167 lines
20 KiB
XML
167 lines
20 KiB
XML
<document id="5C3BA85D7B48DDA8F44181FCDA656063" 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="4772526A0043FFC5FF182860168232C1" 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 mesoamericanus Perkins 2021, new species" docType="treatment" docVersion="6" lastPageNumber="469" masterDocId="BB4B2A12004AFFCFFF8F2D18151D3030" masterDocTitle="Taxonomy of Central American water beetles in the genus Hydrochus Leach, 1817 (Coleoptera: Hydrochidae)" masterLastPageNumber="503" masterPageNumber="459" pageNumber="468" updateTime="1698940277359" updateUser="ExternalLinkService" zenodo-license-document="CLOSED">
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<mods:title id="A044FE84B85BFA8D02AEA814E811BDF6">Taxonomy of Central American water beetles in the genus Hydrochus Leach, 1817 (Coleoptera: Hydrochidae)</mods:title>
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<mods:name id="14C73D37AF1CC09015A6C96F686CEA5F" type="personal">
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<mods:namePart id="177008C5E61A19ED06CCC303F6F7932F">Perkins, Philip D.</mods:namePart>
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<mods:title id="6F527710E8A1993AB1F2E345F40C9E71">Zootaxa</mods:title>
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<mods:part id="9BB4284C5478943299161917E971BA2C">
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<mods:date id="1915F53056EA1B300CDA18E0D13B9CC3">2021</mods:date>
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<mods:number id="7835B0F5720F50660B1B87E2A2D34CBB">2021-05-21</mods:number>
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<mods:number id="E1066DD5681DFCC33AD75A82BB422879">4974</mods:number>
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<mods:identifier id="EE30EC02F94EE2F51F6CB2ED5711D3D6" type="DOI">10.11646/zootaxa.4974.3.2</mods:identifier>
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<treatment id="4772526A0043FFC5FF182860168232C1" ID-DOI="http://doi.org/10.5281/zenodo.4777873" ID-GBIF-Taxon="182642572" ID-Zenodo-Dep="4777873" LSID="urn:lsid:plazi:treatment:4772526A0043FFC5FF182860168232C1" httpUri="http://treatment.plazi.org/id/4772526A0043FFC5FF182860168232C1" lastPageId="10" lastPageNumber="469" pageId="9" pageNumber="468">
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<subSubSection id="87C1B0F70043FFC6FF182860179335A2" box="[151,654,1400,1427]" pageId="9" pageNumber="468" type="nomenclature">
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<paragraph id="CF64E37C0043FFC6FF182860179335A2" blockId="9.[151,654,1400,1463]" box="[151,654,1400,1427]" pageId="9" pageNumber="468">
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<heading id="942C54100043FFC6FF182860179335A2" bold="true" box="[151,654,1400,1427]" fontSize="11" level="1" pageId="9" pageNumber="468" reason="1">
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<emphasis id="FDAF3F6E0043FFC6FF182860179335A2" bold="true" box="[151,654,1400,1427]" pageId="9" pageNumber="468">
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<taxonomicName id="08DB98FF0043FFC6FF18286014ED35A2" ID-CoL="8Y4QT" authority="Perkins, 2021" authorityName="Perkins" authorityYear="2021" box="[151,496,1400,1427]" class="Insecta" family="Hydrochidae" genus="Hydrochus" kingdom="Animalia" order="Coleoptera" pageId="9" pageNumber="468" phylum="Arthropoda" rank="species" species="mesoamericanus" status="sp. nov.">
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<emphasis id="FDAF3F6E0043FFC6FF18286014ED35A2" bold="true" box="[151,496,1400,1427]" italics="true" pageId="9" pageNumber="468">Hydrochus mesoamericanus</emphasis>
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</taxonomicName>
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,
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<taxonomicNameLabel id="E69C82150043FFC6FE702861179335A2" box="[511,654,1400,1427]" pageId="9" pageNumber="468" 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="87C1B0F70043FFC6FF18288414343586" box="[151,297,1436,1463]" pageId="9" pageNumber="468" type="description">
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<paragraph id="CF64E37C0043FFC6FF18288414343586" blockId="9.[151,654,1400,1463]" box="[151,297,1436,1463]" pageId="9" pageNumber="468">
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<figureCitation id="57E0FFF90043FFC6FF18288415FE3587" box="[151,227,1436,1463]" captionStart="FIGURE 1" captionStartId="4.[151,250,1863,1887]" captionTargetBox="[186,1395,194,1808]" captionTargetId="figure-22@4.[151,1435,179,1837]" captionTargetPageId="4" captionText="FIGURE 1. Dorsal habitus of Central American Hydrochus species." figureDoi="http://doi.org/10.5281/zenodo.4777843" httpUri="https://zenodo.org/record/4777843/files/figure.png" pageId="9" pageNumber="468">Figs. 1</figureCitation>
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,
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<figureCitation id="57E0FFF90043FFC6FF7E2884141C3586" box="[241,257,1436,1462]" captionStart="FIGURES 5–6" captionStartId="24.[151,264,1934,1958]" captionTargetBox="[161,1425,192,1893]" captionTargetId="figure-22@24.[151,1435,181,1910]" captionTargetPageId="24" captionText="FIGURES 5–6. Habitus and male genitalia of holotypes. 5. Hydrochus biexcavatus n. sp. 6. Hydrochus mesoamericanus n. sp." figureDoi="http://doi.org/10.5281/zenodo.4777855" httpUri="https://zenodo.org/record/4777855/files/figure.png" pageId="9" pageNumber="468">6</figureCitation>
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,
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<figureCitation id="57E0FFF90043FFC6FE82288414343586" box="[269,297,1436,1462]" captionStart="FIGURES 34–36" captionStartId="37.[151,264,1943,1967]" captionTargetBox="[166,1421,181,1920]" captionTargetId="figure-15@37.[166,1421,181,1920]" captionTargetPageId="37" captionText="FIGURES 34–36. Geographical distribution maps." figureDoi="http://doi.org/10.5281/zenodo.4777912" httpUri="https://zenodo.org/record/4777912/files/figure.png" pageId="9" pageNumber="468">36</figureCitation>
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</paragraph>
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||
</subSubSection>
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<subSubSection id="87C1B0F70043FFC6FF1828FD17DA3677" pageId="9" pageNumber="468" type="materials_examined">
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<paragraph id="CF64E37C0043FFC6FF1828FD17DA3677" blockId="9.[151,1437,1508,2038]" pageId="9" pageNumber="468">
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<emphasis id="FDAF3F6E0043FFC6FF1828FD145935CE" bold="true" box="[151,324,1508,1535]" pageId="9" pageNumber="468">Type material.</emphasis>
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<materialsCitation id="7FB3E9210043FFC6FEC628FC170B3613" ID-GBIF-Occurrence="3128194333" collectionCode="FSCA" collectorName="I. J. Cantrall" country="Mexico" location="Sierra Fria" pageId="9" pageNumber="468" specimenCount="1" stateProvince="Aguascalientes" typeStatus="holotype">
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<typeStatus id="10605DDE0043FFC6FEC628FC14AC35CE" box="[329,433,1508,1534]" pageId="9" pageNumber="468" type="holotype">Holotype</typeStatus>
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(male): “
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<emphasis id="FDAF3F6E0043FFC6FD9528FD177F35CF" bold="true" box="[538,610,1509,1535]" pageId="9" pageNumber="468">
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<collectingCountry id="B7CCA3EC0043FFC6FD9528FD174035CF" box="[538,605,1509,1535]" name="Mexico" pageId="9" pageNumber="468">MEX</collectingCountry>
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.
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</emphasis>
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<collectingRegion id="0D1F2D9E0043FFC6FDE728FC160F35CE" box="[616,786,1508,1534]" country="Mexico" name="Aguascalientes" pageId="9" pageNumber="468">Aguascalientes</collectingRegion>
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<location id="CA04B5A70043FFC6FC9828FC169035CE" LSID="urn:lsid:plazi:treatment:4772526A0043FFC5FF182860168232C1:CA04B5A70043FFC6FC9828FC169035CE" box="[791,909,1508,1534]" country="Mexico" name="Sierra Fria" pageId="9" pageNumber="468" stateProvince="Aguascalientes">Sierra Fria</location>
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about
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<locationDeviation id="DED6FA5E0043FFC6FC5928FD100735CF" box="[982,1306,1508,1535]" location="Rincon de Romos" pageId="9" pageNumber="468">
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<quantity id="08234E990043FFC6FC5928FD110035CE" box="[982,1053,1508,1535]" metricMagnitude="4" metricUnit="m" metricValue="6.437376" pageId="9" pageNumber="468" unit="mi" value="40.0">40 mi.</quantity>
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SW Rincon de Romos
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</locationDeviation>
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, iii.9.1953, #54 8200’
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<collectorName id="622E86AA0043FFC6FE962B1114B93612" box="[281,420,1544,1571]" pageId="9" pageNumber="468">I.J. Cantrall</collectorName>
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” (
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<collectionCode id="A9CA7BB90043FFC6FE4E2B1117103613" box="[449,525,1545,1571]" country="USA" httpUri="http://grbio.org/cool/jekt-x82m" name="Florida State Collection of Arthropods, The Museum of Entomology" pageId="9" pageNumber="468" type="Museum">FSCA</collectionCode>
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)
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</materialsCitation>
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.
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<materialsCitation id="7FB3E9210043FFC6FDAA2B1117DE3677" ID-GBIF-Occurrence="3128194481" collectingDate="2003-01-06" collectionCode="SEMC" collectorName="C. R. Bartlett" country="Belize" latitude="17.216667" location="Pook's Hill" longLatPrecision="1279" longitude="-88.85" municipality="Teakettle Bank" pageId="9" pageNumber="468" specimenCount="1" stateProvince="Cayo" typeStatus="paratype">
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<emphasis id="FDAF3F6E0043FFC6FDAA2B1117F23612" bold="true" box="[549,751,1544,1571]" pageId="9" pageNumber="468">
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<typeStatus id="10605DDE0043FFC6FDAA2B11178B3613" box="[549,662,1545,1571]" pageId="9" pageNumber="468" type="paratype">Paratype</typeStatus>
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:
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<collectingCountry id="B7CCA3EC0043FFC6FD282B1017F23612" box="[679,751,1544,1570]" name="Belize" pageId="9" pageNumber="468">Belize</collectingCountry>
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</emphasis>
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||
:
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<collectingRegion id="0D1F2D9E0043FFC6FC8C2B1116BC3612" box="[771,929,1544,1571]" country="Belize" name="Cayo" pageId="9" pageNumber="468">Cayo District</collectingRegion>
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, nr
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||
<collectingMunicipality id="2F0079060043FFC6FC5B2B1011993612" box="[980,1156,1544,1570]" pageId="9" pageNumber="468">Teakettle Bank</collectingMunicipality>
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,
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<location id="CA04B5A70043FFC6FB1B2B1010063612" LSID="urn:lsid:plazi:treatment:4772526A0043FFC5FF182860168232C1:CA04B5A70043FFC6FB1B2B1010063612" box="[1172,1307,1544,1570]" country="Belize" latitude="17.216667" longLatPrecision="1279" longitude="-88.85" municipality="Teakettle Bank" name="Pook's Hill" pageId="9" pageNumber="468" stateProvince="Cayo">Pook’s Hill</location>
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, (
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||
<geoCoordinate id="AAEF85BB0043FFC6FABB2B11108A3613" box="[1332,1431,1545,1571]" degrees="17" direction="north" minutes="13" orientation="latitude" pageId="9" pageNumber="468" precision="925" value="17.216667">17°13’N</geoCoordinate>
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,
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<geoCoordinate id="AAEF85BB0043FFC6FF182B34141C3677" box="[151,257,1580,1607]" degrees="88" direction="west" minutes="51" orientation="longitude" pageId="9" pageNumber="468" precision="925" value="-88.85">88°51’W</geoCoordinate>
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),
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<date id="BB65C5BC0043FFC6FE9A2B3414693676" box="[277,372,1580,1606]" pageId="9" pageNumber="468" value="2003-01-06">
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<collectingDate id="AB213C540043FFC6FE9A2B3414693676" box="[277,372,1580,1606]" pageId="9" pageNumber="468" value="2003-01-06">6.i.2003</collectingDate>
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</date>
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, leg.
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<collectorName id="622E86AA0043FFC6FE202B3517583676" box="[431,581,1580,1607]" pageId="9" pageNumber="468">C. R. Bartlett</collectorName>
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||
(1
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<collectionCode id="A9CA7BB90043FFC6FDE52B3517A63677" box="[618,699,1581,1607]" country="USA" httpUri="http://biocol.org/urn:lsid:biocol.org:col:34264" name="University of Kansas - Biodiversity Institute" pageId="9" pageNumber="468" type="Museum">SEMC</collectionCode>
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||
)
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</materialsCitation>
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||
.
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</paragraph>
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||
</subSubSection>
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<subSubSection id="87C1B0F70043FFC6FF482B48177B372E" pageId="9" pageNumber="468" type="diagnosis">
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<paragraph id="CF64E37C0043FFC6FF482B48177B372E" blockId="9.[151,1437,1508,2038]" pageId="9" pageNumber="468">
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<emphasis id="FDAF3F6E0043FFC6FF482B4814D0365A" bold="true" box="[199,461,1616,1642]" pageId="9" pageNumber="468">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="08234E990043FFC6FF182B6D15E236BF" box="[151,255,1653,1679]" metricMagnitude="-3" metricUnit="m" metricValue="3.44" pageId="9" pageNumber="468" unit="mm" value="3.44">3.44 mm</quantity>
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||
), the rather uniformly densely punctate pronotum, except less dense on reliefs, with deep depressions, the distinctly denticulate pronotum lateral margins, and the male genitalia (
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<figureCitation id="57E0FFF90043FFC6FC4E2B80111B3682" box="[961,1030,1688,1714]" captionStart="FIGURES 5–6" captionStartId="24.[151,264,1934,1958]" captionTargetBox="[161,1425,192,1893]" captionTargetId="figure-22@24.[151,1435,181,1910]" captionTargetPageId="24" captionText="FIGURES 5–6. Habitus and male genitalia of holotypes. 5. Hydrochus biexcavatus n. sp. 6. Hydrochus mesoamericanus n. sp." figureDoi="http://doi.org/10.5281/zenodo.4777855" httpUri="https://zenodo.org/record/4777855/files/figure.png" pageId="9" pageNumber="468">Fig. 6</figureCitation>
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; described below). This species has a generalized
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<taxonomicName id="08DB98FF0043FFC6FEB92BA414AD36E6" authorityName="Leach" authorityYear="1817" box="[310,432,1724,1750]" class="Insecta" family="Hydrochidae" genus="Hydrochus" kingdom="Animalia" order="Coleoptera" pageId="9" pageNumber="468" phylum="Arthropoda" rank="genus">
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<emphasis id="FDAF3F6E0043FFC6FEB92BA414AD36E6" box="[310,432,1724,1750]" italics="true" pageId="9" pageNumber="468">Hydrochus</emphasis>
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||
</taxonomicName>
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habitus; reliable determinations will require dissection of males. The male genitalia are differentiated from other Central American species by the combination of nearly straight paramere tips and the large dorsal membranous area of the aedeagus.
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</paragraph>
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</subSubSection>
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||
<subSubSection id="87C1B0F70043FFC5FF482A30115232FD" lastPageId="10" lastPageNumber="469" pageId="9" pageNumber="468" type="description">
|
||
<paragraph id="CF64E37C0043FFC6FF482A30141B37C6" blockId="9.[151,1437,1508,2038]" pageId="9" pageNumber="468">
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||
<emphasis id="FDAF3F6E0043FFC6FF482A30144C3772" bold="true" box="[199,337,1832,1858]" pageId="9" pageNumber="468">Description</emphasis>
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. Habitus as illustrated (
|
||
<figureCitation id="57E0FFF90043FFC6FDD22A3017BF3773" box="[605,674,1832,1859]" captionStart="FIGURES 5–6" captionStartId="24.[151,264,1934,1958]" captionTargetBox="[161,1425,192,1893]" captionTargetId="figure-22@24.[151,1435,181,1910]" captionTargetPageId="24" captionText="FIGURES 5–6. Habitus and male genitalia of holotypes. 5. Hydrochus biexcavatus n. sp. 6. Hydrochus mesoamericanus n. sp." figureDoi="http://doi.org/10.5281/zenodo.4777855" httpUri="https://zenodo.org/record/4777855/files/figure.png" pageId="9" pageNumber="468">Fig. 6</figureCitation>
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||
). Size:
|
||
<typeStatus id="10605DDE0043FFC6FD782A3016443772" box="[759,857,1832,1858]" pageId="9" pageNumber="468" type="holotype">holotype</typeStatus>
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(length/width, mm): body (length to elytral apices) 3.44/1.53; head width 0.78; pronotum l/w 0.73/0.82; PA 0.78; PB 0.69; elytra 2.38/1.53. Body size moderately large (ca.
|
||
<quantity id="08234E990043FFC6FF482A69143237BB" box="[199,303,1905,1931]" metricMagnitude="-3" metricUnit="m" metricValue="3.44" pageId="9" pageNumber="468" unit="mm" value="3.44">3.44 mm</quantity>
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). 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="38AE4E340043FFC6FBE12A8C11663792" attach="left" box="[1134,1147,1940,1954]" fontSize="6" pageId="9" pageNumber="468">th</superScript>
|
||
more convex than others, overhanging 10
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<superScript id="38AE4E340043FFC6FECA2AA0144F37F6" attach="left" box="[325,338,1976,1990]" fontSize="6" pageId="9" pageNumber="468">th</superScript>
|
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interstria. Usual area of callus on 5
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<superScript id="38AE4E340043FFC6FD542AA017F537F6" attach="left" box="[731,744,1976,1990]" fontSize="6" pageId="9" pageNumber="468">th</superScript>
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weakly raised, moderately elongate, ca. 5 punctures in row on each side.
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</paragraph>
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<paragraph id="CF64E37C0040FFC5FF482D8F14C830C9" blockId="10.[151,1437,151,753]" pageId="10" pageNumber="469">Pronotum slightly wider than long, widest slightly behind anterior margin, narrowed at base, sides sinuate, minutely but distinctly denticulate; anterior margin bisinuate; rather uniformly densely punctate, except less dense on reliefs; depressions deep.</paragraph>
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<paragraph id="CF64E37C0040FFC5FF482C1B16B83171" blockId="10.[151,1437,151,753]" pageId="10" pageNumber="469">Elytra with spaces between strial punctures ca. 0.5–1x 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="CF64E37C0040FFC5FF482C53146131B9" blockId="10.[151,1437,151,753]" pageId="10" pageNumber="469">Ventral characters: Mentum coarsely densely punctate, with large median fovea. Submentum punctate, without foveae. Legs brown.</paragraph>
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||
<paragraph id="CF64E37C0040FFC5FF482C8B17A83251" blockId="10.[151,1437,151,753]" pageId="10" pageNumber="469">
|
||
Male genitalia (
|
||
<figureCitation id="57E0FFF90040FFC5FEF62C8B14A3319E" box="[377,446,403,430]" captionStart="FIGURES 5–6" captionStartId="24.[151,264,1934,1958]" captionTargetBox="[161,1425,192,1893]" captionTargetId="figure-22@24.[151,1435,181,1910]" captionTargetPageId="24" captionText="FIGURES 5–6. Habitus and male genitalia of holotypes. 5. Hydrochus biexcavatus n. sp. 6. Hydrochus mesoamericanus n. sp." figureDoi="http://doi.org/10.5281/zenodo.4777855" httpUri="https://zenodo.org/record/4777855/files/figure.png" pageId="10" pageNumber="469">Fig. 6</figureCitation>
|
||
) general characters: paramere tips slender and pointed, in lateral view narrower than in dorsal/ventral views and sharply pointed, in dorsal/ventral views with medial margins at apex parallel or nearly so, then arcuate away from midline, narrow proximal to plsa; aedeagus in dorsal/ventral views wide in distal ½, only slightly wider in proximal ½, greatest width as ca. midlength; in lateral view slightly wider in proximal ½, and much wider in membranous distal 1/2; lateral margins of aedeagus sclerotized; basal piece slightly shorter than parameres, tapering proximally, orifice strongly sclerotized.
|
||
</paragraph>
|
||
<paragraph id="CF64E37C0040FFC5FF482F7314B93299" blockId="10.[151,1437,151,753]" pageId="10" pageNumber="469">Dorsal surface: pdmm widely separated, sinuate; adbl large; adtl as about distal 1/3; paramere tips without dorsal sclerotized ridge.</paragraph>
|
||
<paragraph id="CF64E37C0040FFC5FF482FAB115232FD" blockId="10.[151,1437,151,753]" box="[199,1103,691,717]" pageId="10" pageNumber="469">Ventral surface: pvmm approximating lateral margin of aedeagus; avtl near base.</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="87C1B0F70040FFC5FF482FCF168232C1" box="[199,927,727,753]" pageId="10" pageNumber="469" type="etymology">
|
||
<paragraph id="CF64E37C0040FFC5FF482FCF168232C1" blockId="10.[151,1437,151,753]" box="[199,927,727,753]" pageId="10" pageNumber="469">
|
||
<emphasis id="FDAF3F6E0040FFC5FF482FCF145332C1" bold="true" box="[199,334,727,753]" pageId="10" pageNumber="469">Etymology.</emphasis>
|
||
Named in reference to the geographical distribution.
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |