treatments-xml/data/61/7C/87/617C87EFFF877E3197C1FEAA743DF94A.xml
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<document id="90847484FE41E731E1F29BB482CB8C32" ID-CLB-Dataset="45685" ID-DOI="10.11646/zootaxa.3802.2.3" ID-GBIF-Dataset="dc68cd55-de01-4b44-854c-ede950ae13ba" ID-ISSN="1175-5326" ID-Zenodo-Dep="226423" ID-ZooBank="8585D3AD-653C-4ED6-8523-FB6427A313C5" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.taxonomicNames_approvedBy="felipe" checkinTime="1460425773746" checkinUser="plazi" docAuthor="Sartori, Michel" docDate="2014" docId="617C87EFFF877E3197C1FEAA743DF94A" docLanguage="en" docName="zt03802p208.pdf" docOrigin="Zootaxa 3802 (2)" docStyle="DocumentStyle:647186512141C8FC8976D5BCC54AEB7D.9:Zootaxa.2013-.journal_article" docStyleId="647186512141C8FC8976D5BCC54AEB7D" docStyleName="Zootaxa.2013-.journal_article" docStyleVersion="9" docTitle="Rhithrogena parva" docType="treatment" docVersion="13" lastPageNumber="205" masterDocId="9D45FF97FF8D7E3D9756FF827007FF9D" masterDocTitle="What is Ecdyonurus sumatranus Ulmer, 1939? A contribution to the knowledge of the genus Rhithrogena in the Oriental Region (Ephemeroptera, Heptageniidae)" masterLastPageNumber="208" masterPageNumber="193" pageNumber="203" updateTime="1698330650236" updateUser="ExternalLinkService">
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<mods:title id="A69192FDE7197946E1A1C8EC21437DFD">What is Ecdyonurus sumatranus Ulmer, 1939? A contribution to the knowledge of the genus Rhithrogena in the Oriental Region (Ephemeroptera, Heptageniidae)</mods:title>
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<mods:namePart id="73884E536525C091461E1054A10E89DA">Sartori, Michel</mods:namePart>
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<mods:date id="3926BDC32A7F0B39C6AAB7E6A6C9CE0D">2014</mods:date>
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<mods:number id="DF37607DF75C6C403FF27F20DFB56479">2014-05-26</mods:number>
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<mods:identifier id="49E0B2C0C1C986882CA6E278E289A68C" type="DOI">10.11646/zootaxa.3802.2.3</mods:identifier>
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<treatment id="617C87EFFF877E3197C1FEAA743DF94A" ID-DOI="http://doi.org/10.5281/zenodo.6141717" ID-GBIF-Taxon="119428432" ID-Zenodo-Dep="6141717" LSID="urn:lsid:plazi:treatment:617C87EFFF877E3197C1FEAA743DF94A" httpUri="http://treatment.plazi.org/id/617C87EFFF877E3197C1FEAA743DF94A" lastPageId="12" lastPageNumber="205" pageId="10" pageNumber="203">
<subSubSection id="A1CF6572FF877E3797C1FEAA722BFEDF" box="[151,556,296,322]" pageId="10" pageNumber="203" type="nomenclature">
<paragraph id="E96A36F9FF877E3797C1FEAA722BFEDF" blockId="10.[151,556,296,322]" box="[151,556,296,322]" pageId="10" pageNumber="203">
<heading id="B2228195FF877E3797C1FEAA722BFEDF" bold="true" box="[151,556,296,322]" fontSize="11" level="1" pageId="10" pageNumber="203" reason="1">
<taxonomicName id="2ED54D7AFF877E3797C1FEAA722BFEDF" ID-CoL="4SBQD" authority="(Ulmer, 1912)" baseAuthorityName="Ulmer" baseAuthorityYear="1912" box="[151,556,296,322]" class="Insecta" family="Heptageniidae" genus="Rhithrogena" kingdom="Animalia" order="Ephemeroptera" pageId="10" pageNumber="203" phylum="Arthropoda" rank="species" species="parva">
<emphasis id="DBA1EAEBFF877E3797C1FEAA722BFEDF" bold="true" box="[151,556,296,322]" pageId="10" pageNumber="203">
<emphasis id="DBA1EAEBFF877E3797C1FEAA717BFEDF" bold="true" box="[151,380,296,322]" italics="true" pageId="10" pageNumber="203">Rhithrogena parva</emphasis>
(
<bibRefCitation id="8D444B08FF877E3796DDFEAA7223FEDF" author="Ulmer" box="[395,548,296,322]" firstAuthor="Ulmer" journalOrPublisher="Entomologische Mitteilungen" pageId="10" pageNumber="203" pagination="369 - 375" part="1" refId="ref7321" refString="Ulmer, G. (1912) H. Sauter's Formosa-Ausbeute, Ephemeriden. Entomologische Mitteilungen, 1, 369 - 375." title="H. Sauter's Formosa-Ausbeute, Ephemeriden" type="journal article" year="1912">Ulmer, 1912</bibRefCitation>
)
</emphasis>
</taxonomicName>
</heading>
</paragraph>
</subSubSection>
<subSubSection id="A1CF6572FF877E3797C1FEEC72E4FE7D" pageId="10" pageNumber="203" type="reference_group">
<paragraph id="E96A36F9FF877E3797C1FEEC72E4FE19" blockId="10.[151,739,366,480]" box="[151,739,366,389]" pageId="10" pageNumber="203">
<taxonomicName id="2ED54D7AFF877E3797C1FEEC71E5FE19" authority="Ulmer, 1912" authorityName="Ulmer" authorityYear="1912" box="[151,482,366,389]" class="Insecta" family="Heptageniidae" genus="Ecdyonurus" kingdom="Animalia" order="Ephemeroptera" pageId="10" pageNumber="203" phylum="Arthropoda" rank="species" species="parvus">
<emphasis id="DBA1EAEBFF877E3797C1FEEC715DFE18" box="[151,346,366,389]" italics="true" pageId="10" pageNumber="203">Ecdyonurus parvus</emphasis>
<bibRefCitation id="8D444B08FF877E379637FEEC71E5FE19" author="Ulmer" box="[353,482,366,388]" firstAuthor="Ulmer" journalOrPublisher="Entomologische Mitteilungen" pageId="10" pageNumber="203" pagination="369 - 375" part="1" refId="ref7321" refString="Ulmer, G. (1912) H. Sauter's Formosa-Ausbeute, Ephemeriden. Entomologische Mitteilungen, 1, 369 - 375." title="H. Sauter's Formosa-Ausbeute, Ephemeriden" type="journal article" year="1912">Ulmer, 1912</bibRefCitation>
</taxonomicName>
, male and female imagos
</paragraph>
<paragraph id="E96A36F9FF877E3797C1FE0F71D2FE3E" blockId="10.[151,739,366,480]" box="[151,469,397,419]" pageId="10" pageNumber="203">
<taxonomicName id="2ED54D7AFF877E3797C1FE0F71D2FE3E" ID-CoL="4SBQD" authority="Ulmer 1920" authorityName="Ulmer" authorityYear="1920" box="[151,469,397,419]" class="Insecta" family="Heptageniidae" genus="Rhithrogena" kingdom="Animalia" order="Ephemeroptera" pageId="10" pageNumber="203" phylum="Arthropoda" rank="species" species="parva">
<emphasis id="DBA1EAEBFF877E3797C1FE0F7151FE3E" box="[151,342,397,419]" italics="true" pageId="10" pageNumber="203">Rhithrogena parva</emphasis>
<bibRefCitation id="8D444B08FF877E37960AFE0F71D2FE3E" author="Ulmer" box="[348,469,397,419]" firstAuthor="Ulmer" journalOrPublisher="Stettiner Entomologische Zeitung" pageId="10" pageNumber="203" pagination="97 - 144" part="81" refId="ref7344" refString="Ulmer, G. (1920) Ubersicht uber die Gattungen der Ephemeropteren, nebst Bemerkungen uber einzelne Arten. Stettiner Entomologische Zeitung, 81, 97 - 144" title="Ubersicht uber die Gattungen der Ephemeropteren, nebst Bemerkungen uber einzelne Arten" type="journal article" year="1920">Ulmer 1920</bibRefCitation>
</taxonomicName>
</paragraph>
<paragraph id="E96A36F9FF877E3797C1FE2E7281FE5F" blockId="10.[151,739,366,480]" box="[151,646,428,450]" pageId="10" pageNumber="203">
<emphasis id="DBA1EAEBFF877E3797C1FE2E70BCFE5C" bold="true" box="[151,187,428,449]" pageId="10" pageNumber="203">nec</emphasis>
<emphasis id="DBA1EAEBFF877E379794FE2E71A3FE5C" box="[194,420,428,450]" italics="true" pageId="10" pageNumber="203">
<taxonomicName id="2ED54D7AFF877E379794FE2E7186FE5F" ID-CoL="4SBQD" authorityName="Ulmer" authorityYear="1920" box="[194,385,428,450]" class="Insecta" family="Heptageniidae" genus="Rhithrogena" kingdom="Animalia" order="Ephemeroptera" pageId="10" pageNumber="203" phylum="Arthropoda" rank="species" species="parva">Rhithrogena parva</taxonomicName>
(?)
</emphasis>
<bibRefCitation id="8D444B08FF877E3796FDFE2E722BFE5F" author="Ulmer" box="[427,556,428,450]" firstAuthor="Ulmer" journalOrPublisher="Archiv fur Hydrobiologie" pageId="10" pageNumber="203" pagination="443 - 692" part="16" refId="ref7373" refString="Ulmer, G. (1939) Eintagsfliegen (Ephemeropteren) von den Sunda-Inseln. Archiv fur Hydrobiologie, 16, 443 - 692." title="Eintagsfliegen (Ephemeropteren) von den Sunda-Inseln" type="journal article" year="1939">Ulmer, 1939</bibRefCitation>
, nymphs
</paragraph>
<paragraph id="E96A36F9FF877E3797C1FE4872E4FE7D" blockId="10.[151,739,366,480]" box="[151,739,458,480]" pageId="10" pageNumber="203">
<taxonomicName id="2ED54D7AFF877E3797C1FE48722EFE7D" ID-CoL="4SBQD" authority="Kang &amp; Yang, 1994" authorityName="Kang &amp; Yang" authorityYear="1994" box="[151,553,458,480]" class="Insecta" family="Heptageniidae" genus="Rhithrogena" kingdom="Animalia" order="Ephemeroptera" pageId="10" pageNumber="203" phylum="Arthropoda" rank="species" species="parva">
<emphasis id="DBA1EAEBFF877E3797C1FE487151FE7D" box="[151,342,458,480]" italics="true" pageId="10" pageNumber="203">Rhithrogena parva</emphasis>
<bibRefCitation id="8D444B08FF877E37960AFE49722EFE7D" author="Kang &amp; Yang" box="[348,553,458,480]" firstAuthor="Kang" journalOrPublisher="Journal of Taiwan Museum" pageId="10" pageNumber="203" pagination="5 - 36" part="47" refId="ref6677" refString="Kang, S. C. &amp; Yang, C. T. (1994) Heptageniidae of Taiwan (Ephemeroptera). Journal of Taiwan Museum, 47, 5 - 36." title="Heptageniidae of Taiwan (Ephemeroptera)" type="journal article" year="1994">Kang &amp; Yang, 1994</bibRefCitation>
</taxonomicName>
, nymphs and eggs
</paragraph>
</subSubSection>
<subSubSection id="A1CF6572FF877E3797C1FD8F7200FD60" pageId="10" pageNumber="203" type="materials_examined">
<paragraph id="E96A36F9FF877E3797C1FD8F725FFDF0" blockId="10.[151,1436,525,1954]" pageId="10" pageNumber="203">
<emphasis id="DBA1EAEBFF877E3797C1FD8F7101FDBB" bold="true" box="[151,262,525,550]" pageId="10" pageNumber="203">Material.</emphasis>
22 pinned
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specimens (
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and
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):
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<collectingCountry id="91C27669FF877E3794F7FD8C7404FDB8" box="[929,1027,526,549]" name="Taiwan" pageId="10" pageNumber="203">Formosa</collectingCountry>
[
<collectingCountry id="91C27669FF877E379342FD8F7469FDBB" box="[1044,1134,525,550]" name="Taiwan" pageId="10" pageNumber="203">Taiwan</collectingCountry>
], Taihorin (= Taihorinsho) [currently known as Dalin, Chiayi County],
<specimenCount id="FFD3FD70FF877E3795D1FDB372E8FDD7" box="[647,751,561,586]" pageId="10" pageNumber="203" type="male">16 males</specimenCount>
,
<specimenCount id="FFD3FD70FF877E3795ACFDB37358FDD7" box="[762,863,561,586]" pageId="10" pageNumber="203" type="female">1 female</specimenCount>
,
<date id="9D6B1039FF877E37943CFDB073E2FDD4" box="[874,997,561,585]" pageId="10" pageNumber="203" value="1909-08">VIII. 1909</date>
</materialsCitation>
;
<materialsCitation id="59BD3CA4FF877E3794A6FDB374AEFDD4" ID-GBIF-Occurrence="3707770307" box="[1008,1193,561,586]" pageId="10" pageNumber="203">
<specimenCount id="FFD3FD70FF877E3794A6FDB37439FDD7" box="[1008,1086,561,586]" pageId="10" pageNumber="203" type="male">1 male</specimenCount>
,
<date id="9D6B1039FF877E37931CFDB374AEFDD4" box="[1098,1193,561,585]" pageId="10" pageNumber="203" value="1909-09">IX.1909</date>
</materialsCitation>
;
<materialsCitation id="59BD3CA4FF877E3793E3FDB3759FFDD4" ID-GBIF-Occurrence="3707770308" box="[1205,1432,561,586]" pageId="10" pageNumber="203">
<specimenCount id="FFD3FD70FF877E3793E3FDB3751DFDD7" box="[1205,1306,561,586]" pageId="10" pageNumber="203" type="female">1 female</specimenCount>
,
<date id="9D6B1039FF877E379273FDB3759FFDD4" box="[1317,1432,561,585]" pageId="10" pageNumber="203" value="1910-08">VIII.1910</date>
</materialsCitation>
;
<materialsCitation id="59BD3CA4FF877E3797C1FDD4725FFDF0" ID-GBIF-Occurrence="3707770311" box="[151,600,597,622]" pageId="10" pageNumber="203">
<specimenCount id="FFD3FD70FF877E3797C1FDD470F7FDF3" box="[151,240,597,622]" pageId="10" pageNumber="203" type="male">3 males</specimenCount>
,
<date id="9D6B1039FF877E3797ADFDD4715DFDF3" box="[251,346,598,622]" pageId="10" pageNumber="203" value="1910-11">XI.1910</date>
, H. Sauter leg. [
<collectionCode id="8FC4AE3CFF877E37955BFDD47256FDF0" box="[525,593,598,621]" httpUri="http://grbio.org/cool/kdnf-0379" name="Zoologisches Museum Hamburg" pageId="10" pageNumber="203">ZMH</collectionCode>
]
</materialsCitation>
</paragraph>
<paragraph id="E96A36F9FF877E379791FDF8717DFD2B" blockId="10.[151,1436,525,1954]" pageId="10" pageNumber="203">
<materialsCitation id="59BD3CA4FF877E379791FDF872DDFD0C" ID-GBIF-Occurrence="3707770312" box="[199,730,633,658]" collectingDate="1909-08" collectionCode="MZL" country="Taiwan" county="Chiayi" location="Dalin" pageId="10" pageNumber="203" specimenCount="2" specimenCount-male="2" stateProvince="Formosa">
Two males from
<date id="9D6B1039FF877E3796DDFDF871FDFD0F" box="[395,506,634,658]" pageId="10" pageNumber="203" value="1909-08">VIII.1909</date>
[one now in
<collectionCode id="8FC4AE3CFF877E3795C0FDF872D3FD0C" box="[662,724,634,657]" httpUri="http://grbio.org/cool/pm5v-0p6q" name="Musee Zoologique" pageId="10" pageNumber="203">MZL</collectionCode>
]
</materialsCitation>
and the female from
<date id="9D6B1039FF877E379482FDF87444FD0F" box="[980,1091,634,658]" pageId="10" pageNumber="203" value="1910-08">VIII.1910</date>
have been rehydrated and are currently in ethanol.
</paragraph>
<paragraph id="E96A36F9FF877E379791FD407200FD60" blockId="10.[151,1436,525,1954]" pageId="10" pageNumber="203">
<materialsCitation id="59BD3CA4FF877E379791FD407200FD60" ID-GBIF-Occurrence="3707770304" collectingDate="1991-01-02" collectionCode="MZL" collectorName="C. K. Kang" country="Taiwan" elevation="280" location="Juisui" municipality="Fuyan" pageId="10" pageNumber="203" specimenCount="2" specimenCount-nymphe="2">
<specimenCount id="FFD3FD70FF877E379791FD407147FD47" box="[199,320,705,730]" pageId="10" pageNumber="203">2 nymphs</specimenCount>
, one entirely mounted on microscopic slide:
<collectingCountry id="91C27669FF877E37943BFD4373C5FD47" box="[877,962,705,730]" name="Taiwan" pageId="10" pageNumber="203">Taiwan</collectingCountry>
,
<collectingMunicipality id="090EAC83FF877E379483FD407419FD47" box="[981,1054,706,730]" pageId="10" pageNumber="203">Fuyan</collectingMunicipality>
,
<location id="EC0A6022FF877E379367FD437472FD47" LSID="urn:lsid:plazi:treatment:617C87EFFF877E3197C1FEAA743DF94A:EC0A6022FF877E379367FD437472FD47" box="[1073,1141,705,730]" country="Taiwan" municipality="Fuyan" name="Juisui" pageId="10" pageNumber="203">Juisui</location>
,
<location id="EC0A6022FF877E3793DEFD437534FD47" LSID="urn:lsid:plazi:treatment:617C87EFFF877E3197C1FEAA743DF94A:EC0A6022FF877E3793DEFD437534FD47" box="[1160,1331,705,730]" country="Taiwan" municipality="Fuyan" name="Hualien Hsien" pageId="10" pageNumber="203">Hualien Hsien</location>
,
<quantity id="2E2D9B1CFF877E379211FD407590FD44" box="[1351,1431,706,730]" metricMagnitude="2" metricUnit="m" metricValue="2.8" pageId="10" pageNumber="203" unit="m" value="280.0">
<elevation id="62F8D1CAFF877E379211FD407590FD44" box="[1351,1431,706,730]" metricMagnitude="2" metricUnit="m" metricValue="2.8" pageId="10" pageNumber="203" unit="m" value="280.0">280 m</elevation>
</quantity>
,
<date id="9D6B1039FF877E3797C1FD647103FD63" box="[151,260,742,766]" pageId="10" pageNumber="203" value="1991-01-02">
<collectingDate id="8D2FE9D1FF877E3797C1FD647103FD63" box="[151,260,742,766]" pageId="10" pageNumber="203" value="1991-01-02">02.I.1991</collectingDate>
</date>
,
<collectorName id="4420532FFF877E379646FD64718EFD63" box="[272,393,742,766]" pageId="10" pageNumber="203">C.K. Kang</collectorName>
leg [
<collectionCode id="8FC4AE3CFF877E379696FD647207FD60" box="[448,512,742,765]" httpUri="http://grbio.org/cool/pm5v-0p6q" name="Musee Zoologique" pageId="10" pageNumber="203">MZL</collectionCode>
]
</materialsCitation>
</paragraph>
</subSubSection>
<subSubSection id="A1CF6572FF877E379791FC8B74E5F957" pageId="10" pageNumber="203" type="description">
<paragraph id="E96A36F9FF877E379791FC8B73A0FCBC" blockId="10.[151,1436,525,1954]" box="[199,935,777,802]" pageId="10" pageNumber="203">
<emphasis id="DBA1EAEBFF877E379791FC8B715CFCBF" bold="true" box="[199,347,777,802]" pageId="10" pageNumber="203">Male imago.</emphasis>
Body length: ca
<quantity id="2E2D9B1CFF877E37954CFC887259FCBC" box="[538,606,778,802]" metricMagnitude="-3" metricUnit="m" metricValue="8.0" pageId="10" pageNumber="203" unit="mm" value="8.0">8 mm</quantity>
; forewing length: ca
<quantity id="2E2D9B1CFF877E37941CFC8B73A4FCBC" box="[842,931,777,802]" metricMagnitude="-3" metricUnit="m" metricValue="8.5" pageId="10" pageNumber="203" unit="mm" value="8.5">8.5 mm</quantity>
.
</paragraph>
<paragraph id="E96A36F9FF877E379791FCAF7439FC13" blockId="10.[151,1436,525,1954]" pageId="10" pageNumber="203">
General coloration medium to dark brown, without specific patterns; abdominal sternites lighter than tergites; forelegs dark brown, mid- and hindlegs medium brown, upper face of femora with large elongated dark macula in middle (
<figureCitation id="71EE2A7CFF877E3797A2FCF77130FC13" box="[244,311,885,910]" captionStart="FIGURES 1 7" captionStartId="2.[151,264,1900,1923]" captionTargetBox="[229,1348,196,1846]" captionTargetId="figure@2.[216,1363,193,1863]" captionTargetPageId="2" captionText="FIGURES 1 7. Hind legs of different Heptageniidae female imagos. Fig. 1: Rhithrogena sumatrana; Fig. 2: Rhithrogena cf. hybrida; Fig. 3: Rhithrogena parva; Fig. 4: Paegniodes cupulatus (all Rhithrogeninae); Fig. 5: Heptagenia sulphurea (Heptageniinae); Fig. 6: “ Thalerosphyrus ” sinuosus; Fig. 7: “ Thalerosphyrus ” determinatus (Ecdyonurinae). All at the same scale" httpUri="https://zenodo.org/record/226424/files/figure.png" pageId="10" pageNumber="203">Fig. 3</figureCitation>
); coxae of mid- and hindlegs blackish; cerci entirely medium brown.
</paragraph>
<paragraph id="E96A36F9FF877E379791FC1B73ECFC4B" blockId="10.[151,1436,525,1954]" pageId="10" pageNumber="203">Wings translucent, longitudinal veins medium brown. Forewings with apex of the costal and subcostal fields tinted in medium brown; pterostigmatic area with 1315 simple cross veins.</paragraph>
<paragraph id="E96A36F9FF877E379791FC63759BFB83" blockId="10.[151,1436,525,1954]" pageId="10" pageNumber="203">
Forelegs as described and illustrated by
<bibRefCitation id="8D444B08FF877E3795C0FC637380FC67" author="Ulmer, G." box="[662,903,993,1018]" journalOrPublisher="Entomologische Mitteilungen" pageId="10" pageNumber="203" pagination="369 - 375" part="1" refId="ref7321" refString="Ulmer, G. (1912) H. Sauter's Formosa-Ausbeute, Ephemeriden. Entomologische Mitteilungen, 1, 369 - 375." title="H. Sauter's Formosa-Ausbeute, Ephemeriden" type="journal article" year="1912">
Ulmer (1912:
<figureCitation id="71EE2A7CFF877E37946FFC63737AFC67" box="[825,893,993,1018]" captionStart="FIGURES 8 9" captionStartId="3.[151,264,1958,1981]" captionTargetBox="[186,1404,204,1936]" captionTargetId="figure@3.[175,1411,193,1938]" captionTargetPageId="3" captionText="FIGURES 8 9. Egg structures of Rh. sumatrana (Fig. 8) and Paegniodes cupulatus (Fig. 9). a: egg in toto; b: detail of the pole; c: micropyle area." httpUri="https://zenodo.org/record/226425/files/figure.png" pageId="10" pageNumber="203">Fig. 8</figureCitation>
)
</bibRefCitation>
, tarsal composition 2&gt;3&gt;4&gt;5&gt;1; segment 1 ca 0.200.25x length of segment 2. Tarsal claw with enlarged paddle-like ungula and reduced claw-like one (
<figureCitation id="71EE2A7CFF877E37926AFB877588FB83" box="[1340,1423,1029,1054]" captionStart="FIGURES 27 32" captionStartId="11.[151,264,1899,1922]" captionTargetBox="[209,1365,235,1872]" captionTargetId="figure@11.[196,1390,193,1878]" captionTargetPageId="11" captionText="FIGURES 27 32. Rh. parva male and female imagos. Fig. 27: male genitalia; Fig. 28: penis lobe in ventral position, with a drawing of the other titillators; Fig. 29: the same in dorso-lateral position; Fig. 30: the same in dorso-apical position; Fig. 31: detail of the fore tarsal claw of the male imago; Fig. 32: outline of the female subanal plate." httpUri="https://zenodo.org/record/226430/files/figure.png" pageId="10" pageNumber="203">Fig. 31</figureCitation>
).
</paragraph>
<paragraph id="E96A36F9FF877E379791FBAB73A8FB4F" blockId="10.[151,1436,525,1954]" pageId="10" pageNumber="203">
Styliger plate straight to slightly concave, with two lateral rounded, asymmetrical processes (
<figureCitation id="71EE2A7CFF877E379265FBAB7588FBDF" box="[1331,1423,1065,1090]" captionStart="FIGURES 27 32" captionStartId="11.[151,264,1899,1922]" captionTargetBox="[209,1365,235,1872]" captionTargetId="figure@11.[196,1390,193,1878]" captionTargetPageId="11" captionText="FIGURES 27 32. Rh. parva male and female imagos. Fig. 27: male genitalia; Fig. 28: penis lobe in ventral position, with a drawing of the other titillators; Fig. 29: the same in dorso-lateral position; Fig. 30: the same in dorso-apical position; Fig. 31: detail of the fore tarsal claw of the male imago; Fig. 32: outline of the female subanal plate." httpUri="https://zenodo.org/record/226430/files/figure.png" pageId="10" pageNumber="203">Fig. 27</figureCitation>
); gonopods 4-segmented, terminal segment slightly smaller than penultimate segment. Penis lobes V-shaped, cylindrical; in ventral view, apical sclerite with small tooth near large and elongate gonopore (
<figureCitation id="71EE2A7CFF877E37939DFBF37527FB17" box="[1227,1312,1137,1162]" captionStart="FIGURES 27 32" captionStartId="11.[151,264,1899,1922]" captionTargetBox="[209,1365,235,1872]" captionTargetId="figure@11.[196,1390,193,1878]" captionTargetPageId="11" captionText="FIGURES 27 32. Rh. parva male and female imagos. Fig. 27: male genitalia; Fig. 28: penis lobe in ventral position, with a drawing of the other titillators; Fig. 29: the same in dorso-lateral position; Fig. 30: the same in dorso-apical position; Fig. 31: detail of the fore tarsal claw of the male imago; Fig. 32: outline of the female subanal plate." httpUri="https://zenodo.org/record/226430/files/figure.png" pageId="10" pageNumber="203">Fig. 28</figureCitation>
); titillators stout and composed of 23 teeth at apex and with others scattered on its face (
<figureCitation id="71EE2A7CFF877E379348FB177473FB33" box="[1054,1140,1173,1198]" captionStart="FIGURES 27 32" captionStartId="11.[151,264,1899,1922]" captionTargetBox="[209,1365,235,1872]" captionTargetId="figure@11.[196,1390,193,1878]" captionTargetPageId="11" captionText="FIGURES 27 32. Rh. parva male and female imagos. Fig. 27: male genitalia; Fig. 28: penis lobe in ventral position, with a drawing of the other titillators; Fig. 29: the same in dorso-lateral position; Fig. 30: the same in dorso-apical position; Fig. 31: detail of the fore tarsal claw of the male imago; Fig. 32: outline of the female subanal plate." httpUri="https://zenodo.org/record/226430/files/figure.png" pageId="10" pageNumber="203">Fig. 28</figureCitation>
); in dorsal or lateral view (
<figureCitation id="71EE2A7CFF877E3797C9FB3B7126FB4F" box="[159,289,1209,1234]" captionStart="FIGURES 27 32" captionStartId="11.[151,264,1899,1922]" captionTargetBox="[209,1365,235,1872]" captionTargetId="figure@11.[196,1390,193,1878]" captionTargetPageId="11" captionText="FIGURES 27 32. Rh. parva male and female imagos. Fig. 27: male genitalia; Fig. 28: penis lobe in ventral position, with a drawing of the other titillators; Fig. 29: the same in dorso-lateral position; Fig. 30: the same in dorso-apical position; Fig. 31: detail of the fore tarsal claw of the male imago; Fig. 32: outline of the female subanal plate." httpUri="https://zenodo.org/record/226430/files/figure.png" pageId="10" pageNumber="203">Figs 2930</figureCitation>
), large and acute spine at apex, not visible in ventral view.
</paragraph>
<paragraph id="E96A36F9FF877E379791FB5F73D7FB68" blockId="10.[151,1436,525,1954]" box="[199,976,1245,1270]" pageId="10" pageNumber="203">
<emphasis id="DBA1EAEBFF877E379791FB5F7172FB6B" bold="true" box="[199,373,1245,1270]" pageId="10" pageNumber="203">Female imago.</emphasis>
Body length: ca
<quantity id="2E2D9B1CFF877E379562FB5C727FFB68" box="[564,632,1246,1270]" metricMagnitude="-3" metricUnit="m" metricValue="9.0" pageId="10" pageNumber="203" unit="mm" value="9.0">9 mm</quantity>
; forewing length: ca
<quantity id="2E2D9B1CFF877E379432FB5F73CCFB68" box="[868,971,1245,1270]" metricMagnitude="-2" metricUnit="m" metricValue="1.05" pageId="10" pageNumber="203" unit="mm" value="10.5">10.5 mm</quantity>
.
</paragraph>
<paragraph id="E96A36F9FF877E379791FA83742CFA87" blockId="10.[151,1436,525,1954]" box="[199,1067,1281,1306]" pageId="10" pageNumber="203">General coloration as in male, coxae medium brown, wing coloration similar.</paragraph>
<paragraph id="E96A36F9FF877E379791FAA77516FAA3" blockId="10.[151,1436,525,1954]" box="[199,1297,1317,1342]" pageId="10" pageNumber="203">
<collectingCountry id="91C27669FF877E379791FAA770F8FAA3" box="[199,255,1317,1342]" name="India" pageId="10" pageNumber="203">Hind</collectingCountry>
leg with very short tarsi, about 0.25x length of tibia; tarsal composition 5&gt;2&gt;1&gt;3=4 (
<figureCitation id="71EE2A7CFF877E3793E9FAA77504FAA3" box="[1215,1283,1317,1342]" captionStart="FIGURES 1 7" captionStartId="2.[151,264,1900,1923]" captionTargetBox="[229,1348,196,1846]" captionTargetId="figure@2.[216,1363,193,1863]" captionTargetPageId="2" captionText="FIGURES 1 7. Hind legs of different Heptageniidae female imagos. Fig. 1: Rhithrogena sumatrana; Fig. 2: Rhithrogena cf. hybrida; Fig. 3: Rhithrogena parva; Fig. 4: Paegniodes cupulatus (all Rhithrogeninae); Fig. 5: Heptagenia sulphurea (Heptageniinae); Fig. 6: “ Thalerosphyrus ” sinuosus; Fig. 7: “ Thalerosphyrus ” determinatus (Ecdyonurinae). All at the same scale" httpUri="https://zenodo.org/record/226424/files/figure.png" pageId="10" pageNumber="203">Fig. 3</figureCitation>
).
</paragraph>
<paragraph id="E96A36F9FF877E379791FACB73A4FAFF" blockId="10.[151,1436,525,1954]" box="[199,931,1353,1378]" pageId="10" pageNumber="203">
Subanal plate clearly concave, median incision shallow (
<figureCitation id="71EE2A7CFF877E379414FACB7391FAFF" box="[834,918,1353,1378]" captionStart="FIGURES 27 32" captionStartId="11.[151,264,1899,1922]" captionTargetBox="[209,1365,235,1872]" captionTargetId="figure@11.[196,1390,193,1878]" captionTargetPageId="11" captionText="FIGURES 27 32. Rh. parva male and female imagos. Fig. 27: male genitalia; Fig. 28: penis lobe in ventral position, with a drawing of the other titillators; Fig. 29: the same in dorso-lateral position; Fig. 30: the same in dorso-apical position; Fig. 31: detail of the fore tarsal claw of the male imago; Fig. 32: outline of the female subanal plate." httpUri="https://zenodo.org/record/226430/files/figure.png" pageId="10" pageNumber="203">Fig. 32</figureCitation>
).
</paragraph>
<paragraph id="E96A36F9FF877E379791FAEF74E0FA1B" blockId="10.[151,1436,525,1954]" box="[199,1255,1389,1414]" pageId="10" pageNumber="203">
<emphasis id="DBA1EAEBFF877E379791FAEF7121FA1B" bold="true" box="[199,294,1389,1414]" pageId="10" pageNumber="203">Nymph.</emphasis>
Described already by
<bibRefCitation id="8D444B08FF877E379574FAEC7317FA1B" author="Kang &amp; Yang" box="[546,784,1390,1414]" firstAuthor="Kang" journalOrPublisher="Journal of Taiwan Museum" pageId="10" pageNumber="203" pagination="5 - 36" part="47" refId="ref6677" refString="Kang, S. C. &amp; Yang, C. T. (1994) Heptageniidae of Taiwan (Ephemeroptera). Journal of Taiwan Museum, 47, 5 - 36." title="Heptageniidae of Taiwan (Ephemeroptera)" type="journal article" year="1994">Kang &amp; Yang (1994)</bibRefCitation>
, supplementary information is as follows.
</paragraph>
<paragraph id="E96A36F9FF877E379791FA137422F988" blockId="10.[151,1436,525,1954]" pageId="10" pageNumber="203">
Labrum similar to that of
<taxonomicName id="2ED54D7AFF877E3796BAFA137296FA34" authorityName="Sartori" authorityYear="2014" baseAuthorityName="Ulmer" baseAuthorityYear="1939" box="[492,657,1425,1450]" class="Insecta" family="Heptageniidae" genus="Rhithrogena" kingdom="Animalia" order="Ephemeroptera" pageId="10" pageNumber="203" phylum="Arthropoda" rank="species" species="sumatrana">
<emphasis id="DBA1EAEBFF877E3796BAFA137296FA34" box="[492,657,1425,1450]" italics="true" pageId="10" pageNumber="203">Rh. sumatrana</emphasis>
</taxonomicName>
, but tuft of thin and short setae in median position much larger (
<figureCitation id="71EE2A7CFF877E379239FA1370B3FA53" captionStart="FIGURES 10 13" captionStartId="4.[151,264,1375,1398]" captionTargetBox="[185,1402,193,1350]" captionTargetId="figure@4.[166,1420,173,1372]" captionTargetPageId="4" captionText="FIGURES 10 13. Larval structures of Rh. sumatrana (Figs 10 and 12) and Rhithrogena parva (Figs 11 and 13). Figs 10 11: labrum in dorsal position; Figs 12 13: gill I" httpUri="https://zenodo.org/record/226426/files/figure.png" pageId="10" pageNumber="203">Fig. 11</figureCitation>
). Mandibles with row of setae below inner incisor short and not reaching middle of distance to mola (
<figureCitation id="71EE2A7CFF877E37923CFA3770E6FA6F" captionStart="FIGURES 33 36" captionStartId="12.[151,264,1341,1364]" captionTargetBox="[151,1436,208,1304]" captionTargetId="figure@12.[151,1436,193,1320]" captionTargetPageId="12" captionText="FIGURES 33 36. Details of the mandibles of Rh. parva (Figs 33 34) and Rh. ampla (Fig. 35 36). Figs 33 and 35: right mandible; Figs 34 and 36: left mandible; arrow indicates the row of thin and short setae." httpUri="https://zenodo.org/record/226431/files/figure.png" pageId="10" pageNumber="203">Figs 3334</figureCitation>
). Presence of ca 10 comb-shape setae on crown of galea-lacinia, median ones bearing 910 teeth. Labium similar, inner angle of paraglossae even more pronounced than in
<taxonomicName id="2ED54D7AFF877E37942FFA7F7419F988" authorityName="Sartori" authorityYear="2014" baseAuthorityName="Ulmer" baseAuthorityYear="1939" box="[889,1054,1533,1558]" class="Insecta" family="Heptageniidae" genus="Rhithrogena" kingdom="Animalia" order="Ephemeroptera" pageId="10" pageNumber="203" phylum="Arthropoda" rank="species" species="sumatrana">
<emphasis id="DBA1EAEBFF877E37942FFA7F7419F988" box="[889,1054,1533,1558]" italics="true" pageId="10" pageNumber="203">Rh. sumatrana</emphasis>
</taxonomicName>
.
</paragraph>
<paragraph id="E96A36F9FF877E379791F9A370ECF9C3" blockId="10.[151,1436,525,1954]" pageId="10" pageNumber="203">
Bristles on dorsal face of femora similar to those of
<taxonomicName id="2ED54D7AFF877E379461F9A3742DF9A7" authority=", Hind" authorityName="Hind" box="[823,1066,1569,1594]" class="Insecta" family="Heptageniidae" genus="Rhithrogena" kingdom="Animalia" order="Ephemeroptera" pageId="10" pageNumber="203" phylum="Arthropoda" rank="species" species="sumatrana">
<emphasis id="DBA1EAEBFF877E379461F9A373E7F9A4" box="[823,992,1569,1594]" italics="true" pageId="10" pageNumber="203">Rh. sumatrana</emphasis>
,
<collectingCountry id="91C27669FF877E3794A4F9A3742DF9A7" box="[1010,1066,1569,1594]" name="India" pageId="10" pageNumber="203">Hind</collectingCountry>
</taxonomicName>
tibiae with tibio-pattelar suture shorter.
</paragraph>
<paragraph id="E96A36F9FF877E379791F9EB74E5F957" blockId="10.[151,1436,525,1954]" pageId="10" pageNumber="203">
Gill I with margin entire and smooth (
<figureCitation id="71EE2A7CFF877E379526F9EB72C5F91F" box="[624,706,1641,1666]" captionStart="FIGURES 10 13" captionStartId="4.[151,264,1375,1398]" captionTargetBox="[185,1402,193,1350]" captionTargetId="figure@4.[166,1420,173,1372]" captionTargetPageId="4" captionText="FIGURES 10 13. Larval structures of Rh. sumatrana (Figs 10 and 12) and Rhithrogena parva (Figs 11 and 13). Figs 10 11: labrum in dorsal position; Figs 12 13: gill I" httpUri="https://zenodo.org/record/226426/files/figure.png" pageId="10" pageNumber="203">Fig. 13</figureCitation>
); plica thin and much shorter than in
<taxonomicName id="2ED54D7AFF877E379332F9EB750EF91C" box="[1124,1289,1641,1666]" class="Insecta" family="Heptageniidae" genus="Rhithrogena" kingdom="Animalia" order="Ephemeroptera" pageId="10" pageNumber="203" phylum="Arthropoda" rank="species" species="sumatrana">
<emphasis id="DBA1EAEBFF877E379332F9EB750EF91C" box="[1124,1289,1641,1666]" italics="true" pageId="10" pageNumber="203">Rh. sumatrana</emphasis>
</taxonomicName>
. Gills IIVII with margin entire. Lateral sclerites of first abdominal sternite directed posteriorly (
<figureCitation id="71EE2A7CFF877E379302F90F74ADF93B" box="[1108,1194,1677,1702]" captionStart="FIGURES 20 23" captionStartId="6.[151,264,1958,1981]" captionTargetBox="[175,1411,204,1918]" captionTargetId="figure@6.[175,1411,193,1938]" captionTargetPageId="6" captionText="FIGURES 20 23. Leg larval structures of Rh. sumatrana. Fig. 20: bristles on the dorsal face of hind femora; Fig. 21: tarsal claw. Shape of the lateral sclerites on the first abdominal sternite. Fig. 22: Rh. sumatrana; Fig. 23: Rh. parva." httpUri="https://zenodo.org/record/226428/files/figure.png" pageId="10" pageNumber="203">Fig. 23</figureCitation>
). Posterior margin of abdominal tergites with row of regular pointed teeth; submarginal microdenticles absent (
<figureCitation id="71EE2A7CFF877E3793D7F93374D2F957" box="[1153,1237,1713,1738]" captionStart="FIGURES 24 26" captionStartId="7.[151,264,1958,1981]" captionTargetBox="[175,1411,193,1936]" captionTargetId="figure@7.[175,1411,193,1938]" captionTargetPageId="7" captionText="FIGURES 24 26. Posterior margin of abdominal tergites IV V. Fig. 24: Rh. sumatrana; Fig. 25: Rh. parva; Fig. 26: Rh. ampla." httpUri="https://zenodo.org/record/226429/files/figure.png" pageId="10" pageNumber="203">Fig. 25</figureCitation>
).
</paragraph>
</subSubSection>
<subSubSection id="A1CF6572FF877E319791F957743DF94A" lastPageId="12" lastPageNumber="205" pageId="10" pageNumber="203" type="discussion">
<paragraph id="E96A36F9FF877E379791F95770D7F83F" blockId="10.[151,1436,525,1954]" pageId="10" pageNumber="203">
<emphasis id="DBA1EAEBFF877E379791F957714BF973" bold="true" box="[199,332,1749,1774]" pageId="10" pageNumber="203">Discussion.</emphasis>
<taxonomicName id="2ED54D7AFF877E379602F95771C3F970" authorityName="Kang &amp; Yang" authorityYear="1994" box="[340,452,1749,1774]" class="Insecta" family="Heptageniidae" genus="Rhithrogena" kingdom="Animalia" order="Ephemeroptera" pageId="10" pageNumber="203" phylum="Arthropoda" rank="species" species="parva">
<emphasis id="DBA1EAEBFF877E379602F95771C3F970" box="[340,452,1749,1774]" italics="true" pageId="10" pageNumber="203">Rh. parva</emphasis>
</taxonomicName>
clearly possesses all the attributes of the genus
<taxonomicName id="2ED54D7AFF877E3794BDF9577471F973" authorityName="Eaton" authorityYear="1881" box="[1003,1142,1749,1774]" class="Insecta" family="Heptageniidae" genus="Rhithrogena" kingdom="Animalia" order="Ephemeroptera" pageId="10" pageNumber="203" phylum="Arthropoda" rank="genus">
<emphasis id="DBA1EAEBFF877E3794BDF9577471F973" box="[1003,1142,1749,1774]" italics="true" pageId="10" pageNumber="203">Rhithrogena</emphasis>
</taxonomicName>
. This is evidenced by the genitalia that are described for the first time, above. The male styliger plate possesses two large humps that are more pronounced than those seen in European species, for instance; the presence of a small ventral apical spine and a larger dorsal one, together with robust titillators, are well-known genital structures within the genus. On the contrary, the cylindrical shape of the penis lobes is somewhat unusual, most of the species having a stronger penis base.
</paragraph>
<caption id="BDAA6671FF867E3697C1F8E97430F822" httpUri="https://zenodo.org/record/226430/files/figure.png" pageId="11" pageNumber="204" targetBox="[209,1365,235,1872]" targetPageId="11">
<paragraph id="E96A36F9FF867E3697C1F8E97430F822" blockId="11.[151,1436,1899,1983]" pageId="11" pageNumber="204">
<emphasis id="DBA1EAEBFF867E3697C1F8E97152F81C" bold="true" box="[151,341,1899,1922]" pageId="11" pageNumber="204">FIGURES 2732.</emphasis>
<taxonomicName id="2ED54D7AFF867E36960AF8EE71C5F81F" authorityName="Kang &amp; Yang" authorityYear="1994" box="[348,450,1900,1922]" class="Insecta" family="Heptageniidae" genus="Rhithrogena" kingdom="Animalia" order="Ephemeroptera" pageId="11" pageNumber="204" phylum="Arthropoda" rank="species" species="parva">
<emphasis id="DBA1EAEBFF867E36960AF8EE71C5F81F" box="[348,450,1900,1922]" italics="true" pageId="11" pageNumber="204">Rh. parva</emphasis>
</taxonomicName>
male and female imagos. Fig. 27: male genitalia; Fig. 28: penis lobe in ventral position, with a drawing of the other titillators; Fig. 29: the same in dorso-lateral position; Fig. 30: the same in dorso-apical position; Fig. 31: detail of the fore tarsal claw of the male imago; Fig. 32: outline of the female subanal plate.
</paragraph>
</caption>
<caption id="BDAA6671FF817E3197C1FABF7413FAEF" httpUri="https://zenodo.org/record/226431/files/figure.png" pageId="12" pageNumber="205" targetBox="[151,1436,208,1304]" targetPageId="12">
<paragraph id="E96A36F9FF817E3197C1FABF7413FAEF" blockId="12.[151,1436,1341,1394]" pageId="12" pageNumber="205">
<emphasis id="DBA1EAEBFF817E3197C1FABF7151FACE" bold="true" box="[151,342,1341,1364]" pageId="12" pageNumber="205">FIGURES 3336.</emphasis>
Details of the mandibles of
<taxonomicName id="2ED54D7AFF817E3195DEFABF72F7FAC9" authorityName="Kang &amp; Yang" authorityYear="1994" box="[648,752,1341,1364]" class="Insecta" family="Heptageniidae" genus="Rhithrogena" kingdom="Animalia" order="Ephemeroptera" pageId="12" pageNumber="205" phylum="Arthropoda" rank="species" species="parva">
<emphasis id="DBA1EAEBFF817E3195DEFABF72F7FAC9" box="[648,752,1341,1364]" italics="true" pageId="12" pageNumber="205">Rh. parva</emphasis>
</taxonomicName>
(Figs 3334) and
<taxonomicName id="2ED54D7AFF817E3194E0FABF7426FACE" authorityName="Kang &amp; Yang" authorityYear="1994" box="[950,1057,1341,1363]" class="Insecta" family="Heptageniidae" genus="Rhithrogena" kingdom="Animalia" order="Ephemeroptera" pageId="12" pageNumber="205" phylum="Arthropoda" rank="species" species="ampla">
<emphasis id="DBA1EAEBFF817E3194E0FABF7426FACE" box="[950,1057,1341,1363]" italics="true" pageId="12" pageNumber="205">Rh. ampla</emphasis>
</taxonomicName>
(Fig. 3536). Figs 33 and 35: right mandible; Figs 34 and 36: left mandible; arrow indicates the row of thin and short setae.
</paragraph>
</caption>
<paragraph id="E96A36F9FF817E319791FA1C70BCF9F6" blockId="12.[151,1436,1438,1751]" pageId="12" pageNumber="205">
The foreleg claw of the male is also intriguing because it resembles the one found in the subgenus
<taxonomicName id="2ED54D7AFF817E319240FA1C7593FA2A" authorityName="Zhou &amp; Peters" authorityYear="2004" box="[1302,1428,1438,1463]" class="Insecta" family="Heptageniidae" genus="Tumungula" higherTaxonomySource="GBIF" kingdom="Animalia" order="Ephemeroptera" pageId="12" pageNumber="205" phylum="Arthropoda" rank="genus">
<emphasis id="DBA1EAEBFF817E319240FA1C7593FA2A" box="[1302,1428,1438,1463]" italics="true" pageId="12" pageNumber="205">Tumungula</emphasis>
</taxonomicName>
; in
<taxonomicName id="2ED54D7AFF817E3197E2FA417123FA46" authorityName="Kang &amp; Yang" authorityYear="1994" box="[180,292,1475,1500]" class="Insecta" family="Heptageniidae" genus="Rhithrogena" kingdom="Animalia" order="Ephemeroptera" pageId="12" pageNumber="205" phylum="Arthropoda" rank="species" species="parva">
<emphasis id="DBA1EAEBFF817E3197E2FA417123FA46" box="[180,292,1475,1500]" italics="true" pageId="12" pageNumber="205">Rh. parva</emphasis>
</taxonomicName>
, the paddle-like claw is greatly enlarged, much more than in other species of
<taxonomicName id="2ED54D7AFF817E3193CEFA417524FA41" authorityName="Eaton" authorityYear="1881" box="[1176,1315,1475,1500]" class="Insecta" family="Heptageniidae" genus="Rhithrogena" kingdom="Animalia" order="Ephemeroptera" pageId="12" pageNumber="205" phylum="Arthropoda" rank="genus" sensu="stricto">
<emphasis id="DBA1EAEBFF817E3193CEFA417524FA41" box="[1176,1315,1475,1500]" italics="true" pageId="12" pageNumber="205">Rhithrogena</emphasis>
</taxonomicName>
<taxonomicNameLabel id="C0925790FF817E31927DFA467548FA46" box="[1323,1359,1476,1499]" pageId="12" pageNumber="205" sensu="stricto">s.s.</taxonomicNameLabel>
In
<taxonomicName id="2ED54D7AFF817E319220FA41716BFA62" authorityName="Zhou &amp; Peters" authorityYear="2004" class="Insecta" family="Heptageniidae" genus="Rhithrogena" kingdom="Animalia" order="Ephemeroptera" pageId="12" pageNumber="205" phylum="Arthropoda" rank="species" species="unica" subGenus="Tumungula">
<emphasis id="DBA1EAEBFF817E319220FA41716BFA62" italics="true" pageId="12" pageNumber="205">Rh. (Tumungula) unica</emphasis>
</taxonomicName>
, the second claw is described as “small, blunt, plate-shaped”, whereas in
<taxonomicName id="2ED54D7AFF817E3193C8FA64750AFA62" authorityName="Kang &amp; Yang" authorityYear="1994" box="[1182,1293,1510,1535]" class="Insecta" family="Heptageniidae" genus="Rhithrogena" kingdom="Animalia" order="Ephemeroptera" pageId="12" pageNumber="205" phylum="Arthropoda" rank="species" species="parva">
<emphasis id="DBA1EAEBFF817E3193C8FA64750AFA62" box="[1182,1293,1510,1535]" italics="true" pageId="12" pageNumber="205">Rh. parva</emphasis>
</taxonomicName>
it retains the hooked form as in other legs. The tarsal composition of the foreleg, with the first segment greatly reduced, the absence of acute processes on the styliger margin, and the presence of genital titillators are typical of
<taxonomicName id="2ED54D7AFF817E319247F9AC759BF9DA" authorityName="Eaton" authorityYear="1881" box="[1297,1436,1582,1607]" class="Insecta" family="Heptageniidae" genus="Rhithrogena" kingdom="Animalia" order="Ephemeroptera" pageId="12" pageNumber="205" phylum="Arthropoda" rank="genus" sensu="stricto">
<emphasis id="DBA1EAEBFF817E319247F9AC759BF9DA" box="[1297,1436,1582,1607]" italics="true" pageId="12" pageNumber="205">Rhithrogena</emphasis>
</taxonomicName>
<taxonomicNameLabel id="C0925790FF817E3197C1F9D670BCF9F6" box="[151,187,1620,1643]" pageId="12" pageNumber="205" sensu="stricto">s.s.</taxonomicNameLabel>
</paragraph>
<paragraph id="E96A36F9FF817E319791F9F4743DF94A" blockId="12.[151,1436,1438,1751]" pageId="12" pageNumber="205">
The nymph of
<taxonomicName id="2ED54D7AFF817E31963DF9F471DDF912" authorityName="Kang &amp; Yang" authorityYear="1994" box="[363,474,1654,1679]" class="Insecta" family="Heptageniidae" genus="Rhithrogena" kingdom="Animalia" order="Ephemeroptera" pageId="12" pageNumber="205" phylum="Arthropoda" rank="species" species="parva">
<emphasis id="DBA1EAEBFF817E31963DF9F471DDF912" box="[363,474,1654,1679]" italics="true" pageId="12" pageNumber="205">Rh. parva</emphasis>
</taxonomicName>
is easily told from the one of
<taxonomicName id="2ED54D7AFF817E319470F9F473CCF912" box="[806,971,1654,1679]" class="Insecta" family="Heptageniidae" genus="Rhithrogena" kingdom="Animalia" order="Ephemeroptera" pageId="12" pageNumber="205" phylum="Arthropoda" rank="species" species="sumatrana">
<emphasis id="DBA1EAEBFF817E319470F9F473CCF912" box="[806,971,1654,1679]" italics="true" pageId="12" pageNumber="205">Rh. sumatrana</emphasis>
</taxonomicName>
by the shape of the gill I, the shape of the lateral sclerites of the first abdominal sternite, the number of teeth of the comb-shape structures of the galea lacinia, the setation of the labrum, and also by the ornamentation of the abdominal tergites.
</paragraph>
</subSubSection>
</treatment>
</document>