149 lines
18 KiB
XML
149 lines
18 KiB
XML
<document id="43B813F83BAB901F2E52D5B5E69B7D88" ID-CLB-Dataset="6214" ID-DOI="10.11646/zootaxa.4974.3.2" ID-GBIF-Dataset="5b4eaeb3-5722-4021-84ad-125ccd80855f" ID-ISSN="1175-5326" ID-Zenodo-Dep="4777839" ID-ZooBank="1BD6220B-7540-4A12-B3D2-5EDC1A3B7DD8" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.taxonomicNames_approvedBy="felipe" checkinTime="1621588618725" checkinUser="plazi" docAuthor="Perkins, Philip D." docDate="2021" docId="4772526A0040FFC4FF182E5A168230C9" docLanguage="en" docName="zootaxa.4974.3.2.pdf" docOrigin="Zootaxa 4974 (3)" docStyle="DocumentStyle:647186512141C8FC8976D5BCC54AEB7D.9:Zootaxa.2013-.journal_article" docStyleId="647186512141C8FC8976D5BCC54AEB7D" docStyleName="Zootaxa.2013-.journal_article" docStyleVersion="9" docTitle="Hydrochus nayaritensis Perkins 2021, new species" docType="treatment" docVersion="6" lastPageNumber="470" masterDocId="BB4B2A12004AFFCFFF8F2D18151D3030" masterDocTitle="Taxonomy of Central American water beetles in the genus Hydrochus Leach, 1817 (Coleoptera: Hydrochidae)" masterLastPageNumber="503" masterPageNumber="459" pageNumber="469" updateTime="1698940277359" updateUser="ExternalLinkService" zenodo-license-document="CLOSED">
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<mods:title id="476D0C98D183443D6022493898283EC4">Taxonomy of Central American water beetles in the genus Hydrochus Leach, 1817 (Coleoptera: Hydrochidae)</mods:title>
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<mods:namePart id="6AD8631BA19D5366D40F549B90298051">Perkins, Philip D.</mods:namePart>
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<mods:title id="DC5BF4CD22CC54D49D5F76F29AD91C73">Zootaxa</mods:title>
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<mods:part id="61AEE4842D5A26AB784321974917F6E0">
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<mods:date id="86FF224C7A37AC0E28E2A92443A13990">2021</mods:date>
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<mods:number id="E3FD915D958DCA0B0A2A282F04146054">2021-05-21</mods:number>
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<mods:number id="87F7A7B26B77DE082B963FDEFAB15F46">4974</mods:number>
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<treatment id="4772526A0040FFC4FF182E5A168230C9" ID-DOI="http://doi.org/10.5281/zenodo.4777879" ID-GBIF-Taxon="182642576" ID-Zenodo-Dep="4777879" LSID="urn:lsid:plazi:treatment:4772526A0040FFC4FF182E5A168230C9" httpUri="http://treatment.plazi.org/id/4772526A0040FFC4FF182E5A168230C9" lastPageId="11" lastPageNumber="470" pageId="10" pageNumber="469">
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<subSubSection id="87C1B0F70040FFC5FF182E5A1748336C" box="[151,597,834,861]" pageId="10" pageNumber="469" type="nomenclature">
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<paragraph id="CF64E37C0040FFC5FF182E5A1748336C" blockId="10.[151,597,834,897]" box="[151,597,834,861]" pageId="10" pageNumber="469">
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<heading id="942C54100040FFC5FF182E5A1748336C" bold="true" box="[151,597,834,861]" fontSize="11" level="1" pageId="10" pageNumber="469" reason="1">
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<emphasis id="FDAF3F6E0040FFC5FF182E5A1748336C" bold="true" box="[151,597,834,861]" pageId="10" pageNumber="469">
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<taxonomicName id="08DB98FF0040FFC5FF182E5A14AA336D" ID-CoL="8Y4QV" authority="Perkins, 2021" authorityName="Perkins" authorityYear="2021" box="[151,439,834,861]" class="Insecta" family="Hydrochidae" genus="Hydrochus" kingdom="Animalia" order="Coleoptera" pageId="10" pageNumber="469" phylum="Arthropoda" rank="species" species="nayaritensis" status="sp. nov.">
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<emphasis id="FDAF3F6E0040FFC5FF182E5A14AA336D" bold="true" box="[151,439,834,861]" italics="true" pageId="10" pageNumber="469">Hydrochus nayaritensis</emphasis>
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</taxonomicName>
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,
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<taxonomicNameLabel id="E69C82150040FFC5FE492E5B1748336C" box="[454,597,834,861]" pageId="10" pageNumber="469" rank="species">new species</taxonomicNameLabel>
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</emphasis>
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</heading>
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</paragraph>
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</subSubSection>
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<subSubSection id="87C1B0F70040FFC5FF182E7F142A33B1" box="[151,311,871,897]" pageId="10" pageNumber="469" type="description">
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<paragraph id="CF64E37C0040FFC5FF182E7F142A33B1" blockId="10.[151,597,834,897]" box="[151,311,871,897]" pageId="10" pageNumber="469">
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<figureCitation id="57E0FFF90040FFC5FF182E7F15F833B1" box="[151,229,871,897]" captionStart="FIGURE 2" captionStartId="5.[151,250,1989,2013]" captionTargetBox="[181,1393,181,1953]" captionTargetId="figure-15@5.[158,1429,181,1965]" captionTargetPageId="5" captionText="FIGURE 2. Dorsal habitus of Central American Hydrochus species." figureDoi="http://doi.org/10.5281/zenodo.4777847" httpUri="https://zenodo.org/record/4777847/files/figure.png" pageId="10" pageNumber="469">Figs. 2</figureCitation>
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,
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<figureCitation id="57E0FFF90040FFC5FF7E2E7F141233B1" box="[241,271,871,897]" captionStart="FIGURES 9–10" captionStartId="26.[151,264,1944,1968]" captionTargetBox="[163,1430,185,1901]" captionTargetId="figure-22@26.[151,1435,181,1920]" captionTargetPageId="26" captionText="FIGURES 9–10. Habitus and male genitalia. 9. Hydrochus brianbrowni Makhan. 10. Hydrochus nayaritensis n. sp. holotype." figureDoi="http://doi.org/10.5281/zenodo.4777861" httpUri="https://zenodo.org/record/4777861/files/figure.png" pageId="10" pageNumber="469">10</figureCitation>
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,
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<figureCitation id="57E0FFF90040FFC5FE942E7F142A33B1" box="[283,311,871,897]" captionStart="FIGURES 28–30" captionStartId="35.[151,264,1944,1968]" captionTargetBox="[158,1429,181,1920]" captionTargetId="figure-15@35.[158,1429,181,1920]" captionTargetPageId="35" captionText="FIGURES 28–30. Geographical distribution maps." figureDoi="http://doi.org/10.5281/zenodo.4777904" httpUri="https://zenodo.org/record/4777904/files/figure.png" pageId="10" pageNumber="469">28</figureCitation>
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</paragraph>
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||
</subSubSection>
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||
<subSubSection id="87C1B0F70040FFC5FF182EB7141A33DD" pageId="10" pageNumber="469" type="materials_examined">
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<paragraph id="CF64E37C0040FFC5FF182EB7141A33DD" blockId="10.[151,1437,942,2013]" pageId="10" pageNumber="469">
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<emphasis id="FDAF3F6E0040FFC5FF182EB7145733F8" bold="true" box="[151,330,942,969]" pageId="10" pageNumber="469">Type material.</emphasis>
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<materialsCitation id="7FB3E9210040FFC5FEDA2EB7141A33DD" ID-GBIF-Occurrence="3128194422" collectingDate="1953-09-24" collectionCode="NMNH" collectorName="S. Tepic & B. Malkin" country="Mexico" location="Nayarit" pageId="10" pageNumber="469" specimenCount="1" stateProvince="Nayarit" typeStatus="holotype">
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<typeStatus id="10605DDE0040FFC5FEDA2EB714A033F9" box="[341,445,943,969]" pageId="10" pageNumber="469" type="holotype">Holotype</typeStatus>
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(male):
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<emphasis id="FDAF3F6E0040FFC5FDAA2EB6176133F8" bold="true" box="[549,636,942,968]" pageId="10" pageNumber="469">
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||
<collectingCountry id="B7CCA3EC0040FFC5FDAA2EB6176133F8" box="[549,636,942,968]" name="Mexico" pageId="10" pageNumber="469">Mexico</collectingCountry>
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</emphasis>
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:
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<collectingRegion id="0D1F2D9E0040FFC5FD1F2EB717FA33F9" box="[656,743,943,969]" country="Mexico" name="Nayarit" pageId="10" pageNumber="469">Nayarit</collectingRegion>
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, “
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<quantity id="08234E990040FFC5FC8E2EB6164C33F9" box="[769,849,942,969]" metricMagnitude="4" metricUnit="m" metricValue="2.5" pageId="10" pageNumber="469" unit="km" value="25.0">25 km</quantity>
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.
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<collectorName id="622E86AA0040FFC5FCEF2EB716DE33F9" box="[864,963,943,969]" pageId="10" pageNumber="469">S. Tepic</collectorName>
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,
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<collectingRegion id="0D1F2D9E0040FFC5FC5C2EB7113A33F9" box="[979,1063,943,969]" country="Mexico" name="Nayarit" pageId="10" pageNumber="469">Nayarit</collectingRegion>
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MEX.
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<date id="BB65C5BC0040FFC5FB0C2EB6101733F9" box="[1155,1290,942,969]" pageId="10" pageNumber="469" value="1953-09-24">
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<collectingDate id="AB213C540040FFC5FB0C2EB6101733F9" box="[1155,1290,942,969]" pageId="10" pageNumber="469" value="1953-09-24">IX-24-1953</collectingDate>
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||
</date>
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,
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<collectorName id="622E86AA0040FFC5FA952EB7108E33F9" box="[1306,1427,943,969]" pageId="10" pageNumber="469">B. Malkin</collectorName>
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” (
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<collectionCode id="A9CA7BB90040FFC5FF102ECB15E633DD" box="[159,251,979,1005]" country="USA" httpUri="http://grbio.org/cool/142r-0w94" name="Smithsonian Institution, National Museum of Natural History" pageId="10" pageNumber="469" type="Museum">NMNH</collectionCode>
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).
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</materialsCitation>
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||
</paragraph>
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||
</subSubSection>
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||
<subSubSection id="87C1B0F70040FFC5FF482EEE106B34F5" pageId="10" pageNumber="469" type="diagnosis">
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<paragraph id="CF64E37C0040FFC5FF482EEE106B34F5" blockId="10.[151,1437,942,2013]" pageId="10" pageNumber="469">
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<emphasis id="FDAF3F6E0040FFC5FF482EEE14D03420" bold="true" box="[199,461,1014,1040]" pageId="10" pageNumber="469">Differential diagnosis.</emphasis>
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Among Central American species, recognized by the combination of moderate size (ca.
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<quantity id="08234E990040FFC5FF18290315E23405" box="[151,255,1051,1077]" metricMagnitude="-3" metricUnit="m" metricValue="3.68" pageId="10" pageNumber="469" unit="mm" value="3.68">3.68 mm</quantity>
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), the narrow body form, the rather uniformly densely punctate pronotum, and the male genitalia (
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<figureCitation id="57E0FFF90040FFC5FACB2903108A3405" box="[1348,1431,1051,1077]" captionStart="FIGURES 9–10" captionStartId="26.[151,264,1944,1968]" captionTargetBox="[163,1430,185,1901]" captionTargetId="figure-22@26.[151,1435,181,1920]" captionTargetPageId="26" captionText="FIGURES 9–10. Habitus and male genitalia. 9. Hydrochus brianbrowni Makhan. 10. Hydrochus nayaritensis n. sp. holotype." figureDoi="http://doi.org/10.5281/zenodo.4777861" httpUri="https://zenodo.org/record/4777861/files/figure.png" pageId="10" pageNumber="469">Fig. 10</figureCitation>
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; described below). This species has a generalized
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<taxonomicName id="08DB98FF0040FFC5FD332927162B3469" authorityName="Leach" authorityYear="1817" box="[700,822,1087,1113]" class="Insecta" family="Hydrochidae" genus="Hydrochus" kingdom="Animalia" order="Coleoptera" pageId="10" pageNumber="469" phylum="Arthropoda" rank="genus">
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<emphasis id="FDAF3F6E0040FFC5FD332927162B3469" box="[700,822,1087,1113]" italics="true" pageId="10" pageNumber="469">Hydrochus</emphasis>
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</taxonomicName>
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habitus; reliable determinations will require dissection of males. The very narrow aedeagus, in dorsal/ventral views, could only be compared to that of
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<taxonomicName id="08DB98FF0040FFC5FB69297B1088344D" box="[1254,1429,1123,1149]" class="Insecta" family="Hydrochidae" genus="Hydrochus" kingdom="Animalia" order="Coleoptera" pageId="10" pageNumber="469" phylum="Arthropoda" rank="species" species="brianbrowni">
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<emphasis id="FDAF3F6E0040FFC5FB69297B1088344D" box="[1254,1429,1123,1149]" italics="true" pageId="10" pageNumber="469">H. brianbrowni</emphasis>
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</taxonomicName>
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. However, the shapes of the parameres, shape of the aedeagus in lateral view, shape of the adbl, and shape of the basal piece distinctly differ in the two species. The habitus of the two species also distinctly differ (
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<figureCitation id="57E0FFF90040FFC5FB6129B3107534F5" box="[1262,1384,1195,1221]" captionStart="FIGURES 9–10" captionStartId="26.[151,264,1944,1968]" captionTargetBox="[163,1430,185,1901]" captionTargetId="figure-22@26.[151,1435,181,1920]" captionTargetPageId="26" captionText="FIGURES 9–10. Habitus and male genitalia. 9. Hydrochus brianbrowni Makhan. 10. Hydrochus nayaritensis n. sp. holotype." figureDoi="http://doi.org/10.5281/zenodo.4777861" httpUri="https://zenodo.org/record/4777861/files/figure.png" pageId="10" pageNumber="469">Figs. 9, 10</figureCitation>
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).
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</paragraph>
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</subSubSection>
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<subSubSection id="87C1B0F70040FFC4FF4829D615DC30E5" lastPageId="11" lastPageNumber="470" pageId="10" pageNumber="469" type="description">
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<paragraph id="CF64E37C0040FFC5FF4829D614AB35AD" blockId="10.[151,1437,942,2013]" pageId="10" pageNumber="469">
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<emphasis id="FDAF3F6E0040FFC5FF4829D6144C34D8" bold="true" box="[199,337,1230,1256]" pageId="10" pageNumber="469">Description</emphasis>
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. Habitus as illustrated (
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<figureCitation id="57E0FFF90040FFC5FDD629D717B134D9" box="[601,684,1231,1257]" captionStart="FIGURES 9–10" captionStartId="26.[151,264,1944,1968]" captionTargetBox="[163,1430,185,1901]" captionTargetId="figure-22@26.[151,1435,181,1920]" captionTargetPageId="26" captionText="FIGURES 9–10. Habitus and male genitalia. 9. Hydrochus brianbrowni Makhan. 10. Hydrochus nayaritensis n. sp. holotype." figureDoi="http://doi.org/10.5281/zenodo.4777861" httpUri="https://zenodo.org/record/4777861/files/figure.png" pageId="10" pageNumber="469">Fig. 10</figureCitation>
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). Size:
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<typeStatus id="10605DDE0040FFC5FD7129D7167D34D9" box="[766,864,1231,1257]" pageId="10" pageNumber="469" type="holotype">holotype</typeStatus>
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(length/width, mm): body (length to elytral apices) 3.68/1.23; head width 0.83; pronotum l/w 0.75/0.85; PA 0.78; PB 0.73; elytra 2.33/1.23. Size moderately large (ca.
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<quantity id="08234E990040FFC5FF18280F15E23501" box="[151,255,1303,1329]" metricMagnitude="-3" metricUnit="m" metricValue="3.7" pageId="10" pageNumber="469" unit="mm" value="3.7">3.70 mm</quantity>
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), form narrow. Dorsum dark brown, with very little iridescence, elytra without black spots. Punctation on elytra ca. 2–3x that of pronotum. Elytra interstriae ca. 1–1.5× strial puncture diameter. Interstria 9
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<superScript id="38AE4E340040FFC5FB7B2822101C3578" attach="left" box="[1268,1281,1338,1352]" fontSize="6" pageId="10" pageNumber="469">th</superScript>
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more convex than others, overhanging 10
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<superScript id="38AE4E340040FFC5FE5E284614C3355C" attach="left" box="[465,478,1374,1388]" fontSize="6" pageId="10" pageNumber="469">th</superScript>
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||
interstria. Usual area of callus on 5
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<superScript id="38AE4E340040FFC5FCE028461661355C" attach="left" box="[879,892,1374,1388]" fontSize="6" pageId="10" pageNumber="469">th</superScript>
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weakly raised, moderately elongate, ca. 6 punctures in row on each side.
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</paragraph>
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<paragraph id="CF64E37C0040FFC5FF4828BF14C63639" blockId="10.[151,1437,942,2013]" pageId="10" pageNumber="469">Pronotum slightly wider than long, widest slightly behind anterior margin, narrowed at base, sides weakly sinuate, smooth; anterior margin slightly bisinuate; rather uniformly densely punctate, except less dense on reliefs; depressions moderately deep</paragraph>
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<paragraph id="CF64E37C0040FFC5FF482B0B16943661" blockId="10.[151,1437,942,2013]" pageId="10" pageNumber="469">Elytra with spaces between strial punctures ca. 1x their diameter; apices rather sharply conjointly rounded in dorsal view, in lateral view outer margin with moderate angulation.</paragraph>
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<paragraph id="CF64E37C0040FFC5FF482B43112C36A9" blockId="10.[151,1437,942,2013]" pageId="10" pageNumber="469">Ventral characters: Mentum coarsely moderately densely punctate, with median fovea. Submentum with two foveae. Legs testaceous, femora and tibiofemoral joints slightly darker than tibiae.</paragraph>
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<paragraph id="CF64E37C0040FFC5FF482BBB146637A5" blockId="10.[151,1437,942,2013]" pageId="10" pageNumber="469">
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Male genitalia (
|
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<figureCitation id="57E0FFF90040FFC5FEF62BBB14D6368D" box="[377,459,1699,1725]" captionStart="FIGURES 9–10" captionStartId="26.[151,264,1944,1968]" captionTargetBox="[163,1430,185,1901]" captionTargetId="figure-22@26.[151,1435,181,1920]" captionTargetPageId="26" captionText="FIGURES 9–10. Habitus and male genitalia. 9. Hydrochus brianbrowni Makhan. 10. Hydrochus nayaritensis n. sp. holotype." figureDoi="http://doi.org/10.5281/zenodo.4777861" httpUri="https://zenodo.org/record/4777861/files/figure.png" pageId="10" pageNumber="469">Fig. 10</figureCitation>
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) general characters: paramere tips very slender and pointed, wider in lateral view than in dorsal/ventral views, except for sharply pointed tips in lateral view; in dorsal/ventral views with medial margins at apex parallel or nearly so, then arcuate away from midline, without plsa; aedeagus in dorsal/ventral views very slender, slightly wider in distal ½, widest at adbl, apex pointed, lateral margins of aedeagus sclerotized; in lateral view sinuate, much wider in proximal ½, only slightly wider in distal 1/2; basal piece length equal to or only very slightly shorter than parameres, wider in proximal ½ then distal ½, in both dorsal/ventral and lateral views, orifice strongly sclerotized.
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</paragraph>
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<paragraph id="CF64E37C0040FFC5FF482A87144437ED" blockId="10.[151,1437,942,2013]" pageId="10" pageNumber="469">Dorsal surface: pdmm widely separated, sinuate; adbl large; adtl as about distal 1/5; paramere tips without sclerotized ridge.</paragraph>
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<paragraph id="CF64E37C0041FFC4FF482D8F15DC30E5" blockId="11.[151,1436,151,249]" pageId="11" pageNumber="470">Ventral surface: pvmm approximating lateral margin of aedeagus, except overlapping basally; avtl not apparent.</paragraph>
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</subSubSection>
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<subSubSection id="87C1B0F70041FFC4FF482DC7168230C9" box="[199,927,223,249]" pageId="11" pageNumber="470" type="etymology">
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||
<paragraph id="CF64E37C0041FFC4FF482DC7168230C9" blockId="11.[151,1436,151,249]" box="[199,927,223,249]" pageId="11" pageNumber="470">
|
||
<emphasis id="FDAF3F6E0041FFC4FF482DC7145330C9" bold="true" box="[199,334,223,249]" pageId="11" pageNumber="470">Etymology.</emphasis>
|
||
Named in reference to the geographical distribution.
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |