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<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="felipe" IM.illustrations_approvedBy="felipe" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.taxonomicNames_approvedBy="felipe" IM.treatmentCitations_approvedBy="felipe" IM.treatments_approvedBy="felipe" checkinTime="1683099613832" checkinUser="plazi" docAuthor="Kluge, Nikita, Srinivasan, Pandiarajan, Sivaruban, T., Barathy, S. &amp; Isack, Rajasekaran" docDate="2023" docId="03F487D0A35B4D63A2DBFE47FA8FEEBF" 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) panhai Suttinun 2022" docType="treatment" docVersion="2" lastPageNumber="246" 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="246" updateTime="1683100342607" updateUser="ExternalLinkService" 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:roleTerm>Author</mods:roleTerm>
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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>
<mods:nameIdentifier type="email">sivaruban270@gmail.com</mods:nameIdentifier>
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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:name type="personal">
<mods:role>
<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:date>2023</mods:date>
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<treatment ID-DOI="http://doi.org/10.5281/zenodo.7889723" ID-Zenodo-Dep="7889723" LSID="urn:lsid:plazi:treatment:03F487D0A35B4D63A2DBFE47FA8FEEBF" httpUri="http://treatment.plazi.org/id/03F487D0A35B4D63A2DBFE47FA8FEEBF" lastPageNumber="246" pageId="45" pageNumber="246">
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<paragraph blockId="45.[151,762,402,465]" box="[151,762,402,429]" pageId="45" pageNumber="246">
<heading bold="true" box="[151,762,402,429]" fontSize="11" level="1" pageId="45" pageNumber="246" reason="1">
<emphasis bold="true" box="[151,762,402,429]" pageId="45" pageNumber="246">
7.
<taxonomicName authority="Suttinun et al. 2022" authorityName="Suttinun" authorityYear="2022" box="[181,762,402,429]" class="Insecta" family="Baetidae" genus="Baetis" kingdom="Animalia" order="Ephemeroptera" pageId="45" pageNumber="246" phylum="Arthropoda" rank="species" species="panhai" subGenus="Tenuibaetis">
<emphasis bold="true" box="[181,256,403,429]" italics="true" pageId="45" pageNumber="246">Baetis</emphasis>
(
<emphasis bold="true" box="[273,412,402,429]" italics="true" pageId="45" pageNumber="246">Tenuibaetis</emphasis>
)
<emphasis bold="true" box="[429,514,402,429]" italics="true" pageId="45" pageNumber="246">panhai</emphasis>
<bibRefCitation author="Suttinun, C. &amp; Gattolliat, J. - L. &amp; Boonsoong, B." box="[521,762,402,429]" pageId="45" pageNumber="246" pagination="165 - 182" refId="ref19443" refString="Suttinun, C. &amp; Gattolliat, J. - L. &amp; Boonsoong, B. (2022) First report of the genus Tenuibaetis (Ephemeroptera, Baetidae) from Thailand revealing a complex of cryptic species. ZooKeys, 1084, 165 - 182. https: // doi. org / 10.3897 / zookeys. 1084.78405" type="journal article" year="2022">
Suttinun
<emphasis bold="true" box="[637,689,402,429]" italics="true" pageId="45" pageNumber="246">et al</emphasis>
. 2022
</bibRefCitation>
</taxonomicName>
</emphasis>
</heading>
</paragraph>
</subSubSection>
<subSubSection box="[151,323,439,465]" pageId="45" pageNumber="246" type="description">
<paragraph blockId="45.[151,762,402,465]" box="[151,323,439,465]" pageId="45" pageNumber="246">
(
<figureCitation box="[159,315,439,465]" captionStart-0="FIGURES 230236" captionStart-1="FIGURES 237241" captionStartId-0="46.[151,264,1840,1864]" captionStartId-1="47.[151,264,1838,1862]" captionTargetBox-0="[151,1436,181,1817]" captionTargetBox-1="[152,1435,181,1814]" captionTargetId-0="figure-36@46.[151,1436,181,1817]" captionTargetId-1="figure-19@47.[151,1435,181,1814]" captionTargetPageId-0="46" captionTargetPageId-1="47" captionText-0="FIGURES 230236. Baetis (Tenuibaetis) panhai, exuviae of larval legs. 230231, proximal-posterior portion of fore femur with villopore (230, anterior side; 231, posterior side); 232234, fore, middle and hind legs; 235236, fore and middle tibiae." captionText-1="FIGURES 237241. Baetis (Tenuibaetis) panhai. 237, abdomen of male subimago extracted from mature larva; 238, larval exuviae of half of pronotum and mesonotum; 239, larval exuviae of abdomen; 240, male subimago; 241, subimaginal gonostyli crumpled under larval cuticle." figureDoi-0="http://doi.org/10.5281/zenodo.7889799" figureDoi-1="http://doi.org/10.5281/zenodo.7889801" httpUri-0="https://zenodo.org/record/7889799/files/figure.png" httpUri-1="https://zenodo.org/record/7889801/files/figure.png" pageId="45" pageNumber="246">Figs 230241</figureCitation>
)
</paragraph>
</subSubSection>
<subSubSection box="[151,893,507,532]" pageId="45" pageNumber="246" type="reference_group">
<paragraph blockId="45.[151,893,507,532]" box="[151,893,507,532]" pageId="45" pageNumber="246">
<treatmentCitationGroup box="[151,893,507,532]" pageId="45" pageNumber="246">
<treatmentCitation LSID="urn:lsid:zoobank.org:act:B39C17B1-A135-4DEC-8172-CB6C497F89AD" author="Suttinun, C. &amp; Gattolliat, J. - L. &amp; Boonsoong, B." box="[151,801,507,532]" httpUri="http://treatment.plazi.org/id/F7220416C4E65B9A93067F2462784DCF" page="168" pageId="45" pageNumber="246" year="2022">
<taxonomicName authority="Suttinun, Gattolliat &amp; Boonsoong 2022: 168" authorityName="Suttinun, Gattolliat &amp; Boonsoong" authorityPageNumber="168" authorityYear="2022" box="[151,801,507,532]" class="Insecta" family="Baetidae" genus="Tenuibaetis" kingdom="Animalia" order="Ephemeroptera" pageId="45" pageNumber="246" phylum="Arthropoda" rank="species" species="panhai">
<emphasis box="[151,343,507,531]" italics="true" pageId="45" pageNumber="246">Tenuibaetis panhai</emphasis>
<bibRefCitation author="Suttinun, C. &amp; Gattolliat, J. - L. &amp; Boonsoong, B." box="[350,801,507,532]" pageId="45" pageNumber="246" pagination="165 - 182" refId="ref19443" refString="Suttinun, C. &amp; Gattolliat, J. - L. &amp; Boonsoong, B. (2022) First report of the genus Tenuibaetis (Ephemeroptera, Baetidae) from Thailand revealing a complex of cryptic species. ZooKeys, 1084, 165 - 182. https: // doi. org / 10.3897 / zookeys. 1084.78405" type="journal article" year="2022">Suttinun, Gattolliat &amp; Boonsoong 2022: 168</bibRefCitation>
</taxonomicName>
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(larvae).
</treatmentCitationGroup>
</paragraph>
</subSubSection>
<subSubSection pageId="45" pageNumber="246" type="materials_examined">
<paragraph blockId="45.[151,1437,577,1756]" pageId="45" pageNumber="246">
<emphasis bold="true" box="[151,386,577,603]" pageId="45" pageNumber="246">Material examined.</emphasis>
<materialsCitation collectingDate="2015-02-05" collectingDateMax="2015-02-14" collectingDateMin="2015-02-05" collectorName="N. Kluge &amp; L. Sheyko" country="Thailand" location="river Pai" municipality="Pai" pageId="45" pageNumber="246" specimenCount="10" specimenCount-larva="10">
<collectingCountry box="[395,543,578,604]" name="Thailand" pageId="45" pageNumber="246">THAILAND</collectingCountry>
,
<location LSID="urn:lsid:plazi:treatment:03F487D0A35B4D63A2DBFE47FA8FEEBF:8E82601DA35B4D63A067FD95FD26EA3F" box="[555,653,577,603]" country="Thailand" municipality="Pai" name="river Pai" pageId="45" pageNumber="246">river Pai</location>
upstream
<collectingMunicipality box="[773,811,577,603]" pageId="45" pageNumber="246">Pai</collectingMunicipality>
,
<date box="[825,972,577,604]" pageId="45" pageNumber="246" value="2015-02-05" valueMax="2015-02-14" valueMin="2015-02-05">
<collectingDate box="[825,972,577,604]" pageId="45" pageNumber="246" value="2015-02-05" valueMax="2015-02-14" valueMin="2015-02-05">514.II.2015</collectingDate>
</date>
, coll.
<collectorName box="[1043,1147,577,604]" pageId="45" pageNumber="246">N. Kluge</collectorName>
&amp;
<collectorName box="[1187,1308,577,604]" pageId="45" pageNumber="246">L. Sheyko</collectorName>
: 1 L-S♁, 1 L/S♁,
<specimenCount box="[227,334,613,639]" pageId="45" pageNumber="246" type="larva">10 larvae</specimenCount>
</materialsCitation>
.
</paragraph>
<paragraph blockId="45.[151,1437,577,1756]" box="[199,479,649,675]" pageId="45" pageNumber="246">
<emphasis bold="true" box="[199,479,649,675]" pageId="45" pageNumber="246">Additional descriptions</emphasis>
</paragraph>
<paragraph blockId="45.[151,1437,577,1756]" pageId="45" pageNumber="246">
<emphasis bold="true" box="[199,275,685,712]" pageId="45" pageNumber="246">
<emphasis bold="true" box="[199,267,686,712]" italics="true" pageId="45" pageNumber="246">Larva</emphasis>
.
</emphasis>
CUTICULAR COLORATION (
<figureCitation box="[653,809,685,711]" captionStart="FIGURES 237241" captionStartId="47.[151,264,1838,1862]" captionTargetBox="[152,1435,181,1814]" captionTargetId="figure-19@47.[151,1435,181,1814]" captionTargetPageId="47" captionText="FIGURES 237241. Baetis (Tenuibaetis) panhai. 237, abdomen of male subimago extracted from mature larva; 238, larval exuviae of half of pronotum and mesonotum; 239, larval exuviae of abdomen; 240, male subimago; 241, subimaginal gonostyli crumpled under larval cuticle." figureDoi="http://doi.org/10.5281/zenodo.7889801" httpUri="https://zenodo.org/record/7889801/files/figure.png" pageId="45" pageNumber="246">Figs 238239</figureCitation>
;
<bibRefCitation author="Suttinun, C. &amp; Gattolliat, J. - L. &amp; Boonsoong, B." box="[818,1035,685,712]" pageId="45" pageNumber="246" pagination="165 - 182" refId="ref19443" refString="Suttinun, C. &amp; Gattolliat, J. - L. &amp; Boonsoong, B. (2022) First report of the genus Tenuibaetis (Ephemeroptera, Baetidae) from Thailand revealing a complex of cryptic species. ZooKeys, 1084, 165 - 182. https: // doi. org / 10.3897 / zookeys. 1084.78405" type="journal article" year="2022">
Suttinun
<emphasis box="[917,964,685,711]" italics="true" pageId="45" pageNumber="246">et al</emphasis>
. 2022
</bibRefCitation>
: figs 1AD): Head brown. Pronotum nearly uniformly brown (
<figureCitation box="[440,540,721,747]" captionStart="FIGURES 237241" captionStartId="47.[151,264,1838,1862]" captionTargetBox="[152,1435,181,1814]" captionTargetId="figure-19@47.[151,1435,181,1814]" captionTargetPageId="47" captionText="FIGURES 237241. Baetis (Tenuibaetis) panhai. 237, abdomen of male subimago extracted from mature larva; 238, larval exuviae of half of pronotum and mesonotum; 239, larval exuviae of abdomen; 240, male subimago; 241, subimaginal gonostyli crumpled under larval cuticle." figureDoi="http://doi.org/10.5281/zenodo.7889801" httpUri="https://zenodo.org/record/7889801/files/figure.png" pageId="45" pageNumber="246">Fig. 238</figureCitation>
). Mesonotum brown, either with wide, contrasting V-shape blank, or with less contrasting blank (
<figureCitation box="[360,458,757,783]" captionStart="FIGURES 237241" captionStartId="47.[151,264,1838,1862]" captionTargetBox="[152,1435,181,1814]" captionTargetId="figure-19@47.[151,1435,181,1814]" captionTargetPageId="47" captionText="FIGURES 237241. Baetis (Tenuibaetis) panhai. 237, abdomen of male subimago extracted from mature larva; 238, larval exuviae of half of pronotum and mesonotum; 239, larval exuviae of abdomen; 240, male subimago; 241, subimaginal gonostyli crumpled under larval cuticle." figureDoi="http://doi.org/10.5281/zenodo.7889801" httpUri="https://zenodo.org/record/7889801/files/figure.png" pageId="45" pageNumber="246">Fig. 238</figureCitation>
), or without it. Thoracic pleura brownish, sterna colorless. Legs brown with ochre; fore femur with proximal blank oval (
<figureCitation box="[531,692,793,819]" captionStart="FIGURES 230236" captionStartId="46.[151,264,1840,1864]" captionTargetBox="[151,1436,181,1817]" captionTargetId="figure-36@46.[151,1436,181,1817]" captionTargetPageId="46" captionText="FIGURES 230236. Baetis (Tenuibaetis) panhai, exuviae of larval legs. 230231, proximal-posterior portion of fore femur with villopore (230, anterior side; 231, posterior side); 232234, fore, middle and hind legs; 235236, fore and middle tibiae." figureDoi="http://doi.org/10.5281/zenodo.7889799" httpUri="https://zenodo.org/record/7889799/files/figure.png" pageId="45" pageNumber="246">Figs 232234</figureCitation>
). Abdominal terga I
<collectionCode box="[933,961,794,820]" pageId="45" pageNumber="246">III</collectionCode>
nearly uniformly brown; tergum
<collectionCode box="[1344,1374,794,820]" pageId="45" pageNumber="246">IV</collectionCode>
from brown with more or less expressed lateral blanks (
<figureCitation box="[728,828,829,855]" captionStart="FIGURES 237241" captionStartId="47.[151,264,1838,1862]" captionTargetBox="[152,1435,181,1814]" captionTargetId="figure-19@47.[151,1435,181,1814]" captionTargetPageId="47" captionText="FIGURES 237241. Baetis (Tenuibaetis) panhai. 237, abdomen of male subimago extracted from mature larva; 238, larval exuviae of half of pronotum and mesonotum; 239, larval exuviae of abdomen; 240, male subimago; 241, subimaginal gonostyli crumpled under larval cuticle." figureDoi="http://doi.org/10.5281/zenodo.7889801" httpUri="https://zenodo.org/record/7889801/files/figure.png" pageId="45" pageNumber="246">Fig. 239</figureCitation>
), to entirely colorless; terga
<collectionCode box="[1154,1174,830,856]" country="Canada" lsid="urn:lsid:biocol.org:col:13946" name="Royal British Columbia Museum - Herbarium" pageId="45" pageNumber="246" type="Museum">V</collectionCode>
<collectionCode box="[1188,1236,830,856]" pageId="45" pageNumber="246">VIII</collectionCode>
nearly uniformly brown; terga
<collectionCode box="[302,331,866,892]" pageId="45" pageNumber="246">IX</collectionCode>
X either entirely colorless, or at least lighter than others. Abdominal sterna I
<collectionCode box="[1225,1273,866,892]" pageId="45" pageNumber="246">VIII</collectionCode>
from ochre to brown, with sternum
<collectionCode box="[390,438,902,928]" pageId="45" pageNumber="246">VIII</collectionCode>
darkest; sterna
<collectionCode box="[615,644,902,928]" pageId="45" pageNumber="246">IX</collectionCode>
X colorless. Caudalii uniformly brown.
</paragraph>
<paragraph blockId="45.[151,1437,577,1756]" box="[200,1370,937,964]" pageId="45" pageNumber="246">
HYPODERMAL COLORATION: Not expressed; before molt to subimago, as in subimago (
<figureCitation box="[1259,1357,937,963]" captionStart="FIGURES 237241" captionStartId="47.[151,264,1838,1862]" captionTargetBox="[152,1435,181,1814]" captionTargetId="figure-19@47.[151,1435,181,1814]" captionTargetPageId="47" captionText="FIGURES 237241. Baetis (Tenuibaetis) panhai. 237, abdomen of male subimago extracted from mature larva; 238, larval exuviae of half of pronotum and mesonotum; 239, larval exuviae of abdomen; 240, male subimago; 241, subimaginal gonostyli crumpled under larval cuticle." figureDoi="http://doi.org/10.5281/zenodo.7889801" httpUri="https://zenodo.org/record/7889801/files/figure.png" pageId="45" pageNumber="246">Fig. 237</figureCitation>
).
</paragraph>
<paragraph blockId="45.[151,1437,577,1756]" box="[200,1295,973,1000]" pageId="45" pageNumber="246">
<collectionCode box="[200,507,973,1000]" pageId="45" pageNumber="246">SHAPE AND SETATION</collectionCode>
. Described and figured by
<bibRefCitation author="Suttinun, C. &amp; Gattolliat, J. - L. &amp; Boonsoong, B." box="[813,1038,973,999]" pageId="45" pageNumber="246" pagination="165 - 182" refId="ref19443" refString="Suttinun, C. &amp; Gattolliat, J. - L. &amp; Boonsoong, B. (2022) First report of the genus Tenuibaetis (Ephemeroptera, Baetidae) from Thailand revealing a complex of cryptic species. ZooKeys, 1084, 165 - 182. https: // doi. org / 10.3897 / zookeys. 1084.78405" type="journal article" year="2022">
Suttinun
<emphasis box="[915,971,973,999]" italics="true" pageId="45" pageNumber="246">et al.</emphasis>
2022
</bibRefCitation>
. Additional characters:
</paragraph>
<paragraph blockId="45.[151,1437,577,1756]" pageId="45" pageNumber="246">
On each femur, stout two-channel setae forming row along outer side of femur (including two subapical setae) elongate, blunt, distally widened and flattened (
<figureCitation box="[694,856,1045,1071]" captionStart="FIGURES 230236" captionStartId="46.[151,264,1840,1864]" captionTargetBox="[151,1436,181,1817]" captionTargetId="figure-36@46.[151,1436,181,1817]" captionTargetPageId="46" captionText="FIGURES 230236. Baetis (Tenuibaetis) panhai, exuviae of larval legs. 230231, proximal-posterior portion of fore femur with villopore (230, anterior side; 231, posterior side); 232234, fore, middle and hind legs; 235236, fore and middle tibiae." figureDoi="http://doi.org/10.5281/zenodo.7889799" httpUri="https://zenodo.org/record/7889799/files/figure.png" pageId="45" pageNumber="246">Figs 232234</figureCitation>
). Anterior-apical margin of femur with small, two-channel setae, as on tibiae. Stout setae on anterior side of femur mostly elongate, distally widened and rounded, varying from large to small (
<figureCitation box="[472,632,1117,1143]" captionStart="FIGURES 230236" captionStartId="46.[151,264,1840,1864]" captionTargetBox="[151,1436,181,1817]" captionTargetId="figure-36@46.[151,1436,181,1817]" captionTargetPageId="46" captionText="FIGURES 230236. Baetis (Tenuibaetis) panhai, exuviae of larval legs. 230231, proximal-posterior portion of fore femur with villopore (230, anterior side; 231, posterior side); 232234, fore, middle and hind legs; 235236, fore and middle tibiae." figureDoi="http://doi.org/10.5281/zenodo.7889799" httpUri="https://zenodo.org/record/7889799/files/figure.png" pageId="45" pageNumber="246">Figs 232234</figureCitation>
).
</paragraph>
<paragraph blockId="45.[151,1437,577,1756]" pageId="45" pageNumber="246">
Stout, two-channel setae on outer side of fore tibia small (
<figureCitation box="[852,950,1153,1180]" captionStart="FIGURES 230236" captionStartId="46.[151,264,1840,1864]" captionTargetBox="[151,1436,181,1817]" captionTargetId="figure-36@46.[151,1436,181,1817]" captionTargetPageId="46" captionText="FIGURES 230236. Baetis (Tenuibaetis) panhai, exuviae of larval legs. 230231, proximal-posterior portion of fore femur with villopore (230, anterior side; 231, posterior side); 232234, fore, middle and hind legs; 235236, fore and middle tibiae." figureDoi="http://doi.org/10.5281/zenodo.7889799" httpUri="https://zenodo.org/record/7889799/files/figure.png" pageId="45" pageNumber="246">Fig. 235</figureCitation>
); stout, two-channel setae on outer sides of middle and hind tibiae significantly larger (
<figureCitation box="[630,727,1189,1215]" captionStart="FIGURES 230236" captionStartId="46.[151,264,1840,1864]" captionTargetBox="[151,1436,181,1817]" captionTargetId="figure-36@46.[151,1436,181,1817]" captionTargetPageId="46" captionText="FIGURES 230236. Baetis (Tenuibaetis) panhai, exuviae of larval legs. 230231, proximal-posterior portion of fore femur with villopore (230, anterior side; 231, posterior side); 232234, fore, middle and hind legs; 235236, fore and middle tibiae." figureDoi="http://doi.org/10.5281/zenodo.7889799" httpUri="https://zenodo.org/record/7889799/files/figure.png" pageId="45" pageNumber="246">Fig. 236</figureCitation>
). Each tibia with stout, clavate, two-channel setae along patella-tibial suture (
<figureCitation box="[299,459,1225,1252]" captionStart="FIGURES 230236" captionStartId="46.[151,264,1840,1864]" captionTargetBox="[151,1436,181,1817]" captionTargetId="figure-36@46.[151,1436,181,1817]" captionTargetPageId="46" captionText="FIGURES 230236. Baetis (Tenuibaetis) panhai, exuviae of larval legs. 230231, proximal-posterior portion of fore femur with villopore (230, anterior side; 231, posterior side); 232234, fore, middle and hind legs; 235236, fore and middle tibiae." figureDoi="http://doi.org/10.5281/zenodo.7889799" httpUri="https://zenodo.org/record/7889799/files/figure.png" pageId="45" pageNumber="246">Figs 235236</figureCitation>
).
</paragraph>
<paragraph blockId="45.[151,1437,577,1756]" pageId="45" pageNumber="246">
Denticles on posterior margins of abdominal terga
<collectionCode box="[762,780,1262,1288]" pageId="45" pageNumber="246">II</collectionCode>
X bluntly triangular (
<bibRefCitation author="Suttinun, C. &amp; Gattolliat, J. - L. &amp; Boonsoong, B." box="[1029,1253,1261,1288]" pageId="45" pageNumber="246" pagination="165 - 182" refId="ref19443" refString="Suttinun, C. &amp; Gattolliat, J. - L. &amp; Boonsoong, B. (2022) First report of the genus Tenuibaetis (Ephemeroptera, Baetidae) from Thailand revealing a complex of cryptic species. ZooKeys, 1084, 165 - 182. https: // doi. org / 10.3897 / zookeys. 1084.78405" type="journal article" year="2022">
Suttinun
<emphasis box="[1132,1180,1261,1287]" italics="true" pageId="45" pageNumber="246">et al</emphasis>
. 2022
</bibRefCitation>
: fig. 3H); absent or sparse on tergum I. Denticles on posterior margin of sterna absent.
</paragraph>
<paragraph blockId="45.[151,1437,577,1756]" pageId="45" pageNumber="246">
<emphasis bold="true" box="[199,323,1333,1360]" pageId="45" pageNumber="246">
<emphasis bold="true" box="[199,316,1333,1360]" italics="true" pageId="45" pageNumber="246">Subimago</emphasis>
.
</emphasis>
CUTICULAR COLORATION: Mostly colorless, with some sutures of mesonotum and some pleural sclerites contrastingly brown (
<figureCitation box="[575,674,1369,1395]" captionStart="FIGURES 237241" captionStartId="47.[151,264,1838,1862]" captionTargetBox="[152,1435,181,1814]" captionTargetId="figure-19@47.[151,1435,181,1814]" captionTargetPageId="47" captionText="FIGURES 237241. Baetis (Tenuibaetis) panhai. 237, abdomen of male subimago extracted from mature larva; 238, larval exuviae of half of pronotum and mesonotum; 239, larval exuviae of abdomen; 240, male subimago; 241, subimaginal gonostyli crumpled under larval cuticle." figureDoi="http://doi.org/10.5281/zenodo.7889801" httpUri="https://zenodo.org/record/7889801/files/figure.png" pageId="45" pageNumber="246">Fig. 240</figureCitation>
).
</paragraph>
<paragraph blockId="45.[151,1437,577,1756]" pageId="45" pageNumber="246">
HYPODERMAL COLORATION: Head, thorax, legs and abdomen ochre; abdominal terga I
<collectionCode box="[1342,1372,1406,1432]" pageId="45" pageNumber="246">IX</collectionCode>
with contrasting reddish-brown band bordering posterior margin, with more or less expressed lateral reddish lateral maculae (
<figureCitation box="[259,419,1477,1503]" captionStart="FIGURES 237241" captionStartId="47.[151,264,1838,1862]" captionTargetBox="[152,1435,181,1814]" captionTargetId="figure-19@47.[151,1435,181,1814]" captionTargetPageId="47" captionText="FIGURES 237241. Baetis (Tenuibaetis) panhai. 237, abdomen of male subimago extracted from mature larva; 238, larval exuviae of half of pronotum and mesonotum; 239, larval exuviae of abdomen; 240, male subimago; 241, subimaginal gonostyli crumpled under larval cuticle." figureDoi="http://doi.org/10.5281/zenodo.7889801" httpUri="https://zenodo.org/record/7889801/files/figure.png" pageId="45" pageNumber="246">Figs 237, 240</figureCitation>
).
</paragraph>
<paragraph blockId="45.[151,1437,577,1756]" box="[199,406,1513,1540]" pageId="45" pageNumber="246">
<emphasis bold="true" box="[199,274,1514,1540]" italics="true" pageId="45" pageNumber="246">Imago</emphasis>
. Unknown.
</paragraph>
<paragraph blockId="45.[151,1437,577,1756]" box="[199,604,1549,1576]" pageId="45" pageNumber="246">
<emphasis bold="true" box="[199,334,1549,1575]" pageId="45" pageNumber="246">Dimension.</emphasis>
Forewing length
<quantity box="[532,600,1549,1576]" metricMagnitude="-3" metricUnit="m" metricValue="4.0" pageId="45" pageNumber="246" unit="mm" value="4.0">4 mm</quantity>
.
</paragraph>
</subSubSection>
<subSubSection box="[199,466,1585,1611]" pageId="45" pageNumber="246" type="distribution">
<paragraph blockId="45.[151,1437,577,1756]" box="[199,466,1585,1611]" pageId="45" pageNumber="246">
<emphasis bold="true" box="[199,353,1585,1611]" pageId="45" pageNumber="246">Distribution.</emphasis>
<collectingCountry box="[359,462,1585,1611]" name="Thailand" pageId="45" pageNumber="246">Thailand</collectingCountry>
.
</paragraph>
</subSubSection>
<subSubSection pageId="45" pageNumber="246" type="discussion">
<paragraph blockId="45.[151,1437,577,1756]" pageId="45" pageNumber="246">
<emphasis bold="true" box="[199,335,1621,1647]" pageId="45" pageNumber="246">Comments.</emphasis>
The original description of
<taxonomicName authorityName="Suttinun, Gattolliat &amp; Boonsoong" authorityYear="2022" box="[649,863,1621,1647]" class="Insecta" family="Baetidae" genus="Tenuibaetis" kingdom="Animalia" order="Ephemeroptera" pageId="45" pageNumber="246" phylum="Arthropoda" rank="species" species="panhai">
<emphasis box="[649,863,1621,1647]" italics="true" pageId="45" pageNumber="246">Tenuibaetis panhai</emphasis>
</taxonomicName>
contains description and figures of the foreleg, but not of other legs. Photos of the
<typeStatus box="[505,603,1657,1683]" pageId="45" pageNumber="246">holotype</typeStatus>
kindly sent by Ch. Suttinun, show that stout setae on outer side of middle and hind tibiae are enlarged (as in
<figureCitation box="[537,634,1693,1719]" captionStart="FIGURES 230236" captionStartId="46.[151,264,1840,1864]" captionTargetBox="[151,1436,181,1817]" captionTargetId="figure-36@46.[151,1436,181,1817]" captionTargetPageId="46" captionText="FIGURES 230236. Baetis (Tenuibaetis) panhai, exuviae of larval legs. 230231, proximal-posterior portion of fore femur with villopore (230, anterior side; 231, posterior side); 232234, fore, middle and hind legs; 235236, fore and middle tibiae." figureDoi="http://doi.org/10.5281/zenodo.7889799" httpUri="https://zenodo.org/record/7889799/files/figure.png" pageId="45" pageNumber="246">Fig. 236</figureCitation>
). The drawing of femoral patch (
<bibRefCitation author="Suttinun, C. &amp; Gattolliat, J. - L. &amp; Boonsoong, B." box="[1002,1229,1693,1720]" pageId="45" pageNumber="246" pagination="165 - 182" refId="ref19443" refString="Suttinun, C. &amp; Gattolliat, J. - L. &amp; Boonsoong, B. (2022) First report of the genus Tenuibaetis (Ephemeroptera, Baetidae) from Thailand revealing a complex of cryptic species. ZooKeys, 1084, 165 - 182. https: // doi. org / 10.3897 / zookeys. 1084.78405" type="journal article" year="2022">
Suttinun
<emphasis box="[1106,1155,1693,1719]" italics="true" pageId="45" pageNumber="246">et al</emphasis>
. 2022
</bibRefCitation>
: fig. 3BC) shows its setae directed proximally; actually they are directed distally, as in all other Baetofemorata (
<figureCitation box="[1205,1303,1729,1755]" captionStart="FIGURES 230236" captionStartId="46.[151,264,1840,1864]" captionTargetBox="[151,1436,181,1817]" captionTargetId="figure-36@46.[151,1436,181,1817]" captionTargetPageId="46" captionText="FIGURES 230236. Baetis (Tenuibaetis) panhai, exuviae of larval legs. 230231, proximal-posterior portion of fore femur with villopore (230, anterior side; 231, posterior side); 232234, fore, middle and hind legs; 235236, fore and middle tibiae." figureDoi="http://doi.org/10.5281/zenodo.7889799" httpUri="https://zenodo.org/record/7889799/files/figure.png" pageId="45" pageNumber="246">Fig. 231</figureCitation>
).
</paragraph>
</subSubSection>
</treatment>
</document>