218 lines
18 KiB
XML
218 lines
18 KiB
XML
<document ID-DOI="http://dx.doi.org/10.3897/zookeys.878.37403" ID-GBIF-Dataset="83f095d1-8441-49cd-be4b-71f0ddfa311c" ID-PMC="PMC6791902" ID-Pensoft-Pub="1313-2970-878-73" ID-Pensoft-UUID="C93F9CBB14D25FEAB2ACCBC3E6282D28" ID-PubMed="31632177" ID-ZooBank="192214DE1D38467BA577ECD16EC5EAB5" ModsDocID="1313-2970-878-73" checkinTime="1570497196116" checkinUser="pensoft" docAuthor="Shaverdo, Helena, Surbakti, Suriani, Warikar, Evie L., Sagata, Katayo & Balke, Michael" docDate="2019" docId="A9608F8EFD8A5A1D8717FBE6E87EDF24" docLanguage="en" docName="ZooKeys 878: 73-143" docOrigin="ZooKeys 878" docSource="http://dx.doi.org/10.3897/zookeys.878.37403" docTitle="Exocelina mekilensis Shaverdo & Balke, sp. nov." docType="treatment" docUuid="4833A1FB-F7A6-4ED8-ACA2-442719E2A641" docUuidSource="ZooBank" docVersion="6" id="C93F9CBB14D25FEAB2ACCBC3E6282D28" lastPageNumber="73" masterDocId="C93F9CBB14D25FEAB2ACCBC3E6282D28" masterDocTitle="Nine new species groups, 15 new species, and one new subspecies of New Guinea diving beetles of the genus Exocelina Broun, 1886 (Coleoptera, Dytiscidae, Copelatinae)" masterLastPageNumber="143" masterPageNumber="73" pageNumber="73" updateTime="1668167854570" 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>Nine new species groups, 15 new species, and one new subspecies of New Guinea diving beetles of the genus Exocelina Broun, 1886 (Coleoptera, Dytiscidae, Copelatinae)</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>Shaverdo, Helena</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>Surbakti, Suriani</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>Warikar, Evie L.</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>Sagata, Katayo</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>Balke, Michael</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>2019</mods:date>
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<mods:detail type="volume">
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<mods:number>878</mods:number>
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</mods:detail>
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<mods:extent unit="page">
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<mods:start>73</mods:start>
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<mods:end>143</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.878.37403</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.878.37403</mods:identifier>
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<mods:identifier type="Pensoft-Pub">1313-2970-878-73</mods:identifier>
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<mods:identifier type="ZooBank">192214DE1D38467BA577ECD16EC5EAB5</mods:identifier>
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<mods:identifier type="Pensoft-UUID">C93F9CBB14D25FEAB2ACCBC3E6282D28</mods:identifier>
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</mods:mods>
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<treatment ID-GBIF-Taxon="159654831" LSID="urn:lsid:zoobank.org:act:4833A1FB-F7A6-4ED8-ACA2-442719E2A641" httpUri="http://treatment.plazi.org/id/A9608F8EFD8A5A1D8717FBE6E87EDF24" lastPageNumber="73" pageId="0" pageNumber="73">
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<subSubSection pageId="0" pageNumber="73" type="nomenclature">
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<paragraph pageId="0" pageNumber="73">
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3.
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<taxonomicName LSID="A9608F8E-FD8A-5A1D-8717-FBE6E87EDF24" authority="Shaverdo & Balke" class="Insecta" family="Dytiscidae" genus="Exocelina" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Exocelina mekilensis" order="Coleoptera" pageId="0" pageNumber="73" phylum="Arthropoda" rank="species" species="mekilensis">Exocelina mekilensis Shaverdo & Balke</taxonomicName>
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<taxonomicNameLabel pageId="0" pageNumber="73">sp. nov.</taxonomicNameLabel>
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<figureCitation captionStart="Figures 1–4" captionStartId="F1" captionText="Figures 1 - 4. Habitus and colouration 1 Exocelina aipomek (Balke, 1998) 2 E. mekilensis sp. nov. 3 E. koroba sp. nov. 4 E. morobensis sp. nov." figureDoi="10.3897/zookeys.878.37403.figures1-4" httpUri="https://binary.pensoft.net/fig/344969" pageId="0" pageNumber="73" tableDoi="10.3897/zookeys.878.37403.figures1-4">Figs 3</figureCitation>
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,
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<figureCitation captionStart="Figure 9" captionStartId="F5" captionText="Figure 9. Exocelina mekilensis sp. nov. A median lobe in ventral view B median lobe in lateral view C paramere in external view D male protarsomeres 4 - 5 in ventral view." figureDoi="10.3897/zookeys.878.37403.figure9" httpUri="https://binary.pensoft.net/fig/344973" pageId="0" pageNumber="73" tableDoi="10.3897/zookeys.878.37403.figure9">9</figureCitation>
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="73" type="reference_group">
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<paragraph pageId="0" pageNumber="73">
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<taxonomicName class="Insecta" family="Dytiscidae" genus="Exocelina" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Exocelina" order="Coleoptera" pageId="0" pageNumber="73" phylum="Arthropoda" rank="genus">Exocelina</taxonomicName>
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undescribed sp. MB0686:
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<bibRefCitation DOI="https://doi.org/10.1038/ncomms5001" author="Toussaint, EFA" journalOrPublisher="Nature Communications" pageId="0" pageNumber="73" pagination="1 - 10" refId="B22" refString="Toussaint, EFA, Hall, R, Monaghan, MT, Sagata, K, Ibalim, S, Shaverdo, HV, Vogler, AP, Pons, J, Balke, M, 2014. The towering orogeny of New Guinea as a trigger for arthropod megadiversity. Nature Communications 1: 1 - 10" title="The towering orogeny of New Guinea as a trigger for arthropod megadiversity." url="https://doi.org/10.1038/ncomms5001" volume="1" year="2014">Toussaint et al. 2014</bibRefCitation>
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: supplementary figs 1-4, tab. 2;
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<bibRefCitation DOI="https://doi.org/10.1038/srep16016" author="Toussaint, EFA" journalOrPublisher="Nature Communications" pageId="0" pageNumber="73" refId="B23" refString="Toussaint, EFA, Henrich, L, Shaverdo, H, Balke, M, 2015. . https://doi.org/10.1038/srep16016" url="https://doi.org/10.1038/srep16016" year="2015">Toussaint et al. 2015</bibRefCitation>
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: supplementary figs S1, S2, tab. S3, and information S5, S6.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="73" type="type locality">
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<paragraph pageId="0" pageNumber="73">Type locality.</paragraph>
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<paragraph pageId="0" pageNumber="73">
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Papua New Guinea: Sandaun Province, Ofektaman,
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<geoCoordinate degrees="05" direction="south" minutes="04.11" orientation="latitude" precision="9" value="-5.0685">05°04.11'S</geoCoordinate>
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,
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<geoCoordinate degrees="141" direction="east" minutes="35.84" orientation="longitude" precision="9" value="141.59734">141°35.84'E</geoCoordinate>
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, 820 m a.s.l.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="73" type="type material">
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<paragraph pageId="0" pageNumber="73">Type material.</paragraph>
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<paragraph pageId="0" pageNumber="73">
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<emphasis italics="true" pageId="0" pageNumber="73">Holotype</emphasis>
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: male "Papua New Guinea: Sandaun, Ofektaman, 820m, 17.x.2008, 5.04.113S 141.35.841E, Ibalim (PNG 190)", "DNA M.Balke 3723" (ZSM).
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<emphasis italics="true" pageId="0" pageNumber="73">Paratypes</emphasis>
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: 1 male with the same label as the holotype (NHMW). 1 male "Papua New Guinea: Sandaun, Sokamin4, 1200m, 19.x.2003, 4 50.845S
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<geoCoordinate degrees="141" direction="east" minutes="37.865" orientation="longitude" precision="1" value="141.63109">141 37.865E</geoCoordinate>
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, K. Sagata (WB102)", "DNA M. Balke 665" [green text] (ZSM). 1 male, 4 females "Papua New Guinea: Sandaun, MekilW100, 1718m, 14.x.2003, 4 48.637S
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<geoCoordinate degrees="141" direction="east" minutes="38.994" orientation="longitude" precision="1" value="141.6499">141 38.994E</geoCoordinate>
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, K. Sagata (WB19)" (NHMW, ZSM). 1 male "DNA M. Balke 686" [green text], "Papua New Guinea: Sandaun, Mekil (WB19), 13.x.2003, K. Sagata, DNA M Balke: MB 686" (ZSM).
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="73" type="description">
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<paragraph pageId="0" pageNumber="73">Description.</paragraph>
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<paragraph pageId="0" pageNumber="73">
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<emphasis italics="true" pageId="0" pageNumber="73">Body size and form</emphasis>
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: Beetle medium-sized: TL-H 3.85-4.4 mm, TL 3.45-3.95 mm, MW 1.8-2.05 mm (holotype: TL-H 3.8 mm, TL 4.2 mm, MW 2.0 mm), with oblong-oval habitus.
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</paragraph>
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<paragraph pageId="0" pageNumber="73">
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<emphasis italics="true" pageId="0" pageNumber="73">Colouration</emphasis>
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: Dark brown, with paler sides of pronotum and head anteriorly. Head dark brown, piceous posteriorly; pronotum dark brown, with brown sides; elytra uniformly dark brown; head appendages and legs proximally reddish, legs distally darker, reddish brown (
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<figureCitation captionStart="Figures 1–4" captionStartId="F1" captionText="Figures 1 - 4. Habitus and colouration 1 Exocelina aipomek (Balke, 1998) 2 E. mekilensis sp. nov. 3 E. koroba sp. nov. 4 E. morobensis sp. nov." figureDoi="10.3897/zookeys.878.37403.figures1-4" httpUri="https://binary.pensoft.net/fig/344969" pageId="0" pageNumber="73" tableDoi="10.3897/zookeys.878.37403.figures1-4">Fig. 3</figureCitation>
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). Teneral specimen paler, brown to reddish brown with yellowish pronotal sides.
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</paragraph>
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<paragraph pageId="0" pageNumber="73">
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<emphasis italics="true" pageId="0" pageNumber="73">Surface sculpture</emphasis>
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: Shiny dorsally, with fine, sparse punctation and weakly impressed microreticulation. Head with relatively fine and sparse punctation (spaces between punctures 2-3 times size of punctures); diameter of punctures almost equal to or smaller than diameter of cells of microreticulation. Pronotum and elytra with much finer and sparser punctation than on head, inconspicuous. Pronotum and elytra with weakly impressed microreticulation. Head with microreticulation slightly stronger. Metaventrite, metacoxae, and abdominal ventrites distinctly microreticulate. Metacoxal plates with longitudinal strioles and weak transverse wrinkles; abdominal ventrites with strioles. Venter with extremely inconspicuous punctation, more evident on metacoxal plates and two last abdominal ventrites.
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</paragraph>
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<paragraph pageId="0" pageNumber="73">
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<emphasis italics="true" pageId="0" pageNumber="73">Structures</emphasis>
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: Pronotum without lateral bead. Base of prosternum and neck of prosternal process with distinct ridge, rounded anteriorly. Blade of prosternal process lanceolate, relatively narrow, slightly convex, with distinct bead and few setae laterally. Abdominal ventrite 6 slightly truncate.
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</paragraph>
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<paragraph pageId="0" pageNumber="73">
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<emphasis italics="true" pageId="0" pageNumber="73">Male</emphasis>
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: Protarsomere 4 with large, thick, strongly curved anterolateral hook-like seta. Protarsomere 5 ventrally with anterior band of ca. 60 and posterior row of ten relatively long setae (
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<figureCitation captionStart="Figure 9" captionStartId="F5" captionText="Figure 9. Exocelina mekilensis sp. nov. A median lobe in ventral view B median lobe in lateral view C paramere in external view D male protarsomeres 4 - 5 in ventral view." figureDoi="10.3897/zookeys.878.37403.figure9" httpUri="https://binary.pensoft.net/fig/344973" pageId="0" pageNumber="73" tableDoi="10.3897/zookeys.878.37403.figure9">Fig. 9D</figureCitation>
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). Abdominal ventrite 6 with 6-10 lateral striae on each side. Median lobe simple, slightly curved, in lateral view, apex thick, short and slightly curved downwards, its minuscule tip curved upwards (
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<figureCitation captionStart="Figure 9" captionStartId="F5" captionText="Figure 9. Exocelina mekilensis sp. nov. A median lobe in ventral view B median lobe in lateral view C paramere in external view D male protarsomeres 4 - 5 in ventral view." figureDoi="10.3897/zookeys.878.37403.figure9" httpUri="https://binary.pensoft.net/fig/344973" pageId="0" pageNumber="73" tableDoi="10.3897/zookeys.878.37403.figure9">Fig. 9A, B</figureCitation>
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). Paramere without notch on dorsal side, evenly tapering to distal part, with numerous small spines and without long setae (
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<figureCitation captionStart="Figure 9" captionStartId="F5" captionText="Figure 9. Exocelina mekilensis sp. nov. A median lobe in ventral view B median lobe in lateral view C paramere in external view D male protarsomeres 4 - 5 in ventral view." figureDoi="10.3897/zookeys.878.37403.figure9" httpUri="https://binary.pensoft.net/fig/344973" pageId="0" pageNumber="73" tableDoi="10.3897/zookeys.878.37403.figure9">Fig. 9C</figureCitation>
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).
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</paragraph>
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<paragraph pageId="0" pageNumber="73">
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<emphasis italics="true" pageId="0" pageNumber="73">Female</emphasis>
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: Without evident differences in external morphology from males, except for not modified protarsi and abdominal ventrite 6 without striae.
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</paragraph>
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<caption doi="10.3897/zookeys.878.37403.figure9" httpUri="https://binary.pensoft.net/fig/344973" pageId="0" pageNumber="73" start="Figure 9" startId="F5">
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<paragraph pageId="0" pageNumber="73">
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<emphasis bold="true" pageId="0" pageNumber="73">Figure 9.</emphasis>
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<taxonomicName class="Insecta" family="Dytiscidae" genus="Exocelina" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Exocelina mekilensis" order="Coleoptera" pageId="0" pageNumber="73" phylum="Arthropoda" rank="species" species="mekilensis">
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<emphasis italics="true" pageId="0" pageNumber="73">Exocelina mekilensis</emphasis>
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</taxonomicName>
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sp. nov.
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<emphasis bold="true" pageId="0" pageNumber="73">A</emphasis>
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median lobe in ventral view
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<emphasis bold="true" pageId="0" pageNumber="73">B</emphasis>
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median lobe in lateral view
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<emphasis bold="true" pageId="0" pageNumber="73">C</emphasis>
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paramere in external view
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<emphasis bold="true" pageId="0" pageNumber="73">D</emphasis>
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male protarsomeres 4-5 in ventral view.
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</paragraph>
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</caption>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="73" type="affinities">
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<paragraph pageId="0" pageNumber="73">Affinities.</paragraph>
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<paragraph pageId="0" pageNumber="73">
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From most species co-occurring in the same area (
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<taxonomicName lsidName="E. sandaunensis" pageId="0" pageNumber="73" rank="species" species="sandaunensis">
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<emphasis italics="true" pageId="0" pageNumber="73">E. sandaunensis</emphasis>
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</taxonomicName>
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,
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<taxonomicName lsidName="E. tabubilensis" pageId="0" pageNumber="73" rank="species" species="tabubilensis">
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<emphasis italics="true" pageId="0" pageNumber="73">E. tabubilensis</emphasis>
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</taxonomicName>
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Shaverdo & Balke, 2014,
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<taxonomicName lsidName="E. damantiensis" pageId="0" pageNumber="73" rank="species" species="damantiensis">
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<emphasis italics="true" pageId="0" pageNumber="73">E. damantiensis</emphasis>
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</taxonomicName>
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,
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<taxonomicName lsidName="E. okbapensis" pageId="0" pageNumber="73" rank="species" species="okbapensis">
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<emphasis italics="true" pageId="0" pageNumber="73">E. okbapensis</emphasis>
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</taxonomicName>
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Shaverdo & Balke, 2017, and
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<taxonomicName lsidName="E. may" pageId="0" pageNumber="73" rank="species" species="may">
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<emphasis italics="true" pageId="0" pageNumber="73">E. may</emphasis>
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</taxonomicName>
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Shaverdo & Balke, 2017),
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<taxonomicName lsidName="E. mekilensis" pageId="0" pageNumber="73" rank="species" species="mekilensis">
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<emphasis italics="true" pageId="0" pageNumber="73">E. mekilensis</emphasis>
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</taxonomicName>
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sp. nov. can be distinguished by its smaller size and absence of the pronotal bead, and simple male antennae. From the species without pronotal bead (
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<taxonomicName lsidName="E. pseudobifidae" pageId="0" pageNumber="73" rank="species" species="pseudobifidae">
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<emphasis italics="true" pageId="0" pageNumber="73">E. pseudobifidae</emphasis>
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</taxonomicName>
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Shaverdo & Balke, 2014,
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<taxonomicName lsidName="E. pseudoeme" pageId="0" pageNumber="73" rank="species" species="pseudoeme">
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<emphasis italics="true" pageId="0" pageNumber="73">E. pseudoeme</emphasis>
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</taxonomicName>
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Shaverdo & Balke, 2014, and
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<taxonomicName lsidName="E. ibalimi" pageId="0" pageNumber="73" rank="species" species="ibalimi">
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<emphasis italics="true" pageId="0" pageNumber="73">E. ibalimi</emphasis>
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</taxonomicName>
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Shaverdo & Balke, 2018), it can be differentiated by the shape and setation of its median lobe and paramere, which are very characteristic and resemble those of the
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<taxonomicName lsidName="E. ullrichi" pageId="0" pageNumber="73" rank="species" species="ullrichi">
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<emphasis italics="true" pageId="0" pageNumber="73">E. ullrichi</emphasis>
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</taxonomicName>
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group (
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<bibRefCitation author="Shaverdo, HV" journalOrPublisher="Koleopterologische Rundschau" pageId="0" pageNumber="73" pagination="31 - 40" refId="B15" refString="Shaverdo, HV, Balke, M, 2014. Exocelinakinibeli sp.n. from Papua New Guinea, a new species of the E.ullrichi-group (Coleoptera: Dytiscidae). Koleopterologische Rundschau 84: 31 - 40" title="Exocelinakinibeli sp. n. from Papua New Guinea, a new species of the E. ullrichi-group (Coleoptera: Dytiscidae)." volume="84" year="2014">Shaverdo and Balke 2014</bibRefCitation>
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).
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="73" type="distribution">
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<paragraph pageId="0" pageNumber="73">Distribution.</paragraph>
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<paragraph pageId="0" pageNumber="73">
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Papua New Guinea: Sandaun Province (
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<figureCitation captionStart="Figure 11" captionStartId="F7" captionText="Figure 11. Map of the eastern part of New Guinea showing distribution of the species of the monotypic groups." figureDoi="10.3897/zookeys.878.37403.figure11" httpUri="https://binary.pensoft.net/fig/344975" pageId="0" pageNumber="73" tableDoi="10.3897/zookeys.878.37403.figure11">Fig. 11</figureCitation>
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).
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="73" type="etymology">
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<paragraph pageId="0" pageNumber="73">Etymology.</paragraph>
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<paragraph pageId="0" pageNumber="73">The species is named after Mekil Village where most specimens of the species were found. The name is an adjective in the nominative singular.</paragraph>
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</subSubSection>
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</treatment>
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</document> |