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<document ID-CLB-Dataset="3754" ID-DOI="http://dx.doi.org/10.3897/zookeys.1067.72779" ID-GBIF-Dataset="39ded5c1-e041-4aa3-bf7e-5efb47e0aee2" ID-PMC="PMC8571249" ID-Pensoft-Pub="1313-2970-1067-57" ID-Pensoft-UUID="921145FDEC60583E831A6266908B4BCD" ID-PubMed="34759719" ID-ZooBank="8DB9C8FE9DF7438D92BA4B40E81F5DE1" ModsDocID="1313-2970-1067-57" checkinTime="1635566822117" checkinUser="pensoft" docAuthor="Kwanboon, Sedtawut, Sartori, Michel &amp; Boonsoong, Boonsatien" docDate="2021" docId="3BD887F49F025DB68BA8297F43999C37" docLanguage="en" docName="ZooKeys 1067: 57-82" docOrigin="ZooKeys 1067" docPubDate="2021-10-29" docSource="http://dx.doi.org/10.3897/zookeys.1067.72779" docTitle="Rhoenanthus (Potamanthindus) magnificus Ulmer 1920" docType="treatment" docVersion="6" id="921145FDEC60583E831A6266908B4BCD" lastPageNumber="57" masterDocId="921145FDEC60583E831A6266908B4BCD" masterDocTitle="Behningiidae and Potamanthidae (Insecta, Ephemeroptera) in Thailand" masterLastPageNumber="82" masterPageNumber="57" pageNumber="57" updateTime="1732749980920" updateUser="ExternalLinkService">
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<mods:title id="1D44F0064E85F8BBD5883525D09A612A">Behningiidae and Potamanthidae (Insecta, Ephemeroptera) in Thailand</mods:title>
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<mods:namePart id="385B390E9260782BC5CEBF97BC9C2424">Kwanboon, Sedtawut</mods:namePart>
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<mods:affiliation id="BEC6814918AA3AB6FDE9BF09326C7CAB">Animal Systematics and Ecology Speciality Research Unit (ASESRU), Department of Zoology, Faculty of Science, Kasetsart University, Bangkok 10900, Thailand</mods:affiliation>
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<mods:namePart id="F211CD87F86C14F1C8640F161D47FB7F">Sartori, Michel</mods:namePart>
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<mods:affiliation id="387D5B7AECC1BFA1B8C26D3541A92C4E">Museum of Zoology, Palais de Rumine, Place Riponne 6, CH- 1005 Lausanne, Switzerland &amp; University of Lausanne (UNIL), Department of Ecology and Evolution, CH- 1015 Lausanne, Switzerland</mods:affiliation>
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<mods:namePart id="E451D8F06846427DF11D760D0ABCEBAE">Boonsoong, Boonsatien</mods:namePart>
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<mods:affiliation id="635A957267AB14A1CC3EEB9C3575BBE4">Animal Systematics and Ecology Speciality Research Unit (ASESRU), Department of Zoology, Faculty of Science, Kasetsart University, Bangkok 10900, Thailand</mods:affiliation>
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<treatment id="3BD887F49F025DB68BA8297F43999C37" ID-GBIF-Taxon="189635843" LSID="urn:lsid:plazi:treatment:3BD887F49F025DB68BA8297F43999C37" httpUri="http://treatment.plazi.org/id/3BD887F49F025DB68BA8297F43999C37" lastPageNumber="57" pageId="0" pageNumber="57" scope_class="Insecta" scope_family="Potamanthidae" scope_order="Ephemeroptera" scope_subGenus="Potamanthindus">
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<paragraph id="22621A87847B743E2D6E88B1A1A6850A" pageId="0" pageNumber="57">
<taxonomicName id="A904A84FEF66A066ADDDC62F46AB3B09" ID-CoL="6X6B9" LSID="3BD887F4-9F02-5DB6-8BA8-297F43999C37" authority="Ulmer, 1920" authorityName="Ulmer" authorityYear="1920" class="Insecta" family="Potamanthidae" genus="Rhoenanthus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Rhoenanthus (Potamanthindus) magnificus" order="Ephemeroptera" pageId="0" pageNumber="57" phylum="Arthropoda" rank="species" species="magnificus" subGenus="Potamanthindus">Rhoenanthus (Potamanthindus) magnificus Ulmer, 1920</taxonomicName>
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<paragraph id="B87BF5CE98A1980BD0AE666E0D9B0FF3" pageId="0" pageNumber="57">
<figureCitation id="22446983CDDBFD96DAAB65152614B471" captionStart="Figure 10" captionStartId="F10" captionText="Figure 10. Larval morphology (head and mandibular tusk) A Potamanthus formosus Eaton, 1892 B Rhoenanthus magnificus Ulmer, 1920 C R. obscurus Navas, 1922 D angle measurement of mandibular tusk E R. distafurcus Bae &amp; McCafferty, 1991 F R. speciosus Eaton, 1881." figureDoi="10.3897/zookeys.1067.72779.figure10" httpUri="https://binary.pensoft.net/fig/604591" pageId="0" pageNumber="57">Figures 10B, D</figureCitation>
<figureCitation id="FD62E3D479787833F9659A0FC7B05172" captionStart="Figure 11" captionStartId="F11" captionText="Figure 11. Larval morphology (foreleg) A Potamanthus formosus Eaton, 1892 B Rhoenanthus magnificus Ulmer, 1920 C R. obscurus Navas, 1922 D R. distafurcus Bae &amp; McCafferty, 1991 E R. speciosus Eaton, 1881. Scale bar: 1 mm." figureDoi="10.3897/zookeys.1067.72779.figure11" httpUri="https://binary.pensoft.net/fig/604592" pageId="0" pageNumber="57">, 11B</figureCitation>
<figureCitation id="2CB3E726448D256A9D299E571F37415C" captionStart="Figure 12" captionStartId="F12" captionText="Figure 12. Habitus of larva of Rhoenanthus magnificus Ulmer, 1920." figureDoi="10.3897/zookeys.1067.72779.figure12" httpUri="https://binary.pensoft.net/fig/604593" pageId="0" pageNumber="57">, 12</figureCitation>
<figureCitation id="6C5E914FB3D79E257036A56DD65C3B8F" captionStart="Figure 14" captionStartId="F14" captionText="Figure 14. Distribution map of the family Potamanthidae in Thailand." figureDoi="10.3897/zookeys.1067.72779.figure14" httpUri="https://binary.pensoft.net/fig/604595" pageId="0" pageNumber="57">, 14</figureCitation>
<figureCitation id="76684B4D7F0E0B4C2E9D24400CC74760" captionStart="Figure 15" captionStartId="F15" captionText="Figure 15. The COI phylogenetic construction based on the maximum likelihood (ML) analysis of family Potamanthidae in Thailand." figureDoi="10.3897/zookeys.1067.72779.figure15" httpUri="https://binary.pensoft.net/fig/604596" pageId="0" pageNumber="57">, 15</figureCitation>
</paragraph>
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<subSubSection id="828CCF4FEC79CCCFD6F99740D4E9DC34" pageId="0" pageNumber="57" type="materials_examined">
<paragraph id="B09DA93AEFFE0C7DFE40B8717B6E02D8" pageId="0" pageNumber="57">Materials examined.</paragraph>
<paragraph id="A2FF629750BAC41029DF3363C2EFF16B" pageId="0" pageNumber="57">
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<specimenCount id="AAC19D961102733EFD88343FD24015E3" type="larva">5 larvae</specimenCount>
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<collectingCountry id="A95D34B9136C1263179D4CCE9E136E9F" name="Thailand">Thailand</collectingCountry>
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<location id="8B484946B76B2CAB0CDAB672C419011E" LSID="urn:lsid:plazi:treatment:3BD887F49F025DB68BA8297F43999C37:8B484946B76B2CAB0CDAB672C419011E" country="Thailand" latitude="19.320301" longLatPrecision="1" longitude="98.89055" municipality="Chiang Dao" name="Mae Na" stateProvince="Chiang Mai province">Mae Na</location>
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leg. (ZMKU)
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;
<materialsCitation id="9A6CBFF43DE33B5C82E294A638637E98" collectingDate="2016-03-20" collectorName="B. Boonsoong" country="Thailand" elevation="338" latitude="17.26014" location="Nam Thob" longLatPrecision="1" longitude="101.58136" municipality="Loel province" specimenCount="8" specimenCount-larva="8" stateProvince="Chiang Mai">
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ranger station,
<geoCoordinate id="3CA1FA6A5B21D1E54219E06C5A4CF836" degrees="17" direction="north" minutes="15" orientation="latitude" precision="1" seconds="36.5" value="17.26014">17°15'36.5&quot;N</geoCoordinate>
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<collectorName id="5B5FCB78DBA52F0F7C50F339949D5DA2">B. Boonsoong</collectorName>
leg. (ZMKU)
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;
<materialsCitation id="CC1021541E8DAFC26B3ACA9852D71A08" collectingDate="2020-11-28" collectorName="B. Boonsoong" country="Thailand" elevation="800" latitude="19.190498" location="Sapan" longLatPrecision="1" longitude="101.198975" municipality="Bo Kluea district" specimenCount="1" specimenCount-larva="1" stateProvince="Nan province">
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waterfall,
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<collectingDate id="3EC5242FEEEAA34503DEDD657E2AAE8C" value="2020-11-28">28.XI.2020</collectingDate>
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<collectorName id="9015B571E33E73FC2CF139B5E38AD72F">B. Boonsoong</collectorName>
leg
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;
<materialsCitation id="1CA726D49D425236F61EAB31EC42F746" collectingDate="2020-11-28" collectorName="S. Kwanboon" country="Thailand" latitude="19.152445" location="Lamer" longLatPrecision="1" longitude="101.154724" municipality="Bo Kluea district" specimenCount="2" specimenCount-larva="2" stateProvince="Nan province">
<specimenCount id="B4D9156A4D243208D07EEC4EC1753C3F" type="larva">2 larvae</specimenCount>
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<location id="68FF07821D264C48EA139F8E43ACC69C" LSID="urn:lsid:plazi:treatment:3BD887F49F025DB68BA8297F43999C37:68FF07821D264C48EA139F8E43ACC69C" country="Thailand" latitude="19.152445" longLatPrecision="1" longitude="101.154724" municipality="Bo Kluea district" name="Lamer" stateProvince="Nan province">Lamer</location>
resort,
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<collectingDate id="DB07DE2AD3A25806D5B0029AE0EEC0E3" value="2020-11-28">28.XI.2020</collectingDate>
,
<collectorName id="8FEE070340AB00F00A7A592879D2A9FB">S. Kwanboon</collectorName>
leg
</materialsCitation>
;
<materialsCitation id="6D274ED3480B635C823F37809D9D7C5C" collectingDate="2019-11-26" collectorName="B. Boonsoong" country="Thailand" elevation="848" latitude="19.272943" location="Mae Nam Wa" longLatPrecision="1" longitude="101.18005" municipality="Bo Kluea district" specimenCount="3" specimenCount-larva="3" stateProvince="Nan province">
<specimenCount id="78EC6DEBAE371985B3583F6619CB515B" type="larva">3 larvae</specimenCount>
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<collectingRegion id="3DD216B229B7A97516C7FBCCA012A0EB" country="Thailand" name="Nan">Nan province</collectingRegion>
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<collectingMunicipality id="182A6DF7C265A1AA5F361AA1E863BBAA">Bo Kluea district</collectingMunicipality>
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<location id="F2B9DD9546EBBEA9FF41827F29A4EEE0" LSID="urn:lsid:plazi:treatment:3BD887F49F025DB68BA8297F43999C37:F2B9DD9546EBBEA9FF41827F29A4EEE0" country="Thailand" latitude="19.272943" longLatPrecision="1" longitude="101.18005" municipality="Bo Kluea district" name="Mae Nam Wa" stateProvince="Nan province">Mae Nam Wa</location>
stream,
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<geoCoordinate id="3EF26B7CFC52D6055AD640FC02F1ED6C" degrees="101" direction="east" minutes="10" orientation="longitude" precision="1" seconds="48.2" value="101.18005">101°10'48.2&quot; E</geoCoordinate>
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<quantity id="2090F44FAF768667F77AA6610BABF66C" metricMagnitude="2" metricUnit="m" metricValue="8.48" unit="m" value="848.0">
<elevation id="BB4DD808AFB0C0B882ACD87EB5A8AA52" metricMagnitude="2" metricUnit="m" metricValue="8.48" unit="m" value="848.0">848 m</elevation>
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<collectingDate id="DFD4506F672B1A1112928DBEA50790BE" value="2019-11-26">26.XI.2019</collectingDate>
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<collectorName id="BFB3B9903D5BC941B60402CD36B7007B">B. Boonsoong</collectorName>
leg
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;
<materialsCitation id="65E5A8C03AAE488AF7DDA6744AECEC43" collectingDate="2021-03-06" collectorName="S. Kwanboon" country="Thailand" elevation="534" latitude="19.862806" location="Mae Kon" longLatPrecision="1" longitude="99.651306" municipality="Mueang district" specimenCount="7" specimenCount-larva="7" stateProvince="Chiang Rai province">
<specimenCount id="09D2A279F6269A8FF859D1594E8789AC" type="larva">7 larvae</specimenCount>
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<collectingRegion id="0B5574891AB120428F15CB3E33010958" country="Thailand" name="Chiang Rai">Chiang Rai province</collectingRegion>
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<collectingMunicipality id="D3C7728DD8E8FF7113548332E2BFB6EA">Mueang district</collectingMunicipality>
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<location id="7615167FBB0866F8529B1E16494314F3" LSID="urn:lsid:plazi:treatment:3BD887F49F025DB68BA8297F43999C37:7615167FBB0866F8529B1E16494314F3" country="Thailand" latitude="19.862806" longLatPrecision="1" longitude="99.651306" municipality="Mueang district" name="Mae Kon" stateProvince="Chiang Rai province">Mae Kon</location>
stream,
<geoCoordinate id="4A3B583F230D94E05F711ACC64F31767" degrees="19" direction="north" minutes="51" orientation="latitude" precision="1" seconds="46.1" value="19.862806">19°51'46.1&quot;N</geoCoordinate>
,
<geoCoordinate id="DB3F1B0B283A042D90FE1A55D08A42BE" degrees="99" direction="east" minutes="39" orientation="longitude" precision="1" seconds="04.7" value="99.651306">99°39'04.7&quot;E</geoCoordinate>
,
<quantity id="E04DF2E2E8F9532EF1A129344DE44790" metricMagnitude="2" metricUnit="m" metricValue="5.34" unit="m" value="534.0">
<elevation id="749883899521482A2A8A813D1E4BAB5C" metricMagnitude="2" metricUnit="m" metricValue="5.34" unit="m" value="534.0">534 m</elevation>
</quantity>
,
<collectingDate id="B86E119C74105B4FF1D8912E800DB9EC" value="2021-03-06">6.III.2021</collectingDate>
,
<collectorName id="D490D279AB2F816DAD085E62821A348A">S. Kwanboon</collectorName>
leg
</materialsCitation>
;
<materialsCitation id="5932A2126964D893E7CA3E51A15FF134" collectingDate="2021-03-07" collectorName="S. Kwanboon" country="Thailand" county="Mueang district" elevation="470" latitude="20.011612" location="Pong Phrabat" longLatPrecision="1" longitude="99.8042" municipality="Mae Kon" specimenCount="2" specimenCount-larva="2" stateProvince="Chiang Rai province">
<specimenCount id="F19DC1E7928B2FB50F25C74D77E08E5C" type="larva">2 larvae</specimenCount>
,
<collectingRegion id="F87A5735DE78E824704EE1A1A62E986F" country="Thailand" name="Chiang Rai">Chiang Rai province</collectingRegion>
,
<collectingCounty id="AA2D0B24D5C9F805DFBAEC7EA74D7786">Mueang district</collectingCounty>
,
<collectingMunicipality id="0047AEDBA014E1F0D48D1468F79FD716">Mae Kon</collectingMunicipality>
stream,
<location id="1E00A3349AF6A575B0084FEF8950951A" LSID="urn:lsid:plazi:treatment:3BD887F49F025DB68BA8297F43999C37:1E00A3349AF6A575B0084FEF8950951A" country="Thailand" county="Mueang district" latitude="20.011612" longLatPrecision="1" longitude="99.8042" municipality="Mae Kon" name="Pong Phrabat" stateProvince="Chiang Rai province">Pong Phrabat</location>
waterfall,
<geoCoordinate id="A0C478C3C679DA6BA2E2C40645FDB9C7" degrees="20" direction="north" minutes="00" orientation="latitude" precision="1" seconds="41.8" value="20.011612">20°00'41.8&quot;N</geoCoordinate>
,
<geoCoordinate id="D14680EE5167083086ED4439F7C00857" degrees="99" direction="east" minutes="48" orientation="longitude" precision="1" seconds="15.1" value="99.8042">99°48'15.1&quot;E</geoCoordinate>
,
<quantity id="E37545D92ACEBCE072E3A7BC7F830654" metricMagnitude="2" metricUnit="m" metricValue="4.7" unit="m" value="470.0">
<elevation id="60EF649BBF2AE004B5A0470D556ED514" metricMagnitude="2" metricUnit="m" metricValue="4.7" unit="m" value="470.0">470 m</elevation>
</quantity>
,
<collectingDate id="092108877B301B822802CC96C058980D" value="2021-03-07">7.III.2021</collectingDate>
,
<collectorName id="27A2A52F045596A4FBDCDF9019EBBB8C">S. Kwanboon</collectorName>
leg.
</materialsCitation>
</paragraph>
</subSubSection>
<subSubSection id="F463D6176296A2588AA9BB839F19E142" pageId="0" pageNumber="57" type="diagnosis">
<paragraph id="12C7D2A60756D04D987D20D085820DB3" pageId="0" pageNumber="57">Diagnosis.</paragraph>
<paragraph id="18FB0A5B0BF9821A73687BE389FA05E3" pageId="0" pageNumber="57">
The larvae of
<taxonomicName id="7004561946A12EB22FA0725CEF5AAA44" authorityName="Ulmer" authorityYear="1920" class="Insecta" family="Potamanthidae" genus="Rhoenanthus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Rhoenanthus magnificus" order="Ephemeroptera" pageId="0" pageNumber="57" phylum="Arthropoda" rank="species" species="magnificus">
<emphasis id="17489DCF2F4A84DEF2596BBBF4A5628A" italics="true" pageId="0" pageNumber="57">Rhoenanthus magnificus</emphasis>
</taxonomicName>
(Fig.
<figureCitation id="70124CF663C36E54B95E50A1E1925669" captionStart="Figure 12" captionStartId="F12" captionText="Figure 12. Habitus of larva of Rhoenanthus magnificus Ulmer, 1920." figureDoi="10.3897/zookeys.1067.72779.figure12" httpUri="https://binary.pensoft.net/fig/604593" pageId="0" pageNumber="57">12</figureCitation>
) can be distinguished from those of other
<taxonomicName id="2D9CF646C38A33558C870604780174C9" authority="" class="Insecta" family="Potamanthidae" genus="Rhoenanthus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Rhoenanthus (Potamanthindus)" order="Ephemeroptera" pageId="0" pageNumber="57" phylum="Arthropoda" rank="subGenus" subGenus="Potamanthindus">Rhoenanthus (Potamanthindus)</taxonomicName>
species based on the following characteristics: i) large body size (18-21 mm), ii) mandibular tusks arched inward about 33-34° (angle measurement as shown in Fig.
<figureCitation id="89A2C80691DEFF89BE4C48A2C52C0285" captionStart="Figure 10" captionStartId="F10" captionText="Figure 10. Larval morphology (head and mandibular tusk) A Potamanthus formosus Eaton, 1892 B Rhoenanthus magnificus Ulmer, 1920 C R. obscurus Navas, 1922 D angle measurement of mandibular tusk E R. distafurcus Bae &amp; McCafferty, 1991 F R. speciosus Eaton, 1881." figureDoi="10.3897/zookeys.1067.72779.figure10" httpUri="https://binary.pensoft.net/fig/604591" pageId="0" pageNumber="57">10D</figureCitation>
), iii) length of the mandibular tusks ca 1.4
<normalizedToken id="ADA7A6188BA791306820D254081EC3B7" originalValue="×">x</normalizedToken>
length of head, and iv) length of the foretibiae ca 1.5
<normalizedToken id="7739656E1AE26F831D09C1D71744019C" originalValue="×">x</normalizedToken>
length of the forefemora and about 2.9
<normalizedToken id="2C5BCC25BC77F6889463242E94AF99A2" originalValue="×">x</normalizedToken>
length of the foretarsi (Fig.
<figureCitation id="9A582500A4EA153E31D2ED8FB400BB71" captionStart="Figure 11" captionStartId="F11" captionText="Figure 11. Larval morphology (foreleg) A Potamanthus formosus Eaton, 1892 B Rhoenanthus magnificus Ulmer, 1920 C R. obscurus Navas, 1922 D R. distafurcus Bae &amp; McCafferty, 1991 E R. speciosus Eaton, 1881. Scale bar: 1 mm." figureDoi="10.3897/zookeys.1067.72779.figure11" httpUri="https://binary.pensoft.net/fig/604592" pageId="0" pageNumber="57">11B</figureCitation>
) (
<bibRefCitation id="274AEAA6626F90F0534B4D04230C46AA" author="Nguyen, VV" journalOrPublisher="Aquatic Insects" pageId="0" pageNumber="57" pagination="9 - 17" refId="B15" refString="Nguyen, VV, Bae, YJ, 2004. Descriptions of Rhoenanthus sapa, new species, and larval stage of R. magnificus Ulmer (Ephemeroptera: Potamanthidae) from Vietnam. Aquatic Insects 26: 9 - 17" title="Descriptions of Rhoenanthus sapa, new species, and larval stage of R. magnificus Ulmer (Ephemeroptera: Potamanthidae) from Vietnam." volume="26" year="2004">Nguyen and Bae 2004</bibRefCitation>
).
</paragraph>
</subSubSection>
<subSubSection id="3C960B21CFD13B28721936B3353DA1D8" pageId="0" pageNumber="57" type="distribution">
<paragraph id="9D7D36C0634B680B4D3DADFB2ADAE9E9" pageId="0" pageNumber="57">Distribution.</paragraph>
<paragraph id="8C998F6B6818F3B8879BA48788FFFE3B" pageId="0" pageNumber="57">Chiang Mai, Chiang Rai, Loei, and Nan provinces.</paragraph>
</subSubSection>
<subSubSection id="A7367C6C39577689CE53D3F38F37BC3A" pageId="0" pageNumber="57" type="remarks">
<paragraph id="09E535EF3B4242DE0CB812FA915B7F3E" pageId="0" pageNumber="57">Remark.</paragraph>
<paragraph id="F9705BF2217B748022BBC309A72A6AE2" pageId="0" pageNumber="57">
The larva of
<taxonomicName id="08EE5A299F4135AD8EAFE63B864FA825" class="Insecta" kingdom="Animalia" lsidName="R. magnificus" order="Ephemeroptera" pageId="0" pageNumber="57" phylum="Arthropoda" rank="species" species="magnificus">
<emphasis id="B8ADF09D607197DF93FAFB402640E82C" italics="true" pageId="0" pageNumber="57">R. magnificus</emphasis>
</taxonomicName>
was originally described by
<bibRefCitation id="0A8D61CDC8A94D24F662F82BA08AEDED" author="Nguyen, VV" journalOrPublisher="Aquatic Insects" pageId="0" pageNumber="57" pagination="9 - 17" refId="B15" refString="Nguyen, VV, Bae, YJ, 2004. Descriptions of Rhoenanthus sapa, new species, and larval stage of R. magnificus Ulmer (Ephemeroptera: Potamanthidae) from Vietnam. Aquatic Insects 26: 9 - 17" title="Descriptions of Rhoenanthus sapa, new species, and larval stage of R. magnificus Ulmer (Ephemeroptera: Potamanthidae) from Vietnam." volume="26" year="2004">Nguyen and Bae (2004)</bibRefCitation>
from material collected in northern and central Vietnam. The species is known from southern China and Vietnam. In the present study, we found this species in streams of several provinces (Fig.
<figureCitation id="2D9FDFF2551D9AB29112D0B9D5EEE2A3" captionStart="Figure 14" captionStartId="F14" captionText="Figure 14. Distribution map of the family Potamanthidae in Thailand." figureDoi="10.3897/zookeys.1067.72779.figure14" httpUri="https://binary.pensoft.net/fig/604595" pageId="0" pageNumber="57">14</figureCitation>
).
</paragraph>
</subSubSection>
</treatment>
</document>