148 lines
18 KiB
XML
148 lines
18 KiB
XML
<document id="0DDDA71E10F0E89CBB3770CE2E8EC4BC" ID-CLB-Dataset="34098" 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-ZooBank="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="279B2CE5ED94F49B21FF7C27444991FC" docLanguage="en" docName="ZooKeys 580: 45-124" docOrigin="ZooKeys 580" docSource="http://dx.doi.org/10.3897/zookeys.580.8153" docTitle="Hydrodessus siolii J. Balfour-Browne 1953" docType="treatment" docVersion="6" lastPageNumber="108" masterDocId="FFECFFCDFFE0BD0DFF80D76BAC7FFF89" masterDocTitle="Revision of the Neotropical diving beetle genus Hydrodessus J. Balfour-Browne, 1953 (Coleoptera, Dytiscidae, Hydroporinae, Bidessini)" masterLastPageNumber="124" masterPageNumber="45" pageNumber="105" updateTime="1701375076352" updateUser="ExternalLinkService">
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<mods:title id="8E5A8CB7EC0C8ED5F9B6D2E727D80E62">Revision of the Neotropical diving beetle genus Hydrodessus J. Balfour-Browne, 1953 (Coleoptera, Dytiscidae, Hydroporinae, Bidessini)</mods:title>
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<mods:namePart id="CC18198DCA56C6E10E44B8E02DB96EEF">Miller, Kelly B.</mods:namePart>
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<mods:date id="8A905455256D79C58696399B134336C3">2016</mods:date>
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<mods:number id="47AA949C55BD7AB2CF7E5DF2D8902ACB">580</mods:number>
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<mods:url id="5AF84F3ECDB9A26284028A8AA202F24B">http://dx.doi.org/10.3897/zookeys.580.8153</mods:url>
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<mods:classification id="C00286B6743792558B1FF1AA14048762">journal article</mods:classification>
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<mods:identifier id="8FBB5DF84AB43420806774407029619D" type="DOI">http://dx.doi.org/10.3897/zookeys.580.8153</mods:identifier>
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<treatment id="279B2CE5ED94F49B21FF7C27444991FC" ID-GBIF-Taxon="127889821" LSID="urn:lsid:plazi:treatment:279B2CE5ED94F49B21FF7C27444991FC" httpUri="http://treatment.plazi.org/id/279B2CE5ED94F49B21FF7C27444991FC" lastPageId="63" lastPageNumber="108" pageId="60" pageNumber="105">
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<subSubSection id="2FAE5DC04802EB9BCB3EAE8CF70AB80E" pageId="60" pageNumber="105" type="multiple">
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<paragraph id="56296A0E2A6D418FA320ECE727775C3E" pageId="60" pageNumber="105">Taxon classification Animalia Coleoptera Dytiscidae</paragraph>
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</subSubSection>
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<subSubSection id="17878E19CDF5F8F08FD015A849107237" pageId="60" pageNumber="105" type="nomenclature">
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<paragraph id="28BC176F42E8F5A28DCA8137BD4FF764" pageId="60" pageNumber="105">
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<taxonomicName id="2AEA86FA3E2DAB5316130549E6BD3C40" ID-CoL="3N6Y6" authority="J. Balfour-Browne, 1953" authorityName="J. Balfour-Browne" authorityYear="1953" class="Insecta" family="Dytiscidae" genus="Hydrodessus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Hydrodessus siolii" order="Coleoptera" pageId="60" pageNumber="105" phylum="Arthropoda" rank="species" species="siolii">Hydrodessus siolii J. Balfour-Browne, 1953</taxonomicName>
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Figs 31, 43
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</paragraph>
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</subSubSection>
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<subSubSection id="D51D4F2EE4656882B938A13A4FFAC027" pageId="61" pageNumber="106" type="reference_group">
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<paragraph id="C4604A9A34F0B161F145BD6AFF3CD667" pageId="61" pageNumber="106">
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<taxonomicName id="DE81C5A9223872C7AC51BF645F6456FF" class="Insecta" family="Dytiscidae" genus="Hydrodessus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Hydrodessus siolii" order="Coleoptera" pageId="61" pageNumber="106" phylum="Arthropoda" rank="species" species="siolii">
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<pageBreakToken id="90ED9524835360AECE782EA08DEB7C3B" pageId="61" pageNumber="106" start="start">Hydrodessus</pageBreakToken>
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siolii
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</taxonomicName>
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J. Balfour-Browne, 1953: 56;
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<bibRefCitation id="A26F116A1AA7A6A175766CF936F75714" author="Young, FN" journalOrPublisher="The Coleopterists Bulletin" pageId="72" pageNumber="117" pagination="75 - 84" title="A key to the genera of American bidessine water beetles, with descriptions of three new genera (Coleoptera: Dytiscidae, Hydroporinae)." volume="21" year="1967">Young 1967</bibRefCitation>
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: 80;
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<bibRefCitation id="BB690D87ED2C1292C212B09BD62E992E" author="Young, FN" journalOrPublisher="Smithsonian Contributions to Zoology" pageId="72" pageNumber="117" pagination="1 - 5" title="A checklist of the American Bidessini (Coleoptera: Dytiscidae-Hydroporinae)." url="10.5479/si.00810282.33" volume="33" year="1969">1969</bibRefCitation>
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: 2;
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<bibRefCitation id="4DD1C16BF71A19937BA8907006C20462" author="Young, FN" journalOrPublisher="Uitgaven Natuurwetenschappelijke Studiekring voor Suriname en de Nederlandse Antillen, Utrecht" pageId="72" pageNumber="117" pagination="152 - 158" title="Two new species of Hydrodessus from Suriname, with a key to the known species (Coleoptera: Dytiscidae)." volume="60" year="1970">1970</bibRefCitation>
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: 158;
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<bibRefCitation id="A9DA73A3BB2FCFB5867C3574B06F1FFD" author="Spangler, PJ" journalOrPublisher="Proceedings of the Academy of Natural Sciences of Philadelphia" pageId="72" pageNumber="117" pagination="80 - 89" title="Five new species of the predacious water beetle genus Hydrodessus from Guyana and a key to the species (Coleoptera: Dytiscidae)." volume="137" year="1985">Spangler 1985</bibRefCitation>
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: 88;
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<bibRefCitation id="495828D184667FB68CFCF0C9D580CB90" author="Bistroem, O" journalOrPublisher="Acta Zoologica Fennica" pageId="72" pageNumber="117" pagination="1 - 41" title="Generic review of the Bidessini (Coleoptera, Dytiscidae)." volume="184" year="1988">
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<normalizedToken id="BAE238BF3A9A87661E7EFCFA04C0A83A" originalValue="Biström">Bistroem</normalizedToken>
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1988
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</bibRefCitation>
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: 37;
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<bibRefCitation id="30F38AA2EC57BD152D607174FAC889E9" author="Nilsson, AN" journalOrPublisher="Apollo Books, Stenstrup" pageId="72" pageNumber="117" title="Dytiscidae. World Catalogue of Insects." year="2001">Nilsson 2001</bibRefCitation>
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: 236.
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</paragraph>
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</subSubSection>
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<subSubSection id="4684C291050162281CF9225FBB7BB48A" pageId="61" pageNumber="106" type="type locality">
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<paragraph id="2D8EC164C6F8833BF21E499E49EEC0AA" pageId="61" pageNumber="106">Type locality.</paragraph>
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<paragraph id="7ADAAC7AA4F79FAB85BEC1F7DE39FEB2" pageId="61" pageNumber="106">
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Brazil,
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<normalizedToken id="B1F189C1B3DEF589EA04F63B7CBE9389" originalValue="Pará">Para</normalizedToken>
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, Rio Cupari,
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<normalizedToken id="45390C1BE5BC1D87715EC1B7C6980564" originalValue="Igarapé">Igarape</normalizedToken>
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Ingatuba.
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</paragraph>
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</subSubSection>
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<subSubSection id="504569CF65D39A0C1D9467AD53C07D48" lastPageId="62" lastPageNumber="107" pageId="61" pageNumber="106" type="diagnosis">
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<paragraph id="B19E83CDA5D34050D0049191769DF8D2" pageId="61" pageNumber="106">Diagnosis.</paragraph>
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<paragraph id="23B8DDDFA0736CF5D2982F5AC1ED008B" lastPageId="62" lastPageNumber="107" pageId="61" pageNumber="106">
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<taxonomicName id="6697F2C8237D0A31A42166399006BA0D" class="Insecta" family="Dytiscidae" genus="Hydrodessus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Hydrodessus siolii" order="Coleoptera" pageId="61" pageNumber="106" phylum="Arthropoda" rank="species" species="siolii">Hydrodessus siolii</taxonomicName>
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is a distinctive species with a pale head and pronotum and the elytra dark brown with the lateral margin yellow with distinctive, well defined yellow maculae (Fig. 31A). There is a prominent yellow macula on the elytral disc near the suture subbasally (Fig. 31A). There are a semiconnected pair of maculae at about 2/3 length of elytra (Fig. 31A). In some specimens the lateral macula is connected with the yellow lateral margin. Also, the elytral apex is yellow (Fig. 31A). The lateral elytral carina is absent (Fig. 31B). The prosternal process is elongate oval with the lateral margins slightly constricted medially (Fig. 31C). The prosternal process is elongate oval with the lateral margins somewhat constricted medially (Fig. 31C). The metaventrite carinae are indistinct and mainly marked by impunctate lines that are strongly divergent posteriorly (Fig. 31C). The male median lobe in lateral aspect is basally triangular (Fig. 31D). The apical portion is slender and evenly curved to a slender, narrowly
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<pageBreakToken id="EDE0AEC7D88516B8D09BA38273D8BE8D" pageId="62" pageNumber="107" start="start">rounded</pageBreakToken>
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apex (Fig. 31D). In ventral aspect the median lobe is bilaterally symmetrical, apically convergent to elongate, slender, pointed apex (Fig. 31E). The lateral lobe is relatively slender, curved medially with the apical 1/3 relatively straight and slender to rounded apex (Fig. 31F). The species is perhaps most similar to
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<taxonomicName id="8C6BAA2714FCAB446E4D1C1419B654C9" class="Insecta" family="Dytiscidae" genus="Hydrodessus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Hydrodessus fasciatus" order="Coleoptera" pageId="62" pageNumber="107" phylum="Arthropoda" rank="species" species="fasciatus">Hydrodessus fasciatus</taxonomicName>
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in body shape and structure, but that species has a different color pattern and the male genitalia are distinctive in each species.
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</paragraph>
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</subSubSection>
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<subSubSection id="4DFDF58951270152BCCF6572C4399BE1" pageId="62" pageNumber="107" type="description">
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<paragraph id="C4B1BB49489C1D6F7C73C51C2E3F01E0" pageId="62" pageNumber="107">Description.</paragraph>
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<paragraph id="26CA85CE60BB7C04931E363694B80889" pageId="62" pageNumber="107">Measurements. TL = 2.7-3.1 mm, GW = 1.3-1.4 mm, PW = 1.1-1.2 mm, HW = 0.8-0.9 mm, EW = 0.4-0.5 mm, TL/GW = 2.1-2.2, HW/EW = 1.9. Body shape elongate, apically rounded, lateral outline discontinous between pronotum and elytron (Fig. 31A).</paragraph>
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<paragraph id="1287B54AD78FF22DC5B0AEFD9013B60A" pageId="62" pageNumber="107">Coloration (Fig. 31A). Head and pronotum yellow. Elytron brown-yellow with diffuse yellow maculae anteromedially, medially and along margins anteriorly, mediolaterally, and at apex (Fig. 31A). Antennae, palps and legs yellow. Ventral surfaces yellow.</paragraph>
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<paragraph id="1EB3618739A69AD21014514464F07A3B" pageId="62" pageNumber="107">Sculpture and structure. Head moderately elongate; anterior clypeal marign broadly rounded; surface shiny, nearly impunctate; eyes large. Pronotum broadest slightly anterior of middle, lateral margins broadly curved (Fig. 31A); lateral bead fine; surface shiny, covered with moderately large, distinctive punctation. Elytra elongate, apically rounded (Fig. 31A); lateral carina absent, slight rounding of elytron near humeral angle (Fig. 31B); surface shiny, covered with moderately large, distinctive punctation. Prosternum medially rounded and setose; prosternal process moderately slender, elongate, lateral margins subparallel, widest subapically, apex rounded, longitudinally somewhat excavated (Fig. 31C). Metaventrite with anterior process slender, short, apically narrowly rounded; metasternal carinae distinct only anteriorly along margins of process, extending posteriorly in broadly divergent rounded margins, terminating near anterior ends of metacoxal lines (Fig. 31C); other surfaces covered with moderately large, distinct punctures. Legs with most surfaces shiny, impunctate; pro- and mesotibiae slender; metatibia with posteroapical brush of setae distinctive; metatrochater distinctly offset, apically rounded; metacoxa with surface shiny, covered with moderately large, distinctive punctation; metacoxal lines elongate, relatively closely approximated and subparallel, only slightly diverging anteriorly (Fig. 31C). Abdomen shiny, covered with distinctive punctures; ventrite VI apcially broadly rounded.</paragraph>
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<paragraph id="88846B6CD3E8B00889091038D9065E62" pageId="62" pageNumber="107">Male genitalia. Median lobe bilaterally symmetrical, in lateral aspect gently curved, curvature more pronounced basally, basal region broad, apical portion slender throughout length, apex slender and pointed (Fig. 31D); in ventral aspect slender, lateral margins evenly convergent to middle, then slightly constricted and apically slender to pointed apex (Fig. 31E). Lateral lobe moderately broad basally, elongate slender apically, apex rounded, with series of setae along dorsal margin (Fig. 31F).</paragraph>
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<paragraph id="59A13D4C7BC7BB731EA0996E46E5E878" pageId="62" pageNumber="107">Female genitalia. Not examined.</paragraph>
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<paragraph id="574672EC0EDCE6B19C52DA2F71A79AF3" pageId="62" pageNumber="107">
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Sexual dimorphism. Male pro- and mesotarsi
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<normalizedToken id="C77C503D09A9A302F006CC39BABEEF96" originalValue="I–III">I-III</normalizedToken>
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slightly more broadly expanded than female and ventrally with several large adhesive setae. Females much more finely and densely punctate on all surfaces than males.
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</paragraph>
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<paragraph id="4B93E25E4ADE74BFABBDBA16D97B3A13" pageId="62" pageNumber="107">Variation. Specimens examined vary somewhat in the extend of maculation on the dorsal surface.</paragraph>
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</subSubSection>
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<subSubSection id="79FBBE94DF0BAD6EC10BE3DE92163FB3" pageId="63" pageNumber="108" type="distribution">
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<paragraph id="4FDACCB9D7E6C3D723F2B586DC1226A0" pageId="63" pageNumber="108">
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<pageBreakToken id="A229E553C66780CD8663B0B002207671" pageId="63" pageNumber="108" start="start">Distribution</pageBreakToken>
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.
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</paragraph>
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<paragraph id="095F3A23437FBA5FD9D604423B2EB8E7" pageId="63" pageNumber="108">This species is known from central Brazil and southern Venezuela (Fig. 43).</paragraph>
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</subSubSection>
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<subSubSection id="2C6D19CCB113E152543B08529267C1CB" pageId="63" pageNumber="108" type="habitat">
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<paragraph id="0BE42A3F59492DABD592C5541619F257" pageId="63" pageNumber="108">Habitat.</paragraph>
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<paragraph id="9E3E52E94D47332E1F23DF85CE81611E" pageId="63" pageNumber="108">
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This species was collected from "margem esquedra, entre detrito fibrosito" (
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<bibRefCitation id="4E46CFA2A44BE6F38D607FA53D7D0F78" author="Balfour-Browne, J" journalOrPublisher="Proceedings of the Royal Entomological Society of London (Series B)" pageId="72" pageNumber="117" pagination="55 - 56" title="Hydrodessus gen. n. Hydroporinarum (Coleoptera: Dytiscidae)." url="10.1111/j.1365-3113.1953.tb00056.x" volume="22" year="1953">Balfour-Browne 1953</bibRefCitation>
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), or the "left bank, between fibrous detritous." Specimens have also been collected along a sandy forest stream in marginal leaf pack.
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</paragraph>
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</subSubSection>
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<subSubSection id="2CAE256AFC315EEE456211EC681A9577" pageId="63" pageNumber="108" type="discussion">
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<paragraph id="E5BEF1DF5C53D4860713F44BAB10ED5B" pageId="63" pageNumber="108">Discussion.</paragraph>
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<paragraph id="CC2FCE7DDBD6B32C14F56CE5DB184789" pageId="63" pageNumber="108">
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The holotype (in BMNH) was not examined, but the male paratype (of one male and two female paratypes,
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<bibRefCitation id="8A25C0A0AC57BBF9E29381DB7230100C" author="Balfour-Browne, J" journalOrPublisher="Proceedings of the Royal Entomological Society of London (Series B)" pageId="72" pageNumber="117" pagination="55 - 56" title="Hydrodessus gen. n. Hydroporinarum (Coleoptera: Dytiscidae)." url="10.1111/j.1365-3113.1953.tb00056.x" volume="22" year="1953">Balfour-Browne 1953</bibRefCitation>
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), which is now in the FSCA, was examined. Based on the description and the paratype examined, the identity of this species is clear.
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</paragraph>
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</subSubSection>
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<subSubSection id="4951EF4B69F887477A908B53CABB8E98" pageId="63" pageNumber="108" type="specimens">
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<paragraph id="633497B2D1D9ED5CCD6198BFA988CA09" pageId="63" pageNumber="108">Specimens.</paragraph>
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<paragraph id="EA87798A3FF11F0C59A3027697BF9873" pageId="63" pageNumber="108">
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Holotype not examined. Non-type specimens examined, 64 total. Brazil, Aldeia Aracu-Igarape, Gurupi-Umi, 50km E Caninde,
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<geoCoordinate id="006A0E7CA3B3B6E330A4EC91BE8D0087" direction="south" orientation="latitude" precision="925" value="-2.5833333">2°35'S</geoCoordinate>
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46°05W, 1-31 May 1963, B. Malkin (2, FSCA); Brazil,
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<normalizedToken id="EFC3625C6FB3446CCD210871E03C3534" originalValue="Pará">Para</normalizedToken>
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, Boca Igarape Ingatuba,
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<geoCoordinate id="473229C2075011AD6A758C193AA29F3A" direction="south" orientation="latitude" precision="55" value="-3.723">3.723°S</geoCoordinate>
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<geoCoordinate id="9964F088FB676857B786F03118986350" direction="west" orientation="longitude" precision="55" value="-55.404">55.404°W</geoCoordinate>
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, 22 Oct 1948, H. Sioli (1, FSCA, paratype). Venezuela, Amazonas, Communidad
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<normalizedToken id="1A3248AFC591B88DF6C8E304FAB2C6E1" originalValue="Caño">Cano</normalizedToken>
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Gato, on Rio Sipapo,
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<geoCoordinate id="8CAF6D5EEEFD3E73D14BC3C789ABD790" direction="north" orientation="latitude" precision="55" value="4.981">4.981°N</geoCoordinate>
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, 67.739°, 16 Jan 2009, along stream, 95m, Short, Miller, Camacho, Joly and
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<normalizedToken id="991D091ACC85EFB72CDC65556B66EA02" originalValue="García">Garcia</normalizedToken>
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(61, KUNHM, MIZA, MSBA, USNM, museum numbers in Table 1).
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</paragraph>
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</subSubSection>
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</treatment>
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</document> |