754 lines
77 KiB
XML
754 lines
77 KiB
XML
<document id="7039083B70281B9F60757405D3FB26DF" ID-DOI="10.3897/zookeys.1218.137110" ID-ZooBank="56E386D4-F45A-4A25-9135-4EF405504F8A" ID-publisher-id="137110" URI-arpha="CEA19484-02D7-582B-9860-345D68265267" URI-zoobank="http://zoobank.org/56E386D4-F45A-4A25-9135-4EF405504F8A" article-type="research-article" checkinTime="1732039562940" checkinUser="pensoft" docAuthor="Mu, Pengxu & Huang, Xiaolei" docDate="2024" docId="63D6E8E37D515808829E22D61CB7A3E6" docLanguage="en" docName="ZooKeys 1218: 113-129" docOrigin="ZooKeys 1218" docSource="https://zookeys.pensoft.net/article/137110/download/xml/" docStyle="DocumentStyle:PensoftTaxPub.0000.journal_article.generic" docStyleName="PensoftTaxPub.0000.journal_article.generic" docTitle="Isonychia latias Mu & Huang, 2024, sp. nov." docType="treatment" docUuid="BDD9DBA9-82B4-4D68-BCF8-42F53CEC10A2" docUuidSource="ZooBank" docVersion="1" dtd-version="3.0" lastPageNumber="129" masterDocId="CEA1948402D7582B9860345D68265267" masterDocTitle="Discovery of a new Isonychia species with distinctive characters from southwestern China, and preliminary exploration of its phylogenetic status (Ephemeroptera, Isonychiidae)" masterLastPageNumber="129" masterPageNumber="113" pageNumber="113" updateTime="1732039626038" updateUser="pensoft">
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<mods:titleInfo id="5C72BDC2E20A5AEDA10A4C83E870CC38">
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<mods:title id="1A90B94627B1B25AD570CA34F78660B0">Discovery of a new Isonychia species with distinctive characters from southwestern China, and preliminary exploration of its phylogenetic status (Ephemeroptera, Isonychiidae)</mods:title>
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<mods:name id="AD1D0782875933F33B7997F4C6FBA597" type="personal">
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<mods:namePart id="E4CC1F60E7DD4B13B95FEE898948FE61">Mu, Pengxu</mods:namePart>
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<mods:affiliation id="A57CD150637FAE15A53397DB84E57EBC">State Key Laboratory of Ecological Pest Control for Fujian and Taiwan Crops, College of Plant Protection, Fujian Agriculture and Forestry University, Fuzhou 350002, China</mods:affiliation>
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<mods:namePart id="44BB9FB9589E24AB6FC8C4CC22640CF5">Huang, Xiaolei</mods:namePart>
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<mods:affiliation id="EA87281CF196DC3810DB76157A0986FC">State Key Laboratory of Ecological Pest Control for Fujian and Taiwan Crops, College of Plant Protection, Fujian Agriculture and Forestry University, Fuzhou 350002, China</mods:affiliation>
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<mods:title id="3917D69D09CD44139E2C563FB4E2E14B">ZooKeys</mods:title>
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<mods:part id="F9394F17DC03CDEDB893CB43682D519A">
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<mods:date id="7A23DA80EB169D71D5E5063239E446F3">2024</mods:date>
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<mods:detail id="0D2FD9379A8B2FC9A249CFCF58233AA5" type="pubDate">
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<mods:number id="CBB0D374735ACCCB8B628340CEA92028">2024-11-19</mods:number>
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<mods:detail id="D65B30833DF072F0F9F779D4DF6A8247" type="volume">
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<mods:number id="3DCD725EF431BD1B778700AD71A1B627">1218</mods:number>
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<mods:identifier id="77A57CF4C19A44E8C24B997B12522B86" type="DOI">10.3897/zookeys.1218.137110</mods:identifier>
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<mods:identifier id="6251986B39583B059364C02F3060A4F9" type="ZooBank">56E386D4-F45A-4A25-9135-4EF405504F8A</mods:identifier>
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</mods:mods>
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<treatment id="63D6E8E37D515808829E22D61CB7A3E6" ID-arpha="63D6E8E3-7D51-5808-829E-22D61CB7A3E6" ID-zoobank="https://zoobank.org/BDD9DBA9-82B4-4D68-BCF8-42F53CEC10A2" LSID="urn:lsid:zoobank.org:act:BDD9DBA9-82B4-4D68-BCF8-42F53CEC10A2" LSID-ZBK="urn:lsid:zoobank.org:act:BDD9DBA9-82B4-4D68-BCF8-42F53CEC10A2" httpUri="http://treatment.plazi.org/id/63D6E8E37D515808829E22D61CB7A3E6">
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<subSubSection id="1CD86C858A8188B3BF8F48047F21C1C6" type="nomenclature">
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<paragraph id="00442B09772E0B21C0C993AF69E30C3F">
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<taxonomicName id="B6D11F2B57C0E389FC8BE3CBDD0351AE" authorityName="Mu & Huang" authorityYear="2024" class="Insecta" family="Isonychiidae" genus="Isonychia" kingdom="Animalia" order="Ephemeroptera" phylum="Arthropoda" rank="species" species="latias" status="sp. nov.">
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||
<emphasis id="F380133C1D5FFB62D171D66CC2D3CF66" italics="true">Isonychia latias</emphasis>
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||
</taxonomicName>
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||
<taxonomicNameLabel id="BD5087A64A33D2ACC82924B0A4E9D4E3" rank="species">sp. nov.</taxonomicNameLabel>
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||
</paragraph>
|
||
</subSubSection>
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||
<subSubSection id="F168BFB97988FE27C8F66F6E93D78BEF" type="description">
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<paragraph id="CB8861C8C89BF44176BFDAB8FEAEB84B">
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||
<figureCitation id="E2F9E6C6C94F1D42AD72D3E8D9DCC016" captionStart="Figure 1" captionStartId="F1" captionText="Figure 1. Adults of Isonychia latias sp. nov. A male imago B female imago C male subimago. (Photographed by Qianle Lu)." figureDoi="10.3897/zookeys.1218.137110.figure1" httpUri="https://binary.pensoft.net/fig/1177987">Figs 1</figureCitation>
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,
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||
<figureCitation id="61EC90626E46DCA9F82D796BB9DB30DA" captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Imaginal structures of Isonychia latias sp. nov. A – C male imago A head B thorax, lateral view C thorax, ventral view D – F female imago D head E thorax, lateral view F thorax, ventral view G, H legs (fl: foreleg; ml: midleg; hl: hindleg) G male imago H female imago. Scale bars: 1.0 mm (A, D, G, H)." figureDoi="10.3897/zookeys.1218.137110.figure2" httpUri="https://binary.pensoft.net/fig/1177988">2</figureCitation>
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||
,
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||
<figureCitation id="BEDE439B76B90C0D23CD6EC1D3292A4C" captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Wings of Isonychia latias sp. nov. A male imago B female imago C male subimago. Scale bars: 5.0 mm." figureDoi="10.3897/zookeys.1218.137110.figure3" httpUri="https://binary.pensoft.net/fig/1177989">3</figureCitation>
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||
,
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||
<figureCitation id="19D7FA08664E7299C52E2E37CC161EC4" captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Imaginal structures of Isonychia latias sp. nov. A, B abdominal segments V – X, dorsal view A male B female C, D genital segments, ventral view C male D female E – H penis E ventral view F dorsal view G penis lobe enlarged, ventral view H penis lobe enlarged, dorsal view." figureDoi="10.3897/zookeys.1218.137110.figure4" httpUri="https://binary.pensoft.net/fig/1177990">4</figureCitation>
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||
,
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||
<figureCitation id="964535115A6F5A18F9024DBB5B8B0452" captionStart="Figure 5" captionStartId="F5" captionText="Figure 5. Larval structures of Isonychia latias sp. nov. A head, front view B labrum (left: dorsal view; right: ventral view) C mandible, dorsal view (left: left mandible right: right mandible) D hypopharynx (left: dorsal view right: ventral view) E maxilla, dorsal view F labium (left: dorsal view; right: ventral view)." figureDoi="10.3897/zookeys.1218.137110.figure5" httpUri="https://binary.pensoft.net/fig/1177991">5</figureCitation>
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,
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||
<figureCitation id="16C809AB86375C399EDCE617453A46C8" captionStart="Figure 6" captionStartId="F6" captionText="Figure 6. Larval structures of Isonychia latias sp. nov. A right half of pronotum and mesonotum B thorax, ventral view (white arrow shows projection on basisternum of mesothorax black arrow shows projection on basisternum of metathorax) C legs (fl: foreleg ml: midleg hl: hindleg) D apical part of foreleg E ventral cleft of hindfemur. Scale bar: 1.0 mm (C)." figureDoi="10.3897/zookeys.1218.137110.figure6" httpUri="https://binary.pensoft.net/fig/1177992">6</figureCitation>
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||
,
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<figureCitation id="648FB80B8A971B406146DA0542050B5D" captionStart="Figure 7" captionStartId="F7" captionText="Figure 7. Larval structures of Isonychia latias sp. nov. A tergalii (t 1: tergalius I; t 4: tergalius IV; t 5: tergalius V; t 7: tergalius VII) B thoracic sterna, lateral view (white arrow shows projection on basisternum of mesothorax black arrow shows projection on basisternum of metathorax) C abdominal terga I – X D abdominal sterna VIII – IX E caudalii. Scale bars: 1.0 cm (A); 2.0 mm (C, E)." figureDoi="10.3897/zookeys.1218.137110.figure7" httpUri="https://binary.pensoft.net/fig/1177993">7</figureCitation>
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||
,
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<figureCitation id="97CADE0A59DA85076F45D5572FBEC8A7" captionStart="Figure 8" captionStartId="F8" captionText="Figure 8. SEM photos of eggs of Isonychia latias sp. nov. A, B egg C micropyle enlarged D KCTs enlarged." figureDoi="10.3897/zookeys.1218.137110.figure8" httpUri="https://binary.pensoft.net/fig/1177994">8</figureCitation>
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,
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<figureCitation id="7A8C1ABB8575B143662F5C0823CC474D" captionStart="Figure 9" captionStartId="F9" captionText="Figure 9. Habitat of Isonychia latias sp. nov. A, B Sanchahe River, Dan Xia Valley, China C, D mature larva of Isonychia latias sp. nov. about to emerge in natural environment." figureDoi="10.3897/zookeys.1218.137110.figure9" httpUri="https://binary.pensoft.net/fig/1177995">9 Chinese name: 比翼等蜉</figureCitation>
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||
</paragraph>
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||
</subSubSection>
|
||
<subSubSection id="SECID0EZVAE" type="type material">
|
||
<paragraph id="923614D936385D8DA29A858AB2378EAB">
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||
<heading id="F7975DB70893C913A81C90D725B8698F" reason="title">Type material.</heading>
|
||
</paragraph>
|
||
<paragraph id="1770202D98350D677CE09777DA858EA6">
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<materialsCitation id="116FABFF224F2EE502AC17510B4F6A53" collectingDate="2024-05-21" collectionCode="FAFU" collectorName="Pengxu Mu" country="China" county="Xishui County" elevation="880" latitude="28.497145" location="China Dan Xia Valley" longLatPrecision="1" longitude="106.41" municipality="Zunyi City" specimenCount="1" stateProvince="Guizhou" typeStatus="holotype">
|
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<emphasis id="6CBB4FB387E2CB9EDACF9631C4E8C899" bold="true">
|
||
<emphasis id="FEFE233D7700585DC1C2E568D6C8ADFF" bold="true" italics="true">
|
||
<typeStatus id="DE6CD088A3A706F33B8991C1C521ADBC" type="holotype">Holotype</typeStatus>
|
||
</emphasis>
|
||
: male imago,
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||
<collectingCountry id="0EB66C000E05D89706254CA0137B5FD6" name="China">China</collectingCountry>
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||
</emphasis>
|
||
•
|
||
<emphasis id="3E8167D885184369DF158F78E90B6A02" bold="true">
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||
<collectingRegion id="57D6713B8E9C5AF4DE339FE845E68C39" country="China" name="Guizhou">Guizhou Province</collectingRegion>
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||
</emphasis>
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||
,
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||
<collectingMunicipality id="6140DCB7D26C5521F632935820402F35">Zunyi City</collectingMunicipality>
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||
,
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||
<collectingCounty id="D375C1670DEFC0F4DF99F6340192EFD0">Xishui County</collectingCounty>
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||
,
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||
<location id="A0F0E2180F97B0528432DF8993D1B8BE" LSID="urn:lsid:plazi:treatment:63D6E8E37D515808829E22D61CB7A3E6:A0F0E2180F97B0528432DF8993D1B8BE" country="China" county="Xishui County" latitude="28.497145" longLatPrecision="1" longitude="106.41" municipality="Zunyi City" name="China Dan Xia Valley" stateProvince="Guizhou">China Dan Xia Valley</location>
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||
,
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||
<location id="7167FE8882AB0068EABB69D572C2D8B2" LSID="urn:lsid:plazi:treatment:63D6E8E37D515808829E22D61CB7A3E6:7167FE8882AB0068EABB69D572C2D8B2" country="China" county="Xishui County" latitude="28.497145" longLatPrecision="1" longitude="106.41" municipality="Zunyi City" name="Sanchahe River" stateProvince="Guizhou">Sanchahe River</location>
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[贵州省遵义市习水县中国丹霞谷三岔河] (
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<named-content content-type="dwc:verbatimCoordinates" id="NCID0EJWAE" specific-use="{"type":"Point","coordinates":[106.410003,28.497144]}">
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||
<geoCoordinate id="C38BA3AA6A15DBA8537580B14F6CDBDE" degrees="28.497144" direction="north" orientation="latitude" precision="1" value="28.497145">28.497144 N</geoCoordinate>
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,
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<geoCoordinate id="669A3A5CF4FF4D2DED482FFE52F5E0F6" degrees="106.410003" direction="east" orientation="longitude" precision="1" value="106.41">106.410003 E</geoCoordinate>
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</named-content>
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||
, alt.
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<quantity id="5C34526FD1E1C158DA27C78627D5566C" metricMagnitude="2" metricUnit="m" metricValue="8.8" unit="m" value="880.0">
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||
<elevation id="00FE9B91346581EE2ED0848E5ED44659" metricMagnitude="2" metricUnit="m" metricValue="8.8" unit="m" value="880.0">880 m</elevation>
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</quantity>
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),
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<date id="4EBE6FB572AC4240829A88A66EF992BA" value="2024-05-21">
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||
<collectingDate id="0862DD7425F6B45D5016807E014B06D2" value="2024-05-21">21. V. 2024</collectingDate>
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</date>
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, leg.
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<collectorName id="677722D472B3FEF88908E27084D6546B">Pengxu Mu</collectorName>
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; in ethanol;
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||
<abbrev content-type="institution" id="ABBRID0EOWAE" xlink_title="State Key Laboratory of Ecological Pest Control for Fujian and Taiwan Crops, College of Plant Protection, Fujian Agriculture and Forestry University">
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||
<collectionCode id="D3EDF03203E56D16AF7AD7242496B355">FAFU</collectionCode>
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||
</abbrev>
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||
</materialsCitation>
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||
.
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<materialsCitation id="83DD07BD77A685820EAD267173AB5C52" collectionCode="FAFU" country="China" specimenCount="55" specimenCount-female="23" specimenCount-larva="12" specimenCount-male="20" stateProvince="Guizhou" typeStatus="paratype">
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||
<emphasis id="AE4E8188AEB0E715FE89342B194D81A3" bold="true" italics="true">
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||
<typeStatus id="86B12AB0FD51B2BE12390D03559A6719" type="paratype">Paratypes</typeStatus>
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||
</emphasis>
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||
•
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<specimenCount id="42532E6D9F765360EC5F23B63D4D9565" count="8" type="male">8 male</specimenCount>
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imagos,
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||
<specimenCount id="82ED5CDAFF08C7FA27AF407DA9D01EFE" count="8" type="female">8 female</specimenCount>
|
||
imagos,
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||
<specimenCount id="EB41BC0BD85AB5227AEB69835BD7C129" count="12" type="male">12 male</specimenCount>
|
||
subimagos,
|
||
<specimenCount id="79993E1D102F44E689ECDCC8C80CC6F3" count="15" type="female">15 female</specimenCount>
|
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subimagos,
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<specimenCount id="CB54CB82ADB577241D80CEC8517724E3" count="12" type="larva">12 larvae</specimenCount>
|
||
, 22 larval exuviae, same information as
|
||
<typeStatus id="AF514190A2A86EDDC05C51DEB5A96D6F" type="holotype">holotype</typeStatus>
|
||
; in ethanol;
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||
<abbrev content-type="institution" id="ABBRID0EWWAE" xlink_title="State Key Laboratory of Ecological Pest Control for Fujian and Taiwan Crops, College of Plant Protection, Fujian Agriculture and Forestry University">
|
||
<collectionCode id="74F779C3C608F5FCAC46306FD5DD807B">FAFU</collectionCode>
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||
</abbrev>
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||
</materialsCitation>
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||
.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="SECID0E2WAE" type="description">
|
||
<paragraph id="75C1E3060DC00ED7C67BF0D5F2363CBF">
|
||
<heading id="FB7192FBD9EF05C9A7AE12FDF7C2698C" reason="title">Description.</heading>
|
||
</paragraph>
|
||
<paragraph id="0D3A7491A98BF9C0BE8F1A3E50063146">
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||
<emphasis id="5F87C3F08B49C04CE542E3389DC28231" bold="true">Male imago.</emphasis>
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Forewing length 18.5–20.0 mm.
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</paragraph>
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<paragraph id="4B7AD640FB29A1096A97F3409DE3F7AF">
|
||
<emphasis id="334E17DDAE05F5F34844A186A47F0E16" bold="true">
|
||
<emphasis id="C085AEB4CA4106856C930BD06033D9D0" bold="true" italics="true">Coloration</emphasis>
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||
.
|
||
</emphasis>
|
||
General body color brown to reddish brown (Fig.
|
||
<figureCitation id="07F5E905C35C8E7AA3207B37CC187F7A" captionStart="Figure 1" captionStartId="F1" captionText="Figure 1. Adults of Isonychia latias sp. nov. A male imago B female imago C male subimago. (Photographed by Qianle Lu)." figureDoi="10.3897/zookeys.1218.137110.figure1" httpUri="https://binary.pensoft.net/fig/1177987">1 A</figureCitation>
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||
). Head capsule dark brown except anterior part pale; compound eyes gray (Fig.
|
||
<figureCitation id="49CE0E198BC06F9F942E9C038E4DA60F" captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Imaginal structures of Isonychia latias sp. nov. A – C male imago A head B thorax, lateral view C thorax, ventral view D – F female imago D head E thorax, lateral view F thorax, ventral view G, H legs (fl: foreleg; ml: midleg; hl: hindleg) G male imago H female imago. Scale bars: 1.0 mm (A, D, G, H)." figureDoi="10.3897/zookeys.1218.137110.figure2" httpUri="https://binary.pensoft.net/fig/1177988">2 A</figureCitation>
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||
). Pronotum dark brown except posterolateral parts pale; mesoscutum brown, and mesoscutellum and metanotum dark brown; pleura of pterothorax with three yellowish stripes formed by pale conjunctivas; basisternum and furcasternum of mesothorax dark reddish brown, and basisternum of metathorax pale reddish (Fig.
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<figureCitation id="2DF63D4E48149082077937300B8D84BE" captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Imaginal structures of Isonychia latias sp. nov. A – C male imago A head B thorax, lateral view C thorax, ventral view D – F female imago D head E thorax, lateral view F thorax, ventral view G, H legs (fl: foreleg; ml: midleg; hl: hindleg) G male imago H female imago. Scale bars: 1.0 mm (A, D, G, H)." figureDoi="10.3897/zookeys.1218.137110.figure2" httpUri="https://binary.pensoft.net/fig/1177988">2 B, C</figureCitation>
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||
). Forefemur brown, slightly shaded with dark brown apically; foretibia and foretarsus dark brown; mid- and hindlegs brown (Fig.
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<figureCitation id="C5C94994EAF8AFFD4A54197DBF08B656" captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Imaginal structures of Isonychia latias sp. nov. A – C male imago A head B thorax, lateral view C thorax, ventral view D – F female imago D head E thorax, lateral view F thorax, ventral view G, H legs (fl: foreleg; ml: midleg; hl: hindleg) G male imago H female imago. Scale bars: 1.0 mm (A, D, G, H)." figureDoi="10.3897/zookeys.1218.137110.figure2" httpUri="https://binary.pensoft.net/fig/1177988">2 G</figureCitation>
|
||
). Fore- and hindwings with distinct, dark brown coloration and pale yellowish shadings as in Fig.
|
||
<figureCitation id="DFA60BEC66801227AF3C776A94D12390" captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Wings of Isonychia latias sp. nov. A male imago B female imago C male subimago. Scale bars: 5.0 mm." figureDoi="10.3897/zookeys.1218.137110.figure3" httpUri="https://binary.pensoft.net/fig/1177989">3 A</figureCitation>
|
||
; all veins of both wings pale brown. Abdominal terga I and X dark brown; terga II – VII pale brown, except lateral margins slightly shaded with dark brown; terga VIII – IX with anteromedian part pale brown and posterolateral part dark brown, and dark brown area of tergum IX larger than that of tergum VIII; terga II – IX with pair of dark, submedian, longitudinal, oblique stripes (Fig.
|
||
<figureCitation id="F0B508B4F734D40249F383CB1FFCA22F" captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Imaginal structures of Isonychia latias sp. nov. A, B abdominal segments V – X, dorsal view A male B female C, D genital segments, ventral view C male D female E – H penis E ventral view F dorsal view G penis lobe enlarged, ventral view H penis lobe enlarged, dorsal view." figureDoi="10.3897/zookeys.1218.137110.figure4" httpUri="https://binary.pensoft.net/fig/1177990">4 A</figureCitation>
|
||
). Abdominal sterna reddish brown except sternum IX dark brown; sterna II – IX with pair of dark submedian longitudinal oblique stripes, and sterna II –
|
||
<collectionCode id="7CAA521ED045C828FA1BAD4608B2FD8C" country="Norway" name="Mykotektet, National Veterinary Institute">VI</collectionCode>
|
||
with four dark dots situated in transverse line behind these stripes. Styliger and gonostyli pale brown, and penis dark brown (Fig.
|
||
<figureCitation id="259433733BED711515701FED18CB3C27" captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Imaginal structures of Isonychia latias sp. nov. A, B abdominal segments V – X, dorsal view A male B female C, D genital segments, ventral view C male D female E – H penis E ventral view F dorsal view G penis lobe enlarged, ventral view H penis lobe enlarged, dorsal view." figureDoi="10.3897/zookeys.1218.137110.figure4" httpUri="https://binary.pensoft.net/fig/1177990">4 C</figureCitation>
|
||
). Cerci dark brown along their entire length.
|
||
</paragraph>
|
||
<caption id="8845D84F8DC99296BE3B09E9A7BCC85B" ID-DOI="10.3897/zookeys.1218.137110.figure1" ID-arpha="BA93BE67-F132-5C11-93F3-32E9847CDE19" httpUri="https://binary.pensoft.net/fig/1177987" startId="F1">
|
||
<paragraph id="2ADDBFEDEFF89AF4A3504BB4B9CC58BF">
|
||
<label id="30FB221B4EFDF488F0C067296B0C0E33">Figure 1.</label>
|
||
</paragraph>
|
||
<paragraph id="AB5ADE49149834F00054FB7EF618D704">
|
||
Adults of
|
||
<taxonomicName id="53AD4EB40E840DB49F32CC23C6CD8ACD" authorityName="Mu & Huang" authorityYear="2024" class="Insecta" family="Isonychiidae" genus="Isonychia" kingdom="Animalia" order="Ephemeroptera" phylum="Arthropoda" rank="species" species="latias" status="sp. nov.">
|
||
<emphasis id="706D5499CED97B3C7CB7290FEC0329E9" italics="true">Isonychia latias</emphasis>
|
||
</taxonomicName>
|
||
<taxonomicNameLabel id="22545FE44D3D14DB1CE8CA02FAE72A03" rank="species">sp. nov.</taxonomicNameLabel>
|
||
<emphasis id="586104189F2EF269098FBC63E1DAACA1" bold="true">A</emphasis>
|
||
male imago
|
||
<emphasis id="F5F5F4AC3BAE9A80ED91844023BE8EBE" bold="true">B</emphasis>
|
||
female imago
|
||
<emphasis id="768E26714EDB912060CEDF77A0907FAF" bold="true">C</emphasis>
|
||
male subimago. (Photographed by Qianle Lu).
|
||
</paragraph>
|
||
</caption>
|
||
<caption id="73B9D49BB3E4AF58F380C498D14E2F32" ID-DOI="10.3897/zookeys.1218.137110.figure2" ID-arpha="63CE4CE1-62CD-54BF-B5EC-86A7F6868DD3" httpUri="https://binary.pensoft.net/fig/1177988" startId="F2">
|
||
<paragraph id="F4C0B23CC3B0E1A9978538EBB8671EFE">
|
||
<label id="A92CC7539707F423D971E1C287453EC1">Figure 2.</label>
|
||
</paragraph>
|
||
<paragraph id="1FB4C3E0759AA72D8A26A79420598F7A">
|
||
Imaginal structures of
|
||
<taxonomicName id="6D6517AE4A6A86EC5DF42845F65C5D84" authorityName="Mu & Huang" authorityYear="2024" class="Insecta" family="Isonychiidae" genus="Isonychia" kingdom="Animalia" order="Ephemeroptera" phylum="Arthropoda" rank="species" species="latias" status="sp. nov.">
|
||
<emphasis id="E405A302EA8EB756BD2B40EB9D5236D0" italics="true">Isonychia latias</emphasis>
|
||
</taxonomicName>
|
||
<taxonomicNameLabel id="E19E1C113B7724989C286C15CE1C678D" rank="species">sp. nov.</taxonomicNameLabel>
|
||
<emphasis id="648081E029AB7264683DD410FA392385" bold="true">A – C</emphasis>
|
||
male imago
|
||
<emphasis id="45A1CEE94ADD0F176783C6CA4327F299" bold="true">A</emphasis>
|
||
head
|
||
<emphasis id="4D7F55A345A9DFD0208B411435E0B542" bold="true">B</emphasis>
|
||
thorax, lateral view
|
||
<emphasis id="8CF79F180912B299AAF9089882EBB07F" bold="true">C</emphasis>
|
||
thorax, ventral view
|
||
<emphasis id="C706C81BD72D679D5D746C65D5DA41E1" bold="true">D – F</emphasis>
|
||
female imago
|
||
<emphasis id="483D3C495F73CBFA6D77FD590C2473AB" bold="true">D</emphasis>
|
||
head
|
||
<emphasis id="A351BA92792D9BCA41973175E3CBABF6" bold="true">E</emphasis>
|
||
thorax, lateral view
|
||
<emphasis id="6ED5C77F6CF383808BEF66941EA36322" bold="true">F</emphasis>
|
||
thorax, ventral view
|
||
<emphasis id="B72AF319FB5B355831719FB9D726E3D0" bold="true">G, H</emphasis>
|
||
legs (fl: foreleg; ml: midleg; hl: hindleg)
|
||
<emphasis id="0F3FEA635DD2A93F26645EA9CF0FA6A6" bold="true">G</emphasis>
|
||
male imago
|
||
<emphasis id="180031B43133012D35A48B5590BF3DE8" bold="true">H</emphasis>
|
||
female imago. Scale bars: 1.0 mm (
|
||
<emphasis id="4E61A5CBB8E1FB6C60BBA19C1D9B5EAB" bold="true">A, D, G, H</emphasis>
|
||
).
|
||
</paragraph>
|
||
</caption>
|
||
<caption id="1FAE0D966F2BE2C8A128684B0A42EF9A" ID-DOI="10.3897/zookeys.1218.137110.figure3" ID-arpha="17449ED9-F075-5A85-94C4-16734DE42D40" httpUri="https://binary.pensoft.net/fig/1177989" startId="F3">
|
||
<paragraph id="9C81A541743845632CC9088AE8A52B14">
|
||
<label id="04BA6BB83E0FBEDB0F001802318AEA9A">Figure 3.</label>
|
||
</paragraph>
|
||
<paragraph id="E78E7D51D5C8C5787F6F040518DF223B">
|
||
Wings of
|
||
<taxonomicName id="C681D98C51EA13660CA1AEADAB32FC44" authorityName="Mu & Huang" authorityYear="2024" class="Insecta" family="Isonychiidae" genus="Isonychia" kingdom="Animalia" order="Ephemeroptera" phylum="Arthropoda" rank="species" species="latias" status="sp. nov.">
|
||
<emphasis id="8CAFBE301FE3814707E14542056B18C1" italics="true">Isonychia latias</emphasis>
|
||
</taxonomicName>
|
||
<taxonomicNameLabel id="DB591062FBA1489A0847E01FD368179D" rank="species">sp. nov.</taxonomicNameLabel>
|
||
<emphasis id="3DA0C7ACC19877240B1B7F40F86B34C2" bold="true">A</emphasis>
|
||
male imago
|
||
<emphasis id="DF0276209F1CBAD734F0A2386C1897BC" bold="true">B</emphasis>
|
||
female imago
|
||
<emphasis id="0ED742BEC680AED209B1AF9455AC83DA" bold="true">C</emphasis>
|
||
male subimago. Scale bars: 5.0 mm.
|
||
</paragraph>
|
||
</caption>
|
||
<caption id="BFC197588303245D187122360EB8D09E" ID-DOI="10.3897/zookeys.1218.137110.figure4" ID-arpha="E3FB21EA-7DD0-56E9-9734-CD46BD7389A4" httpUri="https://binary.pensoft.net/fig/1177990" startId="F4">
|
||
<paragraph id="1BA3CF5AE7537C616CDCA60BB7A38822">
|
||
<label id="554C98D93265334E9897A4B9849E9E76">Figure 4.</label>
|
||
</paragraph>
|
||
<paragraph id="F41C431369F9CC3893CE883BE41112F5">
|
||
Imaginal structures of
|
||
<taxonomicName id="18C2AD094809416996932A6D9181632C" authorityName="Mu & Huang" authorityYear="2024" class="Insecta" family="Isonychiidae" genus="Isonychia" kingdom="Animalia" order="Ephemeroptera" phylum="Arthropoda" rank="species" species="latias" status="sp. nov.">
|
||
<emphasis id="FB6D8474F9EE4CA4AEF9C74353F43FCF" italics="true">Isonychia latias</emphasis>
|
||
</taxonomicName>
|
||
<taxonomicNameLabel id="7D7C1006DCA02E3E1240599B4A8F3A8A" rank="species">sp. nov.</taxonomicNameLabel>
|
||
<emphasis id="13438DA4955B13B9B0B80B618F9F650F" bold="true">A, B</emphasis>
|
||
abdominal segments V – X, dorsal view
|
||
<emphasis id="776D06DC001919BFF9E79BA2577C1AF1" bold="true">A</emphasis>
|
||
male
|
||
<emphasis id="27A7CB9CF0EF60F2BFDF766A51E9D506" bold="true">B</emphasis>
|
||
female
|
||
<emphasis id="77B899B8B02C1551B7FB492973A062EC" bold="true">C, D</emphasis>
|
||
genital segments, ventral view
|
||
<emphasis id="6D714D06E37244939DA37B4E9E4F3060" bold="true">C</emphasis>
|
||
male
|
||
<emphasis id="7E1E9461DBAFF3C95CDAFF015AA5A5EE" bold="true">D</emphasis>
|
||
female
|
||
<emphasis id="E5DBE3DA0A974112C1AC430D2C352683" bold="true">E – H</emphasis>
|
||
penis
|
||
<emphasis id="861FB22B12E1F49770105ECE252DB973" bold="true">E</emphasis>
|
||
ventral view
|
||
<emphasis id="E226BF18EAC8BB5EF766C00B0A0DB92F" bold="true">F</emphasis>
|
||
dorsal view
|
||
<emphasis id="A76673E0FAA2D7D444EE99B6BF335B4B" bold="true">G</emphasis>
|
||
penis lobe enlarged, ventral view
|
||
<emphasis id="F2DC9991BC26C9D45F37CE0C3C388815" bold="true">H</emphasis>
|
||
penis lobe enlarged, dorsal view.
|
||
</paragraph>
|
||
</caption>
|
||
<paragraph id="AD469A92EC2F77411500666FAC608FEF">
|
||
<emphasis id="3EBB105D65E5164988C5806A10B4ABB5" bold="true" italics="true">Legs</emphasis>
|
||
(Fig.
|
||
<figureCitation id="40CF7DECD488517B9125F61BDC23CA7D" captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Imaginal structures of Isonychia latias sp. nov. A – C male imago A head B thorax, lateral view C thorax, ventral view D – F female imago D head E thorax, lateral view F thorax, ventral view G, H legs (fl: foreleg; ml: midleg; hl: hindleg) G male imago H female imago. Scale bars: 1.0 mm (A, D, G, H)." figureDoi="10.3897/zookeys.1218.137110.figure2" httpUri="https://binary.pensoft.net/fig/1177988">2 G</figureCitation>
|
||
). Foreleg: length ratio of femur (
|
||
<quantity id="A5639B804EA15DC21F3FAE89296EB432" metricMagnitude="-3" metricUnit="m" metricValue="2.7" unit="mm" value="2.7">2.7 mm</quantity>
|
||
): tibia: tarsus 1.0: 1.5: 1.6, length ratio of tarsomeres from basal to apical 1.0: 1.3: 1.0: 0.9: 0.4. Midleg: length ratio of femur (
|
||
<quantity id="D925B64A469543722432A662B58D15D2" metricMagnitude="-3" metricUnit="m" metricValue="3.2" unit="mm" value="3.2">3.2 mm</quantity>
|
||
): tibia: tarsus 1.0: 1.4: 0.6, tarsomeres arranged in decreasing order as 5, 2, 1, 3, 4. Hindleg: length ratio of femur (
|
||
<quantity id="DDE384837ABA04B4145963BEC1DB4E75" metricMagnitude="-3" metricUnit="m" metricValue="3.2" unit="mm" value="3.2">3.2 mm</quantity>
|
||
): tibia: tarsus 1.0: 1.2: 0.5, tarsomeres arranged in decreasing order as 5, 2, 1, 3, 4. Foreleg with both claws similar, blunt, and provided with a soft plate; mid- and hindlegs with both claws similar and pointed.
|
||
</paragraph>
|
||
<paragraph id="8C22958FEE907E9FE9D6814C2F133203">
|
||
<emphasis id="6339A2B862A0C0DA7DB0C73C3E6D6FE2" bold="true" italics="true">Wings</emphasis>
|
||
(Fig.
|
||
<figureCitation id="6B3708102A9FC7B620FFFC40AA3337FF" captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Wings of Isonychia latias sp. nov. A male imago B female imago C male subimago. Scale bars: 5.0 mm." figureDoi="10.3897/zookeys.1218.137110.figure3" httpUri="https://binary.pensoft.net/fig/1177989">3 A</figureCitation>
|
||
). Forewing: number of crossveins relatively large, and pterostigmatic area with about 30 crossveins between C and Sc;
|
||
<collectionCode id="F929D43F75EBDCCF6A9E41B45B200869" country="0" name="Mohonk Preserve, Inc.">MP</collectionCode>
|
||
forked asymmetrically,
|
||
<collectionCode id="EB32258D29A25E4C99C8FDBAEF57FE5A" country="0" name="Mohonk Preserve, Inc.">MP</collectionCode>
|
||
<subScript id="2A070586E0BAEB81F7B2A2B4B0D4EA55">2</subScript>
|
||
strongly curved in proximal part; cubital field with two or three unforked and four forked veins gone from CuA to basitornal and tornoapical margins. Hindwing: length ratio of maximum length: width 1.4: 1.0; costal projection round and with 4–5 crossveins; tornoapical margin slightly concave; RS forked about 1 / 2 of distance from base of vein to margin; MA forked slightly more apically than RS;
|
||
<collectionCode id="C5973E5BB32C8D0BCCB990551C962B4A" country="0" name="Mohonk Preserve, Inc.">MP</collectionCode>
|
||
forked about 3 / 4 of distance from base of vein to margin.
|
||
</paragraph>
|
||
<paragraph id="A06300CB342849888368A13FCD38BA82">
|
||
<emphasis id="837D7162721874F1849BE5547ED86789" bold="true" italics="true">Genitals</emphasis>
|
||
(Fig.
|
||
<figureCitation id="925F5B5DA4756F0CD5140A559CB65E94" captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Imaginal structures of Isonychia latias sp. nov. A, B abdominal segments V – X, dorsal view A male B female C, D genital segments, ventral view C male D female E – H penis E ventral view F dorsal view G penis lobe enlarged, ventral view H penis lobe enlarged, dorsal view." figureDoi="10.3897/zookeys.1218.137110.figure4" httpUri="https://binary.pensoft.net/fig/1177990">4 C, E – H</figureCitation>
|
||
). Gonostyli pedestals relatively long with blunt ventral-apical-median angles. Gonostylus with length of segment II ca 2.0 of segment III length, and length of segment III ca 1.4 of segment IV length. Penis reaching to middle part of gonostyli pedestals; penis lobes deeply separated with apices strongly divergent, and stout spines only present on subapical area of ventral surface. Processes between styliger and penis absent.
|
||
</paragraph>
|
||
<paragraph id="5CB846EB833E92AE1E8B64D5E2873994">
|
||
<emphasis id="0B9D269876A7FE2C64EF8CFA20B848F4" bold="true">Female imago.</emphasis>
|
||
Forewing length
|
||
<quantity id="5D1690280FB67282DDC0BE1887C9E7D3" metricMagnitude="-2" metricUnit="m" metricValue="2.31" metricValueMax="2.35" metricValueMin="2.27" unit="mm" value="23.1" valueMax="23.5" valueMin="22.7">22.7–23.5 mm</quantity>
|
||
. Similar to male imago except the following:
|
||
</paragraph>
|
||
<paragraph id="BC84347D0C786A813B14C6FE2D908071">
|
||
<emphasis id="2D2C2223F759112B180E672F8077AC5C" bold="true">
|
||
<emphasis id="47287C5548D57ED492AFD3D8FE9171BF" bold="true" italics="true">Coloration</emphasis>
|
||
.
|
||
</emphasis>
|
||
General body color reddish (Fig.
|
||
<figureCitation id="598FE3E5FB03A27DE24AC631A88F12C3" captionStart="Figure 1" captionStartId="F1" captionText="Figure 1. Adults of Isonychia latias sp. nov. A male imago B female imago C male subimago. (Photographed by Qianle Lu)." figureDoi="10.3897/zookeys.1218.137110.figure1" httpUri="https://binary.pensoft.net/fig/1177987">1 B</figureCitation>
|
||
). Compound eyes blue-gray (Fig.
|
||
<figureCitation id="7DA07403CD3CB1EDBC77FD4EDA449341" captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Imaginal structures of Isonychia latias sp. nov. A – C male imago A head B thorax, lateral view C thorax, ventral view D – F female imago D head E thorax, lateral view F thorax, ventral view G, H legs (fl: foreleg; ml: midleg; hl: hindleg) G male imago H female imago. Scale bars: 1.0 mm (A, D, G, H)." figureDoi="10.3897/zookeys.1218.137110.figure2" httpUri="https://binary.pensoft.net/fig/1177988">2 D</figureCitation>
|
||
). Thoracic pattern similar to male imago but reddish in general (Fig.
|
||
<figureCitation id="CBF52EACF0A2BAE9FA30554728059DE5" captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Imaginal structures of Isonychia latias sp. nov. A – C male imago A head B thorax, lateral view C thorax, ventral view D – F female imago D head E thorax, lateral view F thorax, ventral view G, H legs (fl: foreleg; ml: midleg; hl: hindleg) G male imago H female imago. Scale bars: 1.0 mm (A, D, G, H)." figureDoi="10.3897/zookeys.1218.137110.figure2" httpUri="https://binary.pensoft.net/fig/1177988">2 E, F</figureCitation>
|
||
). Forefemur reddish, slightly shaded with dark reddish apically; foretibia dark reddish; foretarsus, mid- and hindlegs reddish (Fig.
|
||
<figureCitation id="230232AEB56CFDE4400DD05A6EEF5F91" captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Imaginal structures of Isonychia latias sp. nov. A – C male imago A head B thorax, lateral view C thorax, ventral view D – F female imago D head E thorax, lateral view F thorax, ventral view G, H legs (fl: foreleg; ml: midleg; hl: hindleg) G male imago H female imago. Scale bars: 1.0 mm (A, D, G, H)." figureDoi="10.3897/zookeys.1218.137110.figure2" httpUri="https://binary.pensoft.net/fig/1177988">2 H</figureCitation>
|
||
). Forewing with dark brown band occupying pterostigmatic area; hindwing colorless; all veins of both wings dark brown (Fig.
|
||
<figureCitation id="355E3B9AD87C0DDFFEADB7EA4EA5965B" captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Wings of Isonychia latias sp. nov. A male imago B female imago C male subimago. Scale bars: 5.0 mm." figureDoi="10.3897/zookeys.1218.137110.figure3" httpUri="https://binary.pensoft.net/fig/1177989">3 B</figureCitation>
|
||
). Abdominal tergum I dark reddish; terga II – VII reddish; terga VIII – IX with anteromedian part reddish and posterolateral part black, and black area of tergum IX larger than that of tergum VIII (Fig.
|
||
<figureCitation id="22124A35F19BE27E8CED20BF94E1F720" captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Imaginal structures of Isonychia latias sp. nov. A, B abdominal segments V – X, dorsal view A male B female C, D genital segments, ventral view C male D female E – H penis E ventral view F dorsal view G penis lobe enlarged, ventral view H penis lobe enlarged, dorsal view." figureDoi="10.3897/zookeys.1218.137110.figure4" httpUri="https://binary.pensoft.net/fig/1177990">4 B</figureCitation>
|
||
). Abdominal sterna reddish brown, except sternum IX with large, transverse, dark brown band (Fig.
|
||
<figureCitation id="9EAEBA1DB1F74AE95F5AD80C9CD61F60" captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Imaginal structures of Isonychia latias sp. nov. A, B abdominal segments V – X, dorsal view A male B female C, D genital segments, ventral view C male D female E – H penis E ventral view F dorsal view G penis lobe enlarged, ventral view H penis lobe enlarged, dorsal view." figureDoi="10.3897/zookeys.1218.137110.figure4" httpUri="https://binary.pensoft.net/fig/1177990">4 D</figureCitation>
|
||
).
|
||
</paragraph>
|
||
<paragraph id="9C7AE5FC611F8CED4F825FB799C1636F">
|
||
<emphasis id="2A65B81D2E89E52990A0180468EC632A" bold="true" italics="true">Legs</emphasis>
|
||
(Fig.
|
||
<figureCitation id="79A14A7CEFB0C1D1CBDD80FA92A19967" captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Imaginal structures of Isonychia latias sp. nov. A – C male imago A head B thorax, lateral view C thorax, ventral view D – F female imago D head E thorax, lateral view F thorax, ventral view G, H legs (fl: foreleg; ml: midleg; hl: hindleg) G male imago H female imago. Scale bars: 1.0 mm (A, D, G, H)." figureDoi="10.3897/zookeys.1218.137110.figure2" httpUri="https://binary.pensoft.net/fig/1177988">2 H</figureCitation>
|
||
). Foreleg: length ratio of femur (
|
||
<quantity id="FB916CE8FE72F0333644D4665DF7946F" metricMagnitude="-3" metricUnit="m" metricValue="2.8" unit="mm" value="2.8">2.8 mm</quantity>
|
||
): tibia: tarsus 1.0: 1.5: 0.9, length ratio of tarsomeres from basal to apical 1.0: 1.1: 0.9: 0.7: 1.1. Midleg: length ratio of femur (
|
||
<quantity id="2F9E37152994C7DA2F246207CBD6BAEA" metricMagnitude="-3" metricUnit="m" metricValue="3.5" unit="mm" value="3.5">3.5 mm</quantity>
|
||
): tibia: tarsus 1.0: 1.3: 0.5. Hindleg: length ratio of femur (
|
||
<quantity id="AA27D76E84D3B93D55DE36321C6A4B55" metricMagnitude="-3" metricUnit="m" metricValue="3.8" unit="mm" value="3.8">3.8 mm</quantity>
|
||
): tibia: tarsus 1.0: 1.0: 0.4. Both claws of all legs similar and pointed.
|
||
</paragraph>
|
||
<paragraph id="33B21B54332689FADEDF2DB70B5BEC71">
|
||
<emphasis id="95C1FF5571113DD0071A44B23CD0340A" bold="true" italics="true">Wings</emphasis>
|
||
(Fig.
|
||
<figureCitation id="4AB01EFD0F550CEF9C078F647AF7BBCC" captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Wings of Isonychia latias sp. nov. A male imago B female imago C male subimago. Scale bars: 5.0 mm." figureDoi="10.3897/zookeys.1218.137110.figure3" httpUri="https://binary.pensoft.net/fig/1177989">3 B</figureCitation>
|
||
). Hindwing: length ratio of maximum length: width 1.6: 1.0; RS forked about 2 / 5 of distance from base of vein to margin; MA forked about 1 / 2 of distance from base of vein to margin;
|
||
<collectionCode id="FD13BB1472AA23DB445C1283FCEF8981" country="0" name="Mohonk Preserve, Inc.">MP</collectionCode>
|
||
forked about 7 / 10 of distance from base of vein to margin.
|
||
</paragraph>
|
||
<paragraph id="2FDA7309071CF4503DE13B5F374A9974">
|
||
<emphasis id="8C7A11A7231C0806D0E0E5CCE2E25E0B" bold="true" italics="true">Genitalia</emphasis>
|
||
(Fig.
|
||
<figureCitation id="F81CB0F635C2D3B73EFF7ECC65E13E00" captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Imaginal structures of Isonychia latias sp. nov. A, B abdominal segments V – X, dorsal view A male B female C, D genital segments, ventral view C male D female E – H penis E ventral view F dorsal view G penis lobe enlarged, ventral view H penis lobe enlarged, dorsal view." figureDoi="10.3897/zookeys.1218.137110.figure4" httpUri="https://binary.pensoft.net/fig/1177990">4 D</figureCitation>
|
||
). Subgenital plate slightly elongated with rounded posterior margin. Subanal plate with deep posteromedian emargination.
|
||
</paragraph>
|
||
<paragraph id="1AAAE96CEA222237EE9DF4E658400C51">
|
||
<emphasis id="82D4CD7B0CF46171756CEA8F98A49E51" bold="true">Male subimago.</emphasis>
|
||
Similar to male imago except the following: Mesonotum with brown lateral pigmented area occupying submedioscutum and sublateroscutum back to posterior scutal protuberance (
|
||
<abbrev id="ABBRID0EVAAG" xlink_title="posterior scutal protuberance">PSp</abbrev>
|
||
); medioscutum and
|
||
<abbrev id="ABBRID0EZAAG" xlink_title="posterior scutal protuberance">PSp</abbrev>
|
||
pale. Foreleg: length ratio of femur (
|
||
<quantity id="9818FEFDD7E7F789B8BA1A64738EFE53" metricMagnitude="-3" metricUnit="m" metricValue="2.6" unit="mm" value="2.6">2.6 mm</quantity>
|
||
): tibia: tarsus 1.0: 1.4: 1.2, length ratio of tarsomeres from basal to apical 1.0: 1.0: 0.8: 0.7: 0.7. Tarsomeres of all legs covered with “ U ” - shape, blunt microlepides. Both claws of all legs similar and pointed. Wings brown to dark brown in general, coloration as in Fig.
|
||
<figureCitation id="1109E0734309CFFE8E2287C2C02AC28E" captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Wings of Isonychia latias sp. nov. A male imago B female imago C male subimago. Scale bars: 5.0 mm." figureDoi="10.3897/zookeys.1218.137110.figure3" httpUri="https://binary.pensoft.net/fig/1177989">3 C</figureCitation>
|
||
.
|
||
</paragraph>
|
||
<paragraph id="E4CA14550EC79516DCBC85984BA212F1">
|
||
<emphasis id="6626E4620E54836A4080ED9DA869DF21" bold="true">Female subimago.</emphasis>
|
||
Similar to male subimago except the following: Foreleg: length ratio of femur (
|
||
<quantity id="A2888C90A4D2B86A96554FC619A5615D" metricMagnitude="-3" metricUnit="m" metricValue="2.9" unit="mm" value="2.9">2.9 mm</quantity>
|
||
): tibia: tarsus 1.0: 1.4: 0.9, length ratio of tarsomeres from basal to apical 1.0: 1.1: 0.9: 0.7: 1.1. Subgenital plate not elongated.
|
||
</paragraph>
|
||
<paragraph id="C1BA642D110A8191BCDBB9D67D6C5B1E">
|
||
<emphasis id="C1403219B604F33ED4B2CE7EB2914EC6" bold="true">Larva.</emphasis>
|
||
Body length: male
|
||
<quantity id="F3DC9E5B0FA5DD7D8D86B5348E3B6157" metricMagnitude="-2" metricUnit="m" metricValue="1.995" metricValueMax="2.06" metricValueMin="1.93" unit="mm" value="19.95" valueMax="20.6" valueMin="19.3">19.3–20.6 mm</quantity>
|
||
; female
|
||
<quantity id="FCED5C6CFA6C53D25C958AF4EC7C2F17" metricMagnitude="-2" metricUnit="m" metricValue="2.4899999999999998" metricValueMax="2.61" metricValueMin="2.37" unit="mm" value="24.9" valueMax="26.1" valueMin="23.7">23.7–26.1 mm</quantity>
|
||
.
|
||
</paragraph>
|
||
<paragraph id="6FCCCC5519DEE4083EF26E68135BC77C">
|
||
<emphasis id="370486885CE4FFBC5ED726F741FF825E" bold="true">
|
||
<emphasis id="D5B64745CA591227D73DDC9F42B52226" bold="true" italics="true">Coloration</emphasis>
|
||
.
|
||
</emphasis>
|
||
General body color dark brown. Head capsule dark brown, except frontal carina, and median parts of clypeus and vertex yellowish; scape and pedicel brown, flagella pale; dorsum of labrum dark brown with pale longitudinal line medially (Fig.
|
||
<figureCitation id="101954961948AA5B94F2DB68F67B00C0" captionStart="Figure 5" captionStartId="F5" captionText="Figure 5. Larval structures of Isonychia latias sp. nov. A head, front view B labrum (left: dorsal view; right: ventral view) C mandible, dorsal view (left: left mandible right: right mandible) D hypopharynx (left: dorsal view right: ventral view) E maxilla, dorsal view F labium (left: dorsal view; right: ventral view)." figureDoi="10.3897/zookeys.1218.137110.figure5" httpUri="https://binary.pensoft.net/fig/1177991">5 A</figureCitation>
|
||
). Thoracic nota dark brown but with pale median longitudinal stripe and irregular pale markings (Fig.
|
||
<figureCitation id="0EB4FE8FF8A915AEC2CF83CECF7DD4D8" captionStart="Figure 6" captionStartId="F6" captionText="Figure 6. Larval structures of Isonychia latias sp. nov. A right half of pronotum and mesonotum B thorax, ventral view (white arrow shows projection on basisternum of mesothorax black arrow shows projection on basisternum of metathorax) C legs (fl: foreleg ml: midleg hl: hindleg) D apical part of foreleg E ventral cleft of hindfemur. Scale bar: 1.0 mm (C)." figureDoi="10.3897/zookeys.1218.137110.figure6" httpUri="https://binary.pensoft.net/fig/1177992">6 A</figureCitation>
|
||
). Forefemur with two transverse dark bands, foretibia with 1 transverse dark band medially, and foretarsus with 1 transverse dark band in proximal part; mid- and hindleg with similar coloration except femur with two transverse dark bands connected by dark stripe, and dark band on tibia more basally (Fig.
|
||
<figureCitation id="44260A9CB6DB33B8CD25069A5D0B0D91" captionStart="Figure 6" captionStartId="F6" captionText="Figure 6. Larval structures of Isonychia latias sp. nov. A right half of pronotum and mesonotum B thorax, ventral view (white arrow shows projection on basisternum of mesothorax black arrow shows projection on basisternum of metathorax) C legs (fl: foreleg ml: midleg hl: hindleg) D apical part of foreleg E ventral cleft of hindfemur. Scale bar: 1.0 mm (C)." figureDoi="10.3897/zookeys.1218.137110.figure6" httpUri="https://binary.pensoft.net/fig/1177992">6 C</figureCitation>
|
||
). Abdominal terga dark brown in general; terga I – VII with pale median longitudinal stripes (shorter and less pronounced posteriorly); terga II – IX with pair of pale submedian longitudinal stripes; tergum X with pair of light spots close to anterior margin (Fig.
|
||
<figureCitation id="58C0484A20C2D107FF43F43D5BC2B647" captionStart="Figure 7" captionStartId="F7" captionText="Figure 7. Larval structures of Isonychia latias sp. nov. A tergalii (t 1: tergalius I; t 4: tergalius IV; t 5: tergalius V; t 7: tergalius VII) B thoracic sterna, lateral view (white arrow shows projection on basisternum of mesothorax black arrow shows projection on basisternum of metathorax) C abdominal terga I – X D abdominal sterna VIII – IX E caudalii. Scale bars: 1.0 cm (A); 2.0 mm (C, E)." figureDoi="10.3897/zookeys.1218.137110.figure7" httpUri="https://binary.pensoft.net/fig/1177993">7 C</figureCitation>
|
||
). Abdominal sterna brown in general; sterna II – IX with pair of pale submedian longitudinal stripes, and sterna II – VIII with four dots situated in transverse line behind these stripes. Tergalii without distinct dots or markings (Fig.
|
||
<figureCitation id="27144AD4041C4EA43F37A38065DCDAD3" captionStart="Figure 7" captionStartId="F7" captionText="Figure 7. Larval structures of Isonychia latias sp. nov. A tergalii (t 1: tergalius I; t 4: tergalius IV; t 5: tergalius V; t 7: tergalius VII) B thoracic sterna, lateral view (white arrow shows projection on basisternum of mesothorax black arrow shows projection on basisternum of metathorax) C abdominal terga I – X D abdominal sterna VIII – IX E caudalii. Scale bars: 1.0 cm (A); 2.0 mm (C, E)." figureDoi="10.3897/zookeys.1218.137110.figure7" httpUri="https://binary.pensoft.net/fig/1177993">7 A</figureCitation>
|
||
). Caudalii brown basally and gradually paler towards apices without dark band medially.
|
||
</paragraph>
|
||
<caption id="353E0BCD9E729841A9FE9CCE14A6F8F0" ID-DOI="10.3897/zookeys.1218.137110.figure5" ID-arpha="29075800-109E-55F2-B941-4831674997A8" httpUri="https://binary.pensoft.net/fig/1177991" startId="F5">
|
||
<paragraph id="3CC61EA3DC963D7D4D36DAA3D17E0568">
|
||
<label id="71937A241CE9EDBAB88691D76B3B6D2C">Figure 5.</label>
|
||
</paragraph>
|
||
<paragraph id="3ADD6B680C1FAF035A171EF93C56FD9D">
|
||
Larval structures of
|
||
<taxonomicName id="BD916CB3FF25A61D19280C142E94BA47" authorityName="Mu & Huang" authorityYear="2024" class="Insecta" family="Isonychiidae" genus="Isonychia" kingdom="Animalia" order="Ephemeroptera" phylum="Arthropoda" rank="species" species="latias" status="sp. nov.">
|
||
<emphasis id="ADF54C0365866149D7123D7F8FB637E8" italics="true">Isonychia latias</emphasis>
|
||
</taxonomicName>
|
||
<taxonomicNameLabel id="CC81B02034222C0490BAEDD99129CEE5" rank="species">sp. nov.</taxonomicNameLabel>
|
||
<emphasis id="D17C1CD3DA74FA23FC8992812534D28D" bold="true">A</emphasis>
|
||
head, front view
|
||
<emphasis id="484A0734E8F288DA9775113F32B92E5F" bold="true">B</emphasis>
|
||
labrum (left: dorsal view; right: ventral view)
|
||
<emphasis id="CA9495EEF87C3FD3958587620F3598DB" bold="true">C</emphasis>
|
||
mandible, dorsal view (left: left mandible right: right mandible)
|
||
<emphasis id="8AB163C5E4F38BFA8FC77BAB0632C207" bold="true">D</emphasis>
|
||
hypopharynx (left: dorsal view right: ventral view)
|
||
<emphasis id="FDC712D0081C93043EF75958F1E0750D" bold="true">E</emphasis>
|
||
maxilla, dorsal view
|
||
<emphasis id="7ED20677933237BFF60CF57977873A9B" bold="true">F</emphasis>
|
||
labium (left: dorsal view; right: ventral view).
|
||
</paragraph>
|
||
</caption>
|
||
<caption id="D584939D9358C10883BB26A0E7E012B0" ID-DOI="10.3897/zookeys.1218.137110.figure6" ID-arpha="133E18B1-22D8-5CBA-B6AB-B5938F39509F" httpUri="https://binary.pensoft.net/fig/1177992" startId="F6">
|
||
<paragraph id="72585261A87C8CDD1D23EE63D90A56D9">
|
||
<label id="9DBD99BB7A02001E1AA86D8564DD4AD6">Figure 6.</label>
|
||
</paragraph>
|
||
<paragraph id="AE8E5D25E90EB5C99D166F8C3C7150FD">
|
||
Larval structures of
|
||
<taxonomicName id="FCD001D84036D8201EFB8950D447D0AC" authorityName="Mu & Huang" authorityYear="2024" class="Insecta" family="Isonychiidae" genus="Isonychia" kingdom="Animalia" order="Ephemeroptera" phylum="Arthropoda" rank="species" species="latias" status="sp. nov.">
|
||
<emphasis id="B794A10ABDBA8C98B741B0D5E8A39091" italics="true">Isonychia latias</emphasis>
|
||
</taxonomicName>
|
||
<taxonomicNameLabel id="8EF6BFE0406CA2889DE19FA324A3089A" rank="species">sp. nov.</taxonomicNameLabel>
|
||
<emphasis id="D715CAEB9BE92557C0B9A2D512D85670" bold="true">A</emphasis>
|
||
right half of pronotum and mesonotum
|
||
<emphasis id="7172E00311C5B8A843C9299A7BF3772E" bold="true">B</emphasis>
|
||
thorax, ventral view (white arrow shows projection on basisternum of mesothorax black arrow shows projection on basisternum of metathorax)
|
||
<emphasis id="9958A664313A315F99BABE550D8410D2" bold="true">C</emphasis>
|
||
legs (fl: foreleg ml: midleg hl: hindleg)
|
||
<emphasis id="860C4FB3E5DE47021A89D68F23B29592" bold="true">D</emphasis>
|
||
apical part of foreleg
|
||
<emphasis id="8E3EBFE9E4B5EEBD5166DF25ADA5F8FB" bold="true">E</emphasis>
|
||
ventral cleft of hindfemur. Scale bar: 1.0 mm (
|
||
<emphasis id="167C031106B6C0A188BEE818A691E0D0" bold="true">C</emphasis>
|
||
).
|
||
</paragraph>
|
||
</caption>
|
||
<caption id="E4CE1A652273707941CDAAB7A2CB63EC" ID-DOI="10.3897/zookeys.1218.137110.figure7" ID-arpha="E17F26CD-42B4-57D8-A6AF-9B34AF6D7EDE" httpUri="https://binary.pensoft.net/fig/1177993" startId="F7">
|
||
<paragraph id="3A2DE73A9C7751F379D61CB1DE5A2C0B">
|
||
<label id="581976F706AABDA0153A20E718DED985">Figure 7.</label>
|
||
</paragraph>
|
||
<paragraph id="DC2E4BE558C391A1146E0139671F90C0">
|
||
Larval structures of
|
||
<taxonomicName id="A6C02A3399BAFB080A279875F2FE540C" authorityName="Mu & Huang" authorityYear="2024" class="Insecta" family="Isonychiidae" genus="Isonychia" kingdom="Animalia" order="Ephemeroptera" phylum="Arthropoda" rank="species" species="latias" status="sp. nov.">
|
||
<emphasis id="89F7FE39DE907B21BF868012ECBA69E1" italics="true">Isonychia latias</emphasis>
|
||
</taxonomicName>
|
||
<taxonomicNameLabel id="B9D6BEA25D51B91828DDBA1F4F663E2D" rank="species">sp. nov.</taxonomicNameLabel>
|
||
<emphasis id="1D6895D920D5F69D1DC81AE2D79659BB" bold="true">A</emphasis>
|
||
tergalii (t 1: tergalius I; t 4: tergalius IV; t 5: tergalius V; t 7: tergalius VII)
|
||
<emphasis id="6AA50ECE040C83DCEDA7436E584947A8" bold="true">B</emphasis>
|
||
thoracic sterna, lateral view (white arrow shows projection on basisternum of mesothorax black arrow shows projection on basisternum of metathorax)
|
||
<emphasis id="42695833A6FCB8FEDABA85FB09FB38E4" bold="true">C</emphasis>
|
||
abdominal terga I – X
|
||
<emphasis id="E1241C0319C801198B8D2EACCC198666" bold="true">D</emphasis>
|
||
abdominal sterna VIII – IX
|
||
<emphasis id="2819BDFBB12069FE699B4BCBBD06B7F8" bold="true">E</emphasis>
|
||
caudalii. Scale bars: 1.0 cm (
|
||
<emphasis id="A9340886A86F8DB9D5100F523648D13B" bold="true">A</emphasis>
|
||
); 2.0 mm (
|
||
<emphasis id="A2F7138AAE19AEBABA9B2E032729E94A" bold="true">C, E</emphasis>
|
||
).
|
||
</paragraph>
|
||
</caption>
|
||
<paragraph id="BC3CB586F8FF6459F9856D491CD4EB32">
|
||
<emphasis id="BD95C057CBF9DC5DDC272628AB7DEEDC" bold="true" italics="true">Mouthparts</emphasis>
|
||
(Fig.
|
||
<figureCitation id="DEF6A560025395E4C554DB584FC2DD81" captionStart="Figure 5" captionStartId="F5" captionText="Figure 5. Larval structures of Isonychia latias sp. nov. A head, front view B labrum (left: dorsal view; right: ventral view) C mandible, dorsal view (left: left mandible right: right mandible) D hypopharynx (left: dorsal view right: ventral view) E maxilla, dorsal view F labium (left: dorsal view; right: ventral view)." figureDoi="10.3897/zookeys.1218.137110.figure5" httpUri="https://binary.pensoft.net/fig/1177991">5 B – F</figureCitation>
|
||
). Typical of
|
||
<taxonomicName id="A8CE4ABA2B085B810127590CFCAD7DC5" authorityName="Eaton" authorityYear="1871" class="Insecta" family="Isonychiidae" genus="Isonychia" kingdom="Animalia" order="Ephemeroptera" phylum="Arthropoda" rank="genus">
|
||
<emphasis id="E9DE2A72F0E85DA755403411864CC5EE" italics="true">Isonychia</emphasis>
|
||
</taxonomicName>
|
||
, setal pattern consistent with other congeners in general. Labrum subquadrate, widest part about twice as long. Superlingua round, width ca 0.6 of lingua width. Distal dentiseta of maxilla strongly diminished, needle-like, distinctly shorter and slenderer than proximal dentiseta. Length of segment I of maxillary palp ca 0.4 of segment II length. Length of segment I of labial palp ca 0.5 of segment II length. Length of paraglossa ca 0.5 of glossa length.
|
||
</paragraph>
|
||
<paragraph id="0151748F087FA8E353822A01773A0B4F">
|
||
<emphasis id="6C0D2FCDD0D0DE4D5438ACD4A34E63A2" bold="true" italics="true">Legs</emphasis>
|
||
(Fig.
|
||
<figureCitation id="5C42E2F17DAB1D8CDE54223DB1E3E3F9" captionStart="Figure 6" captionStartId="F6" captionText="Figure 6. Larval structures of Isonychia latias sp. nov. A right half of pronotum and mesonotum B thorax, ventral view (white arrow shows projection on basisternum of mesothorax black arrow shows projection on basisternum of metathorax) C legs (fl: foreleg ml: midleg hl: hindleg) D apical part of foreleg E ventral cleft of hindfemur. Scale bar: 1.0 mm (C)." figureDoi="10.3897/zookeys.1218.137110.figure6" httpUri="https://binary.pensoft.net/fig/1177992">6 C – E</figureCitation>
|
||
). Setal pattern typical of
|
||
<taxonomicName id="32E4D4366B372A0C3A0B3EBC8F389B56" authorityName="Eaton" authorityYear="1871" class="Insecta" family="Isonychiidae" genus="Isonychia" kingdom="Animalia" order="Ephemeroptera" phylum="Arthropoda" rank="genus">
|
||
<emphasis id="85040816164D59CFDD6622118B5D2B93" italics="true">Isonychia</emphasis>
|
||
</taxonomicName>
|
||
. Ventral cleft of hind femur with 5–8 spines. All claws with 7–9 blunt denticles. Gill on joining of forecoxa with thorax well developed, tuft-like.
|
||
</paragraph>
|
||
<paragraph id="E04885A0265F68682BB52F2BFFD5966C">
|
||
<emphasis id="DB33308FCB847B45EA623AA4A6BEA5A7" bold="true" italics="true">Thoracic sterna</emphasis>
|
||
(Figs
|
||
<figureCitation id="01DA080C0F2D288A468C98900378B877" captionStart="Figure 6" captionStartId="F6" captionText="Figure 6. Larval structures of Isonychia latias sp. nov. A right half of pronotum and mesonotum B thorax, ventral view (white arrow shows projection on basisternum of mesothorax black arrow shows projection on basisternum of metathorax) C legs (fl: foreleg ml: midleg hl: hindleg) D apical part of foreleg E ventral cleft of hindfemur. Scale bar: 1.0 mm (C)." figureDoi="10.3897/zookeys.1218.137110.figure6" httpUri="https://binary.pensoft.net/fig/1177992">6 B</figureCitation>
|
||
,
|
||
<figureCitation id="A2FAD3459CEE3031B8F7DD706899AA92" captionStart="Figure 7" captionStartId="F7" captionText="Figure 7. Larval structures of Isonychia latias sp. nov. A tergalii (t 1: tergalius I; t 4: tergalius IV; t 5: tergalius V; t 7: tergalius VII) B thoracic sterna, lateral view (white arrow shows projection on basisternum of mesothorax black arrow shows projection on basisternum of metathorax) C abdominal terga I – X D abdominal sterna VIII – IX E caudalii. Scale bars: 1.0 cm (A); 2.0 mm (C, E)." figureDoi="10.3897/zookeys.1218.137110.figure7" httpUri="https://binary.pensoft.net/fig/1177993">7 B</figureCitation>
|
||
). Bifurcate projection on basisternum of mesothorax well developed; paired projections on basisternum of metathorax relatively weakly expressed.
|
||
</paragraph>
|
||
<paragraph id="5F4641A4AFD00BE38758611136B4435B">
|
||
<emphasis id="A38366A7DAAFF3F59307BC50643121A1" bold="true" italics="true">Tergalii</emphasis>
|
||
(Fig.
|
||
<figureCitation id="39BBA3545A79D31C3F386FE8ED8ACF53" captionStart="Figure 7" captionStartId="F7" captionText="Figure 7. Larval structures of Isonychia latias sp. nov. A tergalii (t 1: tergalius I; t 4: tergalius IV; t 5: tergalius V; t 7: tergalius VII) B thoracic sterna, lateral view (white arrow shows projection on basisternum of mesothorax black arrow shows projection on basisternum of metathorax) C abdominal terga I – X D abdominal sterna VIII – IX E caudalii. Scale bars: 1.0 cm (A); 2.0 mm (C, E)." figureDoi="10.3897/zookeys.1218.137110.figure7" httpUri="https://binary.pensoft.net/fig/1177993">7 A</figureCitation>
|
||
). Lamella of tergalius I distinctly smaller than other lamellae of tergalii, apical part of costal rib with 4–5 spine-like denticles; lamellae of tergalii II – VII gradually larger posteriorly, each lamella usually with 5–7 spine-like denticles on apical part of costal rib and on apical part of posterior branch of anal rib (rarely beyond this range, and in tergalii III – VII mostly with 6 denticles), and no denticles present on apical margin between these two areas. Ventral fibrillose lobe well developed in all tergalii.
|
||
</paragraph>
|
||
<paragraph id="05F62521668972884F1008A3B2B715E1">
|
||
<emphasis id="732FCBDDA95AB8C46D4803C569E949F7" bold="true" italics="true">Abdominal terga and sterna</emphasis>
|
||
(Fig.
|
||
<figureCitation id="18F0639F0CCFC136E019708CA3066AB4" captionStart="Figure 7" captionStartId="F7" captionText="Figure 7. Larval structures of Isonychia latias sp. nov. A tergalii (t 1: tergalius I; t 4: tergalius IV; t 5: tergalius V; t 7: tergalius VII) B thoracic sterna, lateral view (white arrow shows projection on basisternum of mesothorax black arrow shows projection on basisternum of metathorax) C abdominal terga I – X D abdominal sterna VIII – IX E caudalii. Scale bars: 1.0 cm (A); 2.0 mm (C, E)." figureDoi="10.3897/zookeys.1218.137110.figure7" httpUri="https://binary.pensoft.net/fig/1177993">7 C, D</figureCitation>
|
||
). Terga II – X with acute denticles along posterior margins. Sterna
|
||
<collectionCode id="4324E9C1DFAB0E11890ED7FF37476C83" country="Norway" name="Mykotektet, National Veterinary Institute">VI</collectionCode>
|
||
– VIII with acute denticles along posterior margins, and subanal plate with smaller and denser denticles on median part of posterior margin. Posterolateral spines well developed on segment VIII – IX.
|
||
</paragraph>
|
||
<paragraph id="EFC983597F026F700E91FDA4F4F37922">
|
||
<emphasis id="D3FCC078B55065C29F2AD136EA28A12F" bold="true">Egg</emphasis>
|
||
(Fig.
|
||
<figureCitation id="CB2777E99117A2B4B3E3814225A5B04E" captionStart="Figure 8" captionStartId="F8" captionText="Figure 8. SEM photos of eggs of Isonychia latias sp. nov. A, B egg C micropyle enlarged D KCTs enlarged." figureDoi="10.3897/zookeys.1218.137110.figure8" httpUri="https://binary.pensoft.net/fig/1177994">8 A – D</figureCitation>
|
||
). Spherical; chorion densely covered with small tubercles, and without reticulation; KCTs dense in one hemisphere, and other area sparsely scattered with smaller KCTs.
|
||
</paragraph>
|
||
<caption id="954808AA0F51F00CE3B144953E191DC1" ID-DOI="10.3897/zookeys.1218.137110.figure8" ID-arpha="A19EFA56-F512-5321-A41E-5FC3CD74748A" httpUri="https://binary.pensoft.net/fig/1177994" startId="F8">
|
||
<paragraph id="46215E9DF89E6B44BE4EC9810F775E75">
|
||
<label id="0704168FE057D41C6F36A3EACCC0A8E0">Figure 8.</label>
|
||
</paragraph>
|
||
<paragraph id="ED633F8C954EFDEF2D77A67FB6838E08">
|
||
SEM photos of eggs of
|
||
<taxonomicName id="0158A3B9330D6FE8B1AA0527737AB80D" authorityName="Mu & Huang" authorityYear="2024" class="Insecta" family="Isonychiidae" genus="Isonychia" kingdom="Animalia" order="Ephemeroptera" phylum="Arthropoda" rank="species" species="latias" status="sp. nov.">
|
||
<emphasis id="8E5A859FD7396689F6A9CEA053F39280" italics="true">Isonychia latias</emphasis>
|
||
</taxonomicName>
|
||
<taxonomicNameLabel id="3CDAAC1B408858A2B5477F4AE9972A39" rank="species">sp. nov.</taxonomicNameLabel>
|
||
<emphasis id="01D81E65951795F2606FBDD486F3198C" bold="true">A, B</emphasis>
|
||
egg
|
||
<emphasis id="CF0E5A658A67C720F23C3AF16FE1EF09" bold="true">C</emphasis>
|
||
micropyle enlarged
|
||
<emphasis id="94991C611005C3E32EAF93D66FCF8588" bold="true">D</emphasis>
|
||
KCTs enlarged.
|
||
</paragraph>
|
||
</caption>
|
||
</subSubSection>
|
||
<subSubSection id="SECID0EMJAG" type="diagnosis">
|
||
<paragraph id="57F21CFAF7EA5ED28241E361CF694B92">
|
||
<heading id="4F272D15BB1AF50F59E5E8144FE59EEC" reason="title">Diagnosis.</heading>
|
||
</paragraph>
|
||
<paragraph id="0F07F0AB95958D72A1EFE316192E2300">
|
||
<taxonomicName id="AFAC6D77C3D1FAC57DC7697B67A0FC43" authorityName="Mu & Huang" authorityYear="2024" class="Insecta" family="Isonychiidae" genus="Isonychia" kingdom="Animalia" order="Ephemeroptera" phylum="Arthropoda" rank="species" species="latias" status="sp. nov.">
|
||
<emphasis id="A10898861EFBC4AE8DFF664B5B5B232D" italics="true">Isonychia latias</emphasis>
|
||
</taxonomicName>
|
||
<taxonomicNameLabel id="2F139EF8A4F970622D269B64D83E293E" rank="species">sp. nov.</taxonomicNameLabel>
|
||
can be readily distinguished from its congeners by the following combination of characters: For male imago: A) wings with distinct, dark brown coloration: on forewing occupying a large area of apical half as a transverse band, a small area around bifurcation point of Rs, and edges along basitornal margin and tornus, and on hindwing occupying almost whole apical part; B) mid- and hindlegs brown, nearly consistent with forefemur; C) pleura of pterothorax with three yellowish stripes formed by pale conjunctivas. For larvae: A) lamellae of all tergalii without spines on apical margin, and without distinct dots or markings; B) abdominal terga I – VII with pale median longitudinal stripes, terga II – IX with pair of pale submedian longitudinal stripes, and tergum X with pair of light spots close to anterior margin; C) caudalii brown basally and gradually paler towards apices without dark band medially. The larvae of
|
||
<taxonomicName id="C136E467A35CF42D2FDD0F480B3D13E2" authorityName="Mu & Huang" authorityYear="2024" class="Insecta" family="Isonychiidae" genus="Isonychia" kingdom="Animalia" order="Ephemeroptera" phylum="Arthropoda" rank="species" species="latias" status="sp. nov.">
|
||
<emphasis id="105E651CE87D032A6F8815A9A9E423A2" italics="true">I. latias</emphasis>
|
||
</taxonomicName>
|
||
<taxonomicNameLabel id="690BC7298169FA0D469E910509610D8D" rank="species">sp. nov.</taxonomicNameLabel>
|
||
resemble those of
|
||
<taxonomicName id="AC7C1CA6B29A941308E3C0921B0A0B81" authority="Qiang et al., 2024" authorityName="Qiang" authorityYear="2024" class="Insecta" family="Isonychiidae" genus="Isonychia" kingdom="Animalia" order="Ephemeroptera" phylum="Arthropoda" rank="species" species="fuscimarginata">
|
||
<emphasis id="42A1B1621FDF1F65EB90637000BC340A" italics="true">I. fuscimarginata</emphasis>
|
||
<bibRefCitation id="0C3A2935A6E58C416E329E867FBF09B4" DOI="10.1080/01650424.2024.2329539" author="Qiang" etAl="et al." firstAuthor="Qiang" refId="B26" refString="Qiang X-H, Gong D-W, Zhou C-F (2024) A new mayfly species of Isonychia Eaton, 1871 (Ephemeroptera: Isonychiidae) with colourful wings from southern China. Aquatic Insects: 1–19. https://doi.org/10.1080/01650424.2024.2329539" year="2024">Qiang et al., 2024</bibRefCitation>
|
||
</taxonomicName>
|
||
, based on the similar coloration of abdominal terga. However, they can be differentiated by the following characters: A) each lamella of tergalii of
|
||
<taxonomicName id="356AB093218CF7C69C052B68F92B6189" class="Insecta" family="Isonychiidae" genus="Isonychia" kingdom="Animalia" order="Ephemeroptera" phylum="Arthropoda" rank="species" species="fuscimarginata">
|
||
<emphasis id="8A82F3CE165B0A07F9110532FE8D9801" italics="true">I. fuscimarginata</emphasis>
|
||
</taxonomicName>
|
||
with a large middle dark purple dot basally, while those of
|
||
<taxonomicName id="0D36F0F9F96AE8ADBE1167B2BD49B299" authorityName="Mu & Huang" authorityYear="2024" class="Insecta" family="Isonychiidae" genus="Isonychia" kingdom="Animalia" order="Ephemeroptera" phylum="Arthropoda" rank="species" species="latias" status="sp. nov.">
|
||
<emphasis id="935ED83A885D9FD70C4985F88C40C691" italics="true">I. latias</emphasis>
|
||
</taxonomicName>
|
||
<taxonomicNameLabel id="A37AB40ACC8EFABC4B299ED9DFACCCD3" rank="species">sp. nov.</taxonomicNameLabel>
|
||
without dots; B) ventral fibrillose lobes of tergalii of
|
||
<taxonomicName id="56B1894BDF9C1A2D58431B8152682DB1" class="Insecta" family="Isonychiidae" genus="Isonychia" kingdom="Animalia" order="Ephemeroptera" phylum="Arthropoda" rank="species" species="fuscimarginata">
|
||
<emphasis id="718ECC6DAA647155582FF146F1CB675F" italics="true">I. fuscimarginata</emphasis>
|
||
</taxonomicName>
|
||
with fewer filaments than those of
|
||
<taxonomicName id="48DB6A944F20B5726F81A2F5B24CAA7F" authorityName="Mu & Huang" authorityYear="2024" class="Insecta" family="Isonychiidae" genus="Isonychia" kingdom="Animalia" order="Ephemeroptera" phylum="Arthropoda" rank="species" species="latias" status="sp. nov.">
|
||
<emphasis id="F79A255B3C9827E51851C3ED625E957A" italics="true">I. latias</emphasis>
|
||
</taxonomicName>
|
||
<taxonomicNameLabel id="A34BB4CAD61A2A218E3D0DEAC91D5AA1" rank="species">sp. nov.</taxonomicNameLabel>
|
||
; C)
|
||
<taxonomicName id="39CB3F9D0178BE4C0A3C314A0EBA5C53" class="Insecta" family="Isonychiidae" genus="Isonychia" kingdom="Animalia" order="Ephemeroptera" phylum="Arthropoda" rank="species" species="fuscimarginata">
|
||
<emphasis id="BABA2A056D40DFBCFB3DA8A13A2116FC" italics="true">I. fuscimarginata</emphasis>
|
||
</taxonomicName>
|
||
with submedian dark band on all caudalii and apical dark band on cerci, while all caudalii of
|
||
<taxonomicName id="873AD2C0A44BB31D6BA1BA0F08EB44BC" authorityName="Mu & Huang" authorityYear="2024" class="Insecta" family="Isonychiidae" genus="Isonychia" kingdom="Animalia" order="Ephemeroptera" phylum="Arthropoda" rank="species" species="latias" status="sp. nov.">
|
||
<emphasis id="2A84B8566175129B770700BAA4F45EF8" italics="true">I. latias</emphasis>
|
||
</taxonomicName>
|
||
<taxonomicNameLabel id="DE316B18207DFDA42ABA363D0BFDB52F" rank="species">sp. nov.</taxonomicNameLabel>
|
||
without dark band along their entire length.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="SECID0EZMAG" type="distribution">
|
||
<paragraph id="FCDA13ABF09AD568A26A615DD9C1F34D">
|
||
<heading id="7469BCE444CAB366864EF7CBA41EBA8E" reason="title">Distribution.</heading>
|
||
</paragraph>
|
||
<paragraph id="A9C0C61E05AACB8882A408D35E718D55">
|
||
<collectingCountry id="7EB5C29552092BE0B573CC3739007B01" name="China">China</collectingCountry>
|
||
:
|
||
<collectingRegion id="6221129437A9B16B71B5E82E64CB3B4D" country="China" name="Guizhou">Guizhou Province</collectingRegion>
|
||
(Zunyi City, Sanchahe River).
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="SECID0E5MAG" type="etymology">
|
||
<paragraph id="33C03712698A1AEFF798DC367CB94035">
|
||
<heading id="7FC7DE167EEC81BD397946C52CADBBB2" reason="title">Etymology.</heading>
|
||
</paragraph>
|
||
<paragraph id="4A57B4252257FA1E92CCCF107F1B3EA0">
|
||
The new species is named after Latias, an alate Pokémon with red and white appearance. The specific epithet
|
||
<emphasis id="9AA3C0E5951716CEB811BA219A2F26A0" italics="true">latias</emphasis>
|
||
is treated as a noun in apposition to the generic name.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="SECID0EONAG" type="biology">
|
||
<paragraph id="BB47F361CD5594F7320CF1917478A4B3">
|
||
<heading id="220B3A850EF35561D34715C86E887690" reason="title">Biology.</heading>
|
||
</paragraph>
|
||
<paragraph id="870259E43850ED1770F62193F9B09C6E">
|
||
The larvae of
|
||
<taxonomicName id="C2E26AD23033A0C4BF5197746B4C13BA" authorityName="Mu & Huang" authorityYear="2024" class="Insecta" family="Isonychiidae" genus="Isonychia" kingdom="Animalia" order="Ephemeroptera" phylum="Arthropoda" rank="species" species="latias" status="sp. nov.">
|
||
<emphasis id="AB9ECDBD7632FBE9DAD8A8117741D340" italics="true">Isonychia latias</emphasis>
|
||
</taxonomicName>
|
||
<taxonomicNameLabel id="8CE1C786DBAA22E1234871EFDFEAA2D6" rank="species">sp. nov.</taxonomicNameLabel>
|
||
have so far been found only in the Sanchahe River in
|
||
<collectingRegion id="53A15660A380D8A6094B73431E500541" country="China" name="Guizhou">Guizhou Province</collectingRegion>
|
||
. The collection site is located near a Danxia landform, characterized by a large amount of dark red rocks in the river (Fig.
|
||
<figureCitation id="AEDF9F08DAF29F7D270A8BC57C555C26" captionStart="Figure 9" captionStartId="F9" captionText="Figure 9. Habitat of Isonychia latias sp. nov. A, B Sanchahe River, Dan Xia Valley, China C, D mature larva of Isonychia latias sp. nov. about to emerge in natural environment." figureDoi="10.3897/zookeys.1218.137110.figure9" httpUri="https://binary.pensoft.net/fig/1177995">9 A, B</figureCitation>
|
||
). The larvae were primarily collected in rapid sections, and one mature larva about to emerge was found in a gravelly shallow area (Fig.
|
||
<figureCitation id="A99239F5D9127D16E6582C3FFC3A1055" captionStart="Figure 9" captionStartId="F9" captionText="Figure 9. Habitat of Isonychia latias sp. nov. A, B Sanchahe River, Dan Xia Valley, China C, D mature larva of Isonychia latias sp. nov. about to emerge in natural environment." figureDoi="10.3897/zookeys.1218.137110.figure9" httpUri="https://binary.pensoft.net/fig/1177995">9 C, D</figureCitation>
|
||
). The exuviae of the larvae were mainly found on stones
|
||
<quantity id="F23350ECE22E6CF2D0934618A5E189F5" metricMagnitude="-1" metricUnit="m" metricValue="1.5" metricValueMax="2.0" metricValueMin="1.0" unit="cm" value="15.0" valueMax="20.0" valueMin="10.0">10–20 cm</quantity>
|
||
above the water surface, with the highest reaching more than
|
||
<quantity id="1C2D2ED36B3DA19AC32BBF9E16972C5B" metricMagnitude="-1" metricUnit="m" metricValue="5.0" unit="cm" value="50.0">50 cm</quantity>
|
||
. The subimagos of both sexes moulted into imagos spending three nights after they were caught.
|
||
</paragraph>
|
||
<caption id="8C92B937988CD61E54CE4DEB60A582C2" ID-DOI="10.3897/zookeys.1218.137110.figure9" ID-arpha="94FA8FE8-00CC-5F64-8553-B01CFDE08B2F" httpUri="https://binary.pensoft.net/fig/1177995" startId="F9">
|
||
<paragraph id="295C1F650EC01613D0FBF631255FDA01">
|
||
<label id="A7AB1E6A61EFF28893113B25A10BA1DF">Figure 9.</label>
|
||
</paragraph>
|
||
<paragraph id="B0B669856B58CDCC4F5D5D766721C997">
|
||
Habitat of
|
||
<taxonomicName id="8346BB90C9A5CFD48DC22034544B64C2" authorityName="Mu & Huang" authorityYear="2024" class="Insecta" family="Isonychiidae" genus="Isonychia" kingdom="Animalia" order="Ephemeroptera" phylum="Arthropoda" rank="species" species="latias" status="sp. nov.">
|
||
<emphasis id="006FA3963C69C64815CDB61618D58326" italics="true">Isonychia latias</emphasis>
|
||
</taxonomicName>
|
||
<taxonomicNameLabel id="3D9063625E0C9FBA8D4D19E8B306BA2F" rank="species">sp. nov.</taxonomicNameLabel>
|
||
<emphasis id="A5316DE4E1ADF50BB3A1121F9AFBC946" bold="true">A, B</emphasis>
|
||
Sanchahe River, Dan Xia Valley, China
|
||
<emphasis id="337D3F1B1D95AEBDCB49E0446FABF85A" bold="true">C, D</emphasis>
|
||
mature larva of
|
||
<taxonomicName id="42462E89C25F2B83C77CED20F7CC4A86" authorityName="Mu & Huang" authorityYear="2024" class="Insecta" family="Isonychiidae" genus="Isonychia" kingdom="Animalia" order="Ephemeroptera" phylum="Arthropoda" rank="species" species="latias" status="sp. nov.">
|
||
<emphasis id="F07CA66E49990B2359CBAB085306FF84" italics="true">Isonychia latias</emphasis>
|
||
</taxonomicName>
|
||
<taxonomicNameLabel id="BD97E2463D9110733B9A11268947B88F" rank="species">sp. nov.</taxonomicNameLabel>
|
||
about to emerge in natural environment.
|
||
</paragraph>
|
||
</caption>
|
||
<paragraph id="2C050FECD4344E9443CD35F348A54EB4">
|
||
<title id="3D21E1ADC4C4E63B9D4B232A53DE3155">Genetics</title>
|
||
</paragraph>
|
||
<paragraph id="EC240312C86309C63DD1D2DA652E502E">
|
||
We performed a multi-gene phylogenetic analysis using the mitochondrial genes
|
||
<abbrev id="ABBRID0EVPAG" xlink_title="mitochondrial cytochrome c oxidase subunit I">
|
||
<emphasis id="C2675A18C19885B4187F6DF66050C00C" italics="true">COI</emphasis>
|
||
</abbrev>
|
||
and
|
||
<abbrev id="ABBRID0E1PAG" xlink_title="16S ribosomal RNA">
|
||
<emphasis id="6B2C643EA37332C478BCB66FD7754214" italics="true">16 S</emphasis>
|
||
</abbrev>
|
||
, including our new species, four
|
||
<taxonomicName id="F77B2A1DB0B84637F07C7EA0FB2F67F8" authorityName="Eaton" authorityYear="1871" class="Insecta" family="Isonychiidae" genus="Isonychia" kingdom="Animalia" order="Ephemeroptera" phylum="Arthropoda" rank="genus" sensu="stricto">
|
||
<emphasis id="09702DDD9A3D23560921D6A1FB8606D3" italics="true">Isonychia</emphasis>
|
||
</taxonomicName>
|
||
<taxonomicNameLabel id="EA4D8EA7395B8A51FDFD10F41052757D" sensu="stricto">s. s.</taxonomicNameLabel>
|
||
species, and one
|
||
<emphasis id="9269E4F61BF1AFB2CA9A37BE90B67B84" italics="true">Prionoides</emphasis>
|
||
species (Table
|
||
<tableCitation id="583CEFEFE4A85395DCC8878AA8D10E75" captionStart="Table 2" captionStartId="T2" captionText="Table 2. Sequences of Isonychia spp. obtained from GenBank.">2</tableCitation>
|
||
).
|
||
<taxonomicName id="291FE6C3599F2FF5EF0DAE7FDC16EBA7" authority="Navas, 1932" authorityName="Navas" authorityYear="1932" class="Insecta" family="Chromarcyidae" genus="Chromarcys" kingdom="Animalia" order="Ephemeroptera" phylum="Arthropoda" rank="species" species="magnifica">
|
||
<emphasis id="018567B043482B770D16F74556DD34AF" italics="true">Chromarcys magnifica</emphasis>
|
||
<bibRefCitation id="6C5E6C825990D35F972A131744972193" author="Navás L" refId="B23" refString="Navas L (1932) Insecta orientalia. X Series. Memorie dell'Accademia Pontifica dei Nuovi Lincei, Rome (2), 16: 921 - 949." year="1932">Navás, 1932</bibRefCitation>
|
||
</taxonomicName>
|
||
and
|
||
<taxonomicName id="62F9D25CC31E1FDDBBB04EED13A9091E" authority="(Eaton, 1871)" baseAuthorityName="Eaton" baseAuthorityYear="1871" class="Insecta" family="Heptageniidae" genus="Paegniodes" kingdom="Animalia" order="Ephemeroptera" phylum="Arthropoda" rank="species" species="cupulatus">
|
||
<emphasis id="F71EC082F2E6541A857CE8CF36870F33" italics="true">Paegniodes cupulatus</emphasis>
|
||
(
|
||
<bibRefCitation id="8B0DFD0C91810416BAF009EEE442F359" author="Eaton AE" journalOrPublisher="The Transactions of the Entomological Society of London" pagination="1-135" refId="B4" refString="Eaton AE (1871) A monograph on the Ephemeridae. The Transactions of the Entomological Society of London 2: 1 - 135." title="A monograph on the Ephemeridae." volume="2" year="1871">Eaton, 1871</bibRefCitation>
|
||
)
|
||
</taxonomicName>
|
||
were used as outgroups. The topology of the
|
||
<abbrev id="ABBRID0EGRAG" xlink_title="Maximum-likelihood">
|
||
<collectionCode id="7942934728C4625E7D27A4DEC83BC806" country="France" name="Musee de Lectoure">ML</collectionCode>
|
||
</abbrev>
|
||
tree shows that
|
||
<taxonomicName id="FB828DE3DA3BC8E98C351512C3AD7269" authority="(Matsumura, 1931)" baseAuthorityName="Matsumura" baseAuthorityYear="1931" class="Insecta" family="Isonychiidae" genus="Isonychia" kingdom="Animalia" order="Ephemeroptera" phylum="Arthropoda" rank="species" species="shima" subGenus="Prionoides">
|
||
<emphasis id="C787FC8D9E0799066FFD8C44169225DB" italics="true">Isonychia</emphasis>
|
||
(
|
||
<emphasis id="122DF651BD2279C9CB15BC3FFD00CB3A" italics="true">Prionoides</emphasis>
|
||
)
|
||
<emphasis id="CF8A5846EC01DFD350B403730E85AFBE" italics="true">shima</emphasis>
|
||
(
|
||
<bibRefCitation id="5102617B82FB850A10EBC8B3246ACF86" author="Matsumura S" refId="B18" refString="Matsumura S (1931) 6000 Illustrated Insects of Japan Empire. Tokyo, 1497 pp. [In Japanese]" year="1931">Matsumura, 1931</bibRefCitation>
|
||
)
|
||
</taxonomicName>
|
||
is the first species to branch out, forming a sister group with the remaining species. Within the remaining species, our new species is the first to split off, forming a sister group with the other four
|
||
<taxonomicName id="CB9320E02FAD5054B8A2CDC6D2A8808B" authorityName="Eaton" authorityYear="1871" class="Insecta" family="Isonychiidae" genus="Isonychia" kingdom="Animalia" order="Ephemeroptera" phylum="Arthropoda" rank="genus" sensu="stricto">
|
||
<emphasis id="064D0363872B35C232BB2345C321D118" italics="true">Isonychia</emphasis>
|
||
</taxonomicName>
|
||
<taxonomicNameLabel id="4025D40FE9A709B4BC54A08B04BE3625" sensu="stricto">s. s.</taxonomicNameLabel>
|
||
species, which form a monophyletic group (Fig.
|
||
<figureCitation id="EAA16E6F5F7DCDB585FED3491472DB7E" captionStart="Figure 10" captionStartId="F10" captionText="Figure 10. ML tree for Isonychia spp based on concatenated sequences of two genes (COI and 16 S) showing Prionoides (green) and Isonychia s. s. (red). ML bootstrap values above 70 are indicated next to the nodes." figureDoi="10.3897/zookeys.1218.137110.figure10" httpUri="https://binary.pensoft.net/fig/1177996">10</figureCitation>
|
||
).
|
||
</paragraph>
|
||
<caption id="C7B4BB731BEB57D671E131BD203EBAEB" ID-DOI="10.3897/zookeys.1218.137110.figure10" ID-arpha="5CD667D4-8A86-56D6-A4B1-5E94D4BD4D8A" httpUri="https://binary.pensoft.net/fig/1177996" startId="F10">
|
||
<paragraph id="9520E8CDD584108F06EE6C4E2AB4E7F4">
|
||
<label id="80998B2997F2017F34A6868E38B783D2">Figure 10.</label>
|
||
</paragraph>
|
||
<paragraph id="48F6303F7054324E92B1225F40FBD1A4">
|
||
<abbrev id="ABBRID0ELSAG" xlink_title="Maximum-likelihood">ML</abbrev>
|
||
tree for
|
||
<taxonomicName id="FC159F143846A41679C1D65869258088" class="Insecta" family="Isonychiidae" genus="Isonychia" kingdom="Animalia" order="Ephemeroptera" phylum="Arthropoda" rank="species" species="undetermined">
|
||
<emphasis id="48DC2933E5FD95145C322C9B6B3246F7" italics="true">Isonychia</emphasis>
|
||
spp
|
||
</taxonomicName>
|
||
based on concatenated sequences of two genes (
|
||
<abbrev id="ABBRID0EXSAG" xlink_title="mitochondrial cytochrome c oxidase subunit I">
|
||
<emphasis id="6E5357E5FCB8915F6BC5F26E7767B99E" italics="true">COI</emphasis>
|
||
</abbrev>
|
||
and
|
||
<abbrev id="ABBRID0E3SAG" xlink_title="16S ribosomal RNA">
|
||
<emphasis id="AEA275E946D8023A2682C9C8AD13EB55" italics="true">16 S</emphasis>
|
||
</abbrev>
|
||
) showing
|
||
<emphasis id="EC70C77871B5481E1B2DF3DD74543CFA" italics="true">Prionoides</emphasis>
|
||
(green) and
|
||
<taxonomicName id="FFC35C2EEDB20B5253851B77CD878FE9" authorityName="Eaton" authorityYear="1871" class="Insecta" family="Isonychiidae" genus="Isonychia" kingdom="Animalia" order="Ephemeroptera" phylum="Arthropoda" rank="genus" sensu="stricto">
|
||
<emphasis id="509E08C88B4ED5819840EF874D717784" italics="true">Isonychia</emphasis>
|
||
</taxonomicName>
|
||
<taxonomicNameLabel id="37C061B1F07D8E5177DFEEFD4B0E1292" sensu="stricto">s. s.</taxonomicNameLabel>
|
||
(red).
|
||
<abbrev id="ABBRID0EOTAG" xlink_title="Maximum-likelihood">ML</abbrev>
|
||
bootstrap values above 70 are indicated next to the nodes.
|
||
</paragraph>
|
||
</caption>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |