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<document ID-DOI="http://dx.doi.org/10.3897/zookeys.1174.101046" ID-Pensoft-Pub="1313-2970-1174-191" ID-Pensoft-UUID="ABF93781D2D05C38854BE06D5CA0ACCE" ID-ZooBank="BF1C3F235D094C40BAE1C190D058966E" ModsDocID="1313-2970-1174-191" checkinTime="1691685510706" checkinUser="pensoft" docAuthor="Jiang, Ri-Xin &amp; Chen, Xiang-Sheng" docDate="2023" docId="9D122626BC165C9ABB17AB875196363E" docLanguage="en" docName="ZooKeys 1174: 191-206" docOrigin="ZooKeys 1174" docPubDate="2023-08-10" docSource="http://dx.doi.org/10.3897/zookeys.1174.101046" docTitle="Zaitzevia fengtongzhaiensis Jiang &amp; Chen 2023, sp. nov." docType="treatment" docUuid="A32F5E97-91DB-41D0-9A7E-F243CC0B86AD" docUuidSource="ZooBank" docVersion="1" id="ABF93781D2D05C38854BE06D5CA0ACCE" lastPageNumber="191" masterDocId="ABF93781D2D05C38854BE06D5CA0ACCE" masterDocTitle="Three new species of the genus Zaitzevia Champion, 1923 (Coleoptera, Elmidae) from China" masterLastPageNumber="206" masterPageNumber="191" pageNumber="191" updateTime="1691685510706" updateUser="pensoft">
<mods:mods id="BD7CFF5E01A3BA1C20E1428F2A3E12FC" xmlns:mods="http://www.loc.gov/mods/v3">
<mods:titleInfo id="59B6A340303325DDD63D4F3486704DE9">
<mods:title id="C8C90765B50F7659681C7D7E556C097E">Three new species of the genus Zaitzevia Champion, 1923 (Coleoptera, Elmidae) from China</mods:title>
</mods:titleInfo>
<mods:name id="E3C3026E7EAAB6E6EF994A0C70B8E50B" type="personal">
<mods:role id="7E806ABA785A1D5170AB84D1075D16B0">
<mods:roleTerm id="031940C0D73FCB252D21B499DE46F7BD">Author</mods:roleTerm>
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<mods:namePart id="9B93261995EAA55700186DC4F12AA2E8">Jiang, Ri-Xin</mods:namePart>
<mods:affiliation id="2C94A665C11FD7DA364A028AB0E1D002">Institute of Entomology, Guizhou University, Guiyang 550025, Guizhou, China &amp; The Provincial Special Key Laboratory for Development and Utilization of Insect Resources of Guizhou, Guizhou University, Guiyang, 550025, Guizhou, China</mods:affiliation>
</mods:name>
<mods:name id="41128B7D772F08C7C8CEAB6D0F582B0B" type="personal">
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</mods:role>
<mods:namePart id="2C597F537A2AC1601EBCED817E619A05">Chen, Xiang-Sheng</mods:namePart>
<mods:affiliation id="E71D71EFD4CFF205DA5C342B1803603E">Institute of Entomology, Guizhou University, Guiyang 550025, Guizhou, China &amp; The Provincial Special Key Laboratory for Development and Utilization of Insect Resources of Guizhou, Guizhou University, Guiyang, 550025, Guizhou, China</mods:affiliation>
<mods:nameIdentifier id="0498ECCC8DDE2911D4D08699435C5FB5" type="email">chenxs3218@163.com</mods:nameIdentifier>
</mods:name>
<mods:typeOfResource id="3A5E3571A6A5594498BD752144EBFA97">text</mods:typeOfResource>
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<mods:title id="BA9797A8428E515FF84B8882C396FFEA">ZooKeys</mods:title>
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<mods:part id="CC340B1161E9A6B56B77C80FC4CEF77E">
<mods:date id="A815ED66868230799E7BA9B73D8EA6F8">2023</mods:date>
<mods:detail id="6F813E74EEC9939AD0A6D1AB2ACE36D7" type="pubDate">
<mods:number id="340A7833C75BD512FF6B27369130259A">2023-08-10</mods:number>
</mods:detail>
<mods:detail id="0A99BCFAAC903EA54B7484BA848F0BA5" type="volume">
<mods:number id="E50F2CBBFBB419AD8A3C485E15A548B8">1174</mods:number>
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<mods:url id="700A431B044A1BE2DD89B0088D7D047D">http://dx.doi.org/10.3897/zookeys.1174.101046</mods:url>
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<mods:classification id="5388938B5A39FB81D214E0451BB04046">journal article</mods:classification>
<mods:identifier id="37148ACB8E77913DAA4F5FCE194AA3B0" type="DOI">http://dx.doi.org/10.3897/zookeys.1174.101046</mods:identifier>
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<treatment id="9D122626BC165C9ABB17AB875196363E" LSID="urn:lsid:zoobank.org:act:A32F5E97-91DB-41D0-9A7E-F243CC0B86AD" httpUri="http://treatment.plazi.org/id/9D122626BC165C9ABB17AB875196363E" lastPageNumber="191" pageId="0" pageNumber="191">
<subSubSection id="B798C6ACD1B3D8C7311D5D9E7EC07380" pageId="0" pageNumber="191" type="nomenclature">
<paragraph id="F7E78B4E25D903AE922FC50BD8556BB7" pageId="0" pageNumber="191">
<taxonomicName id="AEA0D741895E300A6DFA2AC32E65D18F" LSID="https://zoobank.org/A32F5E97-91DB-41D0-9A7E-F243CC0B86AD" authority="Jiang &amp; Chen" authorityName="Jiang &amp; Chen" authorityYear="2023" class="Insecta" family="Elmidae" genus="Zaitzevia" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Zaitzevia fengtongzhaiensis" order="Coleoptera" pageId="0" pageNumber="191" phylum="Arthropoda" rank="species" species="fengtongzhaiensis" status="sp. nov.">Zaitzevia fengtongzhaiensis Jiang &amp; Chen</taxonomicName>
<taxonomicNameLabel id="B3C4F03EBAFA7783143F21C456619EF5" pageId="0" pageNumber="191">sp. nov.</taxonomicNameLabel>
</paragraph>
</subSubSection>
<subSubSection id="5B9CC05A8E9FD0D2579FE4BC7664B56F" pageId="0" pageNumber="191" type="description">
<paragraph id="0A32DF0D8A786863729A81647B04D5D7" pageId="0" pageNumber="191">
<figureCitation id="1F8B36529665E3D034B815853F54E6C3" captionStart="Figure 1" captionStartId="F1" captionText="Figure 1. Dorsal habitus of Zaitzevia species, males A Zaitzevia sichuanensis sp. nov. B Zaitzevia fengtongzhaiensis sp. nov. C Zaitzevia yingzuijieensis sp. nov. Scale bar: 1 mm." figureDoi="10.3897/zookeys.1174.101046.figure1" httpUri="https://binary.pensoft.net/fig/890759" pageId="0" pageNumber="191">Figs 1B</figureCitation>
<figureCitation id="FE2EBEEFCD3A9BDCE53E4A8E255319D7" captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Diagnostic features of Zaitzevia fengtongzhaiensis sp. nov. A head, dorsal view B pronotum, dorsal view C elytra D prosternal process E metaventrite. Scale bars: 1 mm (C); 0.25 mm (A, B, D, E). Note: red arrow of C granulate carinae of elytra; red arrow of E impressions and median sulcus of metaventrite." figureDoi="10.3897/zookeys.1174.101046.figure4" httpUri="https://binary.pensoft.net/fig/890762" pageId="0" pageNumber="191">, 4</figureCitation>
<figureCitation id="D6F1C8862B71D04BF72FE5C1CD81E941" captionStart="Figure 5" captionStartId="F5" captionText="Figure 5. Diagnostic features of Zaitzevia fengtongzhaiensis sp. nov. A aedeagus, dorsal view B ditto, lateral view C ditto, ventral view D ditto, meidan lobe, dorsal view E sternite IX F ovipositor G, H apical part of ovipositor. Scale bars: 0.5 mm (A-C, E, F); 0.2 mm (D, G); 0.1 mm (H)." figureDoi="10.3897/zookeys.1174.101046.figure5" httpUri="https://binary.pensoft.net/fig/890763" pageId="0" pageNumber="191">, 5</figureCitation>
<figureCitation id="C836DECA75EB6099A088C28E0FCCEB55" captionStart="Figure 9" captionStartId="F9" captionText="Figure 9. Habitat of Zaitzevia species A general environment of the type locality of Z. sichuanensis sp. nov.: Lengmugou Geopark B ditto, microenvironment C general environment of paratype: Xilingxueshan D ditto, microenvironment E general environment of the type locality of Zaitzevia fengtongzhaiensis sp. nov.: Fengtongzhai Nature Reserve F ditto, microenvironment G living adult of Z. fengtongzhaiensis sp. nov." figureDoi="10.3897/zookeys.1174.101046.figure9" httpUri="https://binary.pensoft.net/fig/890767" pageId="0" pageNumber="191">
, 9E-G
<normalizedToken id="923DDF2704650568289683C263F7C79F" originalValue="蜂桶寨寥溪泥甲">蜂桶寨寥溪泥甲</normalizedToken>
</figureCitation>
</paragraph>
</subSubSection>
<subSubSection id="CBFC51415545F43A3F9F125A5FF6520A" pageId="0" pageNumber="191" type="type material">
<paragraph id="0C9286FF994C3FE0414BE1145AA4C094" pageId="0" pageNumber="191">Type material</paragraph>
<paragraph id="443A2272280D4C67D35F7FDB427D3312" pageId="0" pageNumber="191">
<emphasis id="3BCFE050DB33DDC05F381FE8F0A85AC6" bold="true" pageId="0" pageNumber="191">(1</emphasis>
♂,
<emphasis id="25C7ACF679A1C282C53C3C2D1B24DF8F" bold="true" pageId="0" pageNumber="191">1</emphasis>
♀)
<emphasis id="2435C3D60E6B86FDB7AD0C5EDAE08DC2" bold="true" pageId="0" pageNumber="191">
.
<emphasis id="C19BCCB5199AC0F7602620530A789586" italics="true" pageId="0" pageNumber="191">Holotype</emphasis>
</emphasis>
: China: ♂, labeled 'China: Sichuan,
<normalizedToken id="2332E15BC5283EDD41436CF9A6C37561" originalValue="Ya’an">Ya'an</normalizedToken>
City (雅安市), Baoxing County (宝兴县), Fengtongzhai Township (蜂桶寨乡), Fengtongzhai N. R. (蜂桶寨国家级自然保护区), Dashuigou (大水沟), an unnamed stream,
<geoCoordinate id="C1109691B5AB213A1AD8881C35566ADA" degrees="30" direction="north" minutes="35" orientation="latitude" precision="15" seconds="18" value="30.588333">30°35'18′′N</geoCoordinate>
, 102°52′24′′ E; H: 1505m, 23.07.2022, R.-X. Jiang &amp; F.-E. L. leg.' (GUGC).
<emphasis id="1835A28A7DDF94165D7B982A9373E6FE" bold="true" italics="true" pageId="0" pageNumber="191">Paratype</emphasis>
: 1 ♀, with the same label data as the holotype (GUGC).
</paragraph>
</subSubSection>
<subSubSection id="D593F4F0E8A2B9AF73D7192DA02813D7" pageId="0" pageNumber="191" type="description">
<paragraph id="550B9A0211AE4D25CA65289729A4D3C5" pageId="0" pageNumber="191">Description.</paragraph>
<paragraph id="817F506B4CD480068B86113A3813C543" pageId="0" pageNumber="191">
<emphasis id="C70D4A9375BD1F47367B36309C088CE8" bold="true" pageId="0" pageNumber="191">
Male.
<emphasis id="A13960C2760D953625805660BD2BDBE6" italics="true" pageId="0" pageNumber="191">Body elongately elliptical</emphasis>
</emphasis>
(Fig.
<figureCitation id="7CB9783585336D55DA8058D94A83515E" captionStart="Figure 1" captionStartId="F1" captionText="Figure 1. Dorsal habitus of Zaitzevia species, males A Zaitzevia sichuanensis sp. nov. B Zaitzevia fengtongzhaiensis sp. nov. C Zaitzevia yingzuijieensis sp. nov. Scale bar: 1 mm." figureDoi="10.3897/zookeys.1174.101046.figure1" httpUri="https://binary.pensoft.net/fig/890759" pageId="0" pageNumber="191">1B</figureCitation>
), black with tarsi, tarsal claws and antennae reddish brown, femora and tibiae dark brown. Dorsal surface punctuated and weakly shiny, covered with sparse setae. Plastron setae are confined to following areas: head (both dorsal and ventral surface, except middle part of frons and clypeus), prosternum, outer part of elytra (include epipleura), outer parts of mesoventrite, metaventrite and abdomen (except median part) and surface of femora.
</paragraph>
<paragraph id="C7643BF038E967ECC1FC60B0C49D4193" pageId="0" pageNumber="191">
<emphasis id="FBCB0DFFBE9163433970A6285252E506" bold="true" italics="true" pageId="0" pageNumber="191">Head</emphasis>
(Fig.
<figureCitation id="EB2CA92E402DDD09EA8E4C5FC267971A" captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Diagnostic features of Zaitzevia fengtongzhaiensis sp. nov. A head, dorsal view B pronotum, dorsal view C elytra D prosternal process E metaventrite. Scale bars: 1 mm (C); 0.25 mm (A, B, D, E). Note: red arrow of C granulate carinae of elytra; red arrow of E impressions and median sulcus of metaventrite." figureDoi="10.3897/zookeys.1174.101046.figure4" httpUri="https://binary.pensoft.net/fig/890762" pageId="0" pageNumber="191">4A</figureCitation>
), wider than long, dorsal surface (except middle part of frons) covered with plastron setae and large, sparse punctures, each puncture bearing a long seta, the interspaces between the punctures about twice the diameters of punctures. Clypeus evenly punctate with large punctures and covered with long, sparse setae, without plastron setae. Labrum transverse, shorter and slightly narrower than clypeus, covered with big punctures and long bristles at apical half, anterior margin almost straight and anterolateral angles rounded. Antenna short, with eight antennomeres, antennomere I slightly longer than wide, with several short setae; antennomere II slightly longer than antennomere I, strongly expanded, covered with several long setae, apical margin circled with short setae; antennomere III longer than wide; antennomeres IV-VII strongly transverse; antennomere VIII elliptical, elongate and strongly expanded, apex covered with dense long setae.
</paragraph>
<caption id="1D908DE4BF8B4F3AB3C408AA6956FF67" doi="10.3897/zookeys.1174.101046.figure4" httpUri="https://binary.pensoft.net/fig/890762" pageId="0" pageNumber="191" start="Figure 4" startId="F4">
<paragraph id="C0C723EAD04E09C70C2B37FEEDDA9B65" pageId="0" pageNumber="191">
<emphasis id="18977F1CC8A5A76F0FDEA7A0C0BCB7FA" bold="true" pageId="0" pageNumber="191">Figure 4.</emphasis>
Diagnostic features of
<taxonomicName id="744684380E1DAAE1DC492B693B91C17A" authorityName="Jiang &amp; Chen" authorityYear="2023" class="Insecta" family="Elmidae" genus="Zaitzevia" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Zaitzevia fengtongzhaiensis" order="Coleoptera" pageId="0" pageNumber="191" phylum="Arthropoda" rank="species" species="fengtongzhaiensis">
<emphasis id="D7FE8D3352B74C854921DEDA2064C2B1" italics="true" pageId="0" pageNumber="191">Zaitzevia fengtongzhaiensis</emphasis>
</taxonomicName>
sp. nov.
<emphasis id="A643E56FCCC57CEBF7A7EA78706CC24F" bold="true" pageId="0" pageNumber="191">A</emphasis>
head, dorsal view
<emphasis id="2BD44A556886DBB17EB2DDB88F4B31DE" bold="true" pageId="0" pageNumber="191">B</emphasis>
pronotum, dorsal view
<emphasis id="43A19CFAF57E85DD260187A95215E84B" bold="true" pageId="0" pageNumber="191">C</emphasis>
elytra
<emphasis id="4F767C688CB2859842A81144DFB4D7D0" bold="true" pageId="0" pageNumber="191">D</emphasis>
prosternal process
<emphasis id="FBDEA13FD603AAD79D655859A7D48752" bold="true" pageId="0" pageNumber="191">E</emphasis>
metaventrite. Scale bars: 1 mm (
<emphasis id="5D563AF03BF9D4BBB21DECE4D82402E9" bold="true" pageId="0" pageNumber="191">C</emphasis>
); 0.25 mm (
<emphasis id="8CCC507A850EA0AF507430C082DDA67C" bold="true" pageId="0" pageNumber="191">A, B, D, E</emphasis>
). Note: red arrow of
<emphasis id="BE48CF7639D9C3622BF1DFB6AA9EE695" bold="true" pageId="0" pageNumber="191">C</emphasis>
granulate carinae of elytra; red arrow of
<emphasis id="8DDEBC8502C8F2077F7151FF1EE0C20E" bold="true" pageId="0" pageNumber="191">E</emphasis>
impressions and median sulcus of metaventrite.
</paragraph>
</caption>
<paragraph id="E83A88771351EC73E4D91FD0738E9541" pageId="0" pageNumber="191">
<emphasis id="856DE5B5CBC7EB07E74A687C658F9DCF" bold="true" italics="true" pageId="0" pageNumber="191">Pronotum</emphasis>
(Fig.
<figureCitation id="21D8AEFE65FD29FAFDAC13BF974FA690" captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Diagnostic features of Zaitzevia fengtongzhaiensis sp. nov. A head, dorsal view B pronotum, dorsal view C elytra D prosternal process E metaventrite. Scale bars: 1 mm (C); 0.25 mm (A, B, D, E). Note: red arrow of C granulate carinae of elytra; red arrow of E impressions and median sulcus of metaventrite." figureDoi="10.3897/zookeys.1174.101046.figure4" httpUri="https://binary.pensoft.net/fig/890762" pageId="0" pageNumber="191">4B</figureCitation>
) wider than long, widest near basal 1/3. Anterior margin arcuate with angles moderately produced and acute. Lateral margins finely curved. Basal margin trisinuate, emarginate before scutellum, posterior angles near orthogonal. Surface shiny, finely covered with large punctures, each puncture bearing a long seta, punctures at basal 1/3 smaller and much denser than other parts; surface near apical angles microreticulate. Longitudinal impression distinct, about 2/3 length of pronotum, widest at middle; sublateral carinae from base to middle of pronotum, apical 1/2 slightly curved. Prosternal process (Fig.
<figureCitation id="28141AAF4CFEA621970754F7BB226EDD" captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Diagnostic features of Zaitzevia fengtongzhaiensis sp. nov. A head, dorsal view B pronotum, dorsal view C elytra D prosternal process E metaventrite. Scale bars: 1 mm (C); 0.25 mm (A, B, D, E). Note: red arrow of C granulate carinae of elytra; red arrow of E impressions and median sulcus of metaventrite." figureDoi="10.3897/zookeys.1174.101046.figure4" httpUri="https://binary.pensoft.net/fig/890762" pageId="0" pageNumber="191">4D</figureCitation>
) with rounded apex, disc distinctly wrinkled, sides microreticulated.
</paragraph>
<paragraph id="337064604CA0D5D3A73860D6CE27F3C6" pageId="0" pageNumber="191">
<emphasis id="601C1AEA2401F5F95928B9F2E188D32B" bold="true" italics="true" pageId="0" pageNumber="191">Elytra</emphasis>
(Fig.
<figureCitation id="5C3207429D2CD9C061D3B21D3F63BF06" captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Diagnostic features of Zaitzevia fengtongzhaiensis sp. nov. A head, dorsal view B pronotum, dorsal view C elytra D prosternal process E metaventrite. Scale bars: 1 mm (C); 0.25 mm (A, B, D, E). Note: red arrow of C granulate carinae of elytra; red arrow of E impressions and median sulcus of metaventrite." figureDoi="10.3897/zookeys.1174.101046.figure4" httpUri="https://binary.pensoft.net/fig/890762" pageId="0" pageNumber="191">4C</figureCitation>
) about twice as long as wide, subparallel in basal 1/3, surface weakly wrinkled and covered with rows of long, sparse setae. Each elytron with granulate carinae on strial intervals 5, 7, and 8; other intervals flat. Area from intervals to lateral margin covered with dense short setae. Hind wings well developed.
</paragraph>
<paragraph id="EAAAFEE43E64D395B4924028E44C419D" pageId="0" pageNumber="191">
<emphasis id="26E6D70AF72708F5807B7B739E8258CE" bold="true" italics="true" pageId="0" pageNumber="191">Metaventrite</emphasis>
(Fig.
<figureCitation id="E43FBB54ECF174DF23AE95062F8E0B59" captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Diagnostic features of Zaitzevia fengtongzhaiensis sp. nov. A head, dorsal view B pronotum, dorsal view C elytra D prosternal process E metaventrite. Scale bars: 1 mm (C); 0.25 mm (A, B, D, E). Note: red arrow of C granulate carinae of elytra; red arrow of E impressions and median sulcus of metaventrite." figureDoi="10.3897/zookeys.1174.101046.figure4" httpUri="https://binary.pensoft.net/fig/890762" pageId="0" pageNumber="191">4E</figureCitation>
), disc shiny, covered with large, sparse punctures, each bearing a long seta, without plastron setae, sides covered with plastron setae. Median sulcus long and distinct, extending from posterior margin to ca. 4/5 of metasternum, widest at base and get narrowed anteriorly, base of median sulcus with a pair of small round impressions. Areas along coxal cavities with a series of shallow and anomalous impressions.
</paragraph>
<paragraph id="C2B71C306616938354CCB61EFA561F8C" pageId="0" pageNumber="191">
<emphasis id="2A4248EB72F049F07D81441586C6DE91" bold="true" italics="true" pageId="0" pageNumber="191">Disc of ventrites I-IV</emphasis>
and anteriorly middle of ventrite V shiny, covered with sparse small punctures, without plastron setae; other areas of ventrites covered with plastron setae. Apical area of ventrite V granulated, apical margin distinctly emarginate at middle.
</paragraph>
<paragraph id="D1D456121674548AD189C5236E6185C9" pageId="0" pageNumber="191">
<emphasis id="01D6B2886E5F75AFECECF1A5B156790B" bold="true" italics="true" pageId="0" pageNumber="191">Legs</emphasis>
simple, femora swollen, surface covered with plastron setae; inner half of tibiae with cleaning fringes; tarsi slightly shorter than tibiae; tarsal claws simple.
</paragraph>
<paragraph id="E71F17F0CA62EA3C3268126FC75EEBDD" pageId="0" pageNumber="191">
<emphasis id="4F19B445FE19B8226D0C6644D3E48BA4" bold="true" italics="true" pageId="0" pageNumber="191">Aedeagus</emphasis>
(Fig.
<figureCitation id="955CCD9ABB6018345B2E69BE6DA4AD6D" captionStart="Figure 5" captionStartId="F5" captionText="Figure 5. Diagnostic features of Zaitzevia fengtongzhaiensis sp. nov. A aedeagus, dorsal view B ditto, lateral view C ditto, ventral view D ditto, meidan lobe, dorsal view E sternite IX F ovipositor G, H apical part of ovipositor. Scale bars: 0.5 mm (A-C, E, F); 0.2 mm (D, G); 0.1 mm (H)." figureDoi="10.3897/zookeys.1174.101046.figure5" httpUri="https://binary.pensoft.net/fig/890763" pageId="0" pageNumber="191">5A-D</figureCitation>
), slender and elongate, median lobe nearly symmetrical, apex of median lobe acute, a pair of symmetrical and crescent-shaped sclerotizations located at apical 1/5 of median lobe, a pair of elongate and tortuous sclerotizations located at basal 1/2 of median lobe. Sternite IX (Fig.
<figureCitation id="CF97FF5193410436A7D0A1EB3C146B25" captionStart="Figure 5" captionStartId="F5" captionText="Figure 5. Diagnostic features of Zaitzevia fengtongzhaiensis sp. nov. A aedeagus, dorsal view B ditto, lateral view C ditto, ventral view D ditto, meidan lobe, dorsal view E sternite IX F ovipositor G, H apical part of ovipositor. Scale bars: 0.5 mm (A-C, E, F); 0.2 mm (D, G); 0.1 mm (H)." figureDoi="10.3897/zookeys.1174.101046.figure5" httpUri="https://binary.pensoft.net/fig/890763" pageId="0" pageNumber="191">5E</figureCitation>
) with apical margin weakly emarginate, without seta, paraproct with basal slightly expanded and tortuous.
</paragraph>
<caption id="EB7A4812BF0CDD0810C45C210374655E" doi="10.3897/zookeys.1174.101046.figure5" httpUri="https://binary.pensoft.net/fig/890763" pageId="0" pageNumber="191" start="Figure 5" startId="F5">
<paragraph id="5A5AACE888ABCD479FD62C4E1C36CD90" pageId="0" pageNumber="191">
<emphasis id="23DB17BF1C6647F5A51F99BA816E0A14" bold="true" pageId="0" pageNumber="191">Figure 5.</emphasis>
Diagnostic features of
<taxonomicName id="56A4FEB3EE82D4B77BB14FEC0354A090" authorityName="Jiang &amp; Chen" authorityYear="2023" class="Insecta" family="Elmidae" genus="Zaitzevia" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Zaitzevia fengtongzhaiensis" order="Coleoptera" pageId="0" pageNumber="191" phylum="Arthropoda" rank="species" species="fengtongzhaiensis">
<emphasis id="182C6CF05724543FF7FE35DDB7B71304" italics="true" pageId="0" pageNumber="191">Zaitzevia fengtongzhaiensis</emphasis>
</taxonomicName>
sp. nov.
<emphasis id="83F2FC689885A9DA8DB866E1D96D2AC3" bold="true" pageId="0" pageNumber="191">A</emphasis>
aedeagus, dorsal view
<emphasis id="F15E6EB1EBB46030DFCFC43C0DE7F805" bold="true" pageId="0" pageNumber="191">B</emphasis>
ditto, lateral view
<emphasis id="A5680EA233491F1D8128493C566DDC0B" bold="true" pageId="0" pageNumber="191">C</emphasis>
ditto, ventral view
<emphasis id="1CE7B8B689A079D0F993F0CE2A0F273E" bold="true" pageId="0" pageNumber="191">D</emphasis>
ditto, meidan lobe, dorsal view
<emphasis id="6554A3BD7BC2795C8A5D17F7B222E778" bold="true" pageId="0" pageNumber="191">E</emphasis>
sternite IX
<emphasis id="DCE397D44D3A295203032D877F0888B1" bold="true" pageId="0" pageNumber="191">F</emphasis>
ovipositor
<emphasis id="3303BC9770E84A5EB90D84F526D6C504" bold="true" pageId="0" pageNumber="191">G, H</emphasis>
apical part of ovipositor. Scale bars: 0.5 mm (
<emphasis id="B612538C00502921638ADC6383CE6246" bold="true" pageId="0" pageNumber="191">A-C, E, F</emphasis>
); 0.2 mm (
<emphasis id="FC69BBADFE05798C6FE071F6401601BE" bold="true" pageId="0" pageNumber="191">D, G</emphasis>
); 0.1 mm (
<emphasis id="E01CEB815B19017FA2FB18F2FB1194B8" bold="true" pageId="0" pageNumber="191">H</emphasis>
).
</paragraph>
</caption>
<paragraph id="95FA274B0AC3CF767F009B4B9C46DEF4" pageId="0" pageNumber="191">
<emphasis id="61B81921EA9EB466F30FD8A856C5CE36" bold="true" italics="true" pageId="0" pageNumber="191">Measurements</emphasis>
: CL: 3.51 mm; HL: 0.47 mm, HW: 0.57 mm; PL: 0.87 mm, PW: 0.96 mm; EL: 2.64 mm, EW: 1.32 mm.
</paragraph>
<paragraph id="BB1B63279F925AC4587BF52C5761E0A3" pageId="0" pageNumber="191">
<emphasis id="6EC8B35A869E4C188E77F07CB40D8743" bold="true" pageId="0" pageNumber="191">Female</emphasis>
: externally similar to the male, apex of sternite V rounded. Ovipositor as in Fig.
<figureCitation id="5BCA3BCE0AA4D4238096A9A83BD36C7B" captionStart="Figure 5" captionStartId="F5" captionText="Figure 5. Diagnostic features of Zaitzevia fengtongzhaiensis sp. nov. A aedeagus, dorsal view B ditto, lateral view C ditto, ventral view D ditto, meidan lobe, dorsal view E sternite IX F ovipositor G, H apical part of ovipositor. Scale bars: 0.5 mm (A-C, E, F); 0.2 mm (D, G); 0.1 mm (H)." figureDoi="10.3897/zookeys.1174.101046.figure5" httpUri="https://binary.pensoft.net/fig/890763" pageId="0" pageNumber="191">5F-H</figureCitation>
, stylus distinctly curved at base, apex with three short, finger-like sensilla; apex of coxite strongly roundly broadened at outer margin, without sensilla; valvifer about as long as coxite, fibula distinctly curved at basal 1/2, base weakly expanded. Measurements: CL: 3.46 mm; HL: 0.45 mm, HW: 0.58 mm; PL: 0.84 mm, PW: 0.90 mm; EL: 2.62 mm, EW:1.33 mm.
</paragraph>
</subSubSection>
<subSubSection id="199F36DE04B7B423FF19ECE1579604B5" pageId="0" pageNumber="191" type="distribution">
<paragraph id="60B362D28B44E9B190974C2417295161" pageId="0" pageNumber="191">Distribution.</paragraph>
<paragraph id="57558F4C9F2FB3E36A52BB98AE8554A8" pageId="0" pageNumber="191">China: Central Sichuan Province.</paragraph>
</subSubSection>
<subSubSection id="57A50432F5D685B17B614BE220ED9548" pageId="0" pageNumber="191" type="biology_ecology">
<paragraph id="FB8A721F03ADD10ECF6961AA8E1BB223" pageId="0" pageNumber="191">Biology.</paragraph>
<paragraph id="05134CB6765FE044AAEABDBB1535B349" pageId="0" pageNumber="191">
All adults were collected from a crack in the bottom of a stone in a small ravine stream (Fig.
<figureCitation id="6AD7675D808B457E484EE5766821FC6B" captionStart="Figure 9" captionStartId="F9" captionText="Figure 9. Habitat of Zaitzevia species A general environment of the type locality of Z. sichuanensis sp. nov.: Lengmugou Geopark B ditto, microenvironment C general environment of paratype: Xilingxueshan D ditto, microenvironment E general environment of the type locality of Zaitzevia fengtongzhaiensis sp. nov.: Fengtongzhai Nature Reserve F ditto, microenvironment G living adult of Z. fengtongzhaiensis sp. nov." figureDoi="10.3897/zookeys.1174.101046.figure9" httpUri="https://binary.pensoft.net/fig/890767" pageId="0" pageNumber="191">9E-G</figureCitation>
).
</paragraph>
</subSubSection>
<subSubSection id="69316D3EB4A5C2A70A34FF83F9698317" pageId="0" pageNumber="191" type="etymology">
<paragraph id="FA72559CAF8CEDF34CC104FB25E53124" pageId="0" pageNumber="191">Etymology.</paragraph>
<paragraph id="816145CA7EC441C5BCD53B73DAB82A1C" pageId="0" pageNumber="191">The specific epithet refers to the type locality, Fengtongzhai Nature Reserve, Sichuan Province; the name is treated as an adjective.</paragraph>
</subSubSection>
<subSubSection id="C2A66A58818EB8C0418248A1FF7000A6" pageId="0" pageNumber="191" type="comparative diagnosis">
<paragraph id="82F7314F7F3191381119D4915B48C732" pageId="0" pageNumber="191">Comparative diagnosis.</paragraph>
<paragraph id="4123F783D02B555A80A39B87C3E84D65" pageId="0" pageNumber="191">
<taxonomicName id="681A1F62DA4B25CB47DBD252482EA789" authorityName="Jiang &amp; Chen" authorityYear="2023" class="Insecta" family="Elmidae" genus="Zaitzevia" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Zaitzevia fengtongzhaiensis" order="Coleoptera" pageId="0" pageNumber="191" phylum="Arthropoda" rank="species" species="fengtongzhaiensis">
<emphasis id="8C52AB51C338CFAA79B505232314CA09" italics="true" pageId="0" pageNumber="191">Zaitzevia fengtongzhaiensis</emphasis>
</taxonomicName>
sp. nov. is similar to
<taxonomicName id="3B648CD0D76D2533609204588B49BB9B" authorityName="Jiang &amp; Wang" authorityYear="2020" class="Insecta" family="Elmidae" genus="Zaitzevia" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Zaitzevia chenzhitengi" order="Coleoptera" pageId="0" pageNumber="191" phylum="Arthropoda" rank="species" species="chenzhitengi">
<emphasis id="47C5B9747B8A0F7BC01EE6A90CA3D9AD" italics="true" pageId="0" pageNumber="191">Zaitzevia chenzhitengi</emphasis>
</taxonomicName>
Jiang &amp; Wang, 2020,
<taxonomicName id="4F652FFA0AAAA921A3A7581413EF94FA" authorityName="Jiang &amp; Chen" authorityYear="2023" class="Insecta" family="Elmidae" genus="Zaitzevia" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Zaitzevia sichuanensis" order="Coleoptera" pageId="0" pageNumber="191" phylum="Arthropoda" rank="species" species="sichuanensis">
<emphasis id="A35FE2CF6DBBE9B14C16369D76843D14" italics="true" pageId="0" pageNumber="191">Zaitzevia sichuanensis</emphasis>
</taxonomicName>
sp. nov. and
<taxonomicName id="3A8D4607F8240F6E805E02640994EBA2" authorityName="Bian &amp; Zhang" authorityYear="2022" class="Insecta" family="Elmidae" genus="Zaitzevia" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Zaitzevia muchenae" order="Coleoptera" pageId="0" pageNumber="191" phylum="Arthropoda" rank="species" species="muchenae">
<emphasis id="14225905402B61980E4E16000B6289BE" italics="true" pageId="0" pageNumber="191">Zaitzevia muchenae</emphasis>
</taxonomicName>
Bian &amp; Zhang, 2022, and all four of these species share a similar habitus. The new species can be well distinguished from
<taxonomicName id="DCB3E5C8C0DCECCDC6B5989616FFF2A8" lsidName="Z. chenzhitengi" pageId="0" pageNumber="191" rank="species" species="chenzhitengi">
<emphasis id="2106465228C4E634A85C70F07941439E" italics="true" pageId="0" pageNumber="191">Z. chenzhitengi</emphasis>
</taxonomicName>
by the following characters: 1) different body size (&gt; 3.30mm in the new species, 3.03-3.20 mm in
<taxonomicName id="19EC6A804A1510E8F5E2165D5E533C83" lsidName="Z. chenzhitengi" pageId="0" pageNumber="191" rank="species" species="chenzhitengi">
<emphasis id="4498381B791FBC208DF7405C5647C31E" italics="true" pageId="0" pageNumber="191">Z. chenzhitengi</emphasis>
</taxonomicName>
); 2) elytra weakly wrinkled (cf. distinctly wrinkled in
<taxonomicName id="0A6BAFBE61C343874FC8C4C33A18E84A" lsidName="Z. chenzhitengi" pageId="0" pageNumber="191" rank="species" species="chenzhitengi">
<emphasis id="A3903A8287B500724B2D8CAF32824421" italics="true" pageId="0" pageNumber="191">Z. chenzhitengi</emphasis>
</taxonomicName>
); 3) obviously different form of aedeagus (apex of median lobe arrowhead-like in
<taxonomicName id="1F539E2C5FF03AA9317782154B4797F7" lsidName="Z. chenzhitengi" pageId="0" pageNumber="191" rank="species" species="chenzhitengi">
<emphasis id="186D24F97602C49C6FA0B18D56B99E04" italics="true" pageId="0" pageNumber="191">Z. chenzhitengi</emphasis>
</taxonomicName>
, but simply acute in the new species). Compared with
<taxonomicName id="BC9B8960C52A49B0309FEADC5453AFA8" lsidName="Z. sichuanensis" pageId="0" pageNumber="191" rank="species" species="sichuanensis">
<emphasis id="140B97D153B4C34D9EC16279B03124A0" italics="true" pageId="0" pageNumber="191">Z. sichuanensis</emphasis>
</taxonomicName>
sp. nov., areas between lateral margins and sublateral carinae not convex in the new species, and distinctly convex in
<taxonomicName id="C7DDDEAF55ED497E7E12E3CD61335DE3" lsidName="Z. sichuanensis" pageId="0" pageNumber="191" rank="species" species="sichuanensis">
<emphasis id="D3442ACE1ED32E564507F0916978324D" italics="true" pageId="0" pageNumber="191">Z. sichuanensis</emphasis>
</taxonomicName>
sp. nov., these two species also can be distinguished by the obviously different from of aedeagus (see Fig.
<figureCitation id="69844CB920E9158872295138B031DAE2" captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Diagnostic features of Zaitzevia fengtongzhaiensis sp. nov. A head, dorsal view B pronotum, dorsal view C elytra D prosternal process E metaventrite. Scale bars: 1 mm (C); 0.25 mm (A, B, D, E). Note: red arrow of C granulate carinae of elytra; red arrow of E impressions and median sulcus of metaventrite." figureDoi="10.3897/zookeys.1174.101046.figure4" httpUri="https://binary.pensoft.net/fig/890762" pageId="0" pageNumber="191">4A-F</figureCitation>
).
<taxonomicName id="62BECC74966C70FCA6B81A9D5796DC0D" authorityName="Jiang &amp; Chen" authorityYear="2023" class="Insecta" family="Elmidae" genus="Zaitzevia" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Zaitzevia fengtongzhaiensis" order="Coleoptera" pageId="0" pageNumber="191" phylum="Arthropoda" rank="species" species="fengtongzhaiensis">
<emphasis id="AC3BA500330939960D3704B7BC6AECD7" italics="true" pageId="0" pageNumber="191">Zaitzevia fengtongzhaiensis</emphasis>
</taxonomicName>
sp. nov. can be distinguished from
<taxonomicName id="05E7848A94F4D079B8D385E9A434A1E1" lsidName="Z. muchenae" pageId="0" pageNumber="191" rank="species" species="muchenae">
<emphasis id="53304D9C6F111A410087647C3115DC9C" italics="true" pageId="0" pageNumber="191">Z. muchenae</emphasis>
</taxonomicName>
by the following characters: 1) aedeagus of the new species is similar to
<taxonomicName id="927EAF0BE8C7683756CF0EF6655987FE" lsidName="Z. xiongzichuni" pageId="0" pageNumber="191" rank="species" species="xiongzichuni">
<emphasis id="926E5602A0C27FAEDB0845FD19F34678" italics="true" pageId="0" pageNumber="191">Z. xiongzichuni</emphasis>
</taxonomicName>
Jiang &amp; Wang, 2020, both species with a pair of crescent-shaped sclerotizations near apex of median lobe. However surface of
<taxonomicName id="D0A20A5D371857330784D45209B3581E" lsidName="Z. xiongzichuni" pageId="0" pageNumber="191" rank="species" species="xiongzichuni">
<emphasis id="8EB93AB7F26C5E15F6C6260FBD6D0922" italics="true" pageId="0" pageNumber="191">Z. xiongzichuni</emphasis>
</taxonomicName>
shiny and not wrinkled. Median lobe of
<taxonomicName id="A29CD05BFAC076C7BCEE7355F1EF3E64" lsidName="Z. xiongzichuni" pageId="0" pageNumber="191" rank="species" species="xiongzichuni">
<emphasis id="93BE3B192E628ED8C04AAA6C76A53DFF" italics="true" pageId="0" pageNumber="191">Z. xiongzichuni</emphasis>
</taxonomicName>
much slender, and weakly narrowed at middle, apical margin of sternite IX with a tuft of short setae, while median lobe of
<taxonomicName id="D2F7D36710DEFB0729E8A450DE04CDDC" lsidName="Z. fengtongzhaiensis" pageId="0" pageNumber="191" rank="species" species="fengtongzhaiensis">
<emphasis id="E0EF6E32485B8EA8371CF1A52B7A7767" italics="true" pageId="0" pageNumber="191">Z. fengtongzhaiensis</emphasis>
</taxonomicName>
sp. nov. is shorter and not narrowed at middle, and the apical margin of sternite IX is without setae.
</paragraph>
</subSubSection>
</treatment>
</document>
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