treatments-xml/data/03/E5/D6/03E5D649B47ADE24DBF7FD10FD1A0445.xml
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<document id="024F8C105890B9C5BDDA16EB7D613E34" ID-DOI="10.11646/zootaxa.4743.1.4" ID-GBIF-Dataset="71f9dd38-f9b3-432d-87d0-f3428ac1f0be" ID-ISSN="1175-5326" ID-Zenodo-Dep="3687626" ID-ZooBank="63D7BE74-E248-4D1E-92A7-D5288170DB13" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.taxonomicNames_approvedBy="felipe" checkinTime="1582708773168" checkinUser="plazi" docAuthor="Benetti, Cesar J., Michat, Mariano C. &amp; Hamada, Neusa" docDate="2020" docId="03E5D649B47ADE24DBF7FD10FD1A0445" docLanguage="en" docName="zootaxa.4743.1.4.pdf" docOrigin="Zootaxa 4743 (1)" docStyle="DocumentStyle:647186512141C8FC8976D5BCC54AEB7D.9:Zootaxa.2013-.journal_article" docStyleId="647186512141C8FC8976D5BCC54AEB7D" docStyleName="Zootaxa.2013-.journal_article" docStyleVersion="9" docTitle="Hydrodessus ducke Benetti &amp; Michat &amp; Hamada 2020, sp. n." docType="treatment" docVersion="7" lastPageNumber="49" masterDocId="FFDCAE31B47BDE26DB60FFC9FFB30176" masterDocTitle="Hydrodessus ducke sp. n. and new records of other species of the genus (Coleoptera, Dytiscidae, Bidessini)" masterLastPageNumber="60" masterPageNumber="47" pageNumber="48" updateTime="1698721329635" updateUser="plazi" zenodo-license-document="CLOSED">
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<mods:title id="BB2802112D5B0C9A53105C7CEB1C1BBE">Hydrodessus ducke sp. n. and new records of other species of the genus (Coleoptera, Dytiscidae, Bidessini)</mods:title>
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<mods:namePart id="AEBB21FD31888872B2F79E3AC31F5647">Benetti, Cesar J.</mods:namePart>
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<mods:namePart id="4C2A2AAC01FBE0FB84A459A98C63865B">Michat, Mariano C.</mods:namePart>
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<mods:namePart id="F626880B63FE37480954BBA488006F93">Hamada, Neusa</mods:namePart>
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<mods:title id="CAC43FEB3E8F399DC676320FA1886FE5">Zootaxa</mods:title>
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<mods:date id="3E6AFA3CBC35602B9F2C5F5D09293E36">2020</mods:date>
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<treatment id="03E5D649B47ADE24DBF7FD10FD1A0445" ID-DOI="http://doi.org/10.5281/zenodo.3688159" ID-GBIF-Taxon="162267418" ID-Zenodo-Dep="3688159" LSID="urn:lsid:plazi:treatment:03E5D649B47ADE24DBF7FD10FD1A0445" httpUri="http://treatment.plazi.org/id/03E5D649B47ADE24DBF7FD10FD1A0445" lastPageId="2" lastPageNumber="49" pageId="1" pageNumber="48">
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<heading id="D0BBD033B47ADE27DBF7FD10FE780385" bold="true" box="[151,459,729,756]" fontSize="11" level="1" pageId="1" pageNumber="48" reason="1">
<emphasis id="B938BB4DB47ADE27DBF7FD10FE780385" bold="true" box="[151,459,729,756]" pageId="1" pageNumber="48">
<taxonomicName id="4C4C1CDCB47ADE27DBF7FD10FE320382" ID-CoL="8LZWR" authority="Benetti &amp; Michat &amp; Hamada, 2020" authorityName="Benetti &amp; Michat &amp; Hamada" authorityYear="2020" box="[151,385,729,756]" class="Insecta" family="Dytiscidae" genus="Hydrodessus" kingdom="Animalia" order="Coleoptera" pageId="1" pageNumber="48" phylum="Arthropoda" rank="species" species="ducke" status="sp. nov.">
<emphasis id="B938BB4DB47ADE27DBF7FD10FE320382" bold="true" box="[151,385,729,756]" italics="true" pageId="1" pageNumber="48">Hydrodessus ducke</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A20B0636B47ADE27DAE8FD10FE780385" box="[392,459,729,755]" pageId="1" pageNumber="48" rank="species">sp. n.</taxonomicNameLabel>
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<paragraph id="8BF3675FB47ADE27DBF7FD34FE010261" blockId="1.[151,459,729,791]" box="[151,434,764,791]" pageId="1" pageNumber="48">
(
<figureCitation id="13777BDAB47ADE27DBFFFD34FEB70261" box="[159,260,765,791]" captionStart="FIGURES 14" captionStartId="8.[151,264,1945,1970]" captionTargetBox="[202,1406,263,1866]" captionTargetId="figure@8.[151,1435,181,1920]" captionTargetPageId="8" captionText="FIGURES 14. Hydrodessus species. (12) H. ducke sp. n., holotype male; (34) H. latotibialis, male from Brazil. (1, 3) habitus, dorsal aspect; (2, 4) habitus, ventral aspect. Scale bars = 1 mm." figureDoi="http://doi.org/10.5281/zenodo.3687628" httpUri="https://zenodo.org/record/3687628/files/figure.png" pageId="1" pageNumber="48">Figs 1, 2</figureCitation>
,
<figureCitation id="13777BDAB47ADE27DA70FD35FE8F0261" box="[272,316,764,791]" captionStart="FIGURES 58" captionStartId="9.[151,264,1945,1970]" captionTargetBox="[202,1386,195,1909]" captionTargetId="figure@9.[190,1398,181,1919]" captionTargetPageId="9" captionText="FIGURES 58. Hydrodessus species. (56) H. ducke sp. n., holotype male; (78) H. latotibialis, male from Brazil. (5, 7) right elytron, lateral aspect; (6, 8) prosternal process, metaventrite and metacoxal lobes, ventral aspect. Scale bars = 1 mm." figureDoi="http://doi.org/10.5281/zenodo.3687630" httpUri="https://zenodo.org/record/3687630/files/figure.png" pageId="1" pageNumber="48">5, 6</figureCitation>
,
<figureCitation id="13777BDAB47ADE27DA28FD34FE320261" box="[328,385,765,791]" captionStart="FIGURES 914" captionStartId="10.[151,264,1922,1947]" captionTargetBox="[218,1367,191,1887]" captionTargetId="figure@10.[209,1379,181,1897]" captionTargetPageId="10" captionText="FIGURES 914. Hydrodessus species. (911) H. ducke sp. n., holotype male; (1214) H. latotibialis, male from Brazil. (9, 12) median lobe, right lateral aspect; (10, 13) median lobe, ventral aspect, in detail also a ventral aspect but perpendicularly onto the apex; (11, 14) right lateral lobe, right lateral aspect. Scale bars = 0.2 mm." figureDoi="http://doi.org/10.5281/zenodo.3687632" httpUri="https://zenodo.org/record/3687632/files/figure.png" pageId="1" pageNumber="48">911</figureCitation>
,
<figureCitation id="13777BDAB47ADE27DAEDFD35FE190261" box="[397,426,764,791]" captionStart="FIGURE 15" captionStartId="11.[151,250,1057,1082]" captionTargetBox="[151,1435,181,1032]" captionTargetId="figure@11.[151,1435,181,1032]" captionTargetPageId="11" captionText="FIGURE 15. Hydrodessus species, distributions. Star: H. ducke sp. n.; circle: H. disjunctus; square: H. surinamensis; triangle: H. laetus; hexagon: H. morsus; inverse triangle: H. palus. Open symbols (previous records), solid symbols (new records)." figureDoi="http://doi.org/10.5281/zenodo.3687634" httpUri="https://zenodo.org/record/3687634/files/figure.png" pageId="1" pageNumber="48">15</figureCitation>
)
</paragraph>
</subSubSection>
<subSubSection id="C35634D4B47ADE27DBF7FC8CFEF5052D" pageId="1" pageNumber="48" type="materials_examined">
<paragraph id="8BF3675FB47ADE27DBF7FC8CFE6602F5" blockId="1.[151,1437,836,2016]" pageId="1" pageNumber="48">
<materialsCitation id="3B246D02B47ADE27DBF7FC8CFE6202F5" ID-GBIF-Occurrence="2571175680" country="Brazil" county="Manaus County" latitude="-2.9872222" location="Amazonas State" longLatPrecision="21" longitude="-59.94167" pageId="1" pageNumber="48" specimenCount="1" typeStatus="holotype">
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<typeStatus id="54F7D9FDB47ADE27DBF7FC8CFF610229" box="[151,210,837,863]" pageId="1" pageNumber="48">Type</typeStatus>
locality.
</emphasis>
<collectingCountry id="F35B27CFB47ADE27DA27FC8CFE230229" box="[327,400,837,863]" name="Brazil" pageId="1" pageNumber="48">Brazil</collectingCountry>
:
<location id="8E933184B47ADE27DAFDFC8CFDE80229" LSID="urn:lsid:plazi:treatment:03E5D649B47ADE24DBF7FD10FD1A0445:8E933184B47ADE27DAFDFC8CFDE80229" box="[413,603,837,863]" country="Brazil" county="Manaus County" latitude="-2.9872222" longLatPrecision="21" longitude="-59.94167" name="Amazonas State" pageId="1" pageNumber="48">Amazonas State</location>
,
<collectingCounty id="62921FD3B47ADE27D90BFC8CFC970229" box="[619,804,837,863]" pageId="1" pageNumber="48">Manaus County</collectingCounty>
, “Reserva Florestal Adolpho Ducke, Igarapé
<collectingCountry id="F35B27CFB47ADE27DE5DFC8CFA210229" box="[1341,1426,837,863]" name="Bolivia" pageId="1" pageNumber="48">Bolívia</collectingCountry>
” (
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)
</materialsCitation>
.
</paragraph>
<paragraph id="8BF3675FB47ADE27DBA7FC44FEF5052D" blockId="1.[151,1437,836,2016]" pageId="1" pageNumber="48">
<emphasis id="B938BB4DB47ADE27DBA7FC44FECB02D1" bold="true" box="[199,376,908,935]" pageId="1" pageNumber="48">Type material.</emphasis>
<materialsCitation id="3B246D02B47ADE27DAE2FC44FC6A0299" ID-GBIF-Occurrence="2571175711" collectingDate="2008-11-06" collectionCode="INPA" collectorName="U. Neiss &amp; Neiss, F &amp; Sales, P" country="Brazil" county="Manaus County" elevation="65" latitude="-2.9872222" location="Amazonas State" longLatPrecision="21" longitude="-59.94167" pageId="1" pageNumber="48" specimenCount="1" specimenCount-male="1" typeStatus="holotype">
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<typeStatus id="54F7D9FDB47ADE27DAE2FC44FE5C02D1" box="[386,495,909,935]" pageId="1" pageNumber="48" type="holotype">Holotype</typeStatus>
</emphasis>
<specimenCount id="9D4AACD6B47ADE27DA9AFC44FDA102D1" box="[506,530,909,935]" pageId="1" pageNumber="48" type="male"></specimenCount>
:
<collectingCountry id="F35B27CFB47ADE27D941FC44FDD902D1" box="[545,618,909,935]" name="Brazil" pageId="1" pageNumber="48">Brazil</collectingCountry>
:
<location id="8E933184B47ADE27D916FC44FC8202D1" LSID="urn:lsid:plazi:treatment:03E5D649B47ADE24DBF7FD10FD1A0445:8E933184B47ADE27D916FC44FC8202D1" box="[630,817,909,935]" country="Brazil" county="Manaus County" latitude="-2.9872222" longLatPrecision="21" longitude="-59.94167" name="Amazonas State" pageId="1" pageNumber="48">Amazonas State</location>
,
<collectingCounty id="62921FD3B47ADE27D85FFC44FC4502D1" box="[831,1014,909,935]" pageId="1" pageNumber="48">Manaus County</collectingCounty>
, “Reserva Florestal Adolpho Ducke, Igarapé
<collectingCountry id="F35B27CFB47ADE27DB91FC78FEF502BD" box="[241,326,945,971]" name="Bolivia" pageId="1" pageNumber="48">Bolívia</collectingCountry>
” (
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<geoCoordinate id="EE780198B47ADE27DA88FC79FD3402BD" box="[488,647,944,971]" degrees="059" direction="west" minutes="56" orientation="longitude" pageId="1" pageNumber="48" precision="15" seconds="30" value="-59.94167">059º5630”W</geoCoordinate>
);
<elevation id="0061806CB47ADE27D9FAFC79FCBD02BD" box="[666,782,944,971]" metricMagnitude="1" metricUnit="m" metricValue="6.5" pageId="1" pageNumber="48" unit="m" value="65.0">
<quantity id="4CB4CABAB47ADE27D9FAFC79FD6102BD" box="[666,722,944,971]" metricMagnitude="1" metricUnit="m" metricValue="6.5" pageId="1" pageNumber="48" unit="m" value="65.0">65 m</quantity>
a.s.l.
</elevation>
; 25ºC temp., 14 conductivity, 4.9 pH, sandy stream, forest;
<date id="FFF2419FB47ADE27DBF7FC1CFEA10299" box="[151,274,981,1007]" pageId="1" pageNumber="48" value="2008-11-06">
<collectingDate id="EFB6B877B47ADE27DBF7FC1CFEA10299" box="[151,274,981,1007]" pageId="1" pageNumber="48" value="2008-11-06">06.xi.2008</collectingDate>
</date>
; leg.
<collectorName id="26B90289B47ADE27DA32FC1CFE040299" box="[338,439,981,1007]" pageId="1" pageNumber="48">U. Neiss</collectorName>
, F.
<collectorName id="26B90289B47ADE27DA81FC1CFD8F0299" box="[481,572,981,1007]" pageId="1" pageNumber="48">Sales, P</collectorName>
. Vilela (
<collectionCode id="ED5DFF9AB47ADE27D9FBFC1CFD520299" box="[667,737,981,1007]" country="Brazil" httpUri="http://grbio.org/cool/rm88-499z" name="Instituto Nacional de Pesquisas da Amazonia" pageId="1" pageNumber="48">INPA</collectionCode>
). [red
<typeStatus id="54F7D9FDB47ADE27D84BFC1CFC3E0299" box="[811,909,981,1007]" pageId="1" pageNumber="48" type="holotype">holotype</typeStatus>
label]
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.
<materialsCitation id="3B246D02B47ADE27D886FC1CFEF1052D" ID-GBIF-Occurrence="2571175712" collectingDate="2002-08-14" collectingDateMax="2015-07-02" collectingDateMin="2002-08-14" collectionCode="INPA" collectorName="C. Benetti &amp; A. Pes &amp; Pes, G &amp; Gomes, P &amp; Barcelos, W" country="Brazil" county="Manaus County" elevation="68" latitude="-2.9933333" location="Reserva Florestal Adolpho Ducke" longLatPrecision="21" longitude="-59.890278" municipality="Igarape do Ipiranga" pageId="1" pageNumber="48" specimenCount="3" specimenCount-male="3" typeStatus="paratype">
<emphasis id="B938BB4DB47ADE27D886FC1CFB230299" bold="true" box="[998,1168,980,1007]" pageId="1" pageNumber="48">
<typeStatus id="54F7D9FDB47ADE27D886FC1CFBED0299" box="[998,1118,981,1007]" pageId="1" pageNumber="48" type="paratype">Paratypes</typeStatus>
(7):
</emphasis>
same data as holotype, except
<date id="FFF2419FB47ADE27DB88FC30FEC00565" box="[232,371,1017,1043]" pageId="1" pageNumber="48" value="2002-08-14">
<collectingDate id="EFB6B877B47ADE27DB88FC30FEC00565" box="[232,371,1017,1043]" pageId="1" pageNumber="48" value="2002-08-14">14.viii.2002</collectingDate>
</date>
; leg.
<collectorName id="26B90289B47ADE27DAD1FC30FD970565" box="[433,548,1017,1043]" pageId="1" pageNumber="48">C. Benetti</collectorName>
[red
<typeStatus id="54F7D9FDB47ADE27D901FC30FD720565" box="[609,705,1017,1043]" pageId="1" pageNumber="48" type="paratype">paratype</typeStatus>
label]; “
<location id="8E933184B47ADE27D842FC30FB150565" LSID="urn:lsid:plazi:treatment:03E5D649B47ADE24DBF7FD10FD1A0445:8E933184B47ADE27D842FC30FB150565" box="[802,1190,1017,1043]" latitude="-2.9933333" longLatPrecision="21" longitude="-59.890278" municipality="Igarape do Ipiranga" name="Reserva Florestal Adolpho Ducke" pageId="1" pageNumber="48">Reserva Florestal Adolpho Ducke</location>
,
<collectingMunicipality id="6B97FD25B47ADE27DFD2FC30FA210565" box="[1202,1426,1017,1043]" pageId="1" pageNumber="48">Igarapé do Ipiranga</collectingMunicipality>
” (
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<geoCoordinate id="EE780198B47ADE27DA49FBD5FE090541" box="[297,442,1052,1079]" degrees="59" direction="west" minutes="53" orientation="longitude" pageId="1" pageNumber="48" precision="15" seconds="25" value="-59.890278">59º5325”W</geoCoordinate>
);
<elevation id="0061806CB47ADE27DAADFBD4FDF00541" box="[461,579,1053,1079]" metricMagnitude="1" metricUnit="m" metricValue="6.8" pageId="1" pageNumber="48" unit="m" value="68.0">
<quantity id="4CB4CABAB47ADE27DAADFBD4FDB50541" box="[461,518,1053,1079]" metricMagnitude="1" metricUnit="m" metricValue="6.8" pageId="1" pageNumber="48" unit="m" value="68.0">68 m</quantity>
a.s.l.
</elevation>
;
<date id="FFF2419FB47ADE27D92FFBD5FD620541" box="[591,721,1052,1079]" pageId="1" pageNumber="48" value="2015-07-02">
<collectingDate id="EFB6B877B47ADE27D92FFBD5FD620541" box="[591,721,1052,1079]" pageId="1" pageNumber="48" value="2015-07-02">02.vii.2015</collectingDate>
</date>
; leg.
<collectorName id="26B90289B47ADE27D86BFBD4FCE50541" box="[779,854,1053,1079]" pageId="1" pageNumber="48">A. Pes</collectorName>
, G.
<collectorName id="26B90289B47ADE27D8E2FBD4FC5C0541" box="[898,1007,1053,1079]" pageId="1" pageNumber="48">Gomes, P</collectorName>
.
<collectorName id="26B90289B47ADE27D899FBD4FB370541" box="[1017,1156,1053,1079]" pageId="1" pageNumber="48">Barcelos, W</collectorName>
. Xavier (
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,
<specimenCount id="9D4AACD6B47ADE27DE56FBD4FAEC0541" box="[1334,1375,1053,1079]" pageId="1" pageNumber="48" type="male">3 ♂</specimenCount>
) [red
<typeStatus id="54F7D9FDB47ADE27DBF7FB88FF44052D" box="[151,247,1089,1115]" pageId="1" pageNumber="48" type="paratype">paratype</typeStatus>
label]
</materialsCitation>
.
</paragraph>
</subSubSection>
<subSubSection id="C35634D4B47ADE27DBA7FBADFEDA0421" pageId="1" pageNumber="48" type="diagnosis">
<paragraph id="8BF3675FB47ADE27DBA7FBADFEDA0421" blockId="1.[151,1437,836,2016]" pageId="1" pageNumber="48">
<emphasis id="B938BB4DB47ADE27DBA7FBADFEF10509" bold="true" box="[199,322,1124,1151]" pageId="1" pageNumber="48">Diagnosis.</emphasis>
<taxonomicName id="4C4C1CDCB47ADE27DA2AFBACFD970509" authority="Benetti &amp; Michat &amp; Hamada, 2020" authorityName="Benetti &amp; Michat &amp; Hamada" authorityYear="2020" box="[330,548,1125,1151]" class="Insecta" family="Dytiscidae" genus="Hydrodessus" kingdom="Animalia" order="Coleoptera" pageId="1" pageNumber="48" phylum="Arthropoda" rank="species" species="ducke" status="sp. nov.">
<emphasis id="B938BB4DB47ADE27DA2AFBACFD970509" box="[330,548,1125,1151]" italics="true" pageId="1" pageNumber="48">Hydrodessus ducke</emphasis>
</taxonomicName>
<emphasis id="B938BB4DB47ADE27D94EFBACFDDC0509" bold="true" box="[558,623,1125,1151]" pageId="1" pageNumber="48">
<taxonomicNameLabel id="A20B0636B47ADE27D94EFBACFDDC0509" box="[558,623,1125,1151]" pageId="1" pageNumber="48" rank="species">sp. n.</taxonomicNameLabel>
</emphasis>
can be distinguished from other
<taxonomicName id="4C4C1CDCB47ADE27D88CFBACFBCF0509" authorityName="J. Balfour-Browne" authorityYear="1953" box="[1004,1148,1125,1151]" class="Insecta" family="Dytiscidae" genus="Hydrodessus" kingdom="Animalia" order="Coleoptera" pageId="1" pageNumber="48" phylum="Arthropoda" rank="genus">
<emphasis id="B938BB4DB47ADE27D88CFBACFBCF0509" box="[1004,1148,1125,1151]" italics="true" pageId="1" pageNumber="48">Hydrodessus</emphasis>
</taxonomicName>
species by the following combination of characters: body size (total length:
<quantity id="4CB4CABAB47ADE27D9ADFB41FCD605D5" box="[717,869,1160,1187]" metricMagnitude="-3" metricUnit="m" metricValue="2.7249999999999996" metricValueMax="2.8" metricValueMin="2.65" pageId="1" pageNumber="48" unit="mm" value="2.7249999999999996" valueMax="2.8" valueMin="2.65">2.652.8 mm</quantity>
); body outline only slightly discontinuous between pronotum and elytron; coloration evenly dark red-brownish (
<figureCitation id="13777BDAB47ADE27D85CFB64FC1305B1" box="[828,928,1197,1223]" captionStart="FIGURES 14" captionStartId="8.[151,264,1945,1970]" captionTargetBox="[202,1406,263,1866]" captionTargetId="figure@8.[151,1435,181,1920]" captionTargetPageId="8" captionText="FIGURES 14. Hydrodessus species. (12) H. ducke sp. n., holotype male; (34) H. latotibialis, male from Brazil. (1, 3) habitus, dorsal aspect; (2, 4) habitus, ventral aspect. Scale bars = 1 mm." figureDoi="http://doi.org/10.5281/zenodo.3687628" httpUri="https://zenodo.org/record/3687628/files/figure.png" pageId="1" pageNumber="48">Figs 1, 2</figureCitation>
); lateral elytral carina extending to about half length of elytron (
<figureCitation id="13777BDAB47ADE27DA3EFB18FE11059D" box="[350,418,1232,1259]" captionStart="FIGURES 58" captionStartId="9.[151,264,1945,1970]" captionTargetBox="[202,1386,195,1909]" captionTargetId="figure@9.[190,1398,181,1919]" captionTargetPageId="9" captionText="FIGURES 58. Hydrodessus species. (56) H. ducke sp. n., holotype male; (78) H. latotibialis, male from Brazil. (5, 7) right elytron, lateral aspect; (6, 8) prosternal process, metaventrite and metacoxal lobes, ventral aspect. Scale bars = 1 mm." figureDoi="http://doi.org/10.5281/zenodo.3687630" httpUri="https://zenodo.org/record/3687630/files/figure.png" pageId="1" pageNumber="48">Fig. 5</figureCitation>
); prosternal process broad with lateral margins subparallel and apex truncate (
<figureCitation id="13777BDAB47ADE27DE64FB18FAF4059A" box="[1284,1351,1233,1260]" captionStart="FIGURES 58" captionStartId="9.[151,264,1945,1970]" captionTargetBox="[202,1386,195,1909]" captionTargetId="figure@9.[190,1398,181,1919]" captionTargetPageId="9" captionText="FIGURES 58. Hydrodessus species. (56) H. ducke sp. n., holotype male; (78) H. latotibialis, male from Brazil. (5, 7) right elytron, lateral aspect; (6, 8) prosternal process, metaventrite and metacoxal lobes, ventral aspect. Scale bars = 1 mm." figureDoi="http://doi.org/10.5281/zenodo.3687630" httpUri="https://zenodo.org/record/3687630/files/figure.png" pageId="1" pageNumber="48">Fig. 6</figureCitation>
); metaventrite carinae and metacoxal lines approximately continuous (
<figureCitation id="13777BDAB47ADE27D80CFB3CFC010466" box="[876,946,1269,1296]" captionStart="FIGURES 58" captionStartId="9.[151,264,1945,1970]" captionTargetBox="[202,1386,195,1909]" captionTargetId="figure@9.[190,1398,181,1919]" captionTargetPageId="9" captionText="FIGURES 58. Hydrodessus species. (56) H. ducke sp. n., holotype male; (78) H. latotibialis, male from Brazil. (5, 7) right elytron, lateral aspect; (6, 8) prosternal process, metaventrite and metacoxal lobes, ventral aspect. Scale bars = 1 mm." figureDoi="http://doi.org/10.5281/zenodo.3687630" httpUri="https://zenodo.org/record/3687630/files/figure.png" pageId="1" pageNumber="48">Fig. 6</figureCitation>
); median lobe in lateral aspect broadly and evenly curved with rounded apex (
<figureCitation id="13777BDAB47ADE27D97FFAD0FDD00445" box="[543,611,1305,1331]" captionStart="FIGURES 914" captionStartId="10.[151,264,1922,1947]" captionTargetBox="[218,1367,191,1887]" captionTargetId="figure@10.[209,1379,181,1897]" captionTargetPageId="10" captionText="FIGURES 914. Hydrodessus species. (911) H. ducke sp. n., holotype male; (1214) H. latotibialis, male from Brazil. (9, 12) median lobe, right lateral aspect; (10, 13) median lobe, ventral aspect, in detail also a ventral aspect but perpendicularly onto the apex; (11, 14) right lateral lobe, right lateral aspect. Scale bars = 0.2 mm." figureDoi="http://doi.org/10.5281/zenodo.3687632" httpUri="https://zenodo.org/record/3687632/files/figure.png" pageId="1" pageNumber="48">Fig. 9</figureCitation>
), in ventral aspect with lateral margins parallel and apex strongly incised medially (
<figureCitation id="13777BDAB47ADE27DA69FAF4FEEF0421" box="[265,348,1341,1367]" captionStart="FIGURES 914" captionStartId="10.[151,264,1922,1947]" captionTargetBox="[218,1367,191,1887]" captionTargetId="figure@10.[209,1379,181,1897]" captionTargetPageId="10" captionText="FIGURES 914. Hydrodessus species. (911) H. ducke sp. n., holotype male; (1214) H. latotibialis, male from Brazil. (9, 12) median lobe, right lateral aspect; (10, 13) median lobe, ventral aspect, in detail also a ventral aspect but perpendicularly onto the apex; (11, 14) right lateral lobe, right lateral aspect. Scale bars = 0.2 mm." figureDoi="http://doi.org/10.5281/zenodo.3687632" httpUri="https://zenodo.org/record/3687632/files/figure.png" pageId="1" pageNumber="48">Fig. 10</figureCitation>
).
</paragraph>
</subSubSection>
<subSubSection id="C35634D4B47ADE24DBA7FAA9FB1200A5" lastPageId="2" lastPageNumber="49" pageId="1" pageNumber="48" type="description">
<paragraph id="8BF3675FB47ADE27DBA7FAA9FB7C04E9" blockId="1.[151,1437,836,2016]" pageId="1" pageNumber="48">
<emphasis id="B938BB4DB47ADE27DBA7FAA9FEEA040D" bold="true" box="[199,345,1376,1403]" pageId="1" pageNumber="48">Description.</emphasis>
<emphasis id="B938BB4DB47ADE27DA3FFAA8FE0B040D" box="[351,440,1377,1403]" italics="true" pageId="1" pageNumber="48">Habitus</emphasis>
(
<figureCitation id="13777BDAB47ADE27DAA6FAA8FD99040D" box="[454,554,1377,1403]" captionStart="FIGURES 14" captionStartId="8.[151,264,1945,1970]" captionTargetBox="[202,1406,263,1866]" captionTargetId="figure@8.[151,1435,181,1920]" captionTargetPageId="8" captionText="FIGURES 14. Hydrodessus species. (12) H. ducke sp. n., holotype male; (34) H. latotibialis, male from Brazil. (1, 3) habitus, dorsal aspect; (2, 4) habitus, ventral aspect. Scale bars = 1 mm." figureDoi="http://doi.org/10.5281/zenodo.3687628" httpUri="https://zenodo.org/record/3687628/files/figure.png" pageId="1" pageNumber="48">Figs 1, 2</figureCitation>
). Body shape oval, broad, apically slightly acuminate; lateral body outline only slightly discontinuous between pronotum and elytron; elytra apically pointed, slightly dehiscent.
</paragraph>
<paragraph id="8BF3675FB47ADE27DBA7FA63FCBB0491" blockId="1.[151,1437,836,2016]" pageId="1" pageNumber="48">
<emphasis id="B938BB4DB47ADE27DBA7FA63FEDA04B5" box="[199,361,1450,1475]" italics="true" pageId="1" pageNumber="48">Measurements</emphasis>
. TL =
<quantity id="4CB4CABAB47ADE27DADBFA61FDE704B5" box="[443,596,1448,1475]" metricMagnitude="-3" metricUnit="m" metricValue="2.7249999999999996" metricValueMax="2.8" metricValueMin="2.65" pageId="1" pageNumber="48" unit="mm" value="2.7249999999999996" valueMax="2.8" valueMin="2.65">2.652.8 mm</quantity>
, GW =
<quantity id="4CB4CABAB47ADE27D9D1FA61FCE404B5" box="[689,855,1448,1475]" metricMagnitude="-3" metricUnit="m" metricValue="1.4" metricValueMax="1.45" metricValueMin="1.35" pageId="1" pageNumber="48" unit="mm" value="1.4" valueMax="1.45" valueMin="1.35">1.351.45 mm</quantity>
, PW =
<quantity id="4CB4CABAB47ADE27D8CFFA61FBE504B5" box="[943,1110,1448,1475]" metricMagnitude="-3" metricUnit="m" metricValue="1.2" metricValueMax="1.25" metricValueMin="1.15" pageId="1" pageNumber="48" unit="mm" value="1.2" valueMax="1.25" valueMin="1.15">1.151.25 mm</quantity>
, HW =
<quantity id="4CB4CABAB47ADE27DFD3FA61FAF804B5" box="[1203,1355,1448,1475]" metricMagnitude="-4" metricUnit="m" metricValue="7.75" metricValueMax="8.0" metricValueMin="7.5" pageId="1" pageNumber="48" unit="mm" value="0.775" valueMax="0.8" valueMin="0.75">0.750.8 mm</quantity>
, EW =
<quantity id="4CB4CABAB47ADE27DBF7FA05FE9D0491" box="[151,302,1484,1511]" metricMagnitude="-4" metricUnit="m" metricValue="4.25" metricValueMax="4.5" metricValueMin="4.0" pageId="1" pageNumber="48" unit="mm" value="0.425" valueMax="0.45" valueMin="0.4">0.40.45 mm</quantity>
, TL/GW = 1.92.0, HW/EW = 1.691.83.
</paragraph>
<paragraph id="8BF3675FB47ADE27DBA7FA38FBF90759" blockId="1.[151,1437,836,2016]" pageId="1" pageNumber="48">
<emphasis id="B938BB4DB47ADE27DBA7FA38FEF1077D" box="[199,322,1521,1547]" italics="true" pageId="1" pageNumber="48">Coloration</emphasis>
(
<figureCitation id="13777BDAB47ADE27DA34FA38FE0C077D" box="[340,447,1521,1547]" captionStart="FIGURES 14" captionStartId="8.[151,264,1945,1970]" captionTargetBox="[202,1406,263,1866]" captionTargetId="figure@8.[151,1435,181,1920]" captionTargetPageId="8" captionText="FIGURES 14. Hydrodessus species. (12) H. ducke sp. n., holotype male; (34) H. latotibialis, male from Brazil. (1, 3) habitus, dorsal aspect; (2, 4) habitus, ventral aspect. Scale bars = 1 mm." figureDoi="http://doi.org/10.5281/zenodo.3687628" httpUri="https://zenodo.org/record/3687628/files/figure.png" pageId="1" pageNumber="48">Figs 1, 2</figureCitation>
). Head, pronotum and elytra evenly dark red-brownish; antennae, palps and legs redbrownish; venter evenly dark red-brownish with abdominal ventrites slightly lighter.
</paragraph>
<paragraph id="8BF3675FB47ADE24DBA7F9F0FD8C018D" blockId="1.[151,1437,836,2016]" lastBlockId="2.[151,1437,153,1331]" lastPageId="2" lastPageNumber="49" pageId="1" pageNumber="48">
<emphasis id="B938BB4DB47ADE27DBA7F9F0FE630725" box="[199,464,1593,1619]" italics="true" pageId="1" pageNumber="48">Sculpture and structure</emphasis>
. Head broad, short, anterior clypeal margin rounded; surface shiny, covered with fine punctures; microreticulation not visible at 100x; eyes relatively large. Pronotum with lateral margins curved, widest at posterior margin; greatest width of pronotum narrower than elytral base; lateral bead fine; surface shiny with distinctive but weakly marked punctures, coarser than on head; microreticulation not visible at 100x. Elytra elongate, apically pointed and slightly dehiscent, lateral margins evenly curved, greatest width at basal third; lateral carina distinct, extending a little beyond elytral half (
<figureCitation id="13777BDAB47ADE27D99CF924FCF10671" box="[764,834,1772,1799]" captionStart="FIGURES 58" captionStartId="9.[151,264,1945,1970]" captionTargetBox="[202,1386,195,1909]" captionTargetId="figure@9.[190,1398,181,1919]" captionTargetPageId="9" captionText="FIGURES 58. Hydrodessus species. (56) H. ducke sp. n., holotype male; (78) H. latotibialis, male from Brazil. (5, 7) right elytron, lateral aspect; (6, 8) prosternal process, metaventrite and metacoxal lobes, ventral aspect. Scale bars = 1 mm." figureDoi="http://doi.org/10.5281/zenodo.3687630" httpUri="https://zenodo.org/record/3687630/files/figure.png" pageId="1" pageNumber="48">Fig. 5</figureCitation>
); surface shiny with weakly marked punctures, with short setae mainly on apical third; microreticulation not visible at 100x. Ventral surface shiny, densely punctate; microreticulation not visible at 100x. Prosternum medially tectiform and setose; prosternal process broad, lateral margins subparallel, apex truncate (
<figureCitation id="13777BDAB47ADE27D94BF890FDC20602" box="[555,625,1881,1908]" captionStart="FIGURES 58" captionStartId="9.[151,264,1945,1970]" captionTargetBox="[202,1386,195,1909]" captionTargetId="figure@9.[190,1398,181,1919]" captionTargetPageId="9" captionText="FIGURES 58. Hydrodessus species. (56) H. ducke sp. n., holotype male; (78) H. latotibialis, male from Brazil. (5, 7) right elytron, lateral aspect; (6, 8) prosternal process, metaventrite and metacoxal lobes, ventral aspect. Scale bars = 1 mm." figureDoi="http://doi.org/10.5281/zenodo.3687630" httpUri="https://zenodo.org/record/3687630/files/figure.png" pageId="1" pageNumber="48">Fig. 6</figureCitation>
). Metaventral platform not strongly constricted anteriorly; metaventrite with anterior process broad, truncate; metaventrite carinae well-marked, somewhat divergent posteriorly, ending near anterior ends of metacoxal lines (metaventrite carinae and metacoxal lines approximately continuous) (
<figureCitation id="13777BDAB47ADE27DE0FF868FF140696" captionStart="FIGURES 58" captionStartId="9.[151,264,1945,1970]" captionTargetBox="[202,1386,195,1909]" captionTargetId="figure@9.[190,1398,181,1919]" captionTargetPageId="9" captionText="FIGURES 58. Hydrodessus species. (56) H. ducke sp. n., holotype male; (78) H. latotibialis, male from Brazil. (5, 7) right elytron, lateral aspect; (6, 8) prosternal process, metaventrite and metacoxal lobes, ventral aspect. Scale bars = 1 mm." figureDoi="http://doi.org/10.5281/zenodo.3687630" httpUri="https://zenodo.org/record/3687630/files/figure.png" pageId="1" pageNumber="48">Fig. 6</figureCitation>
). Legs shiny, finely punctate; metacoxal lines broadly separated, slightly sinuate, divergent anteriorly but anterior ends somewhat converging; metatrochanter somewhat offset, apically broadly pointed; pro- and mesotibiae moderately slender; metatibia with distinctive posteroapical brush of setae. Abdomen shiny, weakly punctate; ventrite VI apically somewhat narrowly rounded.
</paragraph>
<paragraph id="8BF3675FB479DE24DBA7FECCFB8500FD" blockId="2.[151,1437,153,1331]" pageId="2" pageNumber="49">
<emphasis id="B938BB4DB479DE24DBA7FECCFEDD0069" box="[199,366,261,287]" italics="true" pageId="2" pageNumber="49">Male genitalia</emphasis>
. Median lobe in lateral aspect (
<figureCitation id="13777BDAB479DE24D9B9FECCFCAD0069" box="[729,798,261,287]" captionStart="FIGURES 914" captionStartId="10.[151,264,1922,1947]" captionTargetBox="[218,1367,191,1887]" captionTargetId="figure@10.[209,1379,181,1897]" captionTargetPageId="10" captionText="FIGURES 914. Hydrodessus species. (911) H. ducke sp. n., holotype male; (1214) H. latotibialis, male from Brazil. (9, 12) median lobe, right lateral aspect; (10, 13) median lobe, ventral aspect, in detail also a ventral aspect but perpendicularly onto the apex; (11, 14) right lateral lobe, right lateral aspect. Scale bars = 0.2 mm." figureDoi="http://doi.org/10.5281/zenodo.3687632" httpUri="https://zenodo.org/record/3687632/files/figure.png" pageId="2" pageNumber="49">Fig. 9</figureCitation>
) broadly and evenly curved, basal region broad, medial and distal portions relatively slender, apex rounded; in ventral aspect (
<figureCitation id="13777BDAB479DE24D8D7FEE0FBB90035" box="[951,1034,297,323]" captionStart="FIGURES 914" captionStartId="10.[151,264,1922,1947]" captionTargetBox="[218,1367,191,1887]" captionTargetId="figure@10.[209,1379,181,1897]" captionTargetPageId="10" captionText="FIGURES 914. Hydrodessus species. (911) H. ducke sp. n., holotype male; (1214) H. latotibialis, male from Brazil. (9, 12) median lobe, right lateral aspect; (10, 13) median lobe, ventral aspect, in detail also a ventral aspect but perpendicularly onto the apex; (11, 14) right lateral lobe, right lateral aspect. Scale bars = 0.2 mm." figureDoi="http://doi.org/10.5281/zenodo.3687632" httpUri="https://zenodo.org/record/3687632/files/figure.png" pageId="2" pageNumber="49">Fig. 10</figureCitation>
) broad, lateral margins subparallel, slightly narrowed at basal portion; apex with lateral angles curved, strongly incised medially. Lateral lobes (
<figureCitation id="13777BDAB479DE24DE24FE84FA200011" box="[1348,1427,333,359]" captionStart="FIGURES 914" captionStartId="10.[151,264,1922,1947]" captionTargetBox="[218,1367,191,1887]" captionTargetId="figure@10.[209,1379,181,1897]" captionTargetPageId="10" captionText="FIGURES 914. Hydrodessus species. (911) H. ducke sp. n., holotype male; (1214) H. latotibialis, male from Brazil. (9, 12) median lobe, right lateral aspect; (10, 13) median lobe, ventral aspect, in detail also a ventral aspect but perpendicularly onto the apex; (11, 14) right lateral lobe, right lateral aspect. Scale bars = 0.2 mm." figureDoi="http://doi.org/10.5281/zenodo.3687632" httpUri="https://zenodo.org/record/3687632/files/figure.png" pageId="2" pageNumber="49">Fig. 11</figureCitation>
) broad basally, distally gradually narrowed, apex rounded with series of short setae.
</paragraph>
<paragraph id="8BF3675FB479DE24DBA7FE5CFB1200A5" blockId="2.[151,1437,153,1331]" pageId="2" pageNumber="49">
<emphasis id="B938BB4DB479DE24DBA7FE5CFE2C00D9" box="[199,415,405,431]" italics="true" pageId="2" pageNumber="49">Sexual dimorphism</emphasis>
. Male pro- and mesotarsi IIII slightly broader than in female, ventrally with several large adhesive setae; posteroapical brush of setae on male metatibiae composed of adhesive setae.
</paragraph>
</subSubSection>
<subSubSection id="C35634D4B479DE24DBA7FE14FC5E036D" pageId="2" pageNumber="49" type="etymology">
<paragraph id="8BF3675FB479DE24DBA7FE14FC5E036D" blockId="2.[151,1437,153,1331]" pageId="2" pageNumber="49">
<emphasis id="B938BB4DB479DE24DBA7FE14FEFD0081" bold="true" box="[199,334,477,503]" pageId="2" pageNumber="49">Etymology.</emphasis>
This species is named after the “Reserva Florestal Adolpho Ducke” where the
<typeStatus id="54F7D9FDB479DE24DFAFFE14FB4C0081" box="[1231,1279,477,503]" pageId="2" pageNumber="49">type</typeStatus>
locality is located. The name is a noun in the nominative singular standing in apposition.
</paragraph>
</subSubSection>
<subSubSection id="C35634D4B479DE24DBA7FDEDFD1A0445" pageId="2" pageNumber="49" type="distribution">
<paragraph id="8BF3675FB479DE24DBA7FDEDFB710349" blockId="2.[151,1437,153,1331]" box="[199,1218,548,575]" pageId="2" pageNumber="49">
<emphasis id="B938BB4DB479DE24DBA7FDEDFED20349" bold="true" box="[199,353,548,575]" pageId="2" pageNumber="49">Distribution.</emphasis>
Northern
<collectingCountry id="F35B27CFB479DE24DAB4FDECFDA80349" box="[468,539,549,575]" name="Brazil" pageId="2" pageNumber="49">Brazil</collectingCountry>
, currently only known from the state of Amazonas (
<figureCitation id="13777BDAB479DE24DF01FDECFB060349" box="[1121,1205,548,575]" captionStart="FIGURE 15" captionStartId="11.[151,250,1057,1082]" captionTargetBox="[151,1435,181,1032]" captionTargetId="figure@11.[151,1435,181,1032]" captionTargetPageId="11" captionText="FIGURE 15. Hydrodessus species, distributions. Star: H. ducke sp. n.; circle: H. disjunctus; square: H. surinamensis; triangle: H. laetus; hexagon: H. morsus; inverse triangle: H. palus. Open symbols (previous records), solid symbols (new records)." figureDoi="http://doi.org/10.5281/zenodo.3687634" httpUri="https://zenodo.org/record/3687634/files/figure.png" pageId="2" pageNumber="49">Fig. 15</figureCitation>
).
</paragraph>
<paragraph id="8BF3675FB479DE24DBA7FD81FF5A03F1" blockId="2.[151,1437,153,1331]" pageId="2" pageNumber="49">
<emphasis id="B938BB4DB479DE24DBA7FD81FE990315" bold="true" box="[199,298,584,611]" pageId="2" pageNumber="49">Habitat.</emphasis>
Specimens were collected in shaded forest streams, with sandy bottom and root as substrate, at
<quantity id="4CB4CABAB479DE24DE28FD80FF1E03F1" metricMagnitude="1" metricUnit="m" metricValue="8.75" metricValueMax="10.7" metricValueMin="6.8" pageId="2" pageNumber="49" unit="m" value="87.5" valueMax="107.0" valueMin="68.0">68107 m</quantity>
a.s.l.
</paragraph>
<paragraph id="8BF3675FB479DE24DBA7FD59FD1A0445" blockId="2.[151,1437,153,1331]" pageId="2" pageNumber="49">
<emphasis id="B938BB4DB479DE24DBA7FD59FE0E03DD" bold="true" box="[199,445,656,683]" pageId="2" pageNumber="49">Taxonomic remarks.</emphasis>
<taxonomicName id="4C4C1CDCB479DE24DAA3FD58FD2903DD" authority="Benetti &amp; Michat &amp; Hamada, 2020" authorityName="Benetti &amp; Michat &amp; Hamada" authorityYear="2020" box="[451,666,657,683]" class="Insecta" family="Dytiscidae" genus="Hydrodessus" kingdom="Animalia" order="Coleoptera" pageId="2" pageNumber="49" phylum="Arthropoda" rank="species" species="ducke" status="sp. nov.">
<emphasis id="B938BB4DB479DE24DAA3FD58FD2903DD" box="[451,666,657,683]" italics="true" pageId="2" pageNumber="49">Hydrodessus ducke</emphasis>
</taxonomicName>
<emphasis id="B938BB4DB479DE24D9C1FD58FD5303DD" bold="true" box="[673,736,657,683]" pageId="2" pageNumber="49">
<taxonomicNameLabel id="A20B0636B479DE24D9C1FD58FD5303DD" box="[673,736,657,683]" pageId="2" pageNumber="49" rank="species">sp. n.</taxonomicNameLabel>
</emphasis>
is similar to
<taxonomicName id="4C4C1CDCB479DE24D810FD5BFB2003DD" authority="Miller, 2016" authorityName="Miller" authorityYear="2016" box="[880,1171,657,683]" class="Insecta" family="Dytiscidae" genus="Hydrodessus" kingdom="Animalia" order="Coleoptera" pageId="2" pageNumber="49" phylum="Arthropoda" rank="species" species="continuus">
<emphasis id="B938BB4DB479DE24D810FD5BFC4C03DD" box="[880,1023,658,683]" italics="true" pageId="2" pageNumber="49">H. continuus</emphasis>
<bibRefCitation id="EFDD1AAEB479DE24DF66FD58FB2003DD" author="Miller, K. B." box="[1030,1171,657,683]" pageId="2" pageNumber="49" pagination="45 - 124" refId="ref7727" refString="Miller, K. B. (2016) Revision of the Neotropical diving beetle genus Hydrodessus J. Balfour-Browne, 1953 (Coleoptera, Dytiscidae, Hydroporinae, Bidessini). ZooKeys, 580, 45 - 124. https: // doi. org / 10.3897 / zookeys. 580.8153" type="journal article" year="2016">Miller, 2016</bibRefCitation>
</taxonomicName>
,
<emphasis id="B938BB4DB479DE24DFFEFD5BFAFA03DD" box="[1182,1353,657,683]" italics="true" pageId="2" pageNumber="49">H. concolorans</emphasis>
<bibRefCitation id="EFDD1AAEB479DE24DE30FD58FF6103B9" author="Miller, K. B." pageId="2" pageNumber="49" pagination="45 - 124" refId="ref7727" refString="Miller, K. B. (2016) Revision of the Neotropical diving beetle genus Hydrodessus J. Balfour-Browne, 1953 (Coleoptera, Dytiscidae, Hydroporinae, Bidessini). ZooKeys, 580, 45 - 124. https: // doi. org / 10.3897 / zookeys. 580.8153" type="journal article" year="2016">Miller, 2016</bibRefCitation>
,
<taxonomicName id="4C4C1CDCB479DE24DBBFFD7FFDF703B9" authority="(Guignot, 1957)" baseAuthorityName="Guignot" baseAuthorityYear="1957" box="[223,580,692,719]" class="Insecta" family="Dytiscidae" genus="Hydrodessus" kingdom="Animalia" order="Coleoptera" pageId="2" pageNumber="49" phylum="Arthropoda" rank="species" species="brasiliensis">
<emphasis id="B938BB4DB479DE24DBBFFD7FFE3603B9" box="[223,389,693,719]" italics="true" pageId="2" pageNumber="49">H. brasiliensis</emphasis>
(
<bibRefCitation id="EFDD1AAEB479DE24DAF6FD7CFD8F03B9" author="Guignot, F." box="[406,572,692,719]" pageId="2" pageNumber="49" pagination="33 - 45" refId="ref7627" refString="Guignot, F. (1957) Contribution a la connaissance des dytiscides sudamericaines [Coleopt.]. Revue Francaise d'Entomologie, 24, 33 - 45." type="journal article" year="1957">Guignot, 1957</bibRefCitation>
)
</taxonomicName>
and
<taxonomicName id="4C4C1CDCB479DE24D91FFD7FFC6603B9" authority="(Guignot, 1957)" baseAuthorityName="Guignot" baseAuthorityYear="1957" box="[639,981,692,719]" class="Insecta" family="Dytiscidae" genus="Hydrodessus" kingdom="Animalia" order="Coleoptera" pageId="2" pageNumber="49" phylum="Arthropoda" rank="species" species="octospilus">
<emphasis id="B938BB4DB479DE24D91FFD7FFCA603B9" box="[639,789,693,719]" italics="true" pageId="2" pageNumber="49">H. octospilus</emphasis>
(
<bibRefCitation id="EFDD1AAEB479DE24D846FD7CFC7F03B9" author="Guignot, F." box="[806,972,692,719]" pageId="2" pageNumber="49" pagination="33 - 45" refId="ref7627" refString="Guignot, F. (1957) Contribution a la connaissance des dytiscides sudamericaines [Coleopt.]. Revue Francaise d'Entomologie, 24, 33 - 45." type="journal article" year="1957">Guignot, 1957</bibRefCitation>
)
</taxonomicName>
in having the lateral elytral carina long (more than 1/4 elytral length), prosternal process broad and metaventral platform not strongly constricted anteriorly, but can be differentiated from these species in the pronotum with lateral margins curved, widest at posterior margin, and in the shape of the male genitalia. The new species differs from
<taxonomicName id="4C4C1CDCB479DE24D8D0FCEBFBF1024D" authorityName="Miller" authorityYear="2016" box="[944,1090,802,827]" class="Insecta" family="Dytiscidae" genus="Hydrodessus" kingdom="Animalia" order="Coleoptera" pageId="2" pageNumber="49" phylum="Arthropoda" rank="species" species="continuus">
<emphasis id="B938BB4DB479DE24D8D0FCEBFBF1024D" box="[944,1090,802,827]" italics="true" pageId="2" pageNumber="49">H. continuus</emphasis>
</taxonomicName>
in having the metacoxal lines slightly divergent anteriorly, the lateral elytral carina extending to about half length of elytron and the prosternal process with lateral margins subparallel and not constricted, whereas
<taxonomicName id="4C4C1CDCB479DE24D8C3FCA3FB8002F5" authorityName="Miller" authorityYear="2016" box="[931,1075,874,899]" class="Insecta" family="Dytiscidae" genus="Hydrodessus" kingdom="Animalia" order="Coleoptera" pageId="2" pageNumber="49" phylum="Arthropoda" rank="species" species="continuus">
<emphasis id="B938BB4DB479DE24D8C3FCA3FB8002F5" box="[931,1075,874,899]" italics="true" pageId="2" pageNumber="49">H. continuus</emphasis>
</taxonomicName>
has the metacoxal lines broadly divergent anteriorly, the lateral elytral carina short, about 1/3 length of elytron, and the prosternal process widest at anterior angles, medially constricted. From
<emphasis id="B938BB4DB479DE24D91AFC7BFC9602BD" box="[634,805,945,971]" italics="true" pageId="2" pageNumber="49">H. concolorans</emphasis>
,
<taxonomicName id="4C4C1CDCB479DE24D852FC7BFC6702BD" baseAuthorityName="Guignot" baseAuthorityYear="1957" box="[818,980,945,971]" class="Insecta" family="Dytiscidae" genus="Hydrodessus" kingdom="Animalia" order="Coleoptera" pageId="2" pageNumber="49" phylum="Arthropoda" rank="species" species="brasiliensis">
<emphasis id="B938BB4DB479DE24D852FC7BFC6702BD" box="[818,980,945,971]" italics="true" pageId="2" pageNumber="49">H. brasiliensis</emphasis>
</taxonomicName>
and
<taxonomicName id="4C4C1CDCB479DE24DF68FC7BFB2802BD" baseAuthorityName="Guignot" baseAuthorityYear="1957" box="[1032,1179,945,971]" class="Insecta" family="Dytiscidae" genus="Hydrodessus" kingdom="Animalia" order="Coleoptera" pageId="2" pageNumber="49" phylum="Arthropoda" rank="species" species="octospilus">
<emphasis id="B938BB4DB479DE24DF68FC7BFB2802BD" box="[1032,1179,945,971]" italics="true" pageId="2" pageNumber="49">H. octospilus</emphasis>
</taxonomicName>
the new species differs in having the metacoxal lines continuous with metaventrite carinae (metacoxal lines intersecting metaventrite carinae at distinct angle in the other species).
<taxonomicName id="4C4C1CDCB479DE24D90EFC30FCF50565" authority="Benetti &amp; Michat &amp; Hamada, 2020" authorityName="Benetti &amp; Michat &amp; Hamada" authorityYear="2020" box="[622,838,1017,1043]" class="Insecta" family="Dytiscidae" genus="Hydrodessus" kingdom="Animalia" order="Coleoptera" pageId="2" pageNumber="49" phylum="Arthropoda" rank="species" species="ducke" status="sp. nov.">
<emphasis id="B938BB4DB479DE24D90EFC30FCF50565" box="[622,838,1017,1043]" italics="true" pageId="2" pageNumber="49">Hydrodessus ducke</emphasis>
</taxonomicName>
<emphasis id="B938BB4DB479DE24D82DFC30FC3E0565" bold="true" box="[845,909,1017,1043]" pageId="2" pageNumber="49">
<taxonomicNameLabel id="A20B0636B479DE24D82DFC30FC3E0565" box="[845,909,1017,1043]" pageId="2" pageNumber="49" rank="species">sp. n.</taxonomicNameLabel>
</emphasis>
also differs from
<emphasis id="B938BB4DB479DE24DF35FC33FAB10565" box="[1109,1282,1017,1043]" italics="true" pageId="2" pageNumber="49">H. concolorans</emphasis>
in having the greatest width of pronotum only slightly smaller than the greatest width across elytra (greatest width of pronotum considerably smaller than greatest width across elytra in
<emphasis id="B938BB4DB479DE24D878FB8BFC76052D" box="[792,965,1089,1115]" italics="true" pageId="2" pageNumber="49">H. concolorans</emphasis>
) and in the length of elytral carina (about half of elytron length in the new species and 1/3 of elytron length in
<emphasis id="B938BB4DB479DE24D8F4FBAFFBF30509" box="[916,1088,1125,1151]" italics="true" pageId="2" pageNumber="49">H. concolorans</emphasis>
).
<taxonomicName id="4C4C1CDCB479DE24DF37FBACFADC0509" baseAuthorityName="Guignot" baseAuthorityYear="1957" box="[1111,1391,1125,1151]" class="Insecta" family="Dytiscidae" genus="Hydrodessus" kingdom="Animalia" order="Coleoptera" pageId="2" pageNumber="49" phylum="Arthropoda" rank="species" species="brasiliensis">
<emphasis id="B938BB4DB479DE24DF37FBACFADC0509" box="[1111,1391,1125,1151]" italics="true" pageId="2" pageNumber="49">Hydrodessus brasiliensis</emphasis>
</taxonomicName>
can be differentiated from the new species also in having the prosternal process distinctly constricted medially with prominent anterolateral lobes (prosternal process lacking lateral lobes and not constricted medially in the new species).
<taxonomicName id="4C4C1CDCB479DE24DBBCFB18FE55059D" baseAuthorityName="Guignot" baseAuthorityYear="1957" box="[220,486,1233,1259]" class="Insecta" family="Dytiscidae" genus="Hydrodessus" kingdom="Animalia" order="Coleoptera" pageId="2" pageNumber="49" phylum="Arthropoda" rank="species" species="octospilus">
<emphasis id="B938BB4DB479DE24DBBCFB18FE55059D" box="[220,486,1233,1259]" italics="true" pageId="2" pageNumber="49">Hydrodessus octospilus</emphasis>
</taxonomicName>
differs from
<taxonomicName id="4C4C1CDCB479DE24D91EFB1BFD50059D" authority="Benetti &amp; Michat &amp; Hamada, 2020" authorityName="Benetti &amp; Michat &amp; Hamada" authorityYear="2020" box="[638,739,1233,1259]" class="Insecta" family="Dytiscidae" genus="Hydrodessus" kingdom="Animalia" order="Coleoptera" pageId="2" pageNumber="49" phylum="Arthropoda" rank="species" species="ducke" status="sp. nov.">
<emphasis id="B938BB4DB479DE24D91EFB1BFD50059D" box="[638,739,1233,1259]" italics="true" pageId="2" pageNumber="49">H. ducke</emphasis>
</taxonomicName>
<emphasis id="B938BB4DB479DE24D98BFB18FC9F059D" bold="true" box="[747,812,1233,1259]" pageId="2" pageNumber="49">
<taxonomicNameLabel id="A20B0636B479DE24D98BFB18FC9F059D" box="[747,812,1233,1259]" pageId="2" pageNumber="49" rank="species">sp. n.</taxonomicNameLabel>
</emphasis>
in coloration, with head and pronotum orange-red and elytron with large, very diffuse pale areas anteriorly, subapically and at apex, whereas the new species has the head, pronotum and elytra evenly dark red-brownish.
</paragraph>
</subSubSection>
</treatment>
</document>