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<document id="B8A8A34144C855189047C9FAB57E3DF9" ID-DOI="10.5281/zenodo.197793" ID-GBIF-Dataset="8f84f706-94cc-43a5-9027-efd2138aa784" ID-ISSN="1175-5326" ID-Zenodo-Dep="197793" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.taxonomicNames_approvedBy="felipe" checkinTime="1460278674581" checkinUser="plazi" docAuthor="Braasch, Dietrich &amp; Boonsoong, Boonsatien" docDate="2010" docId="716BF555FF9DFFDC8FF0FF507FBD6625" docLanguage="en" docName="zt02610p026.pdf" docOrigin="Zootaxa 2610" docStyle="DocumentStyle:890A69B780ED73D6DB8551B71C8AC79E.4:Zootaxa.2009-2012.journal_article" docStyleId="890A69B780ED73D6DB8551B71C8AC79E" docStyleName="Zootaxa.2009-2012.journal_article" docStyleVersion="4" docTitle="Epeorus bifurcatus Braasch &amp; Soldan 1979" docType="treatment" docVersion="9" lastPageNumber="23" masterDocId="8D528D2DFF8BFFCA8F67FF8F7D58656A" masterDocTitle="A contribution to the Heptageniidae (Insecta, Ephemeroptera) of Thailand and Malaysia" masterLastPageNumber="26" masterPageNumber="1" pageNumber="23" updateTime="1698249041875" updateUser="plazi">
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<mods:title id="E1A7291AE6889D7BD828B411D6968A24">A contribution to the Heptageniidae (Insecta, Ephemeroptera) of Thailand and Malaysia</mods:title>
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<mods:namePart id="072F9D6BE86EC9BA2726032E62F03633">Braasch, Dietrich</mods:namePart>
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<mods:namePart id="4D993DEABB14A3802FD576E0C4A5F0EA">Boonsoong, Boonsatien</mods:namePart>
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<mods:date id="6152DB45DA0117CAB395A3F2BCE171DA">2010</mods:date>
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<treatment id="716BF555FF9DFFDC8FF0FF507FBD6625" ID-DOI="http://doi.org/10.5281/zenodo.6211097" ID-GBIF-Taxon="127804272" ID-Zenodo-Dep="6211097" LSID="urn:lsid:plazi:treatment:716BF555FF9DFFDC8FF0FF507FBD6625" httpUri="http://treatment.plazi.org/id/716BF555FF9DFFDC8FF0FF507FBD6625" lastPageNumber="23" pageId="22" pageNumber="23">
<subSubSection id="B1D817C8FF9DFFDC8FF0FF507FEC6593" box="[151,692,223,249]" pageId="22" pageNumber="23" type="nomenclature">
<paragraph id="F97D4443FF9DFFDC8FF0FF507FEC6593" blockId="22.[151,692,223,249]" box="[151,692,223,249]" pageId="22" pageNumber="23">
<heading id="A235F32FFF9DFFDC8FF0FF507FEC6593" bold="true" box="[151,692,223,249]" fontSize="11" level="1" pageId="22" pageNumber="23" reason="1">
<taxonomicName id="3EC23FC0FF9DFFDC8FF0FF507FEC6593" ID-CoL="6FNW8" authority="Braasch &amp; Soldan, 1979" authorityName="Braasch &amp; Soldan" authorityYear="1979" box="[151,692,223,249]" class="Insecta" family="Heptageniidae" genus="Epeorus" kingdom="Animalia" order="Ephemeroptera" pageId="22" pageNumber="23" phylum="Arthropoda" rank="species" species="bifurcatus">
<emphasis id="CBB69851FF9DFFDC8FF0FF507FEC6593" bold="true" box="[151,692,223,249]" pageId="22" pageNumber="23">
<emphasis id="CBB69851FF9DFFDC8FF0FF507C266593" bold="true" box="[151,382,223,249]" italics="true" pageId="22" pageNumber="23">Epeorus bifurcatus</emphasis>
<bibRefCitation id="9D5339B2FF9DFFDC8EE1FF507FEC6593" author="Braasch" box="[390,692,223,249]" pageId="22" pageNumber="23" refString="Braasch, D. &amp; Soldan, T. (1979) Neue Heptageniidae aus Asien (Ephemeroptera). Reichenbachia, 17 (31), 261 - 272." type="journal article" year="1979">Braasch &amp; Soldán, 1979</bibRefCitation>
</emphasis>
</taxonomicName>
</heading>
</paragraph>
</subSubSection>
<subSubSection id="B1D817C8FF9DFFDC8FF0FEA57CC36400" pageId="22" pageNumber="23" type="materials_examined">
<paragraph id="F97D4443FF9DFFDC8FF0FEA57CC36400" blockId="22.[151,1437,298,847]" pageId="22" pageNumber="23">
<emphasis id="CBB69851FF9DFFDC8FF0FEA57CD3642E" bold="true" box="[151,395,298,324]" pageId="22" pageNumber="23">Material examined.</emphasis>
1 La:
<collectingCountry id="81D504D3FF9DFFDC8EBFFEA57F1B642E" box="[472,579,298,324]" name="Thailand" pageId="22" pageNumber="23">Thailand</collectingCountry>
, Tak Province,
<geoCoordinate id="9CF62284FF9DFFDC8D9DFEA57E32642E" box="[762,874,298,324]" direction="north" orientation="latitude" pageId="22" pageNumber="23" precision="925" value="16.5">16°30 N</geoCoordinate>
,
<geoCoordinate id="9CF62284FF9DFFDC8C11FEA57EBA642E" box="[886,994,298,324]" direction="east" orientation="longitude" pageId="22" pageNumber="23" precision="925" value="99.0">99°00 E</geoCoordinate>
, alt. ca
<quantity id="3E3AE9A6FF9DFFDC8B5AFEA579D3642E" box="[1085,1163,298,324]" metricMagnitude="2" metricUnit="m" metricValue="4.0" pageId="22" pageNumber="23" unit="m" value="400.0">400 m</quantity>
,
<date id="8D7C6283FF9DFFDC8BF0FEA5785A642E" box="[1175,1282,298,324]" pageId="22" pageNumber="23" value="2008-11">XI. 2008</date>
, leg. Freitag, Manila, det. Braasch).
</paragraph>
</subSubSection>
<subSubSection id="B1D817C8FF9DFFDC8FA2FEFA780967B5" pageId="22" pageNumber="23" type="diagnosis">
<paragraph id="F97D4443FF9DFFDC8FA2FEFA780967B5" blockId="22.[151,1437,298,847]" pageId="22" pageNumber="23">
<emphasis id="CBB69851FF9DFFDC8FA2FEFA7C1D64E5" bold="true" box="[197,325,373,399]" pageId="22" pageNumber="23">Diagnosis.</emphasis>
<taxonomicName id="3EC23FC0FF9DFFDC8E2BFEFA7F7364E4" box="[332,555,373,398]" class="Insecta" family="Heptageniidae" genus="Epeorus" kingdom="Animalia" order="Ephemeroptera" pageId="22" pageNumber="23" phylum="Arthropoda" rank="species" species="bifurcatus">
<emphasis id="CBB69851FF9DFFDC8E2BFEFA7F7364E4" box="[332,555,373,398]" italics="true" pageId="22" pageNumber="23">Epeorus bifurcatus</emphasis>
</taxonomicName>
is a smaller species (length to
<quantity id="3E3AE9A6FF9DFFDC8CF1FEFA7EB564E5" box="[918,1005,373,399]" metricMagnitude="-2" metricUnit="m" metricValue="1.2" pageId="22" pageNumber="23" unit="mm" value="12.0">12 mm</quantity>
), recognizable by a pair of relatively short submedian spines on terga IIX, flatly elliptical head (
<bibRefCitation id="9D5339B2FF9DFFDC8C32FE15793964DE" author="Nguyen" box="[853,1121,410,436]" pageId="22" pageNumber="23" refString="Nguyen, V. V. &amp; Bae, Y. J. (2004 a) Larvae of the Heptageniid Mayfly Genus Epeorus (Ephemeroptera: Heptageniidae) from Vietnam. Journal of Asia-Pacific Entomology, 7, 19 - 28." type="book chapter" year="2004" yearSuffix="a">Nguyen &amp; Bae, 2004a</bibRefCitation>
: p. 21, Figs. 7,9), posterior margins of terga with densely rowed blunt bristles, surface of terga with very fine scattered setae, only a weak fringe of small setae shorter than spines in the medial groove of terga and with triangular gill I of same length as following gills, all equally ovaloid, and femora with spot (
<bibRefCitation id="9D5339B2FF9DFFDC8C1FFD8578D7674E" author="Braasch" box="[888,1423,522,548]" pageId="22" pageNumber="23" refString="Braasch, D. &amp; Soldan, T. (1979) Neue Heptageniidae aus Asien (Ephemeroptera). Reichenbachia, 17 (31), 261 - 272." type="journal article" year="1979" yearSuffix="p">Braasch &amp; Soldán 1979: p.266, Figs. 1522</bibRefCitation>
). Contrastingly,
<emphasis id="CBB69851FF9DFFDC8E24FDBF7C806723" box="[323,472,560,585]" italics="true" pageId="22" pageNumber="23">
<taxonomicName id="3EC23FC0FF9DFFDC8E24FDBF7C8C6723" box="[323,468,560,585]" class="Insecta" family="Heptageniidae" genus="Epeorus" kingdom="Animalia" order="Ephemeroptera" pageId="22" pageNumber="23" phylum="Arthropoda" rank="species" species="rhithralis">E. rhithralis</taxonomicName>
,
</emphasis>
as well as
<taxonomicName id="3EC23FC0FF9DFFDC8D31FDBF7FB46723" box="[598,748,560,585]" class="Insecta" family="Heptageniidae" genus="Epeorus" kingdom="Animalia" order="Ephemeroptera" pageId="22" pageNumber="23" phylum="Arthropoda" rank="species" species="bifurcatus">
<emphasis id="CBB69851FF9DFFDC8D31FDBF7FB46723" box="[598,748,560,585]" italics="true" pageId="22" pageNumber="23">E. bifurcatus</emphasis>
</taxonomicName>
, have ovaloid shape of head, long elliptic form of first gill, pointed bristles on posterior margins of terga and lack of groove on terga (
<bibRefCitation id="9D5339B2FF9DFFDC8B6BFDDA79EC6705" author="Braasch" box="[1036,1204,597,623]" pageId="22" pageNumber="23" refString="Braasch, D. (1980) Eintagsfliegen (Gattungen Epeorus und Iron) aus Nepal (Ephemeroptera, Heptageniidae). Reichenbachia, 18 (7), 56 - 65." type="journal article" year="1980">Braasch 1980</bibRefCitation>
: p. 63, Figs. 4 bl). Other species from the region are either without any spines as
<emphasis id="CBB69851FF9DFFDC8CE0FDF5782A67F9" box="[903,1394,634,659]" italics="true" pageId="22" pageNumber="23">
<taxonomicName id="3EC23FC0FF9DFFDC8CE0FDF579FE67F9" box="[903,1190,634,659]" class="Insecta" family="Heptageniidae" genus="Epeorus" kingdom="Animalia" order="Ephemeroptera" pageId="22" pageNumber="23" phylum="Arthropoda" rank="species" species="hieroglyphicus">Epeorus hieroglyphicus</taxonomicName>
,
<taxonomicName id="3EC23FC0FF9DFFDC8BD5FDF5782A67F9" box="[1202,1394,634,659]" class="Insecta" family="Heptageniidae" genus="Epeorus" kingdom="Animalia" order="Ephemeroptera" pageId="22" pageNumber="23" phylum="Arthropoda" rank="species" species="khayengensis">E. khayengensis</taxonomicName>
</emphasis>
,
<taxonomicName id="3EC23FC0FF9DFFDC8AE5FDF57C4967D3" class="Insecta" family="Heptageniidae" genus="Iron" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ephemeroptera" pageId="22" pageNumber="23" phylum="Arthropoda" rank="species" species="papillatus">
<emphasis id="CBB69851FF9DFFDC8AE5FDF57C4967D3" italics="true" pageId="22" pageNumber="23">E. papillatus</emphasis>
</taxonomicName>
,
<taxonomicName id="3EC23FC0FF9DFFDC8E45FD2F7C9B67D3" box="[290,451,672,697]" class="Insecta" family="Heptageniidae" genus="Iron" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ephemeroptera" pageId="22" pageNumber="23" phylum="Arthropoda" rank="species" species="suspicatus">
<emphasis id="CBB69851FF9DFFDC8E45FD2F7C9B67D3" box="[290,451,672,697]" italics="true" pageId="22" pageNumber="23">E. suspicatus</emphasis>
</taxonomicName>
,
<taxonomicName id="3EC23FC0FF9DFFDC8EB3FD2F7ED467D0" authority="Braasch &amp; Soldan, 1984" authorityName="Braasch &amp; Soldan" authorityYear="1984" box="[468,908,672,698]" class="Insecta" family="Heptageniidae" genus="Epeorus" kingdom="Animalia" order="Ephemeroptera" pageId="22" pageNumber="23" phylum="Arthropoda" rank="species" species="tiberius">
<emphasis id="CBB69851FF9DFFDC8EB3FD2F7F0C67D3" box="[468,596,672,697]" italics="true" pageId="22" pageNumber="23">E. tiberius</emphasis>
Braasch &amp; Soldán, 1984
</taxonomicName>
, or provided with pairs of tubercles like
<taxonomicName id="3EC23FC0FF9DFFDC8AE5FD2F7C5D67B4" class="Insecta" family="Heptageniidae" genus="Epeorus" kingdom="Animalia" order="Ephemeroptera" pageId="22" pageNumber="23" phylum="Arthropoda" rank="species" species="rhithralis">
<emphasis id="CBB69851FF9DFFDC8AE5FD2F7C5D67B4" italics="true" pageId="22" pageNumber="23">E. rhithralis</emphasis>
</taxonomicName>
or with pairs of long spines like
<taxonomicName id="3EC23FC0FF9DFFDC8DE0FD4A7E4F67B4" box="[647,791,709,734]" class="Insecta" family="Heptageniidae" genus="Epeorus" kingdom="Animalia" order="Ephemeroptera" pageId="22" pageNumber="23" phylum="Arthropoda" rank="species" species="aculeatus">
<emphasis id="CBB69851FF9DFFDC8DE0FD4A7E4F67B4" box="[647,791,709,734]" italics="true" pageId="22" pageNumber="23">E. aculeatus</emphasis>
</taxonomicName>
,
<taxonomicName id="3EC23FC0FF9DFFDC8C41FD4A792A67B5" authority="Braasch, 1980" authorityName="Braasch" authorityYear="1980" box="[806,1138,709,735]" class="Insecta" family="Heptageniidae" genus="Epeorus" kingdom="Animalia" order="Ephemeroptera" pageId="22" pageNumber="23" phylum="Arthropoda" rank="species" species="bispinosus">
<emphasis id="CBB69851FF9DFFDC8C41FD4A7E9B67B4" box="[806,963,709,734]" italics="true" pageId="22" pageNumber="23">E. bispinosus</emphasis>
<bibRefCitation id="9D5339B2FF9DFFDC8CADFD4A792A67B5" author="Braasch" box="[970,1138,709,735]" pageId="22" pageNumber="23" refString="Braasch, D. (1980) Eintagsfliegen (Gattungen Epeorus und Iron) aus Nepal (Ephemeroptera, Heptageniidae). Reichenbachia, 18 (7), 56 - 65." type="journal article" year="1980">Braasch, 1980</bibRefCitation>
</taxonomicName>
and
<taxonomicName id="3EC23FC0FF9DFFDC8BCDFD4A781267B4" box="[1194,1354,709,734]" class="Insecta" family="Heptageniidae" genus="Iron" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ephemeroptera" pageId="22" pageNumber="23" phylum="Arthropoda" rank="species" species="martensi">
<emphasis id="CBB69851FF9DFFDC8BCDFD4A781267B4" box="[1194,1354,709,734]" italics="true" pageId="22" pageNumber="23">Iron martensi</emphasis>
</taxonomicName>
.
</paragraph>
</subSubSection>
<subSubSection id="B1D817C8FF9DFFDC8FA2FD657FBD6625" pageId="22" pageNumber="23" type="discussion">
<paragraph id="F97D4443FF9DFFDC8FA2FD657FBD6625" blockId="22.[151,1437,298,847]" pageId="22" pageNumber="23">
<emphasis id="CBB69851FF9DFFDC8FA2FD657C0C666E" bold="true" box="[197,340,746,772]" pageId="22" pageNumber="23">Discussion.</emphasis>
<taxonomicName id="3EC23FC0FF9DFFDC8E3BFD657F1B6669" box="[348,579,746,771]" class="Insecta" family="Heptageniidae" genus="Epeorus" kingdom="Animalia" order="Ephemeroptera" pageId="22" pageNumber="23" phylum="Arthropoda" rank="species" species="bifurcatus">
<emphasis id="CBB69851FF9DFFDC8E3BFD657F1B6669" box="[348,579,746,771]" italics="true" pageId="22" pageNumber="23">Epeorus bifurcatus</emphasis>
</taxonomicName>
is new for
<collectingCountry id="81D504D3FF9DFFDC8DA9FD657E65666E" box="[718,829,746,772]" name="Thailand" pageId="22" pageNumber="23">Thailand</collectingCountry>
. To date this species is only known from
<collectingCountry id="81D504D3FF9DFFDC8A51FD6578C4666E" box="[1334,1436,746,772]" name="Vietnam" pageId="22" pageNumber="23">Vietnam</collectingCountry>
(
<bibRefCitation id="9D5339B2FF9DFFDC8FF8FC9F7CE66640" author="Nguyen" box="[159,446,784,810]" pageId="22" pageNumber="23" refString="Nguyen, V. V. &amp; Bae, Y. J. (2004 a) Larvae of the Heptageniid Mayfly Genus Epeorus (Ephemeroptera: Heptageniidae) from Vietnam. Journal of Asia-Pacific Entomology, 7, 19 - 28." type="book chapter" year="2004" yearSuffix="a">Nguyen &amp; Bae 2004a</bibRefCitation>
) and
<collectingCountry id="81D504D3FF9DFFDC8D6FFC9F7FD86640" box="[520,640,784,810]" name="Thailand" pageId="22" pageNumber="23">Thailand</collectingCountry>
. Comments on its distribution are seen above under
<emphasis id="CBB69851FF9DFFDC8A55FC9F7C196624" italics="true" pageId="22" pageNumber="23">
<taxonomicName id="3EC23FC0FF9DFFDC8A55FC9F7C666624" class="Insecta" family="Heptageniidae" genus="Epeorus" kingdom="Animalia" order="Ephemeroptera" pageId="22" pageNumber="23" phylum="Arthropoda" rank="species" species="inthanonensis">Epeorus inthanonensis</taxonomicName>
.
</emphasis>
Adults and subadults are unknown.
</paragraph>
</subSubSection>
</treatment>
</document>