149 lines
14 KiB
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149 lines
14 KiB
XML
<document ID-DOI="http://dx.doi.org/10.3897/zookeys.206.2587" ID-GBIF-Dataset="c3b82930-80b2-443f-a660-3268f9d5e4f2" ID-PMC="PMC3391895" ID-Pensoft-Pub="1313-2970-206-1" ID-PubMed="22811607" ModsDocAuthor="" ModsDocDate="2012" ModsDocID="1313-2970-206-1" ModsDocOrigin="ZooKeys 206" ModsDocTitle="Review of the Berosus Leach of Venezuela (Coleoptera, Hydrophilidae, Berosini) with description of fourteen new species" checkinTime="1451248911275" checkinUser="pensoft" docAuthor="Oliva, Adriana & Short, Andrew E. Z." docDate="2012" docId="AA7C1871A594BEE1AFCE220AE73480B8" docLanguage="en" docName="ZooKeys 206: 1-69" docOrigin="ZooKeys 206" docSource="http://dx.doi.org/10.3897/zookeys.206.2587" docTitle="Berosus humeralis Oliva & Short, sp. n." docType="treatment" docVersion="4" lastPageNumber="33" masterDocId="E5570C13FB3A45069F4BFFBCFF8FFFCD" masterDocTitle="Review of the Berosus Leach of Venezuela (Coleoptera, Hydrophilidae, Berosini) with description of fourteen new species" masterLastPageNumber="69" masterPageNumber="1" pageNumber="28" updateTime="1668154135381" 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>Review of the Berosus Leach of Venezuela (Coleoptera, Hydrophilidae, Berosini) with description of fourteen new species</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>Oliva, Adriana</mods:namePart>
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</mods:name>
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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>Short, Andrew E. Z.</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>2012</mods:date>
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<mods:detail type="volume">
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<mods:number>206</mods:number>
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</mods:detail>
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<mods:extent unit="page">
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<mods:start>1</mods:start>
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<mods:end>69</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.206.2587</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.206.2587</mods:identifier>
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<mods:identifier type="Pensoft-Pub">1313-2970-206-1</mods:identifier>
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</mods:mods>
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<treatment ID-GBIF-Taxon="152036276" LSID="urn:lsid:zoobank.org:act:DC499216-B65A-4FBF-A425-6F0466A0EFB8" httpUri="http://treatment.plazi.org/id/AA7C1871A594BEE1AFCE220AE73480B8" lastPageId="32" lastPageNumber="33" pageId="27" pageNumber="28">
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<subSubSection pageId="27" pageNumber="28" type="nomenclature">
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<paragraph pageId="27" pageNumber="28">
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<taxonomicName LSID="urn:lsid:zoobank.org:act:DC499216-B65A-4FBF-A425-6F0466A0EFB8" authority="Oliva & Short" class="Insecta" family="Hydrophilidae" genus="Berosus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Berosus humeralis" order="Coleoptera" pageId="27" pageNumber="28" phylum="Arthropoda" rank="species" species="humeralis">Berosus humeralis Oliva & Short</taxonomicName>
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<taxonomicNameLabel pageId="27" pageNumber="28">sp. n.</taxonomicNameLabel>
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Figs 16A, 17A, 27
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</paragraph>
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</subSubSection>
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<subSubSection lastPageId="29" lastPageNumber="30" pageId="27" pageNumber="28" type="type material">
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<paragraph pageId="27" pageNumber="28">Type material.</paragraph>
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<paragraph lastPageId="29" lastPageNumber="30" pageId="27" pageNumber="28">
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Holotype (male): "VENEZUELA: Amazonas State/
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<geoCoordinate direction="north" orientation="latitude" precision="1" value="5.510383">5°30.623'N</geoCoordinate>
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,
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<geoCoordinate direction="west" orientation="longitude" precision="1" value="-67.601814">67°36.109'W</geoCoordinate>
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, 110 m/ ca. 15 km S. Puerto Ayacucho/ 14.i.2009; rock pools et al./ leg.
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<pageBreakToken pageId="28" pageNumber="29" start="start">A</pageBreakToken>
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.Short; VZ09-0114-03B", "[barcode]/ SM0843787/ KUNHM-ENT", "HOLOTYPE/ BEROSUS/ humeralis sp. n./ des. Oliva & Short 2010" (MIZA). Paratypes (12): VENEZUELA: Amazonas State: ca. 15 km S. Puerto Ayacucho,
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<geoCoordinate direction="north" orientation="latitude" precision="1" value="5.510383">5°30.623'N</geoCoordinate>
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,
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<geoCoordinate direction="west" orientation="longitude" precision="1" value="-67.601814">67°36.109'W</geoCoordinate>
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, 100 m, pool at base of outcrop, 14.ix.2007, leg. Short, AS-07-011a (1 ex., SEMC); same data as holotype (5 exs., SEMC, MIZA); at river near confluence of Orinoco/Sipapo rivers, rock pool, 15.i.2009, leg.
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<normalizedToken originalValue="García">Garcia</normalizedToken>
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, VZ09-0115-01D (1 ex., SEMC).
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<pageBreakToken pageId="29" pageNumber="30" start="start">
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<normalizedToken originalValue="Bolívar">Bolivar</normalizedToken>
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</pageBreakToken>
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State: Los Pijiguaos,
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<geoCoordinate direction="north" orientation="latitude" precision="1" value="6.5936165">6°35.617'N</geoCoordinate>
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,
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<geoCoordinate direction="west" orientation="longitude" precision="1" value="-66.82063">66°49.238'W</geoCoordinate>
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, 80 m, morichal/rock outcrop, 6.iii.2008, leg. Short,
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<normalizedToken originalValue="García">Garcia</normalizedToken>
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, & Joly, AS-08-076 (2 exs., SEMC); same locality but 8.vii.2010, stream on side, leg. Short, Tellez, & Arias, VZ10-0708-01B (3 exs., SEMC).
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</paragraph>
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</subSubSection>
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<subSubSection pageId="29" pageNumber="30" type="diagnosis">
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<paragraph pageId="29" pageNumber="30">Diagnosis.</paragraph>
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<paragraph pageId="29" pageNumber="30">
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Moderate-sized, broad-shaped, not very convex species with strong metallic luster on dorsum of head and often with weak metallic sheen on medial spot on pronotum. Elytra with small, well-defined black spots, including an additional pair below the humeral humps (Fig. 16A). Mesoventral process entirely laminar. First ventrite carinate in anterior half. Male genitalia as in Fig. 17A. The extended subhumeral spots distinguish
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<taxonomicName class="Insecta" family="Hydrophilidae" genus="Berosus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Berosus humeralis" order="Coleoptera" pageId="29" pageNumber="30" phylum="Arthropoda" rank="species" species="humeralis">Berosus humeralis</taxonomicName>
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from the closely related
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<taxonomicName class="Insecta" family="Hydrophilidae" genus="Berosus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Berosus ornaticollis" order="Coleoptera" pageId="29" pageNumber="30" phylum="Arthropoda" rank="species" species="ornaticollis">Berosus ornaticollis</taxonomicName>
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sp. n., besides the other characters listed in the key. There are hardly any species that may be confused with these two.
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</paragraph>
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</subSubSection>
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<subSubSection lastPageId="32" lastPageNumber="33" pageId="29" pageNumber="30" type="description">
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<paragraph pageId="29" pageNumber="30">Description.</paragraph>
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<paragraph lastPageId="30" lastPageNumber="31" pageId="29" pageNumber="30">
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Body length: 3.7-4.0 mm. Shape short and broad, with prominent humeral humps, but rather depressed. Eyes moderately prominent in both sexes. Labrum melanic at base, testaceous on the distal margin. Dorsum of head melanic with strong metallic luster. Pronotum testaceous with a median melanic spot covering approximately two-fifths of total pronotal width, without testaceous median line, in most specimens with metallic sheen. Scutellum melanic. Elytra testaceous with small melanic spots as in
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<taxonomicName class="Insecta" family="Hydrophilidae" genus="Berosus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Berosus ornaticollis" order="Coleoptera" pageId="29" pageNumber="30" phylum="Arthropoda" rank="species" species="ornaticollis">Berosus ornaticollis</taxonomicName>
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sp. n., but the additional subhumeral spots more extensive, taking up the interstriae 8 and 9 and about half
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<pageBreakToken pageId="30" pageNumber="31" start="start">of</pageBreakToken>
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10. Venter of thorax and abdomen brown to dark brown. Maxillary palpi with apical palpomere darkened on distal quarter. Femora with pubescent portion darkened, glabrous portion testaceous.
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</paragraph>
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<paragraph lastPageId="32" lastPageNumber="33" pageId="31" pageNumber="32">
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<pageBreakToken pageId="31" pageNumber="32" start="start">Head</pageBreakToken>
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densely punctured, punctures on clypeus about the size of an ommatidion, on frons slightly larger. Pronotal punctures slightly larger than ones on head, round, moderately dense, spaced by the equivalent of 2-4 times their diameter; surface sparsely
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<pageBreakToken pageId="32" pageNumber="33" start="start">and</pageBreakToken>
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finely micropunctate, shining. Scutellum with a few deeply impressed punctures, smaller than pronotal ones; surface shining. Elytral striae fine on disc, the external ones a little more shallow, with dense punctures about the same size as the pronotal ones, not overflowing except on a short stretch of striae 6-8 on the posterior half of the elytra. Interstriae wide, flat, bearing punctures smaller than those on striae, irregularly uniseriated; outer interstriae slightly convex; background smooth. Elytral apices simple, slightly more pointed and outwardly deflexed in females; spine-like hairs absent.
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</paragraph>
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<paragraph pageId="32" pageNumber="33">
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Mesoventral process small, laminar, with curved anterior tooth pointing downwards, a little thickened; posterior tooth raised but less prominent than anterior one. Metaventral process as in
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<taxonomicName class="Insecta" family="Hydrophilidae" genus="Berosus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Berosus ornaticollis" order="Coleoptera" pageId="32" pageNumber="33" phylum="Arthropoda" rank="species" species="ornaticollis">Berosus ornaticollis</taxonomicName>
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. First ventrite carinate medially in the anterior half, carina broadened and lowered behind metacoxae; without lateral depressions. Ventrites 2-4 not carinate. Fifth ventrite with shallow apical notch, set with two straight, sharp teeth.
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</paragraph>
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<paragraph pageId="32" pageNumber="33">Maxillary palpi short, thick. Meso- and metafemora with pubescence on basal half and three-fifths respectively, limit oblique. Protarsus of male with basal tarsomeres strongly enlarged, with adhesive sole; second without sole. Claws fine, toothed.</paragraph>
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<paragraph pageId="32" pageNumber="33">Male genitalia (Fig. 17A): basal piece about two-fifths of total length. Parameres narrow, rounded at apex, in tergal aspect elbowed and curved inwards. Row of hairs rather long. Median lobe a little shorter than parameres, complex.</paragraph>
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<caption pageId="32" pageNumber="33">
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<paragraph pageId="32" pageNumber="33">
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Figure 16. Dorsal and lateral views of
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<taxonomicName class="Insecta" family="Hydrophilidae" genus="Berosus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Berosus" order="Coleoptera" pageId="32" pageNumber="33" phylum="Arthropoda" rank="genus">Berosus</taxonomicName>
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spp. A
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<taxonomicName class="Insecta" family="Hydrophilidae" genus="Berosus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Berosus humeralis" order="Coleoptera" pageId="32" pageNumber="33" phylum="Arthropoda" rank="species" species="humeralis">Berosus humeralis</taxonomicName>
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sp. n. B
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<taxonomicName class="Insecta" family="Hydrophilidae" genus="Berosus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Berosus ornaticollis" order="Coleoptera" pageId="32" pageNumber="33" phylum="Arthropoda" rank="species" species="ornaticollis">Berosus ornaticollis</taxonomicName>
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sp. n.
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</paragraph>
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</caption>
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<caption pageId="32" pageNumber="33">
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<paragraph pageId="32" pageNumber="33">
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Figure 17. Details of
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<taxonomicName class="Insecta" family="Hydrophilidae" genus="Berosus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Berosus" order="Coleoptera" pageId="32" pageNumber="33" phylum="Arthropoda" rank="genus">Berosus</taxonomicName>
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sp. n. A
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<taxonomicName class="Insecta" family="Hydrophilidae" genus="Berosus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Berosus humeralis" order="Coleoptera" pageId="32" pageNumber="33" phylum="Arthropoda" rank="species" species="humeralis">Berosus humeralis</taxonomicName>
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sp. n., abdomen and aedeagus B
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<taxonomicName class="Insecta" family="Hydrophilidae" genus="Berosus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Berosus ornaticollis" order="Coleoptera" pageId="32" pageNumber="33" phylum="Arthropoda" rank="species" species="ornaticollis">Berosus ornaticollis</taxonomicName>
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sp. n., aedeagus.
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</paragraph>
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</caption>
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</subSubSection>
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<subSubSection pageId="32" pageNumber="33" type="etymology">
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<paragraph pageId="32" pageNumber="33">Etymology.</paragraph>
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<paragraph pageId="32" pageNumber="33">The name refers to the characteristic subhumeral spots, taking up part of the striae 8-10.</paragraph>
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</subSubSection>
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<subSubSection pageId="32" pageNumber="33" type="distribution">
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<paragraph pageId="32" pageNumber="33">Distribution.</paragraph>
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<paragraph pageId="32" pageNumber="33">
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Venezuela (Amazonas,
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<normalizedToken originalValue="Bolívar">Bolivar</normalizedToken>
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).
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</paragraph>
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</subSubSection>
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<subSubSection pageId="32" pageNumber="33" type="remarks">
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<paragraph pageId="32" pageNumber="33">Remarks.</paragraph>
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<paragraph pageId="32" pageNumber="33">This species is known only from granite outcrops in along the northwestern fringe of the Guiana Shield. It has only been found in distinctive "rock pools" that collect rainwater or in small streamlets that drain such pools (Fig. 27).</paragraph>
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</subSubSection>
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</treatment>
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</document> |