253 lines
32 KiB
XML
253 lines
32 KiB
XML
<document id="15EFCF09D6AFD323691D4C541E55FD2E" ID-CLB-Dataset="27544" ID-DOI="10.11646/zootaxa.4555.2.7" ID-GBIF-Dataset="7b20bc51-26bc-4bd1-8c09-997609952de7" ID-ISSN="1175-5326" ID-Zenodo-Dep="2624353" ID-ZooBank="1015FC80-EDB3-4AA7-9E56-11EB69B1D724" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.taxonomicNames_approvedBy="felipe" checkinTime="1554272337677" checkinUser="plazi" docAuthor="Bilton, David T. & Mlambo, Musa C." docDate="2019" docId="0382A82F7E1CFB4CFF13FF20FB59FC83" docLanguage="en" docName="zootaxa.4555.2.7.pdf" docOrigin="Zootaxa 4555 (2)" docStyle="DocumentStyle:647186512141C8FC8976D5BCC54AEB7D.9:Zootaxa.2013-.journal_article" docStyleId="647186512141C8FC8976D5BCC54AEB7D" docStyleName="Zootaxa.2013-.journal_article" docStyleVersion="9" docTitle="Mesoceration piketbergense Bilton & Mlambo 2019, sp. nov." docType="treatment" docVersion="7" lastPageNumber="274" masterDocId="FFBBD0577E19FB4AFF84FFB7FF81FF96" masterDocTitle="Two new Mesoceration Janssens, 1967 from the Piketberg, South Africa (Coleoptera, Hydraenidae)" masterLastPageNumber="274" masterPageNumber="268" pageNumber="273" updateTime="1698716410972" updateUser="ExternalLinkService">
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<mods:mods id="D9318209AB53D50F74570E03F5B1C971" xmlns:mods="http://www.loc.gov/mods/v3">
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<mods:titleInfo id="9CE314F7D2176ADEBA49B32AB4FD1B30">
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<mods:title id="2DE55A8427F8B2C9B7319D6814CC4AEF">Two new Mesoceration Janssens, 1967 from the Piketberg, South Africa (Coleoptera, Hydraenidae)</mods:title>
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</mods:titleInfo>
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<mods:name id="1463975FC096A9AA4FC109F2BB1391B4" type="personal">
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<mods:roleTerm id="1A875C8137CD7F977FD47E89F12AABEB">Author</mods:roleTerm>
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</mods:role>
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<mods:namePart id="352D5CC82332221B815ECB8FC01DB307">Bilton, David T.</mods:namePart>
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</mods:name>
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<mods:name id="769420C2CB3FB9258C0CF04145C266DA" type="personal">
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<mods:role id="93E997F67EC76FD8974769F73D2EDC0E">
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<mods:roleTerm id="1EDD49BF044B9486418655D431AAC6F6">Author</mods:roleTerm>
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</mods:role>
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<mods:namePart id="775033CA6EA038241682A7740D19AF47">Mlambo, Musa C.</mods:namePart>
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</mods:name>
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<mods:typeOfResource id="AB72C9AD5A0BBA372361DDA4C1AB930C">text</mods:typeOfResource>
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<mods:relatedItem id="514AF7162FCA20CE687C4EF552691D64" type="host">
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<mods:titleInfo id="17C1D89B1340D8245F6DDE209783D5EA">
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<mods:title id="A8A3B92B894779E71B8B24871C6CB5C7">Zootaxa</mods:title>
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</mods:titleInfo>
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<mods:part id="7839C499BF5488508207E74D5F305FCF">
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<mods:date id="4A77C9D7957A9D87B645F9CD8988D134">2019</mods:date>
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<mods:detail id="88CD59C633706BF91E2D866F7599C09F" type="pubDate">
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<mods:number id="FF1F89BFFE27109C518C151E716A09C6">2019-02-13</mods:number>
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</mods:detail>
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<mods:detail id="397CA33838A3A44CDEC28CDDBD7C73D4" type="volume">
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<mods:number id="878A141F7808ADB70E50DC463406D926">4555</mods:number>
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</mods:detail>
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<mods:detail id="9DC505D75826118FB60BEAF0DFC43740" type="issue">
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<mods:number id="E80B1AF38AF262E2BC03F3F18A6B7606">2</mods:number>
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<mods:extent id="E40DF61072A801DF205D7020741CC585" unit="page">
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<mods:start id="459F567BF3944B7344BF44AE766D49E7">268</mods:start>
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<mods:end id="3A02C96F0FB73863AEFC013ECEEB6D5C">274</mods:end>
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</mods:extent>
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</mods:part>
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</mods:relatedItem>
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<mods:classification id="DAA3292C2BC52EEDB42496A3AE239816">journal article</mods:classification>
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<mods:identifier id="C2E765229237760C503415D471973E99" type="CLB-Dataset">27544</mods:identifier>
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<mods:identifier id="C7FF58FFE668ADDDEDECB4DA20342EFD" type="DOI">10.11646/zootaxa.4555.2.7</mods:identifier>
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<mods:identifier id="04DECA58BEF5ECD609A58DA95A1FC5F6" type="GBIF-Dataset">7b20bc51-26bc-4bd1-8c09-997609952de7</mods:identifier>
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<mods:identifier id="C7C7FF2A8BE4A5BD6927493C6DFF3CA7" type="ISSN">1175-5326</mods:identifier>
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<mods:identifier id="721BC18B4241469119BF2F69AF0C90A3" type="Zenodo-Dep">2624353</mods:identifier>
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<mods:identifier id="064A0F31043194DD853AE22978949F99" type="ZooBank">1015FC80-EDB3-4AA7-9E56-11EB69B1D724</mods:identifier>
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</mods:mods>
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<treatment id="0382A82F7E1CFB4CFF13FF20FB59FC83" ID-DOI="http://doi.org/10.5281/zenodo.5935708" ID-GBIF-Taxon="154533739" ID-Zenodo-Dep="5935708" LSID="urn:lsid:plazi:treatment:0382A82F7E1CFB4CFF13FF20FB59FC83" httpUri="http://treatment.plazi.org/id/0382A82F7E1CFB4CFF13FF20FB59FC83" lastPageId="6" lastPageNumber="274" pageId="5" pageNumber="273">
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<subSubSection id="C3314AB27E1CFB4FFF13FF20FDCFFF24" box="[151,590,151,178]" pageId="5" pageNumber="273" type="nomenclature">
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<paragraph id="8B9419397E1CFB4FFF13FF20FDCFFF24" blockId="5.[151,590,151,178]" box="[151,590,151,178]" pageId="5" pageNumber="273">
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<heading id="D0DCAE557E1CFB4FFF13FF20FDCFFF24" bold="true" box="[151,590,151,178]" fontSize="11" level="1" pageId="5" pageNumber="273" reason="1">
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<emphasis id="B95FC52B7E1CFB4FFF13FF20FDCFFF24" bold="true" box="[151,590,151,178]" pageId="5" pageNumber="273">
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<taxonomicName id="4C2B62BA7E1CFB4FFF13FF20FE68FF27" ID-CoL="8Y6CF" authority="Bilton & Mlambo, 2019" authorityName="Bilton & Mlambo" authorityYear="2019" box="[151,489,151,177]" class="Insecta" family="Hydraenidae" genus="Mesoceration" higherTaxonomySource="GBIF" kingdom="Animalia" order="Coleoptera" pageId="5" pageNumber="273" phylum="Arthropoda" rank="species" species="piketbergense" status="sp. nov.">
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<emphasis id="B95FC52B7E1CFB4FFF13FF20FE68FF27" bold="true" box="[151,489,151,177]" italics="true" pageId="5" pageNumber="273">Mesoceration piketbergense</emphasis>
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</taxonomicName>
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<taxonomicNameLabel id="A26C78507E1CFB4FFE74FF2FFDCFFF24" box="[496,590,152,178]" pageId="5" pageNumber="273" rank="species">sp. nov.</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="C3314AB27E1CFB4FFF13FF60FC11FE35" pageId="5" pageNumber="273" type="materials_examined">
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<paragraph id="8B9419397E1CFB4FFF13FF60FE01FE85" blockId="5.[151,1437,215,2027]" pageId="5" pageNumber="273">
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||
<emphasis id="B95FC52B7E1CFB4FFF13FF60FE5DFF66" bold="true" box="[151,476,215,240]" pageId="5" pageNumber="273">
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||
Type locality.
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||
<materialsCitation id="3B4313647E1CFB4FFEC4FF60FE5DFF66" ID-GBIF-Occurrence="2234225235" box="[320,476,215,240]" country="South Africa" latitude="-32.77204" location="Sebrakop" municipality="Piketberg" pageId="5" pageNumber="273" specimenCount="1" stateProvince="Western Cape">
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<collectingCountry id="F33C59A97E1CFB4FFEC4FF60FE5DFF66" box="[320,476,215,240]" name="South Africa" pageId="5" pageNumber="273">South Africa</collectingCountry>
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||
</materialsCitation>
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||
</emphasis>
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,
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<collectingRegion id="49EFD7DB7E1CFB4FFE68FF6FFD7BFF66" box="[492,762,215,240]" country="South Africa" name="Western Cape" pageId="5" pageNumber="273">Western Cape Province</collectingRegion>
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||
,
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||
<collectingMunicipality id="6BF083437E1CFB4FFC83FF60FCF4FF66" box="[775,885,215,240]" pageId="5" pageNumber="273">Piketberg</collectingMunicipality>
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||
, stream below
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<location id="8EF44FE27E1CFB4FFBA0FF60FB10FF66" LSID="urn:lsid:plazi:treatment:0382A82F7E1CFB4CFF13FF20FB59FC83:8EF44FE27E1CFB4FFBA0FF60FB10FF66" box="[1060,1169,215,240]" country="South Africa" latitude="-32.77204" municipality="Piketberg" name="Sebrakop" pageId="5" pageNumber="273" stateProvince="Western Cape">Sebrakop</location>
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,
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||
<geoCoordinate id="EE1F7FFE7E1CFB4FFB1AFF6FFAD9FF66" box="[1182,1368,215,240]" direction="south" orientation="latitude" pageId="5" pageNumber="273" precision="1" value="-32.77204">32° 46’ 19.35’’S</geoCoordinate>
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//
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||
<geoCoordinate id="EE1F7FFE7E1CFB4FFAF1FF6FFEA6FE82" direction="east" orientation="longitude" pageId="5" pageNumber="273" precision="1" value="18.761692">18° 45’ 42.09’’E</geoCoordinate>
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,
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||
<specimenCount id="9D2DD2B07E1CFB4FFEB6FF4BFE01FE85" box="[306,384,252,276]" pageId="5" pageNumber="273" type="generic">
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<quantity id="4CD3B4DC7E1CFB4FFEB6FF4BFEFDFE85" box="[306,380,252,276]" metricMagnitude="2" metricUnit="m" metricValue="8.09" pageId="5" pageNumber="273" unit="m" value="809.0">809 m</quantity>
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||
.
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||
</specimenCount>
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||
</paragraph>
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<paragraph id="8B9419397E1CFB4FFF43FEA8FEB1FEE9" blockId="5.[151,1437,215,2027]" pageId="5" pageNumber="273">
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<emphasis id="B95FC52B7E1CFB4FFF43FEA8FE6FFEAE" bold="true" box="[199,494,287,312]" pageId="5" pageNumber="273">
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Type material.
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<materialsCitation id="3B4313647E1CFB4FFE05FEA8FE6FFEAE" ID-GBIF-Occurrence="2234225254" box="[385,494,287,312]" collectingDate="2015-10-03" collectionCode="AMG" collectorName="D T Bilton" country="South Africa" elevation="809" latitude="-32.77204" location="Piketberg" longLatPrecision="1" longitude="18.761692" municipality="Sebrakop" pageId="5" pageNumber="273" specimenCount="2" typeStatus="holotype">
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<typeStatus id="5490A79B7E1CFB4FFE05FEA8FE6FFEAE" box="[385,494,287,312]" pageId="5" pageNumber="273" type="holotype">Holotype</typeStatus>
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</materialsCitation>
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||
</emphasis>
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(male): "
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<collectingDate id="EFD1C6117E1CFB4FFDDFFEA8FD40FEAE" box="[603,705,287,312]" pageId="5" pageNumber="273" value="2015-10-03">
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||
<date id="FF953FF97E1CFB4FFDDFFEA8FD40FEAE" box="[603,705,287,312]" pageId="5" pageNumber="273" value="2015-10-03">3/x/2015</date>
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||
</collectingDate>
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||
<collectingCountry id="F33C59A97E1CFB4FFD4FFEA8FCDCFEAE" box="[715,861,287,312]" name="South Africa" pageId="5" pageNumber="273">South Africa</collectingCountry>
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WC//
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<location id="8EF44FE27E1CFB4FFC29FEA8FB99FEAE" LSID="urn:lsid:plazi:treatment:0382A82F7E1CFB4CFF13FF20FB59FC83:8EF44FE27E1CFB4FFC29FEA8FB99FEAE" box="[941,1048,287,312]" country="South Africa" latitude="-32.77204" longLatPrecision="1" longitude="18.761692" municipality="Sebrakop" name="Piketberg" pageId="5" pageNumber="273">Piketberg</location>
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- stream below//
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<collectingMunicipality id="6BF083437E1CFB4FFB63FEA8FAD0FEAE" box="[1255,1361,287,312]" pageId="5" pageNumber="273">Sebrakop</collectingMunicipality>
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||
<geoCoordinate id="EE1F7FFE7E1CFB4FFADEFE97FF62FECA" direction="south" orientation="latitude" pageId="5" pageNumber="273" precision="1" value="-32.77204">32 46 19.35S</geoCoordinate>
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//
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||
<geoCoordinate id="EE1F7FFE7E1CFB4FFF79FEF4FE14FECD" box="[253,405,323,348]" direction="east" orientation="longitude" pageId="5" pageNumber="273" precision="1" value="18.761692">18 45 42.09E</geoCoordinate>
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||
<elevation id="0006FE0A7E1CFB4FFE19FEF4FE65FECD" box="[413,484,323,347]" metricMagnitude="2" metricUnit="m" metricValue="8.09" pageId="5" pageNumber="273" unit="m" value="809.0">
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||
<quantity id="4CD3B4DC7E1CFB4FFE19FEF4FE65FECD" box="[413,484,323,347]" metricMagnitude="2" metricUnit="m" metricValue="8.09" pageId="5" pageNumber="273" unit="m" value="809.0">809 m</quantity>
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</elevation>
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||
//
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<collectorName id="26DE7CEF7E1CFB4FFE78FEF3FDF9FECA" box="[508,632,323,348]" pageId="5" pageNumber="273">D T Bilton</collectorName>
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leg." (genitalia extracted and mounted on same card) and red
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<typeStatus id="5490A79B7E1CFB4FFABEFEF4FA1DFECA" box="[1338,1436,323,348]" pageId="5" pageNumber="273" type="holotype">holotype</typeStatus>
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label (AMG).
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</paragraph>
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||
<paragraph id="8B9419397E1CFB4FFF43FE3DFC11FE35" blockId="5.[151,1437,215,2027]" box="[199,912,394,419]" pageId="5" pageNumber="273">
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||
<materialsCitation id="3B4313647E1CFB4FFF43FE3DFC0DFE35" ID-GBIF-Occurrence="2234225208" box="[199,908,394,419]" collectingDate="2015-10-03" collectionCode="AMG" collectorName="D T Bilton" country="South Africa" elevation="809" latitude="-32.77204" location="Piketberg" longLatPrecision="1" longitude="18.761692" municipality="Sebrakop" pageId="5" pageNumber="273" specimenCount="20" specimenCount-female="15" specimenCount-male="5" typeStatus="paratype">
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<typeStatus id="5490A79B7E1CFB4FFF43FE3DFEBEFE35" box="[199,319,394,419]" pageId="5" pageNumber="273" type="paratype">
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<emphasis id="B95FC52B7E1CFB4FFF43FE3DFEBEFE35" bold="true" box="[199,319,394,419]" pageId="5" pageNumber="273">Paratypes</emphasis>
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</typeStatus>
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(20):
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<collectingCountry id="F33C59A97E1CFB4FFE07FE3DFD96FE35" box="[387,535,394,419]" name="South Africa" pageId="5" pageNumber="273">South Africa</collectingCountry>
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:
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<specimenCount id="9D2DD2B07E1CFB4FFDA6FE3DFDC7FE35" box="[546,582,394,419]" pageId="5" pageNumber="273" type="male">5♂</specimenCount>
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,
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<specimenCount id="9D2DD2B07E1CFB4FFDD7FE3DFD04FE35" box="[595,645,394,419]" pageId="5" pageNumber="273" type="female">15♀</specimenCount>
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, same data as holotype
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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="C3314AB27E1CFB4CFF43FE19FCBBFE8B" lastPageId="6" lastPageNumber="274" pageId="5" pageNumber="273" type="description">
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||
<paragraph id="8B9419397E1CFB4FFF43FE19FACCFE7C" blockId="5.[151,1437,215,2027]" pageId="5" pageNumber="273">
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<emphasis id="B95FC52B7E1CFB4FFF43FE19FED8FE51" bold="true" box="[199,345,430,455]" pageId="5" pageNumber="273">Description.</emphasis>
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Size:
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<typeStatus id="5490A79B7E1CFB4FFE24FE19FD8CFE51" box="[416,525,430,455]" pageId="5" pageNumber="273" type="holotype">Holotype</typeStatus>
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: BL
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<quantity id="4CD3B4DC7E1CFB4FFDC0FE18FD2AFE50" box="[580,683,431,455]" metricMagnitude="-3" metricUnit="m" metricValue="1.9" pageId="5" pageNumber="273" unit="mm" value="1.9">1.90 mm</quantity>
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||
; EL
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<quantity id="4CD3B4DC7E1CFB4FFD66FE18FCC8FE50" box="[738,841,431,455]" metricMagnitude="-3" metricUnit="m" metricValue="1.12" pageId="5" pageNumber="273" unit="mm" value="1.12">1.12 mm</quantity>
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||
; EW
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||
<quantity id="4CD3B4DC7E1CFB4FFC0DFE19FC70FE50" box="[905,1009,430,455]" metricMagnitude="-4" metricUnit="m" metricValue="6.3" pageId="5" pageNumber="273" unit="mm" value="0.63">0.63 mm</quantity>
|
||
.
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||
<typeStatus id="5490A79B7E1CFB4FFC78FE18FBEFFE51" box="[1020,1134,431,455]" pageId="5" pageNumber="273" type="paratype">Paratypes</typeStatus>
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||
: Males BL
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||
<quantity id="4CD3B4DC7E1CFB4FFB75FE19FA19FE50" box="[1265,1432,430,455]" metricMagnitude="-3" metricUnit="m" metricValue="1.88" metricValueMax="1.96" metricValueMin="1.8" pageId="5" pageNumber="273" unit="mm" value="1.88" valueMax="1.96" valueMin="1.8">1.80–1.96 mm</quantity>
|
||
; EL
|
||
<quantity id="4CD3B4DC7E1CFB4FFF44FE65FEE7FE7C" box="[192,358,466,491]" metricMagnitude="-3" metricUnit="m" metricValue="1.1" metricValueMax="1.15" metricValueMin="1.05" pageId="5" pageNumber="273" unit="mm" value="1.1" valueMax="1.15" valueMin="1.05">1.05–1.15 mm</quantity>
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||
; EW
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||
<quantity id="4CD3B4DC7E1CFB4FFE20FE65FDCBFE7C" box="[420,586,466,491]" metricMagnitude="-4" metricUnit="m" metricValue="6.25" metricValueMax="6.5" metricValueMin="6.0" pageId="5" pageNumber="273" unit="mm" value="0.625" valueMax="0.65" valueMin="0.6">0.60–0.65 mm</quantity>
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. Females BL
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||
<quantity id="4CD3B4DC7E1CFB4FFD60FE65FC0BFE7C" box="[740,906,466,491]" metricMagnitude="-3" metricUnit="m" metricValue="1.85" metricValueMax="1.95" metricValueMin="1.75" pageId="5" pageNumber="273" unit="mm" value="1.85" valueMax="1.95" valueMin="1.75">1.75–1.95 mm</quantity>
|
||
; EL
|
||
<quantity id="4CD3B4DC7E1CFB4FFC3AFE65FBE5FE7C" box="[958,1124,466,491]" metricMagnitude="-3" metricUnit="m" metricValue="1.075" metricValueMax="1.1" metricValueMin="1.05" pageId="5" pageNumber="273" unit="mm" value="1.075" valueMax="1.1" valueMin="1.05">1.05–1.10 mm</quantity>
|
||
; EW
|
||
<quantity id="4CD3B4DC7E1CFB4FFB26FE65FAC9FE7C" box="[1186,1352,466,491]" metricMagnitude="-4" metricUnit="m" metricValue="6.25" metricValueMax="6.5" metricValueMin="6.0" pageId="5" pageNumber="273" unit="mm" value="0.625" valueMax="0.65" valueMin="0.6">0.60–0.65 mm</quantity>
|
||
.
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||
</paragraph>
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||
<paragraph id="8B9419397E1CFB4FFF43FE42FF6DFD0B" blockId="5.[151,1437,215,2027]" pageId="5" pageNumber="273">
|
||
Colour: Dorsum (
|
||
<figureCitation id="131005BC7E1CFB4FFE0AFE42FE65FD98" box="[398,484,501,526]" captionStart="FIGURE 1" captionStartId="2.[151,250,1312,1334]" captionTargetBox="[163,1358,351,1264]" captionTargetId="figure@2.[153,1433,337,1291]" captionTargetPageId="2" captionText="FIGURE 1. Mesoceration species, holotype habitus. A) Mesoceration explanatum sp. nov.; B) Mesoceration piketbergense sp. nov. Scale bar = 1 mm." httpUri="https://zenodo.org/record/2624355/files/figure.png" pageId="5" pageNumber="273">Fig. 1B</figureCitation>
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) black with a rim of dark yellow-brown on the anterior margins of labrum. Anterior and posterior margins of pronotum and lateral margins of elytra dark brown; ocelli dark brown. Maxillary palps pale yellow, last segment slightly infuscated over apical 0.6. Legs orange brown. Venter black with silvery hydrofuge vestiture. Prementum pale brown; submentum darkish brown; gena black; gula black, slightly paler basally.
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</paragraph>
|
||
<paragraph id="8B9419397E1CFB4FFF43FD1FFA90FC01" blockId="5.[151,1437,215,2027]" pageId="5" pageNumber="273">Head: Labrum slightly transverse, rounded apicolaterally with broad apicomedian emargination running approx. 0.4 of length. Surface shining with fine microreticulation; elongate in centre, isodiametric basally; with scattered fine punctures bearing recumbent setae. Frontoclypeal suture obsolete. Clypeus with strong, transverse microreticulation over central part, and scattered, medium punctures bearing short, white recumbent setae. Frons and vertex dull, with strong granulate microreticulation and scattered medium punctures bearing white recumbent setae. Ocelli small, shining. Head behind ocelli with sharp declivity. Anteocular sulci broad, shallow, open apicolaterally. Compound eyes small, occupying ca. 0.35 side of head; 10 ommatidia in longest series.</paragraph>
|
||
<paragraph id="8B9419397E1CFB4FFF43FC14FB8DFB23" blockId="5.[151,1437,215,2027]" pageId="5" pageNumber="273">Pronotum: Cordate, slightly transverse, broadest before middle. Anterior margin arcuate over median 0.5, no hyaline border; posterior margin bisinuate around centre. Anterior angles obtusely rounded; posterior angles obtuse and weakly rounded. Lateral margins sinuated from widest point to base, broadly marginated and moderately serrate. Surface dull, with dense coarse punctures bearing long, fine, decumbent setae. Relief with shining granulate microreticulation. With 10 foveae as follows: anterior median fovea elongate, posterior median fovea elongate oval, both deepest in centre and confluent. Anterior admedian foveae shallow, oval, open anteriorly; posterior admedian foveae deeper, elongate oval, orientated anterolaterally. Anterior adlateral foveae oval, shallow, open apicolaterally. Posterior adlateral foveae small, oval, open anterolaterally.</paragraph>
|
||
<paragraph id="8B9419397E1CFB4FFF43FB77FB5EFA1D" blockId="5.[151,1437,215,2027]" pageId="5" pageNumber="273">Elytra: Elongate oval, broadest at middle, subparallel over anterior 0.5 then attenuated to acuminate, rounded apices. Apical angles rounded, slightly emarginated around suture. Punctures of elytral series relatively coarse, larger in anterior 0.5 and smaller and shallower posteriorly. Serial punctures with fine decumbent setae, not usually reaching next puncture in row. Weakly striate impressed on disc, especially series 1 and 2. Series 1 and 2 confluent immediately behind posterior declivity, at ca. 0.65 of length; series 5 and 6 confluent anteriorly, at ca. 0.25 of length. Intervals shining, with weak granules, bearing long, white, recumbent to decumbent setae.</paragraph>
|
||
<paragraph id="8B9419397E1CFB4FFF43FA2FFAB1FA39" blockId="5.[151,1437,215,2027]" box="[199,1328,1430,1456]" pageId="5" pageNumber="273">Legs: Apical protarsomere with two stout ventral setae; basal three protarsomeres with suction setae.</paragraph>
|
||
<paragraph id="8B9419397E1CFB4FFF43FA0DFCF7FA45" blockId="5.[151,1437,215,2027]" box="[199,886,1466,1491]" pageId="5" pageNumber="273">Wings: Reduced, approx. 0.5 length of elytra when extended.</paragraph>
|
||
<paragraph id="8B9419397E1CFB4FFF43FA68FDD7F8E9" blockId="5.[151,1437,215,2027]" pageId="5" pageNumber="273">Venter: Mentum weakly shining, with rugulose microreticulation, meshes elongate along lateral margins and isodiametric in centre; surface with scattered, erect setae, particularly around front margins. Submentum with transverse microreticulation and scattered medium punctures with long recumbent setae. Genae shining, with transverse microreticulation anteriorly, covered with dense hydrofuge vestiture posteriorly. Gula weakly shining, with weak transverse microreticulation. Prosternum with glabrous ridge anteriorly, covered with transverse microreticulation and metaventrite covered with dense hydrofuge vestiture. Pronotal hypomeron broad, weakly shining with fine isodiametric microreticulation. Mesoventral plaques glabrous, forming inverted Y; admedian and adlateral ridges visible but weak. Metaventrite with shallow, elongate median fovea over posterior 0.5 and shallow oval depressions below mesocoxae; posterior margin emarginated at centre, here devoid of hydrofuge vestiture. Abdominal ventrite 5 with dense hydrofuge vestiture over anterior 0.65; glabrous posteriorly, with transverse microreticulation. Abdominal ventrite 6 entirely glabrous with weak transverse microreticulation and an irregular transverse row of long recumbent setae.</paragraph>
|
||
<paragraph id="8B9419397E1CFB4FFF43F83CFB84F87D" blockId="5.[151,1437,215,2027]" pageId="5" pageNumber="273">
|
||
Aedeagus: Elongate, parameres attached near the base. Parameres extend beyond the main piece, to approximately 0.5 length of distal lobe. Main piece with strong, elongate tooth on left side in ventral view. Distal lobe elongate, narrow, strongly angled to the left in ventral view (see
|
||
<figureCitation id="131005BC7E1CFB4FFC24F865FC76F87D" box="[928,1015,2002,2027]" captionStart="FIGURE 2" captionStartId="3.[151,250,1074,1096]" captionTargetBox="[168,1356,198,982]" captionTargetId="figure@3.[153,1433,193,1053]" captionTargetPageId="3" captionText="FIGURE 2. Mesoceration species, paratype aedeagi. A) Mesoceration explanatum sp. nov.; B) Mesoceration piketbergense sp. nov. Scale bar = 0.1 mm." httpUri="https://zenodo.org/record/2624357/files/figure.png" pageId="5" pageNumber="273">Fig. 2B</figureCitation>
|
||
).
|
||
</paragraph>
|
||
<paragraph id="8B9419397E1FFB4CFF43FF20FD3BFF6E" blockId="6.[151,1436,151,789]" pageId="6" pageNumber="274">Female: Broader than male, especially on elytra, with more broadly explanate lateral margins. Elytral apex more strongly acuminate. Abdominal ventrite 5 with broad, glabrous patch with weak transverse microreticulation over central 0.5, tumid laterally at apical margin.</paragraph>
|
||
<paragraph id="8B9419397E1FFB4CFF43FEB3FCBBFE8B" blockId="6.[151,1436,151,789]" box="[199,826,260,285]" pageId="6" pageNumber="274">
|
||
Variation: Some specimens slightly paler than
|
||
<typeStatus id="5490A79B7E1FFB4CFD54FEB3FCB7FE8B" box="[720,822,260,285]" pageId="6" pageNumber="274" type="holotype">holotype</typeStatus>
|
||
.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="C3314AB27E1FFB4CFF43FE90FCE7FDAA" pageId="6" pageNumber="274" type="diagnosis">
|
||
<paragraph id="8B9419397E1FFB4CFF43FE90FCE7FDAA" blockId="6.[151,1436,151,789]" pageId="6" pageNumber="274">
|
||
<emphasis id="B95FC52B7E1FFB4CFF43FE90FE48FED6" bold="true" box="[199,457,295,320]" pageId="6" pageNumber="274">Differential diagnosis</emphasis>
|
||
. A member of the
|
||
<emphasis id="B95FC52B7E1FFB4CFD28FE9FFC9BFED6" box="[684,794,296,320]" italics="true" pageId="6" pageNumber="274">endroedyi</emphasis>
|
||
group
|
||
<emphasis id="B95FC52B7E1FFB4CFCF4FE9EFC2FFED6" box="[880,942,297,320]" italics="true" pageId="6" pageNumber="274">sensu</emphasis>
|
||
<bibRefCitation id="EFBA64C87E1FFB4CFC3CFE90FAC5FED6" author="Perkins, P. D. & Balfour-Browne, J." box="[952,1348,295,320]" pageId="6" pageNumber="274" pagination="1 - 159" refId="ref3703" refString="Perkins, P. D. & Balfour-Browne, J. (1994) A contribution to the taxonomy of aquatic and humicolous beetles of the family Hydraenidae in southern Africa. Fieldiana Zoology, 77, 1 - 159." type="journal article" year="1994">Perkins & Balfour-Browne (1994)</bibRefCitation>
|
||
. In this work the species would key to
|
||
<taxonomicName id="4C2B62BA7E1FFB4CFE72FEFAFB12FEF2" authority="Perkins & Balfour-Browne, 1994" authorityName="Perkins & Balfour-Browne" authorityYear="1994" box="[502,1171,332,357]" class="Insecta" family="Hydraenidae" genus="Mesoceration" higherTaxonomySource="GBIF" kingdom="Animalia" order="Coleoptera" pageId="6" pageNumber="274" phylum="Arthropoda" rank="species" species="concessum">
|
||
<emphasis id="B95FC52B7E1FFB4CFE72FEFAFC90FEF2" box="[502,785,333,356]" italics="true" pageId="6" pageNumber="274">Mesoceration concessum</emphasis>
|
||
<bibRefCitation id="EFBA64C87E1FFB4CFC9DFEFBFB12FEF2" author="Perkins, P. D. & Balfour-Browne, J." box="[793,1171,332,357]" pageId="6" pageNumber="274" pagination="1 - 159" refId="ref3703" refString="Perkins, P. D. & Balfour-Browne, J. (1994) A contribution to the taxonomy of aquatic and humicolous beetles of the family Hydraenidae in southern Africa. Fieldiana Zoology, 77, 1 - 159." type="journal article" year="1994">Perkins & Balfour-Browne, 1994</bibRefCitation>
|
||
</taxonomicName>
|
||
, being apparently close to this species and
|
||
<taxonomicName id="4C2B62BA7E1FFB4CFEEBFEC7FC96FE1E" authority="Perkins, 2008" authorityName="Perkins" authorityYear="2008" box="[367,791,367,392]" class="Insecta" family="Hydraenidae" genus="Mesoceration" higherTaxonomySource="GBIF" kingdom="Animalia" order="Coleoptera" pageId="6" pageNumber="274" phylum="Arthropoda" rank="species" species="tabulare">
|
||
<emphasis id="B95FC52B7E1FFB4CFEEBFEC7FDF1FE1E" box="[367,624,368,392]" italics="true" pageId="6" pageNumber="274">Mesoceration tabulare</emphasis>
|
||
<bibRefCitation id="EFBA64C87E1FFB4CFDFCFED8FC96FE1E" author="Perkins, P. D." box="[632,791,367,392]" pageId="6" pageNumber="274" pagination="1 - 124" refId="ref3666" refString="Perkins, P. D. (2008). New species and new collection records of Prosthetopine water beetles from southern Africa (Coleoptera: Hydraenidae). Zootaxa, 1864, 1 - 124." type="journal article" year="2008">Perkins, 2008</bibRefCitation>
|
||
</taxonomicName>
|
||
.
|
||
<taxonomicName id="4C2B62BA7E1FFB4CFCA6FEC6FC65FE1E" authority="Bilton & Mlambo, 2019" authorityName="Bilton & Mlambo" authorityYear="2019" box="[802,996,368,392]" class="Insecta" family="Hydraenidae" genus="Mesoceration" higherTaxonomySource="GBIF" kingdom="Animalia" order="Coleoptera" pageId="6" pageNumber="274" phylum="Arthropoda" rank="species" species="piketbergense" status="sp. nov.">
|
||
<emphasis id="B95FC52B7E1FFB4CFCA6FEC6FC65FE1E" box="[802,996,368,392]" italics="true" pageId="6" pageNumber="274">M. piketbergense</emphasis>
|
||
</taxonomicName>
|
||
<taxonomicNameLabel id="A26C78507E1FFB4CFC68FED8FBC7FE1E" box="[1004,1094,367,392]" pageId="6" pageNumber="274" rank="species">
|
||
<emphasis id="B95FC52B7E1FFB4CFC68FED8FBC7FE1E" bold="true" box="[1004,1094,367,392]" pageId="6" pageNumber="274">sp. nov.</emphasis>
|
||
</taxonomicNameLabel>
|
||
differs from
|
||
<taxonomicName id="4C2B62BA7E1FFB4CFB5AFEC6FAFCFE1E" authorityName="Perkins & Balfour-Browne" authorityYear="1994" box="[1246,1405,369,392]" class="Insecta" family="Hydraenidae" genus="Mesoceration" higherTaxonomySource="GBIF" kingdom="Animalia" order="Coleoptera" pageId="6" pageNumber="274" phylum="Arthropoda" rank="species" species="concessum">
|
||
<emphasis id="B95FC52B7E1FFB4CFB5AFEC6FAFCFE1E" box="[1246,1405,369,392]" italics="true" pageId="6" pageNumber="274">M. concessum</emphasis>
|
||
</taxonomicName>
|
||
in having a more strongly microreticulate pronotum, which is granulate on the reliefs, and denser, coarser punctures on the frons and vertex. In the new species the granules of the elytral intervals are smaller than those in
|
||
<taxonomicName id="4C2B62BA7E1FFB4CFAF9FE0EFE91FE62" authorityName="Perkins & Balfour-Browne" authorityYear="1994" class="Insecta" family="Hydraenidae" genus="Mesoceration" higherTaxonomySource="GBIF" kingdom="Animalia" order="Coleoptera" pageId="6" pageNumber="274" phylum="Arthropoda" rank="species" species="concessum">
|
||
<emphasis id="B95FC52B7E1FFB4CFAF9FE0EFE91FE62" italics="true" pageId="6" pageNumber="274">M. concessum</emphasis>
|
||
</taxonomicName>
|
||
, being closer in this character to
|
||
<taxonomicName id="4C2B62BA7E1FFB4CFD05FE6AFC82FE62" authorityName="Perkins" authorityYear="2008" box="[641,771,476,500]" class="Insecta" family="Hydraenidae" genus="Mesoceration" higherTaxonomySource="GBIF" kingdom="Animalia" order="Coleoptera" pageId="6" pageNumber="274" phylum="Arthropoda" rank="species" species="tabulare">
|
||
<emphasis id="B95FC52B7E1FFB4CFD05FE6AFC82FE62" box="[641,771,476,500]" italics="true" pageId="6" pageNumber="274">M. tabulare</emphasis>
|
||
</taxonomicName>
|
||
. The three species can readily be distinguished on aedeagal characters, particularly details of the apex of the main piece and the shape of the distal lobe. All three species are brachypterous (
|
||
<bibRefCitation id="EFBA64C87E1FFB4CFEC0FD93FD36FDAA" author="Perkins, P. D. & Balfour-Browne, J." box="[324,695,548,573]" pageId="6" pageNumber="274" pagination="1 - 159" refId="ref3703" refString="Perkins, P. D. & Balfour-Browne, J. (1994) A contribution to the taxonomy of aquatic and humicolous beetles of the family Hydraenidae in southern Africa. Fieldiana Zoology, 77, 1 - 159." type="journal article" year="1994">Perkins & Balfour-Browne 1994</bibRefCitation>
|
||
;
|
||
<bibRefCitation id="EFBA64C87E1FFB4CFD46FD93FCDBFDAA" author="Perkins, P. D." box="[706,858,548,573]" pageId="6" pageNumber="274" pagination="1 - 124" refId="ref3666" refString="Perkins, P. D. (2008). New species and new collection records of Prosthetopine water beetles from southern Africa (Coleoptera: Hydraenidae). Zootaxa, 1864, 1 - 124." type="journal article" year="2008">Perkins 2008</bibRefCitation>
|
||
).
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="C3314AB27E1FFB4CFF43FDF0FE29FD66" pageId="6" pageNumber="274" type="distribution">
|
||
<paragraph id="8B9419397E1FFB4CFF43FDF0FEE1FDC9" blockId="6.[151,1436,151,789]" box="[199,352,583,608]" pageId="6" pageNumber="274">
|
||
<emphasis id="B95FC52B7E1FFB4CFF43FDF0FED8FDF6" bold="true" box="[199,345,583,608]" pageId="6" pageNumber="274">Distribution</emphasis>
|
||
.
|
||
</paragraph>
|
||
<paragraph id="8B9419397E1FFB4CFF43FDDBFE29FD66" blockId="6.[151,1436,151,789]" pageId="6" pageNumber="274">
|
||
So far only known from the Piketberg range, a westerly outlier of the north-south trending mountains of the
|
||
<collectingRegion id="49EFD7DB7E1FFB4CFF13FD27FE21FD3E" box="[151,416,655,680]" country="South Africa" name="Western Cape" pageId="6" pageNumber="274">Western Cape Province</collectingRegion>
|
||
,
|
||
<collectingCountry id="F33C59A97E1FFB4CFE28FD38FDBEFD3E" box="[428,575,655,680]" name="South Africa" pageId="6" pageNumber="274">South Africa</collectingCountry>
|
||
. Here it was found in only one of the four streams sampled in 2015, where it was, however, abundant. As with
|
||
<taxonomicName id="4C2B62BA7E1FFB4CFD97FD02FD30FD5A" authorityName="Perkins & Balfour-Browne" authorityYear="1994" box="[531,689,693,716]" class="Insecta" family="Hydraenidae" genus="Mesoceration" higherTaxonomySource="GBIF" kingdom="Animalia" order="Coleoptera" pageId="6" pageNumber="274" phylum="Arthropoda" rank="species" species="concessum">
|
||
<emphasis id="B95FC52B7E1FFB4CFD97FD02FD30FD5A" box="[531,689,693,716]" italics="true" pageId="6" pageNumber="274">M. concessum</emphasis>
|
||
</taxonomicName>
|
||
and
|
||
<taxonomicName id="4C2B62BA7E1FFB4CFD6CFD02FCEDFD5A" authorityName="Perkins" authorityYear="2008" box="[744,876,692,716]" class="Insecta" family="Hydraenidae" genus="Mesoceration" higherTaxonomySource="GBIF" kingdom="Animalia" order="Coleoptera" pageId="6" pageNumber="274" phylum="Arthropoda" rank="species" species="tabulare">
|
||
<emphasis id="B95FC52B7E1FFB4CFD6CFD02FCEDFD5A" box="[744,876,692,716]" italics="true" pageId="6" pageNumber="274">M. tabulare</emphasis>
|
||
</taxonomicName>
|
||
, the species brachyptery may explain its apparent geographical restriction.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="C3314AB27E1FFB4CFF43FD4BFB59FC83" box="[199,1240,764,789]" pageId="6" pageNumber="274" type="etymology">
|
||
<paragraph id="8B9419397E1FFB4CFF43FD4BFB59FC83" blockId="6.[151,1436,151,789]" box="[199,1240,764,789]" pageId="6" pageNumber="274">
|
||
<emphasis id="B95FC52B7E1FFB4CFF43FD4BFEC7FC83" bold="true" box="[199,326,764,789]" pageId="6" pageNumber="274">Etymology</emphasis>
|
||
. Named in reference to the Piketberg range, in which the
|
||
<typeStatus id="5490A79B7E1FFB4CFC49FD4AFC7CFC83" box="[973,1021,765,789]" pageId="6" pageNumber="274">type</typeStatus>
|
||
locality is situated.
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |