173 lines
21 KiB
XML
173 lines
21 KiB
XML
<document id="A86E61C1264BF3D453802D5F84D7B9CC" ID-CLB-Dataset="24540" ID-DOI="10.11646/zootaxa.4708.1.1" ID-GBIF-Dataset="653d580d-e1c7-499c-8604-4b5a7b1920ef" ID-ISSN="1175-5326" ID-Zenodo-Dep="3587181" ID-ZooBank="09F24F0B-5090-4089-A525-8E5150C91EF7" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.taxonomicNames_approvedBy="felipe" checkinTime="1576825058981" checkinUser="plazi" docAuthor="Perkins, Philip D." docDate="2019" docId="03A587E7A854FFDD0CBA1515FD1396F7" docLanguage="en" docName="zootaxa.4708.1.1.pdf" docOrigin="Zootaxa 4708 (1)" docStyle="DocumentStyle:5EBBA59367AD13919D70D935FA04F6A3.14:Zootaxa.2013-.monograph" docStyleId="5EBBA59367AD13919D70D935FA04F6A3" docStyleName="Zootaxa.2013-.monograph" docStyleVersion="14" docTitle="Hydrochus collaris Perkins 2019, new species" docType="treatment" docVersion="8" lastPageNumber="58" masterDocId="FF9CFF9FA863FFE40C2D1244FFE19255" masterDocTitle="Taxonomy of Venezuelan water beetles in the genus Hydrochus Leach, 1817, and an analysis of male genitalia morphology (Coleoptera: Hydrochidae)" masterLastPageNumber="59" masterPageNumber="1" pageNumber="56" updateTime="1698775642300" updateUser="ExternalLinkService">
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<mods:titleInfo id="0F5968E29ED84A597AC84ECC8420A30C">
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<mods:title id="5B7792B5178B3CA1BC0596C42B4516C6">Taxonomy of Venezuelan water beetles in the genus Hydrochus Leach, 1817, and an analysis of male genitalia morphology (Coleoptera: Hydrochidae)</mods:title>
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<mods:name id="FB13D41BC0B1F59E5100587F132C78D3" type="personal">
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<mods:namePart id="23478AADFEC0BA82C3C3F5BB331C6D91">Perkins, Philip D.</mods:namePart>
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<mods:title id="91579BA93BC76B79ECA0F64863C70480">Zootaxa</mods:title>
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<mods:part id="4649917A288E87C927967308D535C133">
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<mods:date id="A21FE28398A766AEFED7A5606516794E">2019</mods:date>
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<mods:number id="50DBB4F35F72D20D61BE5E3A66593271">2019-12-12</mods:number>
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<mods:number id="FC02910265F4E7E08F718EDA636DC90E">4708</mods:number>
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<mods:identifier id="9E78F9E68FE7741E57331F37DEE5141F" type="DOI">10.11646/zootaxa.4708.1.1</mods:identifier>
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<treatment id="03A587E7A854FFDD0CBA1515FD1396F7" ID-DOI="http://doi.org/10.5281/zenodo.5941819" ID-GBIF-Taxon="160798414" ID-Zenodo-Dep="5941819" LSID="urn:lsid:plazi:treatment:03A587E7A854FFDD0CBA1515FD1396F7" httpUri="http://treatment.plazi.org/id/03A587E7A854FFDD0CBA1515FD1396F7" lastPageId="57" lastPageNumber="58" pageId="55" pageNumber="56">
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<subSubSection id="C316657AA854FFD30CBA1515FDF4953E" box="[151,533,1873,1900]" pageId="55" pageNumber="56" type="nomenclature">
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<paragraph id="8BB336F1A854FFD30CBA1515FDF4953E" blockId="55.[151,533,1873,1935]" box="[151,533,1873,1900]" pageId="55" pageNumber="56">
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<heading id="D0FB819DA854FFD30CBA1515FDF4953E" bold="true" box="[151,533,1873,1900]" fontSize="11" level="1" pageId="55" pageNumber="56" reason="1">
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<emphasis id="B978EAE3A854FFD30CBA1515FDF4953E" bold="true" box="[151,533,1873,1900]" pageId="55" pageNumber="56">
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<taxonomicName id="4C0C4D72A854FFD30CBA1515FE9F9539" ID-CoL="8Y4PM" authority="Perkins, 2019" authorityName="Perkins" authorityYear="2019" box="[151,382,1873,1900]" class="Insecta" family="Hydrochidae" genus="Hydrochus" kingdom="Animalia" order="Coleoptera" pageId="55" pageNumber="56" phylum="Arthropoda" rank="species" species="collaris" status="sp. nov.">
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<emphasis id="B978EAE3A854FFD30CBA1515FE9F9539" bold="true" box="[151,382,1873,1900]" italics="true" pageId="55" pageNumber="56">Hydrochus collaris</emphasis>
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</taxonomicName>
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<taxonomicNameLabel id="A24B5798A854FFD30DA81515FDF4953E" box="[389,533,1873,1899]" pageId="55" pageNumber="56" 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="C316657AA854FFD30CBA1531FEEC95DA" box="[151,269,1909,1935]" pageId="55" pageNumber="56" type="description">
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<paragraph id="8BB336F1A854FFD30CBA1531FEEC95DA" blockId="55.[151,533,1873,1935]" box="[151,269,1909,1935]" pageId="55" pageNumber="56">
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<figureCitation id="13372A74A854FFD30CBA1531FF0295DA" box="[151,227,1909,1935]" captionStart="FIGURE 1" captionStartId="11.[151,250,1894,1919]" captionTargetBox="[156,1422,330,1824]" captionTargetId="figure@11.[151,1435,306,1866]" captionTargetPageId="11" captionText="FIGURE 1. Dorsal habitus of Hydrochus species." figureDoi="http://doi.org/10.5281/zenodo.3587183" httpUri="https://zenodo.org/record/3587183/files/figure.png" pageId="55" pageNumber="56">Figs. 1</figureCitation>
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,
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<figureCitation id="13372A74A854FFD30CDC1531FEEC95DA" box="[241,269,1909,1935]" captionStart="FIGURE 32" captionStartId="56.[151,250,1956,1981]" captionTargetBox="[203,1394,440,1872]" captionTargetId="figure@56.[151,1435,414,1928]" captionTargetPageId="56" captionText="FIGURE 32. Hydrochus collaris n. sp., habitus and male genitalia of holotype." figureDoi="http://doi.org/10.5281/zenodo.3587249" httpUri="https://zenodo.org/record/3587249/files/figure.png" pageId="55" pageNumber="56">32</figureCitation>
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</paragraph>
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</subSubSection>
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<subSubSection id="C316657AA854FFDC0CBA15F9FE2D93DF" lastPageId="56" lastPageNumber="57" pageId="55" pageNumber="56" type="materials_examined">
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<paragraph id="8BB336F1A854FFD30CBA15F9FE4A95AE" blockId="55.[151,1436,1980,2043]" pageId="55" pageNumber="56">
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<emphasis id="B978EAE3A854FFD30CBA15F9FEA99582" bold="true" box="[151,328,1980,2007]" pageId="55" pageNumber="56">Type Material.</emphasis>
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<materialsCitation id="3B643CACA854FFD30D6215F9FE4A95AE" ID-GBIF-Occurrence="2521263686" collectingDate="1989-02-03" collectionCode="NMNH" country="Venezuela" location="Maraco River" pageId="55" pageNumber="56" specimenCount="1" typeStatus="holotype">
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<emphasis id="B978EAE3A854FFD30D6215F9FD439582" bold="true" box="[335,674,1980,2007]" pageId="55" pageNumber="56">
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<typeStatus id="54B78853A854FFD30D6215F9FE5D9582" box="[335,444,1981,2007]" pageId="55" pageNumber="56" type="holotype">Holotype</typeStatus>
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(male):
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<collectingCountry id="F31B7661A854FFD30E0D15F9FD7C9582" box="[544,669,1981,2007]" name="Venezuela" pageId="55" pageNumber="56">Venezuela</collectingCountry>
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:
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</emphasis>
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“T. F. A., blackwater trib. to
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<location id="8ED3602AA854FFD30FC715FAFB669582" LSID="urn:lsid:plazi:treatment:03A587E7A854FFDD0CBA1515FD1396F7:8ED3602AA854FFD30FC715FAFB669582" box="[1002,1159,1981,2008]" country="Venezuela" name="Maraco River" pageId="55" pageNumber="56">Maraco River</location>
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,
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<date id="FFB21031A854FFD308BF15F9FAFB9582" box="[1170,1306,1981,2007]" pageId="55" pageNumber="56" value="1989-02-03">
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<collectingDate id="EFF6E9D9A854FFD308BF15F9FAFB9582" box="[1170,1306,1981,2007]" pageId="55" pageNumber="56" value="1989-02-03">3 Feb. 1989</collectingDate>
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</date>
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, Sta. D., D. A. Polhemus” (
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<collectionCode id="ED1DAE34A854FFD30D6E15A5FE7E95AE" box="[323,415,2017,2043]" country="USA" httpUri="http://grbio.org/cool/142r-0w94" name="Smithsonian Institution, National Museum of Natural History" pageId="55" pageNumber="56" type="Museum">NMNH</collectionCode>
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).
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</materialsCitation>
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</paragraph>
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<paragraph id="8BB336F1A85BFFDC0CEA12DCFE2D93DF" blockId="56.[151,1437,152,394]" pageId="56" pageNumber="57">
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<emphasis id="B978EAE3A85BFFDC0CEA12DCFE3292E6" bold="true" box="[199,467,152,179]" pageId="56" pageNumber="57">Differential Diagnosis.</emphasis>
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Among Venezuelan species, differentiated from all others, except
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<taxonomicName id="4C0C4D72A85BFFDC08EF12DDFAB192E7" box="[1218,1360,153,178]" class="Insecta" family="Hydrochidae" genus="Hydrochus" kingdom="Animalia" order="Coleoptera" pageId="56" pageNumber="57" phylum="Arthropoda" rank="species" species="purpureus">
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<emphasis id="B978EAE3A85BFFDC08EF12DDFAB192E7" box="[1218,1360,153,178]" italics="true" pageId="56" pageNumber="57">H purpureus</emphasis>
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</taxonomicName>
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and
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<taxonomicName id="4C0C4D72A85BFFDC09A512DDFEF19283" authorityName="Perkins" authorityYear="2019" class="Insecta" family="Hydrochidae" genus="Hydrochus" kingdom="Animalia" order="Coleoptera" pageId="56" pageNumber="57" phylum="Arthropoda" rank="species" species="conjunctus">
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<emphasis id="B978EAE3A85BFFDC09A512DDFEF19283" italics="true" pageId="56" pageNumber="57">H conjunctus</emphasis>
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</taxonomicName>
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, by the deep cervical groove behind the eyes. Compared with other members of the
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<taxonomicName id="4C0C4D72A85BFFDC088312F8FAE59283" authorityName="Perkins" authorityYear="2019" box="[1198,1284,188,214]" class="Insecta" family="Hydrochidae" genus="Hydrochus" kingdom="Animalia" order="Coleoptera" pageId="56" pageNumber="57" phylum="Arthropoda" rank="species" species="collaris">
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<emphasis id="B978EAE3A85BFFDC088312F8FAE59283" box="[1198,1284,188,214]" italics="true" pageId="56" pageNumber="57">collaris</emphasis>
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</taxonomicName>
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group,
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<taxonomicName id="4C0C4D72A85BFFDC097A12F9FF2B92AF" authorityName="Perkins" authorityYear="2019" class="Insecta" family="Hydrochidae" genus="Hydrochus" kingdom="Animalia" order="Coleoptera" pageId="56" pageNumber="57" phylum="Arthropoda" rank="species" species="collaris">
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<emphasis id="B978EAE3A85BFFDC097A12F9FF2B92AF" italics="true" pageId="56" pageNumber="57">H collaris</emphasis>
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</taxonomicName>
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has more convex, impunctate reliefs between the pronotal depressions, and has a larger callus of the 5
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<superScript id="7C799BB9A85BFFDC096C129BFAAF92B8" attach="left" box="[1345,1358,223,237]" fontSize="6" pageId="56" pageNumber="57">th</superScript>
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elytral interstria. In
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<taxonomicName id="4C0C4D72A85BFFDC0D041341FE42934B" authorityName="Perkins" authorityYear="2019" box="[297,419,260,286]" class="Insecta" family="Hydrochidae" genus="Hydrochus" kingdom="Animalia" order="Coleoptera" pageId="56" pageNumber="57" phylum="Arthropoda" rank="species" species="collaris">
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<emphasis id="B978EAE3A85BFFDC0D041341FE42934B" box="[297,419,260,286]" italics="true" pageId="56" pageNumber="57">H. collaris</emphasis>
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</taxonomicName>
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the aedeagus is widest at distal 3/4, the basal piece is shorter, narrower, and less tapering than that of the compared species, and the adbl is shaped differently: refer also to the diagnosis of
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<taxonomicName id="4C0C4D72A85BFFDC08E7136DFAB79317" box="[1226,1366,297,322]" class="Insecta" family="Hydrochidae" genus="Hydrochus" kingdom="Animalia" order="Coleoptera" pageId="56" pageNumber="57" phylum="Arthropoda" rank="species" species="purpureus">
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<emphasis id="B978EAE3A85BFFDC08E7136DFAB79317" box="[1226,1366,297,322]" italics="true" pageId="56" pageNumber="57">H purpureus</emphasis>
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</taxonomicName>
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. Male genitalia of
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<taxonomicName id="4C0C4D72A85BFFDC0D311309FE759333" authorityName="Perkins" authorityYear="2019" box="[284,404,332,358]" class="Insecta" family="Hydrochidae" genus="Hydrochus" kingdom="Animalia" order="Coleoptera" pageId="56" pageNumber="57" phylum="Arthropoda" rank="species" species="collaris">
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<emphasis id="B978EAE3A85BFFDC0D311309FE759333" box="[284,404,332,358]" italics="true" pageId="56" pageNumber="57">H. collaris</emphasis>
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</taxonomicName>
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(
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<figureCitation id="13372A74A85BFFDC0D8F1308FE129332" box="[418,499,332,359]" captionStart="FIGURE 32" captionStartId="56.[151,250,1956,1981]" captionTargetBox="[203,1394,440,1872]" captionTargetId="figure@56.[151,1435,414,1928]" captionTargetPageId="56" captionText="FIGURE 32. Hydrochus collaris n. sp., habitus and male genitalia of holotype." figureDoi="http://doi.org/10.5281/zenodo.3587249" httpUri="https://zenodo.org/record/3587249/files/figure.png" pageId="56" pageNumber="57">Fig. 32</figureCitation>
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) are described below. Reliable determination of members of these three species will require dissection of males.
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</paragraph>
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</subSubSection>
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<caption id="DF736679A85BFFDC0CBA15E0FC5D95E8" ID-DOI="http://doi.org/10.5281/zenodo.3587249" ID-Zenodo-Dep="3587249" box="[151,956,1956,1981]" httpUri="https://zenodo.org/record/3587249/files/figure.png" pageId="56" pageNumber="57" startId="56.[151,250,1956,1981]" targetBox="[203,1394,440,1872]" targetPageId="56">
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<paragraph id="8BB336F1A85BFFDC0CBA15E0FC5D95E8" blockId="56.[151,956,1956,1981]" box="[151,956,1956,1981]" pageId="56" pageNumber="57">
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<emphasis id="B978EAE3A85BFFDC0CBA15E0FEF895E8" bold="true" box="[151,281,1956,1981]" pageId="56" pageNumber="57">FIGURE 32</emphasis>
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.
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<taxonomicName id="4C0C4D72A85BFFDC0D0B15E0FE0995E9" authority="Perkins, 2019" authorityName="Perkins" authorityYear="2019" box="[294,488,1956,1980]" class="Insecta" family="Hydrochidae" genus="Hydrochus" kingdom="Animalia" order="Coleoptera" pageId="56" pageNumber="57" phylum="Arthropoda" rank="species" species="collaris" status="sp. nov.">
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<emphasis id="B978EAE3A85BFFDC0D0B15E0FE0995E9" box="[294,488,1956,1980]" italics="true" pageId="56" pageNumber="57">Hydrochus collaris</emphasis>
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</taxonomicName>
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<taxonomicNameLabel id="A24B5798A85BFFDC0DC315E1FDC695E9" box="[494,551,1957,1980]" pageId="56" pageNumber="57" rank="species">n. sp.</taxonomicNameLabel>
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, habitus and male genitalia of holotype.
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</paragraph>
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</caption>
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<subSubSection id="C316657AA85AFFDD0CEA12DCFBC7960F" pageId="57" pageNumber="58" type="description">
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<paragraph id="8BB336F1A85AFFDD0CEA12DCFBE19333" blockId="57.[151,1437,152,1187]" pageId="57" pageNumber="58">
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<emphasis id="B978EAE3A85AFFDD0CEA12DCFEB092E6" bold="true" box="[199,337,152,179]" pageId="57" pageNumber="58">Description</emphasis>
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. Habitus as illustrated (
|
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<figureCitation id="13372A74A85AFFDD0E7412DCFD4C92E6" box="[601,685,152,179]" captionStart="FIGURE 32" captionStartId="56.[151,250,1956,1981]" captionTargetBox="[203,1394,440,1872]" captionTargetId="figure@56.[151,1435,414,1928]" captionTargetPageId="56" captionText="FIGURE 32. Hydrochus collaris n. sp., habitus and male genitalia of holotype." figureDoi="http://doi.org/10.5281/zenodo.3587249" httpUri="https://zenodo.org/record/3587249/files/figure.png" pageId="57" pageNumber="58">Fig. 32</figureCitation>
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). Size:
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<typeStatus id="54B78853A85AFFDD0ED312DCFC8192E7" box="[766,864,152,178]" pageId="57" pageNumber="58" type="holotype">holotype</typeStatus>
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(length/width, mm): body (length to elytral apices) 3.40/1.17; head width 0.81; pronotum l/w 0.79/0.74; PA 0.74; PB 0.62; elytra 2.13/1.17. Body size moderate (ca.
|
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<quantity id="4CF49B14A85AFFDD0CBA12A5FEE392AE" box="[151,258,225,251]" metricMagnitude="-3" metricUnit="m" metricValue="3.4" pageId="57" pageNumber="58" unit="mm" value="3.4">3.40 mm</quantity>
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). Dorsum grey, with moderately strong iridescence, elytra with black spots. Legs with femora reddish brown in basal 2/3 and at tibiofemoral joints, otherwise testaceous; tibiae testaceous. Punctation on elytra ca.
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<date id="FFB21031A85AFFDD097D1341FA8D934A" box="[1360,1388,261,287]" pageId="57" pageNumber="58">2x</date>
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that of pronotum. Elytra interstriae ca. 1–1.5x strial puncture diameter. Interstria 9
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<superScript id="7C799BB9A85AFFDD0FD51363FBE49360" attach="left" box="[1016,1029,295,309]" fontSize="6" pageId="57" pageNumber="58">th</superScript>
|
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more convex than others, overhanging 10
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<superScript id="7C799BB9A85AFFDD0CF3130FFF0A930C" attach="left" box="[222,235,331,345]" fontSize="6" pageId="57" pageNumber="58">th</superScript>
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interstria. Usual area of callus on 5
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<superScript id="7C799BB9A85AFFDD0E54130FFD67930C" attach="left" box="[633,646,331,345]" fontSize="6" pageId="57" pageNumber="58">th</superScript>
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well raised, moderately elongate.
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</paragraph>
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<paragraph id="8BB336F1A85AFFDD0CEA1334FC3693FB" blockId="57.[151,1437,152,1187]" pageId="57" pageNumber="58">Head with deep curving cervical groove from side to side behind eyes, groove punctate, cervical area behind groove impunctate, shining, with low, closely set longitudinal raised lines.</paragraph>
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<paragraph id="8BB336F1A85AFFDD0CEA13FDFDB5906A" blockId="57.[151,1437,152,1187]" pageId="57" pageNumber="58">Pronotum longer than wide (as ca. 79/74), widest at anterior margin, narrowed at base, sides weakly arcuate or very slightly sinuate, smooth; anterior margin markedly arcuate, fitting into cervical groove; depressions moderately deep, much more densely punctate than reliefs between depressions, reliefs between anterior median depression and anterior lateral depressions convex.</paragraph>
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<paragraph id="8BB336F1A85AFFDD0CEA100CFD4890FF" blockId="57.[151,1437,152,1187]" pageId="57" pageNumber="58">
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Elytra with spaces between strial punctures ca. 0.5–
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<date id="FFB21031A85AFFDD0F22100CFCC69036" box="[783,807,584,611]" pageId="57" pageNumber="58">1x</date>
|
||
their diameter; apices rather sharply conjointly rounded in dorsal view, in lateral view outer margin with distinct angulation, impunctate area of apices rather large. Sutural margins raised at summit of posterior declivity.
|
||
</paragraph>
|
||
<paragraph id="8BB336F1A85AFFDD0CEA10F0FDDB916E" blockId="57.[151,1437,152,1187]" pageId="57" pageNumber="58">Ventral characters: Mentum and submentum bright metallic like pronotum. Mentum moderately coarsely and moderately densely punctate, with median fovea; submentum with two large deep foveae, separated by narrow ridge; posterior margin of submentum rather sharply arcuate and raised in middle. Genae on each side with cluster of hairs that overlap antennal groove.</paragraph>
|
||
<paragraph id="8BB336F1A85AFFDD0CEA1100FDAA9646" blockId="57.[151,1437,152,1187]" pageId="57" pageNumber="58">
|
||
Male genitalia (
|
||
<figureCitation id="13372A74A85AFFDD0D541100FE2A910A" box="[377,459,836,863]" captionStart="FIGURE 32" captionStartId="56.[151,250,1956,1981]" captionTargetBox="[203,1394,440,1872]" captionTargetId="figure@56.[151,1435,414,1928]" captionTargetPageId="56" captionText="FIGURE 32. Hydrochus collaris n. sp., habitus and male genitalia of holotype." figureDoi="http://doi.org/10.5281/zenodo.3587249" httpUri="https://zenodo.org/record/3587249/files/figure.png" pageId="57" pageNumber="58">Fig. 32</figureCitation>
|
||
) general characters: genitalia slender; parameres expanded laterally apically in dorsal/ ventral views, tips wider in dorsal/ventral views than lateral view, extending slightly beyond distal end of aedeagus; basal piece shorter than parameres, narrow, lateral margins almost parallel, orifice strongly sclerotized, in lateral view hooking toward dorsad; aedeagus widened distally, in lateral view much wider than parameres, lateral margins moderately widely sclerotized, greatest width at about distal 2/9, rounded apically; aedeagus internally with midlongitudinal sclerotization in basal 1/2.
|
||
</paragraph>
|
||
<paragraph id="8BB336F1A85AFFDD0CEA1658FC539663" blockId="57.[151,1437,152,1187]" box="[199,946,1052,1078]" pageId="57" pageNumber="58">Dorsal surface: adtl lacking; pdmm approximating alm; adbl large.</paragraph>
|
||
<paragraph id="8BB336F1A85AFFDD0CEA1604FBC7960F" blockId="57.[151,1437,152,1187]" box="[199,1062,1088,1115]" pageId="57" pageNumber="58">Ventral surface: pvmm basally overlapping alm, margins narrowly separated.</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="C316657AA85AFFDD0CEA1621FD1396F7" pageId="57" pageNumber="58" type="etymology">
|
||
<paragraph id="8BB336F1A85AFFDD0CEA1621FD1396F7" blockId="57.[151,1437,152,1187]" pageId="57" pageNumber="58">
|
||
<emphasis id="B978EAE3A85AFFDD0CEA1621FEAF962A" bold="true" box="[199,334,1125,1151]" pageId="57" pageNumber="58">Etymology.</emphasis>
|
||
Named in reference to the deep cervical groove and the anterior margin of the pronotum, which tightly fit together, forming a strong collar-like union.
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |