for C, D and E. Same scale bar for F and G. Same scale bar for H and I." figureDoi="10.3897/zookeys.872.36098.figure6" httpUri="https://binary.pensoft.net/fig/328177" pageId="0" pageNumber="101">Fig. 6A, D, E, H, I</figureCitation>
). Some hair-like setae present on outer margin of tarsi as well (
<figureCitation captionStart="Figure 6" captionStartId="F6" captionText="Figure 6. Oligoneuriopsis villosus sp. nov., larvae, legs A hind leg under SEM in dorsal view B micro sculpture of leg cuticula under SEM in dorsal view C forefemur in dorsal view D middle femur in dorsal view E hind femur in dorsal view F apical part of foretibia with subapical setae in ventral view G shape of foretibia with subapical setae in dorsal view H middle tibia and tarsus in dorsal view I hind tibia and tarsus in dorsal view. Scale bars: 1 mm (A, C-E); 0.02 mm (B); 0.5 mm (F-I). Same scale bar for C, D and E. Same scale bar for F and G. Same scale bar for H and I." figureDoi="10.3897/zookeys.872.36098.figure6" httpUri="https://binary.pensoft.net/fig/328177" pageId="0" pageNumber="101">Fig. 6I</figureCitation>
). Fringes of hair-like setae on femora and middle and hind tibiae are apparent also in (pale) early-instar larvae.
</paragraph>
<paragraph pageId="0" pageNumber="101">
<emphasis italics="true" pageId="0" pageNumber="101">Abdomen</emphasis>
. Greyish dark brown, with pair of submedian smudged yellowish spots and conspicuous sublateral yellowish pattern (
<figureCitation captionStart="Figure 5" captionStartId="F5" captionText="Figure 5. Oligoneuriopsis villosus sp. nov., larvae A habitus in dorsal view B habitus in ventral view C head of male in lateral view D head of male in dorsal view E head of female in lateral view F head of female in dorsal view G detail of setae on distal part of labial palp segment I in dorsal view H-I setae on paraglossae in ventral view J detail of basal portion of paraglossae under SEM in ventral view. Scale bars: 5 mm (A, B); 1 mm (C-F); 0.2 mm (G-J). Same scale bar for C and D. Same scale bar for E and F." figureDoi="10.3897/zookeys.872.36098.figure5" httpUri="https://binary.pensoft.net/fig/328176" pageId="0" pageNumber="101">Fig. 5A</figureCitation>
). Ventral part of abdomen greyish dark brown, with conspicuous yellowish pattern (
<figureCitation captionStart="Figure 5" captionStartId="F5" captionText="Figure 5. Oligoneuriopsis villosus sp. nov., larvae A habitus in dorsal view B habitus in ventral view C head of male in lateral view D head of male in dorsal view E head of female in lateral view F head of female in dorsal view G detail of setae on distal part of labial palp segment I in dorsal view H-I setae on paraglossae in ventral view J detail of basal portion of paraglossae under SEM in ventral view. Scale bars: 5 mm (A, B); 1 mm (C-F); 0.2 mm (G-J). Same scale bar for C and D. Same scale bar for E and F." figureDoi="10.3897/zookeys.872.36098.figure5" httpUri="https://binary.pensoft.net/fig/328176" pageId="0" pageNumber="101">Fig. 5B</figureCitation>
). Posterolateral processes present on abdominal segments
<normalizedToken originalValue="IIIX">II-IX</normalizedToken>
; bent outwards, apices slightly inwards (
<figureCitation captionStart="Figure 7" captionStartId="F7" captionText="Figure 7. Oligoneuriopsis villosus sp. nov., larvae, abdomen and gills A abdomen outline, male B abdomen outline, female C proximal portion of abdomen under SEM in lateral view D gill IV under SEM in dorsal view E gill IV under SEM in ventral view F gill plate I in dorsal view G gill plate I in ventral view H gill plate IV in dorsal view I gill plate IV in ventral view J gill plate VII in dorsal view K gill plate VII in ventral view. Scale bars: 1 mm (A, B); 0.5 mm (C); 0.2 mm (D-K). Same scale bar for F-K." figureDoi="10.3897/zookeys.872.36098.figure7" httpUri="https://binary.pensoft.net/fig/328178" pageId="0" pageNumber="101">Fig. 7A, B</figureCitation>
). Terga sparsely covered with flattened setae of various sizes mixed with numerous microtrichia, largest setae elongated and bluntly pointed apically (
<figureCitation captionStart="Figure 8" captionStartId="F8" captionText="Figure 8. Oligoneuriopsis villosus sp. nov., larvae and eggs A general view of basal part of abdomen under SEM in ventral view B detail of setae on sternum IV C detail of setae on sternum IV under SEM D detail of setae on surface of terga E egg, general view F detail of egg chorionic structure. Scale bars: 1 mm (A); 0.1 mm (B, D); 0.5 mm (C); 0.05 mm (E); 0.01 mm (F)." figureDoi="10.3897/zookeys.872.36098.figure8" httpUri="https://binary.pensoft.net/fig/328179" pageId="0" pageNumber="101">Fig. 8D</figureCitation>
). Some sterna with densely assembled setae posteromedially (most prominent on sterna
<normalizedToken originalValue="IIIIV">III-IV</normalizedToken>
, present also on sternum V). Individual setae distinctly elongated, some more than 20
<normalizedToken originalValue="×">x</normalizedToken>
longer than wide, see
<figureCitation captionStart="Figure 8" captionStartId="F8" captionText="Figure 8. Oligoneuriopsis villosus sp. nov., larvae and eggs A general view of basal part of abdomen under SEM in ventral view B detail of setae on sternum IV C detail of setae on sternum IV under SEM D detail of setae on surface of terga E egg, general view F detail of egg chorionic structure. Scale bars: 1 mm (A); 0.1 mm (B, D); 0.5 mm (C); 0.05 mm (E); 0.01 mm (F)." figureDoi="10.3897/zookeys.872.36098.figure8" httpUri="https://binary.pensoft.net/fig/328179" pageId="0" pageNumber="101">
Fig. 8
<normalizedToken originalValue="AC">A-C</normalizedToken>
</figureCitation>
). Sternum IX with wide rounded incision posteriorly, equipped with tiny spines.
</paragraph>
<paragraph pageId="0" pageNumber="101">
<emphasis italics="true" pageId="0" pageNumber="101">Gills</emphasis>
(
<figureCitation captionStart="Figure 7" captionStartId="F7" captionText="Figure 7. Oligoneuriopsis villosus sp. nov., larvae, abdomen and gills A abdomen outline, male B abdomen outline, female C proximal portion of abdomen under SEM in lateral view D gill IV under SEM in dorsal view E gill IV under SEM in ventral view F gill plate I in dorsal view G gill plate I in ventral view H gill plate IV in dorsal view I gill plate IV in ventral view J gill plate VII in dorsal view K gill plate VII in ventral view. Scale bars: 1 mm (A, B); 0.5 mm (C); 0.2 mm (D-K). Same scale bar for F-K." figureDoi="10.3897/zookeys.872.36098.figure7" httpUri="https://binary.pensoft.net/fig/328178" pageId="0" pageNumber="101">Fig. 7</figureCitation>
). Gill I asymmetric, bluntly pointed apically (
<figureCitation captionStart="Figure 7" captionStartId="F7" captionText="Figure 7. Oligoneuriopsis villosus sp. nov., larvae, abdomen and gills A abdomen outline, male B abdomen outline, female C proximal portion of abdomen under SEM in lateral view D gill IV under SEM in dorsal view E gill IV under SEM in ventral view F gill plate I in dorsal view G gill plate I in ventral view H gill plate IV in dorsal view I gill plate IV in ventral view J gill plate VII in dorsal view K gill plate VII in ventral view. Scale bars: 1 mm (A, B); 0.5 mm (C); 0.2 mm (D-K). Same scale bar for F-K." figureDoi="10.3897/zookeys.872.36098.figure7" httpUri="https://binary.pensoft.net/fig/328178" pageId="0" pageNumber="101">Fig. 7F, G</figureCitation>
), markedly smaller and more elongated than following gills, which are oval and almost symmetric (
<figureCitation captionStart="Figure 7" captionStartId="F7" captionText="Figure 7. Oligoneuriopsis villosus sp. nov., larvae, abdomen and gills A abdomen outline, male B abdomen outline, female C proximal portion of abdomen under SEM in lateral view D gill IV under SEM in dorsal view E gill IV under SEM in ventral view F gill plate I in dorsal view G gill plate I in ventral view H gill plate IV in dorsal view I gill plate IV in ventral view J gill plate VII in dorsal view K gill plate VII in ventral view. Scale bars: 1 mm (A, B); 0.5 mm (C); 0.2 mm (D-K). Same scale bar for F-K." figureDoi="10.3897/zookeys.872.36098.figure7" httpUri="https://binary.pensoft.net/fig/328178" pageId="0" pageNumber="101">
Fig. 7D, E,
<normalizedToken originalValue="HK">H-K</normalizedToken>
</figureCitation>
). Size ratio between gill I and IV approximately 0.8: 1 (length) and 0.7: 1 (width). All gill pairs equipped with bundle of whitish filaments slightly shorter than respective gill plate (filaments are slightly longer in gill I). Dorsal surface of gill I covered with elongated setae of various size (
<figureCitation captionStart="Figure 7" captionStartId="F7" captionText="Figure 7. Oligoneuriopsis villosus sp. nov., larvae, abdomen and gills A abdomen outline, male B abdomen outline, female C proximal portion of abdomen under SEM in lateral view D gill IV under SEM in dorsal view E gill IV under SEM in ventral view F gill plate I in dorsal view G gill plate I in ventral view H gill plate IV in dorsal view I gill plate IV in ventral view J gill plate VII in dorsal view K gill plate VII in ventral view. Scale bars: 1 mm (A, B); 0.5 mm (C); 0.2 mm (D-K). Same scale bar for F-K." figureDoi="10.3897/zookeys.872.36098.figure7" httpUri="https://binary.pensoft.net/fig/328178" pageId="0" pageNumber="101">Fig. 7F</figureCitation>
). Ventral surface of gill I with submarginal setae only (
<figureCitation captionStart="Figure 7" captionStartId="F7" captionText="Figure 7. Oligoneuriopsis villosus sp. nov., larvae, abdomen and gills A abdomen outline, male B abdomen outline, female C proximal portion of abdomen under SEM in lateral view D gill IV under SEM in dorsal view E gill IV under SEM in ventral view F gill plate I in dorsal view G gill plate I in ventral view H gill plate IV in dorsal view I gill plate IV in ventral view J gill plate VII in dorsal view K gill plate VII in ventral view. Scale bars: 1 mm (A, B); 0.5 mm (C); 0.2 mm (D-K). Same scale bar for F-K." figureDoi="10.3897/zookeys.872.36098.figure7" httpUri="https://binary.pensoft.net/fig/328178" pageId="0" pageNumber="101">Fig. 7G</figureCitation>
). Dorsal surface of gills
<normalizedToken originalValue="IIVII">II-VII</normalizedToken>
with sparsely scattered, elongated, and bluntly pointed setae (
<figureCitation captionStart="Figure 7" captionStartId="F7" captionText="Figure 7. Oligoneuriopsis villosus sp. nov., larvae, abdomen and gills A abdomen outline, male B abdomen outline, female C proximal portion of abdomen under SEM in lateral view D gill IV under SEM in dorsal view E gill IV under SEM in ventral view F gill plate I in dorsal view G gill plate I in ventral view H gill plate IV in dorsal view I gill plate IV in ventral view J gill plate VII in dorsal view K gill plate VII in ventral view. Scale bars: 1 mm (A, B); 0.5 mm (C); 0.2 mm (D-K). Same scale bar for F-K." figureDoi="10.3897/zookeys.872.36098.figure7" httpUri="https://binary.pensoft.net/fig/328178" pageId="0" pageNumber="101">Fig. 7D, H, J</figureCitation>
). Similar setae occurring also on margins of gill plates. Setae bordering inner part of distal margin relatively long (
<figureCitation captionStart="Figure 7" captionStartId="F7" captionText="Figure 7. Oligoneuriopsis villosus sp. nov., larvae, abdomen and gills A abdomen outline, male B abdomen outline, female C proximal portion of abdomen under SEM in lateral view D gill IV under SEM in dorsal view E gill IV under SEM in ventral view F gill plate I in dorsal view G gill plate I in ventral view H gill plate IV in dorsal view I gill plate IV in ventral view J gill plate VII in dorsal view K gill plate VII in ventral view. Scale bars: 1 mm (A, B); 0.5 mm (C); 0.2 mm (D-K). Same scale bar for F-K." figureDoi="10.3897/zookeys.872.36098.figure7" httpUri="https://binary.pensoft.net/fig/328178" pageId="0" pageNumber="101">
Fig. 7
<normalizedToken originalValue="HK">H-K</normalizedToken>
</figureCitation>
). Ventral surface of gill plates
<normalizedToken originalValue="IIVII">II-VII</normalizedToken>
with numerous hair-like setae along outer margin of ventral cavity (
<figureCitation captionStart="Figure 7" captionStartId="F7" captionText="Figure 7. Oligoneuriopsis villosus sp. nov., larvae, abdomen and gills A abdomen outline, male B abdomen outline, female C proximal portion of abdomen under SEM in lateral view D gill IV under SEM in dorsal view E gill IV under SEM in ventral view F gill plate I in dorsal view G gill plate I in ventral view H gill plate IV in dorsal view I gill plate IV in ventral view J gill plate VII in dorsal view K gill plate VII in ventral view. Scale bars: 1 mm (A, B); 0.5 mm (C); 0.2 mm (D-K). Same scale bar for F-K." figureDoi="10.3897/zookeys.872.36098.figure7" httpUri="https://binary.pensoft.net/fig/328178" pageId="0" pageNumber="101">Fig. 7E, I, K</figureCitation>
). These setae slightly plumose. Second group of minute setae situated near inner distal margin (
<figureCitation captionStart="Figure 7" captionStartId="F7" captionText="Figure 7. Oligoneuriopsis villosus sp. nov., larvae, abdomen and gills A abdomen outline, male B abdomen outline, female C proximal portion of abdomen under SEM in lateral view D gill IV under SEM in dorsal view E gill IV under SEM in ventral view F gill plate I in dorsal view G gill plate I in ventral view H gill plate IV in dorsal view I gill plate IV in ventral view J gill plate VII in dorsal view K gill plate VII in ventral view. Scale bars: 1 mm (A, B); 0.5 mm (C); 0.2 mm (D-K). Same scale bar for F-K." figureDoi="10.3897/zookeys.872.36098.figure7" httpUri="https://binary.pensoft.net/fig/328178" pageId="0" pageNumber="101">Fig. 7I, K</figureCitation>
).
</paragraph>
<paragraph pageId="0" pageNumber="101">
<emphasis italics="true" pageId="0" pageNumber="101">Cerci</emphasis>
dark brown, lighter towards apex, with inner marginal fringe of fine hair-like setae. Paracercus reaching approx. 2/3 of cerci length, with dense setation laterally (
<figureCitation captionStart="Figure 5" captionStartId="F5" captionText="Figure 5. Oligoneuriopsis villosus sp. nov., larvae A habitus in dorsal view B habitus in ventral view C head of male in lateral view D head of male in dorsal view E head of female in lateral view F head of female in dorsal view G detail of setae on distal part of labial palp segment I in dorsal view H-I setae on paraglossae in ventral view J detail of basal portion of paraglossae under SEM in ventral view. Scale bars: 5 mm (A, B); 1 mm (C-F); 0.2 mm (G-J). Same scale bar for C and D. Same scale bar for E and F." figureDoi="10.3897/zookeys.872.36098.figure5" httpUri="https://binary.pensoft.net/fig/328176" pageId="0" pageNumber="101">Fig. 5A, B</figureCitation>
).
</paragraph>
<paragraph pageId="0" pageNumber="101">
<emphasis bold="true" italics="true" pageId="0" pageNumber="101">Egg.</emphasis>
Shape of eggs studied deformed due to extraction from mature larvae (
<figureCitation captionStart="Figure 8" captionStartId="F8" captionText="Figure 8. Oligoneuriopsis villosus sp. nov., larvae and eggs A general view of basal part of abdomen under SEM in ventral view B detail of setae on sternum IV C detail of setae on sternum IV under SEM D detail of setae on surface of terga E egg, general view F detail of egg chorionic structure. Scale bars: 1 mm (A); 0.1 mm (B, D); 0.5 mm (C); 0.05 mm (E); 0.01 mm (F)." figureDoi="10.3897/zookeys.872.36098.figure8" httpUri="https://binary.pensoft.net/fig/328179" pageId="0" pageNumber="101">Fig. 8E</figureCitation>
). Eggs 250-320
<normalizedToken originalValue="μm">μm</normalizedToken>
long and 190-240
<normalizedToken originalValue="μm">μm</normalizedToken>
wide; chorionic surface covered with circled terminal fibre clusters (diameter 10
<normalizedToken originalValue="μm">μm</normalizedToken>
). Micropyle shallow, circular; sperm guide well apparent (
<figureCitation captionStart="Figure 8" captionStartId="F8" captionText="Figure 8. Oligoneuriopsis villosus sp. nov., larvae and eggs A general view of basal part of abdomen under SEM in ventral view B detail of setae on sternum IV C detail of setae on sternum IV under SEM D detail of setae on surface of terga E egg, general view F detail of egg chorionic structure. Scale bars: 1 mm (A); 0.1 mm (B, D); 0.5 mm (C); 0.05 mm (E); 0.01 mm (F)." figureDoi="10.3897/zookeys.872.36098.figure8" httpUri="https://binary.pensoft.net/fig/328179" pageId="0" pageNumber="101">Fig. 8E</figureCitation>
). Terminal fibre clusters finely sculptured, with leaf-like, flat microstructures (
<figureCitation captionStart="Figure 8" captionStartId="F8" captionText="Figure 8. Oligoneuriopsis villosus sp. nov., larvae and eggs A general view of basal part of abdomen under SEM in ventral view B detail of setae on sternum IV C detail of setae on sternum IV under SEM D detail of setae on surface of terga E egg, general view F detail of egg chorionic structure. Scale bars: 1 mm (A); 0.1 mm (B, D); 0.5 mm (C); 0.05 mm (E); 0.01 mm (F)." figureDoi="10.3897/zookeys.872.36098.figure8" httpUri="https://binary.pensoft.net/fig/328179" pageId="0" pageNumber="101">Fig. 8F</figureCitation>
).
</paragraph>
<paragraph pageId="0" pageNumber="101">
<emphasis bold="true" italics="true" pageId="0" pageNumber="101">Imago and subimago.</emphasis>
Unknown.
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="101" type="affinities">
<paragraph pageId="0" pageNumber="101">Affinities.</paragraph>
<paragraph pageId="0" pageNumber="101">
The establishment of the generic attribution of
<taxonomicName lsidName="O. villosus" pageId="0" pageNumber="101" rank="species" species="villosus">
<emphasis italics="true" pageId="0" pageNumber="101">O. villosus</emphasis>
</taxonomicName>
sp. nov. is not straightforward, although affinities to the genera
<taxonomicName class="Insecta" family="Oligoneuriidae" genus="Oligoneuriella" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Oligoneuriella" order="Ephemeroptera" pageId="0" pageNumber="101" phylum="Arthropoda" rank="genus">
<emphasis italics="true" pageId="0" pageNumber="101">Oligoneuriella</emphasis>
</taxonomicName>
Ulmer, 1924 and
<taxonomicName class="Insecta" family="Oligoneuriidae" genus="Oligoneuriopsis" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Oligoneuriopsis" order="Ephemeroptera" pageId="0" pageNumber="101" phylum="Arthropoda" rank="genus">
<emphasis italics="true" pageId="0" pageNumber="101">Oligoneuriopsis</emphasis>
</taxonomicName>
Crass, 1947 are obvious based on the shape of head, legs, and gills (see
<bibRefCitation author="Edmunds, Jr GF" journalOrPublisher="Proceedings of the Entomological Society of Washington" pageId="0" pageNumber="101" pagination="255 - 256" refId="B13" refString="Edmunds, Jr GF, 1961. A key to the genera of known nymphs of the Oligoneuriidae (Ephemeroptera). . Proceedings of the Entomological Society of Washington 63: 255 - 256" title="A key to the genera of known nymphs of the Oligoneuriidae (Ephemeroptera)." volume="63" year="1961">Edmunds 1961</bibRefCitation>
;
<bibRefCitation author="Bauernfeind, E" journalOrPublisher="Apollo Books, Ollerup" pageId="0" pageNumber="101" refId="B6" refString="Bauernfeind, E, Soldan, T, 2012. The Mayflies of Europe. . Apollo Books, Ollerup" title="The Mayflies of Europe." year="2012">
Bauernfeind and
<normalizedToken originalValue="Soldán">Soldan</normalizedToken>
2012
</bibRefCitation>
). However, differences between
<taxonomicName class="Insecta" family="Oligoneuriidae" genus="Oligoneuriella" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Oligoneuriella" order="Ephemeroptera" pageId="0" pageNumber="101" phylum="Arthropoda" rank="genus">
<emphasis italics="true" pageId="0" pageNumber="101">Oligoneuriella</emphasis>
</taxonomicName>
and
<taxonomicName class="Insecta" family="Oligoneuriidae" genus="Oligoneuriopsis" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Oligoneuriopsis" order="Ephemeroptera" pageId="0" pageNumber="101" phylum="Arthropoda" rank="genus">
<emphasis italics="true" pageId="0" pageNumber="101">Oligoneuriopsis</emphasis>
</taxonomicName>
are very subtle and the separation of these genera is not clear. The first description of the genus
<taxonomicName class="Insecta" family="Oligoneuriidae" genus="Oligoneuriopsis" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Oligoneuriopsis" order="Ephemeroptera" pageId="0" pageNumber="101" phylum="Arthropoda" rank="genus">
<emphasis italics="true" pageId="0" pageNumber="101">Oligoneuriopsis</emphasis>
</taxonomicName>
was published by
<bibRefCitation author="Crass, RS" journalOrPublisher="Annals of the Natal Museum" pageId="0" pageNumber="101" pagination="37 - 110" refId="B9" refString="Crass, RS, 1947. The May-flies (Ephemeroptera) of Natal and the Eastern Cape. . Annals of the Natal Museum 11: 37 - 110" title="The May-flies (Ephemeroptera) of Natal and the Eastern Cape." volume="11" year="1947">Crass (1947)</bibRefCitation>
, with the type species
<taxonomicName class="Insecta" family="Oligoneuriidae" genus="Oligoneuriopsis" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Oligoneuriopsis lawrencei" order="Ephemeroptera" pageId="0" pageNumber="101" phylum="Arthropoda" rank="species" species="lawrencei">
<emphasis italics="true" pageId="0" pageNumber="101">Oligoneuriopsis lawrencei</emphasis>
</taxonomicName>
Crass, 1947, mainly based on the adult stage. Its larva was not described in detail, but briefly commented as being identical to larvae described and depicted earlier by
<bibRefCitation author="Barnard, KH" journalOrPublisher="Annals of the South African Museum" pageId="0" pageNumber="101" pagination="609 - 661" refId="B5" refString="Barnard, KH, 1940. Additional records, and descriptions of new species, of South African alder-flies (Megaloptera), May-flies (Ephemeroptera), caddis-flies (Trichoptera), stone-flies (Perlaria), and dragon-flies (Odonata). . Annals of the South African Museum 32: 609 - 661" title="Additional records, and descriptions of new species, of South African alder-flies (Megaloptera), May-flies (Ephemeroptera), caddis-flies (Trichoptera), stone-flies (Perlaria), and dragon-flies (Odonata)." volume="32" year="1940">Barnard (1940)</bibRefCitation>
, who assigned them to &quot;
<taxonomicName class="Insecta" family="Oligoneuriidae" genus="Elassoneuria" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Elassoneuria trimeniana" order="Ephemeroptera" pageId="0" pageNumber="101" phylum="Arthropoda" rank="species" species="trimeniana">
<emphasis italics="true" pageId="0" pageNumber="101">Elassoneuria trimeniana</emphasis>
</taxonomicName>
&quot;. This opinion is followed by later authors, for example
<bibRefCitation author="Demoulin, G" journalOrPublisher="South African Animal Life" pageId="0" pageNumber="101" pagination="24 - 170" refId="B12" refString="Demoulin, G, 1970. Ephemeroptera des faunes Ethiopienne et malgache. . South African Animal Life 14: 24 - 170" title="Ephemeroptera des faunes Ethiopienne et malgache." volume="14" year="1970">Demoulin (1970)</bibRefCitation>
.
<bibRefCitation author="Edmunds, Jr GF" journalOrPublisher="Proceedings of the Entomological Society of Washington" pageId="0" pageNumber="101" pagination="255 - 256" refId="B13" refString="Edmunds, Jr GF, 1961. A key to the genera of known nymphs of the Oligoneuriidae (Ephemeroptera). . Proceedings of the Entomological Society of Washington 63: 255 - 256" title="A key to the genera of known nymphs of the Oligoneuriidae (Ephemeroptera)." volume="63" year="1961">Edmunds (1961)</bibRefCitation>
considered
<taxonomicName class="Insecta" family="Oligoneuriidae" genus="Oligoneuriopsis" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Oligoneuriopsis" order="Ephemeroptera" pageId="0" pageNumber="101" phylum="Arthropoda" rank="genus">
<emphasis italics="true" pageId="0" pageNumber="101">Oligoneuriopsis</emphasis>
</taxonomicName>
as closely related to
<taxonomicName class="Insecta" family="Oligoneuriidae" genus="Oligoneuriella" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Oligoneuriella" order="Ephemeroptera" pageId="0" pageNumber="101" phylum="Arthropoda" rank="genus">
<emphasis italics="true" pageId="0" pageNumber="101">Oligoneuriella</emphasis>
</taxonomicName>
. In the larval key to genera, the presence of the lamella of gill I in
<taxonomicName class="Insecta" family="Oligoneuriidae" genus="Oligoneuriella" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Oligoneuriella" order="Ephemeroptera" pageId="0" pageNumber="101" phylum="Arthropoda" rank="genus">
<emphasis italics="true" pageId="0" pageNumber="101">Oligoneuriella</emphasis>
</taxonomicName>
and its absence in
<taxonomicName class="Insecta" family="Oligoneuriidae" genus="Oligoneuriopsis" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Oligoneuriopsis" order="Ephemeroptera" pageId="0" pageNumber="101" phylum="Arthropoda" rank="genus">
<emphasis italics="true" pageId="0" pageNumber="101">Oligoneuriopsis</emphasis>
</taxonomicName>
was used as the crucial diagnostic character separating the genera (
<bibRefCitation author="Edmunds, Jr GF" journalOrPublisher="Proceedings of the Entomological Society of Washington" pageId="0" pageNumber="101" pagination="255 - 256" refId="B13" refString="Edmunds, Jr GF, 1961. A key to the genera of known nymphs of the Oligoneuriidae (Ephemeroptera). . Proceedings of the Entomological Society of Washington 63: 255 - 256" title="A key to the genera of known nymphs of the Oligoneuriidae (Ephemeroptera)." volume="63" year="1961">Edmunds 1961</bibRefCitation>
). Nevertheless,
<bibRefCitation DOI="https://doi.org/10.1007/978-1-4613-3066-0_29" author="Agnew, JD" editor="Flannigan, JF" pageId="0" pageNumber="101" refId="B2" refString="Agnew, JD, Flannigan, JF, Marshall, KE, 1980. Plenum Press, New York. https://doi.org/10.1007/978-1-4613-3066-0_29" title="Plenum Press, New York" url="https://doi.org/10.1007/978-1-4613-3066-0_29" year="1980">Agnew (1980)</bibRefCitation>
clearly stated that this character is not valid, since a small lamella is present also in
<taxonomicName class="Insecta" family="Oligoneuriidae" genus="Oligoneuriopsis" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Oligoneuriopsis" order="Ephemeroptera" pageId="0" pageNumber="101" phylum="Arthropoda" rank="genus">
<emphasis italics="true" pageId="0" pageNumber="101">Oligoneuriopsis</emphasis>
</taxonomicName>
, including the type species
<taxonomicName lsidName="O. lawrencei" pageId="0" pageNumber="101" rank="species" species="lawrencei">
<emphasis italics="true" pageId="0" pageNumber="101">O. lawrencei</emphasis>
</taxonomicName>
. Instead, he proposed the arrangement of the setae medially on abdominal sterna being more developed in
<taxonomicName class="Insecta" family="Oligoneuriidae" genus="Oligoneuriopsis" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Oligoneuriopsis" order="Ephemeroptera" pageId="0" pageNumber="101" phylum="Arthropoda" rank="genus">
<emphasis italics="true" pageId="0" pageNumber="101">Oligoneuriopsis</emphasis>
</taxonomicName>
than in
<taxonomicName class="Insecta" family="Oligoneuriidae" genus="Oligoneuriella" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Oligoneuriella" order="Ephemeroptera" pageId="0" pageNumber="101" phylum="Arthropoda" rank="genus">
<emphasis italics="true" pageId="0" pageNumber="101">Oligoneuriella</emphasis>
</taxonomicName>
as a reliable diagnostic character.
<bibRefCitation author="Bauernfeind, E" journalOrPublisher="Apollo Books, Ollerup" pageId="0" pageNumber="101" refId="B6" refString="Bauernfeind, E, Soldan, T, 2012. The Mayflies of Europe. . Apollo Books, Ollerup" title="The Mayflies of Europe." year="2012">
Bauernfeind and
<normalizedToken originalValue="Soldán">Soldan</normalizedToken>
(2012)
</bibRefCitation>
mentioned more conspicuous, very long setae medially on sterna, lamella of gill I reduced, membranous, and cerci with dark band in the middle as diagnostic for
<taxonomicName class="Insecta" family="Oligoneuriidae" genus="Oligoneuriopsis" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Oligoneuriopsis" order="Ephemeroptera" pageId="0" pageNumber="101" phylum="Arthropoda" rank="genus">
<emphasis italics="true" pageId="0" pageNumber="101">Oligoneuriopsis</emphasis>
</taxonomicName>
. In our view, the length of posteromedial setae on sterna probably mostly represents a reliable character, although it varies, and the setae are reported 3
<normalizedToken originalValue="6×">-6x</normalizedToken>
longer than wide in known species of
<taxonomicName class="Insecta" family="Oligoneuriidae" genus="Oligoneuriella" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Oligoneuriella" order="Ephemeroptera" pageId="0" pageNumber="101" phylum="Arthropoda" rank="genus">
<emphasis italics="true" pageId="0" pageNumber="101">Oligoneuriella</emphasis>
</taxonomicName>
(
<bibRefCitation DOI="https://doi.org/10.11646/zootaxa.4012.2.4" author="Sroka, P" journalOrPublisher="Zootaxa" pageId="0" pageNumber="101" pagination="329 - 350" refId="B20" refString="Sroka, P, Bojkova, J, Soldan, T, Godunko, RJ, 2015. New species of the genus Oligoneuriella Ulmer, 1924 (Ephemeroptera: Oligoneuriidae) from Turkey. . Zootaxa 4012: 329 - 350" title="New species of the genus Oligoneuriella Ulmer, 1924 (Ephemeroptera: Oligoneuriidae) from Turkey." url="https://doi.org/10.11646/zootaxa.4012.2.4" volume="4012" year="2015">Sroka et al. 2015</bibRefCitation>
) and even more than 10
<normalizedToken originalValue="×">x</normalizedToken>
longer than wide in
<taxonomicName class="Insecta" family="Oligoneuriidae" genus="Oligoneuriella" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Oligoneuriella tuberculata" order="Ephemeroptera" pageId="0" pageNumber="101" phylum="Arthropoda" rank="species" species="tuberculata">
<emphasis italics="true" pageId="0" pageNumber="101">Oligoneuriella tuberculata</emphasis>
</taxonomicName>
sp. nov., described above. However, in
<taxonomicName lsidName="O. villosus" pageId="0" pageNumber="101" rank="species" species="villosus">
<emphasis italics="true" pageId="0" pageNumber="101">O. villosus</emphasis>
</taxonomicName>
sp. nov., some of these setae are more than 20
<normalizedToken originalValue="×">x</normalizedToken>
longer than wide (
<figureCitation captionStart="Figure 8" captionStartId="F8" captionText="Figure 8. Oligoneuriopsis villosus sp. nov., larvae and eggs A general view of basal part of abdomen under SEM in ventral view B detail of setae on sternum IV C detail of setae on sternum IV under SEM D detail of setae on surface of terga E egg, general view F detail of egg chorionic structure. Scale bars: 1 mm (A); 0.1 mm (B, D); 0.5 mm (C); 0.05 mm (E); 0.01 mm (F)." figureDoi="10.3897/zookeys.872.36098.figure8" httpUri="https://binary.pensoft.net/fig/328179" pageId="0" pageNumber="101">Fig. 8B, C</figureCitation>
), which fulfils the criteria for
<taxonomicName class="Insecta" family="Oligoneuriidae" genus="Oligoneuriopsis" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Oligoneuriopsis" order="Ephemeroptera" pageId="0" pageNumber="101" phylum="Arthropoda" rank="genus">
<emphasis italics="true" pageId="0" pageNumber="101">Oligoneuriopsis</emphasis>
</taxonomicName>
and roughly also agrees with our observation of setae length in
<taxonomicName class="Insecta" family="Oligoneuriidae" genus="Oligoneuriopsis" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Oligoneuriopsis skhounate" order="Ephemeroptera" pageId="0" pageNumber="101" phylum="Arthropoda" rank="species" species="skhounate">
<emphasis italics="true" pageId="0" pageNumber="101">Oligoneuriopsis skhounate</emphasis>
</taxonomicName>
from North Africa. We observed that the lamella of gill I in
<taxonomicName lsidName="O. skhounate" pageId="0" pageNumber="101" rank="species" species="skhounate">
<emphasis italics="true" pageId="0" pageNumber="101">O. skhounate</emphasis>
</taxonomicName>
is small-sized compared to other gills, but structurally not different. The same condition applies also to
<taxonomicName lsidName="O. villosus" pageId="0" pageNumber="101" rank="species" species="villosus">
<emphasis italics="true" pageId="0" pageNumber="101">O. villosus</emphasis>
</taxonomicName>
sp. nov. (
<figureCitation captionStart="Figure 7" captionStartId="F7" captionText="Figure 7. Oligoneuriopsis villosus sp. nov., larvae, abdomen and gills A abdomen outline, male B abdomen outline, female C proximal portion of abdomen under SEM in lateral view D gill IV under SEM in dorsal view E gill IV under SEM in ventral view F gill plate I in dorsal view G gill plate I in ventral view H gill plate IV in dorsal view I gill plate IV in ventral view J gill plate VII in dorsal view K gill plate VII in ventral view. Scale bars: 1 mm (A, B); 0.5 mm (C); 0.2 mm (D-K). Same scale bar for F-K." figureDoi="10.3897/zookeys.872.36098.figure7" httpUri="https://binary.pensoft.net/fig/328178" pageId="0" pageNumber="101">Fig. 7C</figureCitation>
). A clearer morphological definition of
<taxonomicName class="Insecta" family="Oligoneuriidae" genus="Oligoneuriopsis" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Oligoneuriopsis" order="Ephemeroptera" pageId="0" pageNumber="101" phylum="Arthropoda" rank="genus">
<emphasis italics="true" pageId="0" pageNumber="101">Oligoneuriopsis</emphasis>
</taxonomicName>
would be possible after a more thorough study of the Afrotropical material, including the type species
<taxonomicName lsidName="O. lawrencei" pageId="0" pageNumber="101" rank="species" species="lawrencei">
<emphasis italics="true" pageId="0" pageNumber="101">O. lawrencei</emphasis>
</taxonomicName>
, as already pointed out by
<bibRefCitation author="Bauernfeind, E" journalOrPublisher="Apollo Books, Ollerup" pageId="0" pageNumber="101" refId="B6" refString="Bauernfeind, E, Soldan, T, 2012. The Mayflies of Europe. . Apollo Books, Ollerup" title="The Mayflies of Europe." year="2012">
Bauernfeind and
<normalizedToken originalValue="Soldán">Soldan</normalizedToken>
(2012)
</bibRefCitation>
. Ideally such a study should also include adults, since several adult characters separating
<taxonomicName class="Insecta" family="Oligoneuriidae" genus="Oligoneuriella" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Oligoneuriella" order="Ephemeroptera" pageId="0" pageNumber="101" phylum="Arthropoda" rank="genus">
<emphasis italics="true" pageId="0" pageNumber="101">Oligoneuriella</emphasis>
</taxonomicName>
from
<taxonomicName class="Insecta" family="Oligoneuriidae" genus="Oligoneuriopsis" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Oligoneuriopsis" order="Ephemeroptera" pageId="0" pageNumber="101" phylum="Arthropoda" rank="genus">
<emphasis italics="true" pageId="0" pageNumber="101">Oligoneuriopsis</emphasis>
</taxonomicName>
have been published, mostly concerning wing venation and male genitalia (
<bibRefCitation author="Bauernfeind, E" journalOrPublisher="Apollo Books, Ollerup" pageId="0" pageNumber="101" refId="B6" refString="Bauernfeind, E, Soldan, T, 2012. The Mayflies of Europe. . Apollo Books, Ollerup" title="The Mayflies of Europe." year="2012">
Bauernfeind and
<normalizedToken originalValue="Soldán">Soldan</normalizedToken>
2012
</bibRefCitation>
).
</paragraph>
<paragraph pageId="0" pageNumber="101">
At this time, we consider it justified to assign the new species to
<taxonomicName class="Insecta" family="Oligoneuriidae" genus="Oligoneuriopsis" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Oligoneuriopsis" order="Ephemeroptera" pageId="0" pageNumber="101" phylum="Arthropoda" rank="genus">
<emphasis italics="true" pageId="0" pageNumber="101">Oligoneuriopsis</emphasis>
</taxonomicName>
based on following characters shared with
<taxonomicName lsidName="O. skhounate" pageId="0" pageNumber="101" rank="species" species="skhounate">
<emphasis italics="true" pageId="0" pageNumber="101">O. skhounate</emphasis>
</taxonomicName>
(and presumably also with other Afrotropical representatives of
<taxonomicName class="Insecta" family="Oligoneuriidae" genus="Oligoneuriopsis" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Oligoneuriopsis" order="Ephemeroptera" pageId="0" pageNumber="101" phylum="Arthropoda" rank="genus">
<emphasis italics="true" pageId="0" pageNumber="101">Oligoneuriopsis</emphasis>
</taxonomicName>
): (i) setae posteromedially on abdominal sterna very long, some more than 20
<normalizedToken originalValue="×">x</normalizedToken>
longer than wide; (ii) lamella of gill I significantly smaller than remaining gill pairs; and (iii) row of setae along entire length of posterior margin of femora and outer margin of tibiae on middle and hind legs. The second and third characters are also depicted in the figures provided by
<bibRefCitation author="Barnard, KH" journalOrPublisher="Annals of the South African Museum" pageId="0" pageNumber="101" pagination="609 - 661" refId="B5" refString="Barnard, KH, 1940. Additional records, and descriptions of new species, of South African alder-flies (Megaloptera), May-flies (Ephemeroptera), caddis-flies (Trichoptera), stone-flies (Perlaria), and dragon-flies (Odonata). . Annals of the South African Museum 32: 609 - 661" title="Additional records, and descriptions of new species, of South African alder-flies (Megaloptera), May-flies (Ephemeroptera), caddis-flies (Trichoptera), stone-flies (Perlaria), and dragon-flies (Odonata)." volume="32" year="1940">Barnard (1940)</bibRefCitation>
, presumably representing the larva of
<taxonomicName lsidName="O. lawrencei" pageId="0" pageNumber="101" rank="species" species="lawrencei">
<emphasis italics="true" pageId="0" pageNumber="101">O. lawrencei</emphasis>
</taxonomicName>
, which supports their diagnostic value for the separation of
<taxonomicName class="Insecta" family="Oligoneuriidae" genus="Oligoneuriopsis" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Oligoneuriopsis" order="Ephemeroptera" pageId="0" pageNumber="101" phylum="Arthropoda" rank="genus">
<emphasis italics="true" pageId="0" pageNumber="101">Oligoneuriopsis</emphasis>
</taxonomicName>
from
<taxonomicName class="Insecta" family="Oligoneuriidae" genus="Oligoneuriella" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Oligoneuriella" order="Ephemeroptera" pageId="0" pageNumber="101" phylum="Arthropoda" rank="genus">
<emphasis italics="true" pageId="0" pageNumber="101">Oligoneuriella</emphasis>
</taxonomicName>
.
</paragraph>
<paragraph pageId="0" pageNumber="101">
In the genus
<taxonomicName class="Insecta" family="Oligoneuriidae" genus="Oligoneuriopsis" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Oligoneuriopsis" order="Ephemeroptera" pageId="0" pageNumber="101" phylum="Arthropoda" rank="genus">
<emphasis italics="true" pageId="0" pageNumber="101">Oligoneuriopsis</emphasis>
</taxonomicName>
, six species have been described up to now (
<bibRefCitation author="Bauernfeind, E" journalOrPublisher="Apollo Books, Ollerup" pageId="0" pageNumber="101" refId="B6" refString="Bauernfeind, E, Soldan, T, 2012. The Mayflies of Europe. . Apollo Books, Ollerup" title="The Mayflies of Europe." year="2012">
Bauernfeind and
<normalizedToken originalValue="Soldán">Soldan</normalizedToken>
2012
</bibRefCitation>
). Five of them are distributed exclusively in the Afrotropics; only a single species,
<taxonomicName lsidName="O. skhounate" pageId="0" pageNumber="101" rank="species" species="skhounate">
<emphasis italics="true" pageId="0" pageNumber="101">O. skhounate</emphasis>
</taxonomicName>
, occurs also in the Palaearctic (North Africa and the Iberian Peninsula). The occurrence of Afrotropical species in Iran is extremely unlikely (even more when taking into account that most species are known from South Africa only). Nevertheless, all these species can be morphologically distinguished from
<taxonomicName lsidName="O. villosus" pageId="0" pageNumber="101" rank="species" species="villosus">
<emphasis italics="true" pageId="0" pageNumber="101">O. villosus</emphasis>
</taxonomicName>
sp. nov. (except
<taxonomicName lsidName="O. dobbsi" pageId="0" pageNumber="101" rank="species" species="dobbsi">
<emphasis italics="true" pageId="0" pageNumber="101">O. dobbsi</emphasis>
</taxonomicName>
(Eaton, 1912) with unknown larva).
</paragraph>
<paragraph pageId="0" pageNumber="101">
<taxonomicName class="Insecta" family="Oligoneuriidae" genus="Oligoneuriopsis" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Oligoneuriopsis lawrencei" order="Ephemeroptera" pageId="0" pageNumber="101" phylum="Arthropoda" rank="species" species="lawrencei">
<emphasis italics="true" pageId="0" pageNumber="101">Oligoneuriopsis lawrencei</emphasis>
</taxonomicName>
Crass, 1947 differs in the shape of head, widest anterior to the eyes (
<bibRefCitation pageId="0" pageNumber="101" refId="B1">Agnew 1973</bibRefCitation>
, fig. 1) contrary to
<taxonomicName lsidName="O. villosus" pageId="0" pageNumber="101" rank="species" species="villosus">
<emphasis italics="true" pageId="0" pageNumber="101">O. villosus</emphasis>
</taxonomicName>
sp. nov. with the head widest across posterolateral corners (
<figureCitation captionStart="Figure 5" captionStartId="F5" captionText="Figure 5. Oligoneuriopsis villosus sp. nov., larvae A habitus in dorsal view B habitus in ventral view C head of male in lateral view D head of male in dorsal view E head of female in lateral view F head of female in dorsal view G detail of setae on distal part of labial palp segment I in dorsal view H-I setae on paraglossae in ventral view J detail of basal portion of paraglossae under SEM in ventral view. Scale bars: 5 mm (A, B); 1 mm (C-F); 0.2 mm (G-J). Same scale bar for C and D. Same scale bar for E and F." figureDoi="10.3897/zookeys.872.36098.figure5" httpUri="https://binary.pensoft.net/fig/328176" pageId="0" pageNumber="101">Fig. 5D, F</figureCitation>
). Furthermore,
<taxonomicName lsidName="O. lawrencei" pageId="0" pageNumber="101" rank="species" species="lawrencei">
<emphasis italics="true" pageId="0" pageNumber="101">O. lawrencei</emphasis>
</taxonomicName>
possesses very long setae on margin of gill plates (
<bibRefCitation DOI="https://doi.org/10.1007/978-1-4613-3066-0_29" author="Agnew, JD" editor="Flannigan, JF" pageId="0" pageNumber="101" refId="B2" refString="Agnew, JD, Flannigan, JF, Marshall, KE, 1980. Plenum Press, New York. https://doi.org/10.1007/978-1-4613-3066-0_29" title="Plenum Press, New York" url="https://doi.org/10.1007/978-1-4613-3066-0_29" year="1980">Agnew 1980</bibRefCitation>
, fig. 8).
<taxonomicName lsidName="O. jessicae" pageId="0" pageNumber="101" rank="species" species="jessicae">
<emphasis italics="true" pageId="0" pageNumber="101">O. jessicae</emphasis>
</taxonomicName>
Agnew, 1973 profoundly differs by having posteromedial spine-like projections on abdominal terga (
<bibRefCitation pageId="0" pageNumber="101" refId="B1">Agnew 1973</bibRefCitation>
, fig. 1), missing in
<taxonomicName lsidName="O. villosus" pageId="0" pageNumber="101" rank="species" species="villosus">
<emphasis italics="true" pageId="0" pageNumber="101">O. villosus</emphasis>
</taxonomicName>
sp. nov. (
<figureCitation captionStart="Figure 5" captionStartId="F5" captionText="Figure 5. Oligoneuriopsis villosus sp. nov., larvae A habitus in dorsal view B habitus in ventral view C head of male in lateral view D head of male in dorsal view E head of female in lateral view F head of female in dorsal view G detail of setae on distal part of labial palp segment I in dorsal view H-I setae on paraglossae in ventral view J detail of basal portion of paraglossae under SEM in ventral view. Scale bars: 5 mm (A, B); 1 mm (C-F); 0.2 mm (G-J). Same scale bar for C and D. Same scale bar for E and F." figureDoi="10.3897/zookeys.872.36098.figure5" httpUri="https://binary.pensoft.net/fig/328176" pageId="0" pageNumber="101">Fig. 5A</figureCitation>
).
<taxonomicName lsidName="O. elisabethae" pageId="0" pageNumber="101" rank="species" species="elisabethae">
<emphasis italics="true" pageId="0" pageNumber="101">O. elisabethae</emphasis>
</taxonomicName>
Agnew, 1973 differs from
<taxonomicName lsidName="O. villosus" pageId="0" pageNumber="101" rank="species" species="villosus">
<emphasis italics="true" pageId="0" pageNumber="101">O. villosus</emphasis>
</taxonomicName>
sp. nov. in colouration.
<taxonomicName lsidName="O. elisabethae" pageId="0" pageNumber="101" rank="species" species="elisabethae">
<emphasis italics="true" pageId="0" pageNumber="101">O. elisabethae</emphasis>
</taxonomicName>
exhibits a uniform light brown colour, without any indication of an abdominal pattern (
<bibRefCitation pageId="0" pageNumber="101" refId="B1">Agnew 1973</bibRefCitation>
), whereas
<taxonomicName lsidName="O. villosus" pageId="0" pageNumber="101" rank="species" species="villosus">
<emphasis italics="true" pageId="0" pageNumber="101">O. villosus</emphasis>
</taxonomicName>
sp. nov. possesses a distinct pair of submedian, smudged, yellowish spots and a conspicuous, sublateral, yellowish pattern on the dorsal side of abdomen (
<figureCitation captionStart="Figure 5" captionStartId="F5" captionText="Figure 5. Oligoneuriopsis villosus sp. nov., larvae A habitus in dorsal view B habitus in ventral view C head of male in lateral view D head of male in dorsal view E head of female in lateral view F head of female in dorsal view G detail of setae on distal part of labial palp segment I in dorsal view H-I setae on paraglossae in ventral view J detail of basal portion of paraglossae under SEM in ventral view. Scale bars: 5 mm (A, B); 1 mm (C-F); 0.2 mm (G-J). Same scale bar for C and D. Same scale bar for E and F." figureDoi="10.3897/zookeys.872.36098.figure5" httpUri="https://binary.pensoft.net/fig/328176" pageId="0" pageNumber="101">Fig. 5A</figureCitation>
).
</paragraph>
<paragraph pageId="0" pageNumber="101">
The nearest distributed congeneric species
<taxonomicName lsidName="O. skhounate" pageId="0" pageNumber="101" rank="species" species="skhounate">
<emphasis italics="true" pageId="0" pageNumber="101">O. skhounate</emphasis>
</taxonomicName>
is morphologically similar to
<taxonomicName lsidName="O. villosus" pageId="0" pageNumber="101" rank="species" species="villosus">
<emphasis italics="true" pageId="0" pageNumber="101">O. villosus</emphasis>
</taxonomicName>
sp. nov. It even shares the colouration pattern of legs with alternating darker and lighter bands (
<figureCitation captionStart="Figure 5" captionStartId="F5" captionText="Figure 5. Oligoneuriopsis villosus sp. nov., larvae A habitus in dorsal view B habitus in ventral view C head of male in lateral view D head of male in dorsal view E head of female in lateral view F head of female in dorsal view G detail of setae on distal part of labial palp segment I in dorsal view H-I setae on paraglossae in ventral view J detail of basal portion of paraglossae under SEM in ventral view. Scale bars: 5 mm (A, B); 1 mm (C-F); 0.2 mm (G-J). Same scale bar for C and D. Same scale bar for E and F." figureDoi="10.3897/zookeys.872.36098.figure5" httpUri="https://binary.pensoft.net/fig/328176" pageId="0" pageNumber="101">Fig. 5B</figureCitation>
;
<bibRefCitation author="Dakki, M" journalOrPublisher="Bulletin de l'Institut Scientifique (Rabat)" pageId="0" pageNumber="101" pagination="13 - 28" refId="B10" refString="Dakki, M, Giudicelli, J, 1980. Ephemeropteres d'Afrique du Nord. 2 - Description d'Oligoneuriellaskoura n. sp. et d'Oligoneuriopsisskhounate n. sp., avec notes sur leur ecologie (Ephem., Oligoneuriidae). . Bulletin de l'Institut Scientifique (Rabat) 4: 13 - 28" title="Ephemeropteres d'Afrique du Nord. 2 - Description d'Oligoneuriellaskoura n. sp. et d'Oligoneuriopsisskhounate n. sp., avec notes sur leur ecologie (Ephem., Oligoneuriidae)." volume="4" year="1980">Dakki and Giudicelli 1980</bibRefCitation>
, figs 28, 29). Nevertheless, several morphological characters allow the separation of these two species: (i) setae on the surface of gills and terga are shorter in
<taxonomicName lsidName="O. skhounate" pageId="0" pageNumber="101" rank="species" species="skhounate">
<emphasis italics="true" pageId="0" pageNumber="101">O. skhounate</emphasis>
</taxonomicName>
, longer and more pointed in
<taxonomicName lsidName="O. villosus" pageId="0" pageNumber="101" rank="species" species="villosus">
<emphasis italics="true" pageId="0" pageNumber="101">O. villosus</emphasis>
</taxonomicName>
sp. nov. (
<figureCitation captionStart="Figure 8" captionStartId="F8" captionText="Figure 8. Oligoneuriopsis villosus sp. nov., larvae and eggs A general view of basal part of abdomen under SEM in ventral view B detail of setae on sternum IV C detail of setae on sternum IV under SEM D detail of setae on surface of terga E egg, general view F detail of egg chorionic structure. Scale bars: 1 mm (A); 0.1 mm (B, D); 0.5 mm (C); 0.05 mm (E); 0.01 mm (F)." figureDoi="10.3897/zookeys.872.36098.figure8" httpUri="https://binary.pensoft.net/fig/328179" pageId="0" pageNumber="101">Fig. 8D</figureCitation>
); (ii) colouration is different, prominent posteromedian pale spot on terga in
<taxonomicName lsidName="O. skhounate" pageId="0" pageNumber="101" rank="species" species="skhounate">
<emphasis italics="true" pageId="0" pageNumber="101">O. skhounate</emphasis>
</taxonomicName>
(
<bibRefCitation author="Dakki, M" journalOrPublisher="Bulletin de l'Institut Scientifique (Rabat)" pageId="0" pageNumber="101" pagination="13 - 28" refId="B10" refString="Dakki, M, Giudicelli, J, 1980. Ephemeropteres d'Afrique du Nord. 2 - Description d'Oligoneuriellaskoura n. sp. et d'Oligoneuriopsisskhounate n. sp., avec notes sur leur ecologie (Ephem., Oligoneuriidae). . Bulletin de l'Institut Scientifique (Rabat) 4: 13 - 28" title="Ephemeropteres d'Afrique du Nord. 2 - Description d'Oligoneuriellaskoura n. sp. et d'Oligoneuriopsisskhounate n. sp., avec notes sur leur ecologie (Ephem., Oligoneuriidae)." volume="4" year="1980">Dakki and Giudicelli 1980</bibRefCitation>
, fig. 20) is missing in
<taxonomicName lsidName="O. villosus" pageId="0" pageNumber="101" rank="species" species="villosus">
<emphasis italics="true" pageId="0" pageNumber="101">O. villosus</emphasis>
</taxonomicName>
sp. nov. (
<figureCitation captionStart="Figure 5" captionStartId="F5" captionText="Figure 5. Oligoneuriopsis villosus sp. nov., larvae A habitus in dorsal view B habitus in ventral view C head of male in lateral view D head of male in dorsal view E head of female in lateral view F head of female in dorsal view G detail of setae on distal part of labial palp segment I in dorsal view H-I setae on paraglossae in ventral view J detail of basal portion of paraglossae under SEM in ventral view. Scale bars: 5 mm (A, B); 1 mm (C-F); 0.2 mm (G-J). Same scale bar for C and D. Same scale bar for E and F." figureDoi="10.3897/zookeys.872.36098.figure5" httpUri="https://binary.pensoft.net/fig/328176" pageId="0" pageNumber="101">Fig. 5A</figureCitation>
). Moreover, the dark band at half length of caudal filaments, depicted for
<taxonomicName lsidName="O. skhounate" pageId="0" pageNumber="101" rank="species" species="skhounate">
<emphasis italics="true" pageId="0" pageNumber="101">O. skhounate</emphasis>
</taxonomicName>
(
<bibRefCitation author="Dakki, M" journalOrPublisher="Bulletin de l'Institut Scientifique (Rabat)" pageId="0" pageNumber="101" pagination="13 - 28" refId="B10" refString="Dakki, M, Giudicelli, J, 1980. Ephemeropteres d'Afrique du Nord. 2 - Description d'Oligoneuriellaskoura n. sp. et d'Oligoneuriopsisskhounate n. sp., avec notes sur leur ecologie (Ephem., Oligoneuriidae). . Bulletin de l'Institut Scientifique (Rabat) 4: 13 - 28" title="Ephemeropteres d'Afrique du Nord. 2 - Description d'Oligoneuriellaskoura n. sp. et d'Oligoneuriopsisskhounate n. sp., avec notes sur leur ecologie (Ephem., Oligoneuriidae)." volume="4" year="1980">Dakki and Giudicelli 1980</bibRefCitation>
; fig. 20), is also missing in
<taxonomicName lsidName="O. villosus" pageId="0" pageNumber="101" rank="species" species="villosus">
<emphasis italics="true" pageId="0" pageNumber="101">O. villosus</emphasis>
</taxonomicName>
sp. nov. (
<figureCitation captionStart="Figure 5" captionStartId="F5" captionText="Figure 5. Oligoneuriopsis villosus sp. nov., larvae A habitus in dorsal view B habitus in ventral view C head of male in lateral view D head of male in dorsal view E head of female in lateral view F head of female in dorsal view G detail of setae on distal part of labial palp segment I in dorsal view H-I setae on paraglossae in ventral view J detail of basal portion of paraglossae under SEM in ventral view. Scale bars: 5 mm (A, B); 1 mm (C-F); 0.2 mm (G-J). Same scale bar for C and D. Same scale bar for E and F." figureDoi="10.3897/zookeys.872.36098.figure5" httpUri="https://binary.pensoft.net/fig/328176" pageId="0" pageNumber="101">Fig. 5A, B</figureCitation>
); (iii) in
<taxonomicName lsidName="O. skhounate" pageId="0" pageNumber="101" rank="species" species="skhounate">
<emphasis italics="true" pageId="0" pageNumber="101">O. skhounate</emphasis>
</taxonomicName>
, posterolateral projections of abdominal segments are oriented parallel to the body axis, and lateral margins of individual segments are convex (
<bibRefCitation author="Dakki, M" journalOrPublisher="Bulletin de l'Institut Scientifique (Rabat)" pageId="0" pageNumber="101" pagination="13 - 28" refId="B10" refString="Dakki, M, Giudicelli, J, 1980. Ephemeropteres d'Afrique du Nord. 2 - Description d'Oligoneuriellaskoura n. sp. et d'Oligoneuriopsisskhounate n. sp., avec notes sur leur ecologie (Ephem., Oligoneuriidae). . Bulletin de l'Institut Scientifique (Rabat) 4: 13 - 28" title="Ephemeropteres d'Afrique du Nord. 2 - Description d'Oligoneuriellaskoura n. sp. et d'Oligoneuriopsisskhounate n. sp., avec notes sur leur ecologie (Ephem., Oligoneuriidae)." volume="4" year="1980">Dakki and Giudicelli 1980</bibRefCitation>
, fig. 20). In
<taxonomicName lsidName="O. villosus" pageId="0" pageNumber="101" rank="species" species="villosus">
<emphasis italics="true" pageId="0" pageNumber="101">O. villosus</emphasis>
</taxonomicName>
sp. nov., posterolateral projections of abdominal segments are diverging from the body axis, with lateral margins straight or slightly concave (
<figureCitation captionStart="Figure 7" captionStartId="F7" captionText="Figure 7. Oligoneuriopsis villosus sp. nov., larvae, abdomen and gills A abdomen outline, male B abdomen outline, female C proximal portion of abdomen under SEM in lateral view D gill IV under SEM in dorsal view E gill IV under SEM in ventral view F gill plate I in dorsal view G gill plate I in ventral view H gill plate IV in dorsal view I gill plate IV in ventral view J gill plate VII in dorsal view K gill plate VII in ventral view. Scale bars: 1 mm (A, B); 0.5 mm (C); 0.2 mm (D-K). Same scale bar for F-K." figureDoi="10.3897/zookeys.872.36098.figure7" httpUri="https://binary.pensoft.net/fig/328178" pageId="0" pageNumber="101">Fig. 7A, B</figureCitation>
).
</paragraph>
<paragraph pageId="0" pageNumber="101">
<bibRefCitation author="Al-Zubaidi, F" journalOrPublisher="Journal of Biological Sciences Research" pageId="0" pageNumber="101" pagination="147 - 151" refId="B3" refString="Al-Zubaidi, F, Al-Kayatt, A, 1986. A preliminary survey of mayflies from the north of Iraq. . Journal of Biological Sciences Research 17: 147 - 151" title="A preliminary survey of mayflies from the north of Iraq." volume="17" year="1986">Al-Zubaidi and Al-Kayatt (1986)</bibRefCitation>
without further details already reported findings of
<taxonomicName class="Insecta" family="Oligoneuriidae" genus="Oligoneuriopsis" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Oligoneuriopsis" order="Ephemeroptera" pageId="0" pageNumber="101" phylum="Arthropoda" rank="genus">
<emphasis italics="true" pageId="0" pageNumber="101">Oligoneuriopsis</emphasis>
</taxonomicName>
sp. from north Iraq. An unidentified species of
<taxonomicName class="Insecta" family="Oligoneuriidae" genus="Oligoneuriopsis" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Oligoneuriopsis" order="Ephemeroptera" pageId="0" pageNumber="101" phylum="Arthropoda" rank="genus">
<emphasis italics="true" pageId="0" pageNumber="101">Oligoneuriopsis</emphasis>
</taxonomicName>
was also collected recently from the same area and deposited in the Bold database as
<taxonomicName class="Insecta" family="Oligoneuriidae" genus="Oligoneuriopsis" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Oligoneuriopsis" order="Ephemeroptera" pageId="0" pageNumber="101" phylum="Arthropoda" rank="genus">
<emphasis italics="true" pageId="0" pageNumber="101">Oligoneuriopsis</emphasis>
</taxonomicName>
sp. MAA01. This record contains two barcode sequences, which are not publicly accessible, but exhibiting 90.03-90.63% similarity to the haplotypes of
<taxonomicName lsidName="O. villosus" pageId="0" pageNumber="101" rank="species" species="villosus">
<emphasis italics="true" pageId="0" pageNumber="101">O. villosus</emphasis>
</taxonomicName>
sp. nov. sequenced in the present study. This level of similarity rather corresponds with interspecific distances found in
<taxonomicName family="Oligoneuriidae" lsidName="" pageId="0" pageNumber="101" rank="family">Oligoneuriidae</taxonomicName>
(see
<figureCitation captionStart="Figure 11" captionStartId="F11" captionText="Figure 11. Results of the molecular species delimitation: A maximum clade credibility COI gene tree. The red branches represent species delimited by GMYC. Columns on the right illustrate groups delimited by both approaches used B lineage through time plot, generated by GMYC. The red vertical line indicates the threshold time between inter- and intraspecific branching C distribution of distances calculated by ABGD." figureDoi="10.3897/zookeys.872.36098.figure11" httpUri="https://binary.pensoft.net/fig/328182" pageId="0" pageNumber="101">Fig. 11C</figureCitation>
). Therefore, we may assume the existence of more
<taxonomicName class="Insecta" family="Oligoneuriidae" genus="Oligoneuriopsis" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Oligoneuriopsis" order="Ephemeroptera" pageId="0" pageNumber="101" phylum="Arthropoda" rank="genus">
<emphasis italics="true" pageId="0" pageNumber="101">Oligoneuriopsis</emphasis>
</taxonomicName>
species in the Middle East.
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="101" type="molecular species delimitation">
<paragraph pageId="0" pageNumber="101">Molecular species delimitation.</paragraph>
<paragraph pageId="0" pageNumber="101">
The ABGD analysis of the COI distance matrix generated 11 stable groups (
<figureCitation captionStart="Figure 11" captionStartId="F11" captionText="Figure 11. Results of the molecular species delimitation: A maximum clade credibility COI gene tree. The red branches represent species delimited by GMYC. Columns on the right illustrate groups delimited by both approaches used B lineage through time plot, generated by GMYC. The red vertical line indicates the threshold time between inter- and intraspecific branching C distribution of distances calculated by ABGD." figureDoi="10.3897/zookeys.872.36098.figure11" httpUri="https://binary.pensoft.net/fig/328182" pageId="0" pageNumber="101">Fig. 11A</figureCitation>
). The mean genetic distances within groups generated by ABGD ranged between 0.003 and 0.011 and the mean distances between groups between 0.060 and 0.234; for the histogram of distances see
<figureCitation captionStart="Figure 11" captionStartId="F11" captionText="Figure 11. Results of the molecular species delimitation: A maximum clade credibility COI gene tree. The red branches represent species delimited by GMYC. Columns on the right illustrate groups delimited by both approaches used B lineage through time plot, generated by GMYC. The red vertical line indicates the threshold time between inter- and intraspecific branching C distribution of distances calculated by ABGD." figureDoi="10.3897/zookeys.872.36098.figure11" httpUri="https://binary.pensoft.net/fig/328182" pageId="0" pageNumber="101">Fig. 11C</figureCitation>
.
</paragraph>
<paragraph pageId="0" pageNumber="101">
The GMYC model recognised 11 ML entities, with confidence interval 11-11 (
<figureCitation captionStart="Figure 11" captionStartId="F11" captionText="Figure 11. Results of the molecular species delimitation: A maximum clade credibility COI gene tree. The red branches represent species delimited by GMYC. Columns on the right illustrate groups delimited by both approaches used B lineage through time plot, generated by GMYC. The red vertical line indicates the threshold time between inter- and intraspecific branching C distribution of distances calculated by ABGD." figureDoi="10.3897/zookeys.872.36098.figure11" httpUri="https://binary.pensoft.net/fig/328182" pageId="0" pageNumber="101">Fig. 11A, B</figureCitation>
). We used single threshold GMYC, since multiple threshold is prone to over splitting species that are not evenly sampled throughout its distributional area (
<bibRefCitation DOI="https://doi.org/10.1093/sysbio/syt033" author="Fujisawa, T" journalOrPublisher="Systematic Biology" pageId="0" pageNumber="101" pagination="707 - 724" refId="B14" refString="Fujisawa, T, Barraclough, TG, 2013. Delimiting Species Using Single-Locus Data and the Generalized Mixed Yule Coalescent Approach: A Revised Method and Evaluation on Simulated Data Sets. . Systematic Biology 62: 707 - 724" title="Delimiting Species Using Single-Locus Data and the Generalized Mixed Yule Coalescent Approach: A Revised Method and Evaluation on Simulated Data Sets." url="https://doi.org/10.1093/sysbio/syt033" volume="62" year="2013">Fujisawa and Barraclough 2013</bibRefCitation>
;
<bibRefCitation DOI="https://doi.org/10.11646/zootaxa.4550.1.2" author="Hrivniak, Ľ" journalOrPublisher="Zootaxa" pageId="0" pageNumber="101" pagination="58 - 70" refId="B15" refString="Hrivniak, Ľ, Sroka, P, Tuerkmen, G, Godunko, RJ, Kazanci, N, 2019. A new Epeorus (Caucasiron) (Ephemeroptera: Heptageniidae) species from Turkey based on molecular and morphological evidence. . Zootaxa 4550: 58 - 70" title="A new Epeorus (Caucasiron) (Ephemeroptera: Heptageniidae) species from Turkey based on molecular and morphological evidence." url="https://doi.org/10.11646/zootaxa.4550.1.2" volume="4550" year="2019">Hrivniak et al. 2019</bibRefCitation>
). The Maximum Likelihood of GMYC model was 197.4186, compared to the likelihood of the null model 181.5407. The likelihood ratio test significantly rejected the null model expecting uniform coalescent branching rates across entire tree (likelihood ratio=31.75579, p=1.271505e-07).
</paragraph>
<caption doi="10.3897/zookeys.872.36098.figure11" httpUri="https://binary.pensoft.net/fig/328182" pageId="0" pageNumber="101" start="Figure 11" startId="F11">
<paragraph pageId="0" pageNumber="101">
Figure 11. Results of the molecular species delimitation:
<emphasis bold="true" pageId="0" pageNumber="101">A</emphasis>
maximum clade credibility COI gene tree. The red branches represent species delimited by GMYC. Columns on the right illustrate groups delimited by both approaches used
<emphasis bold="true" pageId="0" pageNumber="101">B</emphasis>
lineage through time plot, generated by GMYC. The red vertical line indicates the threshold time between inter- and intraspecific branching
<emphasis bold="true" pageId="0" pageNumber="101">C</emphasis>
distribution of distances calculated by ABGD.
</paragraph>
</caption>
<paragraph pageId="0" pageNumber="101">
The clusters delimited as distinct species were congruent in both approaches. Both methods of the molecular species delimitation also unambiguously supported the designation of
<taxonomicName lsidName="O. tuberculata" pageId="0" pageNumber="101" rank="species" species="tuberculata">
<emphasis italics="true" pageId="0" pageNumber="101">O. tuberculata</emphasis>
</taxonomicName>
sp. nov. and
<taxonomicName lsidName="O. villosus" pageId="0" pageNumber="101" rank="species" species="villosus">
<emphasis italics="true" pageId="0" pageNumber="101">O. villosus</emphasis>
</taxonomicName>
sp. nov., which were recovered as distinct units in both analytical approaches. Apart from the two new species described herein, previously known species recognised as distinct entities in both ABGD and GMYC included
<taxonomicName lsidName="O. pallida" pageId="0" pageNumber="101" rank="species" species="pallida">
<emphasis italics="true" pageId="0" pageNumber="101">O. pallida</emphasis>
</taxonomicName>
,
<taxonomicName lsidName="O. bicaudata" pageId="0" pageNumber="101" rank="species" species="bicaudata">
<emphasis italics="true" pageId="0" pageNumber="101">O. bicaudata</emphasis>
</taxonomicName>
,
<taxonomicName lsidName="O. tskhomelidzei" pageId="0" pageNumber="101" rank="species" species="tskhomelidzei">
<emphasis italics="true" pageId="0" pageNumber="101">O. tskhomelidzei</emphasis>
</taxonomicName>
, and
<taxonomicName lsidName="O. skhounate" pageId="0" pageNumber="101" rank="species" species="skhounate">
<emphasis italics="true" pageId="0" pageNumber="101">O. skhounate</emphasis>
</taxonomicName>
. The species identified morphologically as
<taxonomicName lsidName="O. rhenana" pageId="0" pageNumber="101" rank="species" species="rhenana">
<emphasis italics="true" pageId="0" pageNumber="101">O. rhenana</emphasis>
</taxonomicName>
was split into three putative COI species, which indicates that this widely distributed taxon (occurring in most of Europe, see
<bibRefCitation author="Bauernfeind, E" journalOrPublisher="Apollo Books, Ollerup" pageId="0" pageNumber="101" refId="B6" refString="Bauernfeind, E, Soldan, T, 2012. The Mayflies of Europe. . Apollo Books, Ollerup" title="The Mayflies of Europe." year="2012">
Bauernfeind and
<normalizedToken originalValue="Soldán">Soldan</normalizedToken>
2012
</bibRefCitation>
) actually represents a species complex. The putative cryptic species within
<taxonomicName lsidName="O. rhenana" pageId="0" pageNumber="101" rank="species" species="rhenana">
<emphasis italics="true" pageId="0" pageNumber="101">O. rhenana</emphasis>
</taxonomicName>
were left undescribed for the moment, since extensive material was not at our disposal. Within the dataset, a further two unidentified putative species were recognised, one from China and one from Iraq. These clusters possibly represented a further two undescribed species, left unnamed for the time being.
</paragraph>
<paragraph pageId="0" pageNumber="101">
The analysis of COI corroborated the affinity of
<taxonomicName lsidName="O. villosus" pageId="0" pageNumber="101" rank="species" species="villosus">
<emphasis italics="true" pageId="0" pageNumber="101">O. villosus</emphasis>
</taxonomicName>
sp. nov. to
<taxonomicName class="Insecta" family="Oligoneuriidae" genus="Oligoneuriopsis" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Oligoneuriopsis" order="Ephemeroptera" pageId="0" pageNumber="101" phylum="Arthropoda" rank="genus">
<emphasis italics="true" pageId="0" pageNumber="101">Oligoneuriopsis</emphasis>
</taxonomicName>
. From the taxa included,
<taxonomicName lsidName="O. villosus" pageId="0" pageNumber="101" rank="species" species="villosus">
<emphasis italics="true" pageId="0" pageNumber="101">O. villosus</emphasis>
</taxonomicName>
sp. nov. exhibited the highest sequence similarity with
<taxonomicName lsidName="O. skhounate" pageId="0" pageNumber="101" rank="species" species="skhounate">
<emphasis italics="true" pageId="0" pageNumber="101">O. skhounate</emphasis>
</taxonomicName>
from Southern Spain. However, the distance between
<taxonomicName lsidName="O. villosus" pageId="0" pageNumber="101" rank="species" species="villosus">
<emphasis italics="true" pageId="0" pageNumber="101">O. villosus</emphasis>
</taxonomicName>
sp. nov. and
<taxonomicName lsidName="O. skhounate" pageId="0" pageNumber="101" rank="species" species="skhounate">
<emphasis italics="true" pageId="0" pageNumber="101">O. skhounate</emphasis>
</taxonomicName>
clearly separated them into two distinct species. Regarding the affinities of
<taxonomicName lsidName="O. tuberculata" pageId="0" pageNumber="101" rank="species" species="tuberculata">
<emphasis italics="true" pageId="0" pageNumber="101">O. tuberculata</emphasis>
</taxonomicName>
sp. nov.,
<taxonomicName lsidName="O. bicaudata" pageId="0" pageNumber="101" rank="species" species="bicaudata">
<emphasis italics="true" pageId="0" pageNumber="101">O. bicaudata</emphasis>
</taxonomicName>
was recovered as the most closely related species from the ones sequenced, which is in accordance with the morphological character distributions.
</paragraph>
</subSubSection>
</treatment>
</document>