135 lines
14 KiB
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135 lines
14 KiB
XML
<document ID-DOI="http://dx.doi.org/10.3897/zookeys.580.8153" ID-GBIF-Dataset="cefca615-aea7-4dd8-8afd-80921e906e89" ID-PMC="PMC4829950" ID-Pensoft-Pub="1313-2970-580-45" ID-PubMed="27110208" ID-ZBK="745750AD4D4241E599B9FDEFDE0C5BED" ModsDocAuthor="" ModsDocDate="2016" ModsDocID="1313-2970-580-45" ModsDocOrigin="ZooKeys 580" ModsDocTitle="Revision of the Neotropical diving beetle genus Hydrodessus J. Balfour-Browne, 1953 (Coleoptera, Dytiscidae, Hydroporinae, Bidessini)" checkinTime="1460542594575" checkinUser="pensoft" docAuthor="Miller, Kelly B." docDate="2016" docId="FEE0EF9D4C96C18CCE618049AA6EC078" docLanguage="en" docName="ZooKeys 580: 45-124" docOrigin="ZooKeys 580" docSource="http://dx.doi.org/10.3897/zookeys.580.8153" docTitle="Hydrodessus latotibialis Miller, 2016, sp. n." docType="treatment" docUuid="C25750D8-1F4B-422D-A309-AC40C800867E" docUuidSource="ZooBank" docVersion="5" lastPageNumber="90" masterDocId="FFECFFCDFFE0BD0DFF80D76BAC7FFF89" masterDocTitle="Revision of the Neotropical diving beetle genus Hydrodessus J. Balfour-Browne, 1953 (Coleoptera, Dytiscidae, Hydroporinae, Bidessini)" masterLastPageNumber="124" masterPageNumber="45" pageNumber="87" updateTime="1668162962782" updateUser="ExternalLinkService">
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<mods:mods xmlns:mods="http://www.loc.gov/mods/v3">
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<mods:titleInfo>
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<mods:title>Revision of the Neotropical diving beetle genus Hydrodessus J. Balfour-Browne, 1953 (Coleoptera, Dytiscidae, Hydroporinae, Bidessini)</mods:title>
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</mods:titleInfo>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Miller, Kelly B.</mods:namePart>
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</mods:name>
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<mods:typeOfResource>text</mods:typeOfResource>
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<mods:relatedItem type="host">
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<mods:titleInfo>
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<mods:title>ZooKeys</mods:title>
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</mods:titleInfo>
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<mods:part>
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<mods:date>2016</mods:date>
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<mods:detail type="volume">
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<mods:number>580</mods:number>
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</mods:detail>
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<mods:extent unit="page">
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<mods:start>45</mods:start>
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<mods:end>124</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:location>
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<mods:url>http://dx.doi.org/10.3897/zookeys.580.8153</mods:url>
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</mods:location>
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<mods:classification>journal article</mods:classification>
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<mods:identifier type="DOI">http://dx.doi.org/10.3897/zookeys.580.8153</mods:identifier>
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<mods:identifier type="Pensoft-Pub">1313-2970-580-45</mods:identifier>
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<mods:identifier type="ZBK">745750AD4D4241E599B9FDEFDE0C5BED</mods:identifier>
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<mods:identifier type="ZooBank">745750AD4D4241E599B9FDEFDE0C5BED</mods:identifier>
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</mods:mods>
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<treatment ID-GBIF-Taxon="127889798" LSID="urn:lsid:zoobank.org:act:C25750D8-1F4B-422D-A309-AC40C800867E" httpUri="http://treatment.plazi.org/id/FEE0EF9D4C96C18CCE618049AA6EC078" lastPageId="45" lastPageNumber="90" pageId="42" pageNumber="87">
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<subSubSection pageId="42" pageNumber="87" type="multiple">
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<paragraph pageId="42" pageNumber="87">Taxon classification Animalia Coleoptera Dytiscidae</paragraph>
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</subSubSection>
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<subSubSection pageId="42" pageNumber="87" type="nomenclature">
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<paragraph pageId="42" pageNumber="87">
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<taxonomicName LSID="http://zoobank.org/C25750D8-1F4B-422D-A309-AC40C800867E" class="Insecta" family="Dytiscidae" genus="Hydrodessus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Hydrodessus latotibialis" order="Coleoptera" pageId="42" pageNumber="87" phylum="Arthropoda" rank="species" species="latotibialis">Hydrodessus latotibialis</taxonomicName>
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<taxonomicNameLabel pageId="42" pageNumber="87">sp. n.</taxonomicNameLabel>
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Figs 23, 42
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</paragraph>
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</subSubSection>
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<subSubSection pageId="43" pageNumber="88" type="type locality">
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<paragraph pageId="43" pageNumber="88">
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<pageBreakToken pageId="43" pageNumber="88" start="start">Type</pageBreakToken>
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locality.
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</paragraph>
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<paragraph pageId="43" pageNumber="88">Peru, Madre de Dios, Rio Tambopata Reserve, 30km SW Puerto Maldonado.</paragraph>
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</subSubSection>
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<subSubSection pageId="44" pageNumber="89" type="diagnosis">
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<paragraph pageId="44" pageNumber="89">
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<pageBreakToken pageId="44" pageNumber="89" start="start">Diagnosis</pageBreakToken>
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.
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</paragraph>
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<paragraph pageId="44" pageNumber="89">
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This species is part of a group including
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<taxonomicName class="Insecta" family="Dytiscidae" genus="Hydrodessus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Hydrodessus maculatus" order="Coleoptera" pageId="44" pageNumber="89" phylum="Arthropoda" rank="species" species="maculatus">Hydrodessus maculatus</taxonomicName>
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,
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<taxonomicName class="Insecta" family="Dytiscidae" genus="Hydrodessus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Hydrodessus phyllisae" order="Coleoptera" pageId="44" pageNumber="89" phylum="Arthropoda" rank="species" species="phyllisae">Hydrodessus phyllisae</taxonomicName>
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and
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<taxonomicName class="Insecta" family="Dytiscidae" genus="Hydrodessus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Hydrodessus tenuatus" order="Coleoptera" pageId="44" pageNumber="89" phylum="Arthropoda" rank="species" species="tenuatus">Hydrodessus tenuatus</taxonomicName>
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that have the lateral elytral carina long (half or more the length of the elytron) (Fig. 23B), the prosternal process very broad (length/width <2) (Fig. 23C), and the metaventral platform (the region between the metaventrite carinae) conspicuously constricted near the base of the metaventral process and fairly broadly divergent posteriorly (Fig. 23C).
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<taxonomicName class="Insecta" family="Dytiscidae" genus="Hydrodessus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Hydrodessus latotibialis" order="Coleoptera" pageId="44" pageNumber="89" phylum="Arthropoda" rank="species" species="latotibialis">Hydrodessus latotibialis</taxonomicName>
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differs from
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<taxonomicName class="Insecta" family="Dytiscidae" genus="Hydrodessus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Hydrodessus maculatus" order="Coleoptera" pageId="44" pageNumber="89" phylum="Arthropoda" rank="species" species="maculatus">Hydrodessus maculatus</taxonomicName>
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in having the elytra red with only indistinct, weakly defined pale regions on the elytron (Fig. 23A) and from
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<taxonomicName class="Insecta" family="Dytiscidae" genus="Hydrodessus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Hydrodessus tenuatus" order="Coleoptera" pageId="44" pageNumber="89" phylum="Arthropoda" rank="species" species="tenuatus">Hydrodessus tenuatus</taxonomicName>
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in having the pro- and mesotarsi broad with a subapical emargination (Fig. 7B). From
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<taxonomicName class="Insecta" family="Dytiscidae" genus="Hydrodessus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Hydrodessus phyllisae" order="Coleoptera" pageId="44" pageNumber="89" phylum="Arthropoda" rank="species" species="phyllisae">Hydrodessus phyllisae</taxonomicName>
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, this species differs in size.
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<taxonomicName class="Insecta" family="Dytiscidae" genus="Hydrodessus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Hydrodessus phyllisae" order="Coleoptera" pageId="44" pageNumber="89" phylum="Arthropoda" rank="species" species="phyllisae">Hydrodessus phyllisae</taxonomicName>
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are smaller (TL <2.7 mm) than
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<taxonomicName class="Insecta" family="Dytiscidae" genus="Hydrodessus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Hydrodessus latotibialis" order="Coleoptera" pageId="44" pageNumber="89" phylum="Arthropoda" rank="species" species="latotibialis">Hydrodessus latotibialis</taxonomicName>
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(Tl> 2.9 mm). Also, specimens are more shiny than
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<taxonomicName class="Insecta" family="Dytiscidae" genus="Hydrodessus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Hydrodessus phyllisae" order="Coleoptera" pageId="44" pageNumber="89" phylum="Arthropoda" rank="species" species="phyllisae">Hydrodessus phyllisae</taxonomicName>
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which are dorsally more matte. Unfortunately, male specimens of
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<taxonomicName class="Insecta" family="Dytiscidae" genus="Hydrodessus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Hydrodessus latotibialis" order="Coleoptera" pageId="44" pageNumber="89" phylum="Arthropoda" rank="species" species="latotibialis">Hydrodessus latotibialis</taxonomicName>
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were not available, so the usually definitive male gentalia were not examined for comparison.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="44" pageNumber="89" type="description">
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<paragraph pageId="44" pageNumber="89">Description.</paragraph>
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<paragraph pageId="44" pageNumber="89">Measurements. TL = 3.0-3.2 mm, GW = 1.5 mm, PW = 1.2-1.3 mm, HW = 0.9 mm, EW = 0.5-0.6 mm, TL/GW = 2.0-2.1, HW/EW = 1.7. Body shape moderately robust, apically rounded, lateral margins distinctly discontinuous between pronotum and elytron (Fig. 23A).</paragraph>
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<paragraph pageId="44" pageNumber="89">Coloration (Fig. 23A). Head dark orange. Pronotum orange. Elytron dark orance with broad, indistinct pale areas anteriorly, subapically and at apex. Antennae, palps, and legs orange. Ventral surfaces dark orange.</paragraph>
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<paragraph pageId="44" pageNumber="89">Sculpture and structure. Head broad, anterior margin broadly rounded medially; surface covered with minute punctures; eyes moderately small. Pronotum subcordate, widest slightly anterior of middle (Fig. 23A); lateral bead fine; surface shiny with fine punctures. Elytra elongate, apically rounded (Fig. 23A); lateral carina extending posteriorly to about 1/2 length of elytron (Fig. 23B); surface shiny, covered with fine punctures. Prosternum medially carinate, setose; prosternal process moderately broad, subrectangular but widest at anterior laterally-expanded lobes, lateral margins slightly concave, subparallel, apex truncate, longitudinally strongly impressed (Fig. 23C). Metaventrite with anterior process moderately large, apically rounded, distinctly subapically constricted; metasternal carinae approximated anteriorly, posteriorly well-marked, strongly and evenly divergent across metasternum, ending near anterior terminus of metacoxal lines (Fig. 23C); other surfaces covered with fine punctures. Legs with most surfaces covered with fine punctures; metatibia with distinctive brush of dense, elongate setae on postero-apical surface; pro- and mesotibiae broad, with broad subapical emargination on dorsal margin (Fig. 7B); metatrochanter apically rounded but with small, sharp point; metacoxa evenly covered with fine punctures; metacoxal lines well developed, anteriorly slightly divergent but nearly subparallel (Fig. 23C). Abdomen shiny, evenly covered with fine punctures; apex of VI rounded.</paragraph>
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<paragraph pageId="44" pageNumber="89">Male genitalia. Only females were examined.</paragraph>
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<paragraph pageId="44" pageNumber="89">Female genitalia. Not examined.</paragraph>
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<paragraph pageId="44" pageNumber="89">Sexual dimorphism. Only females were examined.</paragraph>
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<paragraph pageId="44" pageNumber="89">Variation. No signficant variation was detected.</paragraph>
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</subSubSection>
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<subSubSection pageId="45" pageNumber="90" type="etymology">
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<paragraph pageId="45" pageNumber="90">
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<pageBreakToken pageId="45" pageNumber="90" start="start">Etymology</pageBreakToken>
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.
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</paragraph>
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<paragraph pageId="45" pageNumber="90">
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This species is named latotibialis from the Latin, lato, meaning
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<normalizedToken originalValue="“broad,”">"broad,"</normalizedToken>
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and tibialis, meaning
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<normalizedToken originalValue="“tibia,”">"tibia,"</normalizedToken>
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for the relatively broad mesotibia in specimens.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="45" pageNumber="90" type="distribution">
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<paragraph pageId="45" pageNumber="90">Distribution.</paragraph>
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<paragraph pageId="45" pageNumber="90">This species is known only from one locality in Tambopata Reserve, Peru (Fig. 42).</paragraph>
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</subSubSection>
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<subSubSection pageId="45" pageNumber="90" type="habitat">
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<paragraph pageId="45" pageNumber="90">Habitat.</paragraph>
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<paragraph pageId="45" pageNumber="90">The type specimens were collected from subtropical moist forest.</paragraph>
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</subSubSection>
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<subSubSection pageId="45" pageNumber="90" type="discussion">
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<paragraph pageId="45" pageNumber="90">Discussion.</paragraph>
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<paragraph pageId="45" pageNumber="90">
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Two female specimens were examined of this species. Although ordinarily it is ill advised to describe new species of
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<taxonomicName family="Dytiscidae" lsidName="" pageId="45" pageNumber="90" rank="family">Dytiscidae</taxonomicName>
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based only on female specimens, this species appears sufficiently distinct that there should be little difficulty in associating specimens with this species in the future.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="45" pageNumber="90" type="specimens">
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<paragraph pageId="45" pageNumber="90">Specimens.</paragraph>
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<paragraph pageId="45" pageNumber="90">
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The holotype and one paratype were examined. The holotype female is in USNM labeled, "PERU: Madre de Dios: Rio Tambopata Res: 30 air km.SW Pto.Maldonado,290m 16-20 XI 1979 J.B.Heppner subtropical moist forest/ HYDRODESSUS sp. P.J.S. [handwritten]/ HOLOTYPE
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<taxonomicName class="Insecta" family="Dytiscidae" genus="Hydrodessus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Hydrodessus latotibialis" order="Coleoptera" pageId="45" pageNumber="90" phylum="Arthropoda" rank="species" species="latotibialis">Hydrodessus latotibialis</taxonomicName>
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Miller, 2016 [red label with black line border]."
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</paragraph>
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<paragraph pageId="45" pageNumber="90">Paratype, 1 total. Peru, Madre de Dios, Rio Tambopata Reserve, 30km SW Puerto Maldonado, 290m, 16-20 Nov 1979, subtropical moist forest, J.B. Heppner (1, USNM).</paragraph>
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</subSubSection>
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</treatment>
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</document> |