166 lines
20 KiB
XML
166 lines
20 KiB
XML
<document id="CDE966F3C590C998FE29F373B67EBD64" ID-DOI="10.11646/zootaxa.4994.1.1" ID-ISSN="1175-5326" ID-Zenodo-Dep="5043261" ID-ZooBank="107FCA64-345F-40A4-99D3-5C1441EEAD93" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.taxonomicNames_approvedBy="felipe" checkinTime="1624993528766" checkinUser="plazi" docAuthor="Perkins, Philip D." docDate="2021" docId="03A187DEFFEBFFE86194FDB60022F04A" docLanguage="en" docName="zootaxa.4994.1.1.pdf" docOrigin="Zootaxa 4994 (1)" docStyle="DocumentStyle:5EBBA59367AD13919D70D935FA04F6A3.14:Zootaxa.2013-.monograph" docStyleId="5EBBA59367AD13919D70D935FA04F6A3" docStyleName="Zootaxa.2013-.monograph" docStyleVersion="14" docTitle="Hydrochus distinctulus Perkins 2021, new species" docType="treatment" docVersion="3" lastPageNumber="24" masterDocId="FF98FFA6FFFCFFFF6103FFF0045FF707" masterDocTitle="Taxonomy of water beetles in the genus Hydrochus Leach, 1817, from Bolivia, Brazil and Paraguay (Coleoptera: Hydrochidae)" masterLastPageNumber="93" masterPageNumber="1" pageNumber="24" updateTime="1698978858223" updateUser="plazi">
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<mods:titleInfo id="8B1C6CD9D6F402A40FE742F47C7BFC9C">
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<mods:title id="6C929003A724E7B89D9249D4E673E1BD">Taxonomy of water beetles in the genus Hydrochus Leach, 1817, from Bolivia, Brazil and Paraguay (Coleoptera: Hydrochidae)</mods:title>
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</mods:titleInfo>
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<mods:name id="48D39DEC0E314B8D374831A73DB502A0" type="personal">
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<mods:role id="0E1F9601ECBAB3495D651CC7FC3A2846">
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<mods:roleTerm id="2E8DB38A11BAAACF78FB11CCB383E2A0">Author</mods:roleTerm>
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<mods:namePart id="7C366A0BDD133EFA6228127B927D9CFF">Perkins, Philip D.</mods:namePart>
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<mods:typeOfResource id="96E5D0DE684175518A84CF32E8DB7658">text</mods:typeOfResource>
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<mods:titleInfo id="321156C67388AD1F1017BE1DE17CC472">
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<mods:title id="36E0F5863103ECD695A0ED807B55CA57">Zootaxa</mods:title>
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</mods:titleInfo>
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<mods:part id="E9FFCD7444C1297E806D02F3618D8797">
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<mods:date id="0C32692D3218BBFFAB257843CD30C84B">2021</mods:date>
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<mods:detail id="4F2FBABB8AC43649E88C8CDB1850DD09" type="pubDate">
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<mods:number id="3E7BAC173C95BA3A140AC61A6EB9D689">2021-06-28</mods:number>
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<mods:detail id="2336D5EFB7160392748624321AE403B8" type="volume">
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<mods:number id="6C9383BF510838BD8E1960AA3A9EF120">4994</mods:number>
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</mods:detail>
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<mods:detail id="D5FF4A7AB6C87E87E22A4DEEDC2354E2" type="issue">
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<mods:number id="DB5B1D4773FCFB14A8FA398521AAC6A1">1</mods:number>
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<mods:start id="6A63FDDEAEEEB8CFF93982BC0EA15FDC">1</mods:start>
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<mods:end id="7971EF74D63FE1F1B02E89CE1D4F4D6E">93</mods:end>
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<mods:classification id="47C91449859C9EED49B216DDAFA47FA9">journal article</mods:classification>
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<mods:identifier id="C2867311D3376C0CDC6ECBA1294F0192" type="DOI">10.11646/zootaxa.4994.1.1</mods:identifier>
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<mods:identifier id="98497C8D9CAC4A0F507E114DB239C3B6" type="ISSN">1175-5326</mods:identifier>
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<mods:identifier id="089771FD2A7C89C79D29282DB75D8D8A" type="Zenodo-Dep">5043261</mods:identifier>
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<mods:identifier id="8887C6BE8E9EF273AC4C78083ED8CF54" type="ZooBank">107FCA64-345F-40A4-99D3-5C1441EEAD93</mods:identifier>
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</mods:mods>
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<treatment id="03A187DEFFEBFFE86194FDB60022F04A" LSID="urn:lsid:plazi:treatment:03A187DEFFEBFFE86194FDB60022F04A" httpUri="http://treatment.plazi.org/id/03A187DEFFEBFFE86194FDB60022F04A" lastPageNumber="24" pageId="23" pageNumber="24">
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<subSubSection id="C3126543FFEBFFE86194FDB60610F567" box="[151,591,582,609]" pageId="23" pageNumber="24" type="nomenclature">
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<paragraph id="8BB736C8FFEBFFE86194FDB60610F567" blockId="23.[151,591,582,645]" box="[151,591,582,609]" pageId="23" pageNumber="24">
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<heading id="D0FF81A4FFEBFFE86194FDB60610F567" bold="true" box="[151,591,582,609]" fontSize="11" level="2" pageId="23" pageNumber="24" reason="4">
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<emphasis id="B97CEADAFFEBFFE86194FDB60610F567" bold="true" box="[151,591,582,609]" pageId="23" pageNumber="24">
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<taxonomicName id="4C084D4BFFEBFFE86194FDB605EFF566" ID-CoL="8Y4PY" authority="Perkins, 2021" authorityName="Perkins" authorityYear="2021" box="[151,432,582,609]" class="Insecta" family="Hydrochidae" genus="Hydrochus" kingdom="Animalia" order="Coleoptera" pageId="23" pageNumber="24" phylum="Arthropoda" rank="species" species="distinctulus" status="sp. nov.">
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<emphasis id="B97CEADAFFEBFFE86194FDB605EFF566" bold="true" box="[151,432,582,609]" italics="true" pageId="23" pageNumber="24">Hydrochus distinctulus</emphasis>
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</taxonomicName>
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,
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<taxonomicNameLabel id="A24F57A1FFEBFFE860BCFDB70610F567" box="[447,591,582,609]" pageId="23" pageNumber="24" 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="C3126543FFEBFFE86194FD9B0568F582" box="[151,311,618,645]" pageId="23" pageNumber="24" type="description">
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||
<paragraph id="8BB736C8FFEBFFE86194FD9B0568F582" blockId="23.[151,591,582,645]" box="[151,311,618,645]" pageId="23" pageNumber="24">
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<figureCitation id="13332A4DFFEBFFE86194FD9B04BAF582" box="[151,229,619,645]" captionStart="FIGURE 2" captionStartId="7.[151,250,1943,1967]" captionTargetBox="[164,1405,189,1904]" captionTargetId="figure-15@7.[153,1434,181,1919]" captionTargetPageId="7" captionText="FIGURE 2. Dorsal habitus of Hydrochus species in study area." figureDoi="http://doi.org/10.5281/zenodo.5043267" httpUri="https://zenodo.org/record/5043267/files/figure.png" pageId="23" pageNumber="24">Figs. 2</figureCitation>
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,
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<figureCitation id="13332A4DFFEBFFE861F2FD9B054FF582" box="[241,272,619,645]" captionStart="FIGURES 20–21" captionStartId="62.[151,264,1892,1916]" captionTargetBox="[168,1421,226,1828]" captionTargetId="figure-28@62.[151,1435,181,1869]" captionTargetPageId="62" captionText="FIGURES 20–21. Habitus and male genitalia of holotypes. 20. Hydrochus distinctulus n. sp. 21. Hydrochus fritillus. n. sp." figureDoi="http://doi.org/10.5281/zenodo.5043300" httpUri="https://zenodo.org/record/5043300/files/figure.png" pageId="23" pageNumber="24">20</figureCitation>
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,
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<figureCitation id="13332A4DFFEBFFE86018FD9A0568F582" box="[283,311,618,645]" captionStart="FIGURES 57–58" captionStartId="81.[151,264,1928,1952]" captionTargetBox="[151,1435,181,1905]" captionTargetId="figure-15@81.[151,1435,181,1905]" captionTargetPageId="81" captionText="FIGURES 57–58. Geographical distributions. 57. Endemics and near endemics. 58. H. bituberculatus." figureDoi="http://doi.org/10.5281/zenodo.5043356" httpUri="https://zenodo.org/record/5043356/files/figure.png" pageId="23" pageNumber="24">57</figureCitation>
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</paragraph>
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</subSubSection>
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<subSubSection id="C3126543FFEBFFE86194FD430644F412" pageId="23" pageNumber="24" type="materials_examined">
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<paragraph id="8BB736C8FFEBFFE86194FD430644F412" blockId="23.[151,1437,690,1869]" pageId="23" pageNumber="24">
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<emphasis id="B97CEADAFFEBFFE86194FD430516F5CB" bold="true" box="[151,329,690,717]" pageId="23" pageNumber="24">Type Material.</emphasis>
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<materialsCitation id="3B603C95FFEBFFE86052FD4301C6F5CA" box="[337,1433,690,717]" collectingDate="1969-07-03" collectionCode="NMNH" collectorName="Km. E. Itabuna & P. & P. Spangler" country="Brazil" location="Bahia" pageId="23" pageNumber="24" specimenCount="1" stateProvince="Bahia" typeStatus="holotype">
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<emphasis id="B97CEADAFFEBFFE86052FD43066DF5CB" bold="true" box="[337,562,690,717]" pageId="23" pageNumber="24">
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<typeStatus id="54B3886AFFEBFFE86052FD4305E1F5CA" box="[337,446,691,717]" pageId="23" pageNumber="24" type="holotype">Holotype</typeStatus>
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(male): “
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</emphasis>
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<collectingCountry id="F31F7658FFEBFFE86331FD4306C3F5CA" box="[562,668,691,717]" name="Brazil" pageId="23" pageNumber="24">BRAZIL</collectingCountry>
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:
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<collectingRegion id="49CCF82AFFEBFFE863ABFD4306B3F5CA" box="[680,748,691,717]" country="Brazil" name="Bahia" pageId="23" pageNumber="24">Bahia</collectingRegion>
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, 15
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<collectorName id="26FD531EFFEBFFE86210FD42079AF5CA" box="[787,965,690,717]" pageId="23" pageNumber="24">Km. E. Itabuna</collectorName>
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,
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<date id="FFB61008FFEBFFE862D3FD43000DF5CA" box="[976,1106,691,717]" pageId="23" pageNumber="24" value="1969-07-03">
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<collectingDate id="EFF2E9E0FFEBFFE862D3FD43000DF5CA" box="[976,1106,691,717]" pageId="23" pageNumber="24" value="1969-07-03">VII-3-1969</collectingDate>
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</date>
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,
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<collectorName id="26FD531EFFEBFFE8655CFD430144F5CA" box="[1119,1307,691,717]" pageId="23" pageNumber="24">P. & P. Spangler</collectorName>
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” (
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<collectionCode id="ED19AE0DFFEBFFE86436FD4301CEF5CA" box="[1333,1425,691,717]" country="USA" httpUri="http://grbio.org/cool/142r-0w94" name="Smithsonian Institution, National Museum of Natural History" pageId="23" pageNumber="24" type="Museum">NMNH</collectionCode>
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)
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</materialsCitation>
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.
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<materialsCitation id="3B603C95FFEBFFE86194FD2706B6F5F6" box="[151,745,726,753]" collectingDate="1969-07-03" collectionCode="NMNH" collectorName="Km. E. Itabuna & P. & P. Spangler" country="Brazil" location="Same" pageId="23" pageNumber="24" specimenCount="1" stateProvince="Bahia" typeStatus="paratype">
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<emphasis id="B97CEADAFFEBFFE86194FD270510F5F7" bold="true" box="[151,335,726,753]" pageId="23" pageNumber="24">
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<typeStatus id="54B3886AFFEBFFE86194FD270550F5F6" box="[151,271,727,753]" pageId="23" pageNumber="24" type="paratype">Paratypes</typeStatus>
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(85):
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</emphasis>
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<location id="8ED76013FFEBFFE86055FD2705CBF5F6" LSID="urn:lsid:plazi:treatment:03A187DEFFEBFFE86194FDB60022F04A:8ED76013FFEBFFE86055FD2705CBF5F6" box="[342,404,727,753]" name="Same" pageId="23" pageNumber="24">Same</location>
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data as holotype (84
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<collectionCode id="ED19AE0DFFEBFFE86384FD2706BDF5F6" box="[647,738,727,753]" country="USA" httpUri="http://grbio.org/cool/142r-0w94" name="Smithsonian Institution, National Museum of Natural History" pageId="23" pageNumber="24" type="Museum">NMNH</collectionCode>
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||
)
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</materialsCitation>
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;
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<materialsCitation id="3B603C95FFEBFFE863F6FD270648F412" collectingDate="1964-10-29" collectingDateMax="1964-10-31" collectingDateMin="1964-10-29" collectionCode="NMNH" country="Brazil" location="Buritis" pageId="23" pageNumber="24" specimenCount="1" stateProvince="Mato Grosso" typeStatus="paratype">
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||
<collectingRegion id="49CCF82AFFEBFFE863F6FD2707D6F5F6" box="[757,905,727,753]" country="Brazil" name="Mato Grosso" pageId="23" pageNumber="24">Mato Grosso</collectingRegion>
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,
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<location id="8ED76013FFEBFFE86296FD2707BEF5F6" LSID="urn:lsid:plazi:treatment:03A187DEFFEBFFE86194FDB60022F04A:8ED76013FFEBFFE86296FD2707BEF5F6" box="[917,993,727,753]" country="Brazil" name="Buritis" pageId="23" pageNumber="24" stateProvince="Mato Grosso">Buritis</location>
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(Ribeirao Confins),
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<date id="FFB61008FFEBFFE865C8FD270138F5F6" box="[1227,1383,727,753]" pageId="23" pageNumber="24" value="1964-10-29" valueMax="1964-10-31" valueMin="1964-10-29">
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||
<collectingDate id="EFF2E9E0FFEBFFE865C8FD270138F5F6" box="[1227,1383,727,753]" pageId="23" pageNumber="24" value="1964-10-29" valueMax="1964-10-31" valueMin="1964-10-29">29–31.x.1964</collectingDate>
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</date>
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, leg. (no collector on label) (1
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<collectionCode id="ED19AE0DFFEBFFE860B6FD0B064FF412" box="[437,528,763,789]" country="USA" httpUri="http://grbio.org/cool/142r-0w94" name="Smithsonian Institution, National Museum of Natural History" pageId="23" pageNumber="24" type="Museum">NMNH</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="C3126543FFEBFFE861C4FCEE0579F4CE" pageId="23" pageNumber="24" type="diagnosis">
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<paragraph id="8BB736C8FFEBFFE861C4FCEE0579F4CE" blockId="23.[151,1437,690,1869]" pageId="23" pageNumber="24">
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<emphasis id="B97CEADAFFEBFFE861C4FCEE058BF43F" bold="true" box="[199,468,798,824]" pageId="23" pageNumber="24">Differential Diagnosis.</emphasis>
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Among Brazilian species, recognized by the combination of moderate size (ca.
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<quantity id="4CF09B2DFFEBFFE86468FCEF0498F45A" metricMagnitude="-3" metricUnit="m" metricValue="3.03" pageId="23" pageNumber="24" unit="mm" value="3.03">3.03 mm</quantity>
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), the moderately low and relatively impunctate pronotal reliefs, the dorsum with most of head, and all of pronotum dull grey, most of elytra shiny black, with slight iridescence, and the male genitalia (
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<figureCitation id="13332A4DFFEBFFE86574FC970095F486" box="[1143,1226,871,897]" captionStart="FIGURES 20–21" captionStartId="62.[151,264,1892,1916]" captionTargetBox="[168,1421,226,1828]" captionTargetId="figure-28@62.[151,1435,181,1869]" captionTargetPageId="62" captionText="FIGURES 20–21. Habitus and male genitalia of holotypes. 20. Hydrochus distinctulus n. sp. 21. Hydrochus fritillus. n. sp." figureDoi="http://doi.org/10.5281/zenodo.5043300" httpUri="https://zenodo.org/record/5043300/files/figure.png" pageId="23" pageNumber="24">Fig. 20</figureCitation>
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; described below). The dorsal color is similar to that of
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<taxonomicName id="4C084D4BFFEBFFE8632FFC7B06E6F4A2" authorityName="Perkins" authorityYear="2021" box="[556,697,907,933]" class="Insecta" family="Hydrochidae" genus="Hydrochus" kingdom="Animalia" order="Coleoptera" pageId="23" pageNumber="24" phylum="Arthropoda" rank="species" species="distinctus">
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<emphasis id="B97CEADAFFEBFFE8632FFC7B06E6F4A2" box="[556,697,907,933]" italics="true" pageId="23" pageNumber="24">H. distinctus</emphasis>
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</taxonomicName>
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, which is a much larger species, with very different male genitalia morphology.
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</paragraph>
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</subSubSection>
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<subSubSection id="C3126543FFEBFFE861C4FC22048FF02E" pageId="23" pageNumber="24" type="description">
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<paragraph id="8BB736C8FFEBFFE861C4FC220078F3A6" blockId="23.[151,1437,690,1869]" pageId="23" pageNumber="24">
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||
<emphasis id="B97CEADAFFEBFFE861C4FC22050EF4EB" bold="true" box="[199,337,978,1004]" pageId="23" pageNumber="24">Description</emphasis>
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. Size:
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<typeStatus id="54B3886AFFEBFFE860A7FC230659F4EA" box="[420,518,979,1005]" pageId="23" pageNumber="24" type="holotype">holotype</typeStatus>
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(length/width, mm): body (length to elytral apices) 3.03/1.03; head width 0.74; pronotum l/w 0.66/0.69; PA 0.69; PB 0.59; elytra 1.91/1.03. Habitus as illustrated (
|
||
<figureCitation id="13332A4DFFEBFFE8654CFC0700FAF316" box="[1103,1189,1015,1041]" captionStart="FIGURES 20–21" captionStartId="62.[151,264,1892,1916]" captionTargetBox="[168,1421,226,1828]" captionTargetId="figure-28@62.[151,1435,181,1869]" captionTargetPageId="62" captionText="FIGURES 20–21. Habitus and male genitalia of holotypes. 20. Hydrochus distinctulus n. sp. 21. Hydrochus fritillus. n. sp." figureDoi="http://doi.org/10.5281/zenodo.5043300" httpUri="https://zenodo.org/record/5043300/files/figure.png" pageId="23" pageNumber="24">Fig. 20</figureCitation>
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). Body size moderate (ca.
|
||
<quantity id="4CF09B2DFFEBFFE861C4FBEB0570F332" box="[199,303,1051,1077]" metricMagnitude="-3" metricUnit="m" metricValue="3.03" pageId="23" pageNumber="24" unit="mm" value="3.03">3.03 mm</quantity>
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). Dorsum with most of head, and all of pronotum dull grey, most of elytra shiny black, with slight iridescence, elytra without black spots. Legs testaceous, with tibiofemoral joints darker. Punctation on elytra ca. 2–5x that of pronotum. Elytra interstriae narrow ridges to ca. 0.5x strial puncture diameter. Interstria 9
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<superScript id="7C7D9B80FFEBFFE865C0FB92008FF377" attach="left" box="[1219,1232,1122,1136]" fontSize="6" pageId="23" pageNumber="24">th</superScript>
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||
more convex than others, overhanging 10
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<superScript id="7C7D9B80FFEBFFE8609AFB7605F9F393" attach="left" box="[409,422,1158,1172]" fontSize="6" pageId="23" pageNumber="24">th</superScript>
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||
interstria. Usual area of callus on 5
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<superScript id="7C7D9B80FFEBFFE86230FB76071FF393" attach="left" box="[819,832,1158,1172]" fontSize="6" pageId="23" pageNumber="24">th</superScript>
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weakly raised, grey.
|
||
</paragraph>
|
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<paragraph id="8BB736C8FFEBFFE861C4FB5B0664F20A" blockId="23.[151,1437,690,1869]" pageId="23" pageNumber="24">Pronotum slightly wider than long (ratio ca. 38/35), widest slightly behind anterior margin, narrowed at base, sides very weakly sinuate, smooth; anterior margin bisinuate; depressions shallow, much more densely punctate than low reliefs between depressions.</paragraph>
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<paragraph id="8BB736C8FFEBFFE861C4FAE70071F252" blockId="23.[151,1437,690,1869]" pageId="23" pageNumber="24">Elytra with spaces between strial punctures narrow ridges to ca. 0.5x their diameter; apices rather sharply conjointly rounded in dorsal view, in lateral view outer margin with slight angulation.</paragraph>
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<paragraph id="8BB736C8FFEBFFE861C4FAAF0523F29A" blockId="23.[151,1437,690,1869]" pageId="23" pageNumber="24">Ventral characters: Mentum densely punctate, with basomedian fovea; submentum very finely sparsely punctate, without foveae.</paragraph>
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<paragraph id="8BB736C8FFEBFFE861C4FA5704B2F1BA" blockId="23.[151,1437,690,1869]" pageId="23" pageNumber="24">
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Male genitalia (
|
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<figureCitation id="13332A4DFFEBFFE86075FA570599F2C6" box="[374,454,1447,1473]" captionStart="FIGURES 20–21" captionStartId="62.[151,264,1892,1916]" captionTargetBox="[168,1421,226,1828]" captionTargetId="figure-28@62.[151,1435,181,1869]" captionTargetPageId="62" captionText="FIGURES 20–21. Habitus and male genitalia of holotypes. 20. Hydrochus distinctulus n. sp. 21. Hydrochus fritillus. n. sp." figureDoi="http://doi.org/10.5281/zenodo.5043300" httpUri="https://zenodo.org/record/5043300/files/figure.png" pageId="23" pageNumber="24">Fig. 20</figureCitation>
|
||
) general characters: genitalia stout, length ca. 4x greatest width, basal piece much short- er than parameres (ratio ca. 3/5); paramere tips extending beyond aedeagus tip, medial margins beyond aedeagus tip parallel or nearly so, paramere tips tapering and arcing slightly toward midline, plsa absent, lateral margins of tips arcuate; paramere widest part, in dorsal view, slightly narrower than aedeagus; in lateral view parameres wide, tapering to sharply pointed apex; pseudoparameres very short; aedeagus wide, sides sinuate, agw at ca. distal 2/3; basal piece in dorsal/ventral views tapering from distal end to base, in lateral view also tapering toward base, greatest width in dorsal/ventral views greater than lateral width, orifice markedly asymmetrical, ventral margin hookshaped.
|
||
</paragraph>
|
||
<paragraph id="8BB736C8FFEBFFE861C4F93701D6F1E6" blockId="23.[151,1437,690,1869]" box="[199,1417,1735,1761]" pageId="23" pageNumber="24">Dorsal surface: adtl subapical; pdmm markedly sinuate, widely separated; adbl large, width ca. equal to agw.</paragraph>
|
||
<paragraph id="8BB736C8FFEBFFE861C4F91B048FF02E" blockId="23.[151,1437,690,1869]" pageId="23" pageNumber="24">Ventral surface: avtl near proximal 1/4; pvmm separation much greater than pdmm, overlapping alm only at base.</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="C3126543FFEBFFE861C4F8C30022F04A" box="[199,1149,1843,1869]" pageId="23" pageNumber="24" type="etymology">
|
||
<paragraph id="8BB736C8FFEBFFE861C4F8C30022F04A" blockId="23.[151,1437,690,1869]" box="[199,1149,1843,1869]" pageId="23" pageNumber="24">
|
||
<emphasis id="B97CEADAFFEBFFE861C4F8C30517F04A" bold="true" box="[199,328,1843,1869]" pageId="23" pageNumber="24">Etymology</emphasis>
|
||
. Named in reference to dorsal similarity to the much larger
|
||
<emphasis id="B97CEADAFFEBFFE862EBF8C30022F04A" box="[1000,1149,1843,1869]" italics="true" pageId="23" pageNumber="24">
|
||
<taxonomicName id="4C084D4BFFEBFFE862EBF8C30026F04A" authorityName="Perkins" authorityYear="2021" box="[1000,1145,1843,1869]" class="Insecta" family="Hydrochidae" genus="Hydrochus" kingdom="Animalia" order="Coleoptera" pageId="23" pageNumber="24" phylum="Arthropoda" rank="species" species="distinctus">H. distinctus</taxonomicName>
|
||
.
|
||
</emphasis>
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |