<document ID-DOI="10.11646/zootaxa.5277.2.1" ID-ISSN="1175-5326" ID-Zenodo-Dep="7889695" ID-ZooBank="73ED69F3-3887-460D-86DE-C9F1302C8EC3" IM.bibliography_approvedBy="diego" IM.illustrations_approvedBy="felipe" IM.materialsCitations_approvedBy="diego" IM.metadata_approvedBy="felipe" IM.taxonomicNames_approvedBy="diego" IM.treatmentCitations_approvedBy="felipe" IM.treatments_approvedBy="diego" checkinTime="1683099613832" checkinUser="plazi" docAuthor="Kluge, Nikita, Srinivasan, Pandiarajan, Sivaruban, T., Barathy, S. &amp; Isack, Rajasekaran" docDate="2023" docId="03F487D0A3404D78A2DBF936FD5AEFE9" docLanguage="en" docName="zootaxa.5277.2.1.pdf" docOrigin="Zootaxa 5277 (2)" docSource="http://dx.doi.org/10.11646/zootaxa.5277.2.1" docStyle="DocumentStyle:647186512141C8FC8976D5BCC54AEB7D.9:Zootaxa.2013-.journal_article" docStyleId="647186512141C8FC8976D5BCC54AEB7D" docStyleName="Zootaxa.2013-.journal_article" docStyleVersion="9" docTitle="Baetis (Tenuibaetis) Kang &amp; Yang 1994" docType="treatment" docVersion="3" lastPageNumber="255" masterDocId="FFCDFFA8A3764D4EA24CFFD4FFABE864" masterDocTitle="Contribution to the knowledge of the subgenus Tenuibaetis Kang &amp; Yang 1994 (Ephemeroptera, Baetidae, Baetis s. l.)" masterLastPageNumber="258" masterPageNumber="201" pageNumber="255" updateTime="1683138298321" updateUser="diego" zenodo-license-document="CLOSED">
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<mods:title>Contribution to the knowledge of the subgenus Tenuibaetis Kang &amp; Yang 1994 (Ephemeroptera, Baetidae, Baetis s. l.)</mods:title>
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<mods:roleTerm>Author</mods:roleTerm>
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<mods:namePart>Kluge, Nikita</mods:namePart>
<mods:affiliation>Department of Entomology, Saint Petersburg State University, Universitetskaya nab., 7 / 9, Saint Petersburg, 199034, Russia. Website: http: // insecta. bio. spbu. ru</mods:affiliation>
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<mods:roleTerm>Author</mods:roleTerm>
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<mods:namePart>Srinivasan, Pandiarajan</mods:namePart>
<mods:affiliation>PG and Research department of Zoology, the American College, Madurai- 625002, India</mods:affiliation>
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<mods:namePart>Sivaruban, T.</mods:namePart>
<mods:nameIdentifier type="ORCID">0000-0001-8997-9355</mods:nameIdentifier>
<mods:affiliation>PG and Research department of Zoology, the American College, Madurai- 625002, India &amp; sivaruban 270 @ gmail. com; https: // orcid. org / 0000 - 0001 - 8997 - 9355</mods:affiliation>
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<mods:roleTerm>Author</mods:roleTerm>
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<mods:namePart>Barathy, S.</mods:namePart>
<mods:affiliation>Department of Zoology, Fatima College, Madurai- 625018, India</mods:affiliation>
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<mods:roleTerm>Author</mods:roleTerm>
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<mods:namePart>Isack, Rajasekaran</mods:namePart>
<mods:nameIdentifier type="ORCID">0000-0002-9952-4335</mods:nameIdentifier>
<mods:affiliation>PG and Research department of Zoology, the American College, Madurai- 625002, India &amp; iceisack 143 @ gmail. com; https: // orcid. org / 0000 - 0002 - 9952 - 4335</mods:affiliation>
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<mods:title>Zootaxa</mods:title>
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<mods:date>2023</mods:date>
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<mods:number>2023-05-02</mods:number>
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<mods:number>5277</mods:number>
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<subSubSection box="[151,653,1762,1789]" pageId="54" pageNumber="255" type="nomenclature">
<paragraph blockId="54.[151,653,1762,1789]" box="[151,653,1762,1789]" pageId="54" pageNumber="255">
<heading bold="true" box="[151,653,1762,1789]" fontSize="11" level="1" pageId="54" pageNumber="255" reason="1">
<emphasis bold="true" box="[151,653,1762,1789]" pageId="54" pageNumber="255">
9. 
<taxonomicName ID-CoL="63VC4" ID-ENA="1659613" authority="Kang &amp; Yang" authorityName="Kang &amp; Yang" authorityYear="1994" box="[181,422,1762,1789]" class="Insecta" family="Baetidae" genus="Baetis" kingdom="Animalia" order="Ephemeroptera" pageId="54" pageNumber="255" phylum="Arthropoda" rank="subGenus" subGenus="Tenuibaetis">
<emphasis bold="true" box="[181,256,1762,1788]" italics="true" pageId="54" pageNumber="255">Baetis</emphasis>
(
<emphasis bold="true" box="[273,412,1762,1789]" italics="true" pageId="54" pageNumber="255">Tenuibaetis</emphasis>
)
</taxonomicName>
sp. from 
<collectingCountry box="[539,653,1762,1788]" name="Thailand" pageId="54" pageNumber="255">Thailand</collectingCountry>
</emphasis>
</heading>
</paragraph>
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<subSubSection pageId="54" pageNumber="255" type="materials_examined">
<paragraph blockId="54.[151,1437,1834,1933]" box="[151,1437,1834,1861]" pageId="54" pageNumber="255">
<emphasis bold="true" box="[151,384,1834,1860]" pageId="54" pageNumber="255">Material examined.</emphasis>
<materialsCitation box="[390,1433,1835,1861]" collectingDate="1998-01-17" collectorName="Grigorenko" country="Thailand" location="Doi Ithanon" municipality="river Klang" pageId="54" pageNumber="255" specimenCount="1" specimenCount-larva="1">
<collectingCountry box="[390,538,1835,1861]" name="Thailand" pageId="54" pageNumber="255">THAILAND</collectingCountry>
, 
<location LSID="urn:lsid:plazi:treatment:03F487D0A3404D78A2DBF936FD5AEFE9:8E82601DA3404D78A068F8FFFD06EF21" box="[548,685,1835,1861]" country="Thailand" municipality="river Klang" name="Doi Ithanon" pageId="54" pageNumber="255">Doi Ithanon</location>
, 
<collectingMunicipality box="[696,826,1835,1861]" pageId="54" pageNumber="255">river Klang</collectingMunicipality>
, 18th km by road, 
<date box="[1033,1143,1835,1861]" pageId="54" pageNumber="255" value="1998-01-17">
<collectingDate box="[1033,1143,1835,1861]" pageId="54" pageNumber="255" value="1998-01-17">17.I.1998</collectingDate>
</date>
, coll. 
<collectorName box="[1209,1343,1835,1861]" pageId="54" pageNumber="255">Grigorenko</collectorName>
: 
<specimenCount box="[1353,1433,1835,1861]" pageId="54" pageNumber="255" type="larva">1 larva</specimenCount>
</materialsCitation>
.
</paragraph>
<paragraph blockId="54.[151,1437,1834,1933]" pageId="54" pageNumber="255">
<emphasis bold="true" box="[199,388,1870,1896]" pageId="54" pageNumber="255">Characteristics.</emphasis>
Larva differs from all other species of 
<taxonomicName authorityName=": Fujitani, Hirowatari &amp; Tanida" authorityYear="2003" box="[833,961,1871,1897]" class="Insecta" family="Baetidae" genus="Tenuibaetis" kingdom="Animalia" order="Ephemeroptera" pageId="54" pageNumber="255" phylum="Arthropoda" rank="genus">
<emphasis box="[833,961,1871,1897]" italics="true" pageId="54" pageNumber="255">Tenuibaetis</emphasis>
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by very wide and short labrum (
<figureCitation box="[1332,1429,1871,1897]" captionStart="FIGURES 279–284" captionStartId="55.[151,264,1840,1864]" captionTargetBox="[151,1435,181,1816]" captionTargetId="figure-19@55.[151,1435,181,1816]" captionTargetPageId="55" captionText="FIGURES 279–284. Baetis (Tenuibaetis) sp. (Thailand). 279, fore femur; 280, portion of larval exuviae with left mandible, labrum and frons; 281, labium; 282, male subimaginal abdomen extracted from larva; 283, larval abdominal segments IX–X and caudalii; 284, exuviae of larval abdominal segments I–VIII." figureDoi="http://doi.org/10.5281/zenodo.7889815" httpUri="https://zenodo.org/record/7889815/files/figure.png" pageId="54" pageNumber="255">Fig. 280</figureCitation>
) and relatively large tergalii of the first pair (
<figureCitation box="[642,741,1907,1933]" captionStart="FIGURES 279–284" captionStartId="55.[151,264,1840,1864]" captionTargetBox="[151,1435,181,1816]" captionTargetId="figure-19@55.[151,1435,181,1816]" captionTargetPageId="55" captionText="FIGURES 279–284. Baetis (Tenuibaetis) sp. (Thailand). 279, fore femur; 280, portion of larval exuviae with left mandible, labrum and frons; 281, labium; 282, male subimaginal abdomen extracted from larva; 283, larval abdominal segments IX–X and caudalii; 284, exuviae of larval abdominal segments I–VIII." figureDoi="http://doi.org/10.5281/zenodo.7889815" httpUri="https://zenodo.org/record/7889815/files/figure.png" pageId="54" pageNumber="255">Fig. 284</figureCitation>
).
</paragraph>
</subSubSection>
</treatment>
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