treatments-xml/data/AC/52/00/AC52001898CC5FFBA6B8FEAC44FACAC6.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 &amp; Balke, Michael" docDate="2019" docId="AC52001898CC5FFBA6B8FEAC44FACAC6" docLanguage="en" docName="ZooKeys 878: 73-143" docOrigin="ZooKeys 878" docSource="http://dx.doi.org/10.3897/zookeys.878.37403" docTitle="Exocelina nomax J. Balfour-Browne 1939" docType="treatment" 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: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>
</mods:titleInfo>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Shaverdo, Helena</mods:namePart>
</mods:name>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Surbakti, Suriani</mods:namePart>
</mods:name>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Warikar, Evie L.</mods:namePart>
</mods:name>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Sagata, Katayo</mods:namePart>
</mods:name>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Balke, Michael</mods:namePart>
</mods:name>
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<mods:title>ZooKeys</mods:title>
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<mods:date>2019</mods:date>
<mods:detail type="volume">
<mods:number>878</mods:number>
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<mods:start>73</mods:start>
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<mods:classification>journal article</mods:classification>
<mods:identifier type="DOI">http://dx.doi.org/10.3897/zookeys.878.37403</mods:identifier>
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<treatment ID-GBIF-Taxon="159654828" LSID="urn:lsid:plazi:treatment:AC52001898CC5FFBA6B8FEAC44FACAC6" httpUri="http://treatment.plazi.org/id/AC52001898CC5FFBA6B8FEAC44FACAC6" lastPageNumber="73" pageId="0" pageNumber="73">
<subSubSection pageId="0" pageNumber="73" type="nomenclature">
<paragraph pageId="0" pageNumber="73">
15. 
<taxonomicName LSID="AC520018-98CC-5FFB-A6B8-FEAC44FACAC6" authority="J. Balfour-Browne, 1939" authorityName="J. Balfour-Browne" authorityYear="1939" class="Insecta" family="Dytiscidae" genus="Exocelina" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Exocelina nomax" order="Coleoptera" pageId="0" pageNumber="73" phylum="Arthropoda" rank="species" species="nomax">Exocelina nomax (J. Balfour-Browne, 1939)</taxonomicName>
<figureCitation captionStart="Figures 35–39" captionStartId="F18" captionText="Figures 35 - 39. Habitus and colouration 35 Exocelina larsoni (Balke, 1998) 36 E. nomax (J. Balfour-Browne, 1939) A holotype B specimen from Tapini 37 E. warahulenensis sp. nov. 38 E. mianminensis sp. nov. 39 E. takime (Balke, 1998)." figureDoi="10.3897/zookeys.878.37403.figures35-39" httpUri="https://binary.pensoft.net/fig/344986" pageId="0" pageNumber="73" tableDoi="10.3897/zookeys.878.37403.figures35-39">Figs 36</figureCitation>
, 
<figureCitation captionStart="Figures 41, 42" captionStartId="F20" captionText="Figures 41, 42. 41 Exocelina nomax (J. Balfour-Browne, 1939) 42 E. warahulenensis 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.figures41-42" httpUri="https://binary.pensoft.net/fig/344988" pageId="0" pageNumber="73" tableDoi="10.3897/zookeys.878.37403.figures41-42">41</figureCitation>
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="73" type="reference_group">
<paragraph pageId="0" pageNumber="73">
<taxonomicName class="Insecta" family="Dytiscidae" genus="Copelatus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Copelatus nomax" order="Coleoptera" pageId="0" pageNumber="73" phylum="Arthropoda" rank="species" species="nomax">Copelatus nomax</taxonomicName>
J. Balfour-Browne, 1939: 65-66; 
<bibRefCitation author="Guignot, F" journalOrPublisher="Annales Historico-naturales Musei Nationalis Hungarici (NS)" pageId="0" pageNumber="73" pagination="51 - 60" refId="B7" refString="Guignot, F, 1956. Dytiscides recoltes par le Dr. L. Biro en Nouvelle Guinee et dans l'ile de Java (Coleoptera). Annales Historico-naturales Musei Nationalis Hungarici (NS) 7: 51 - 60" title="Dytiscides recoltes par le Dr. L. Biro en Nouvelle Guinee et dans l'ile de Java (Coleoptera)." volume="7" year="1956">Guignot 1956</bibRefCitation>
: 55 (catalogue); 
<bibRefCitation author="Gueorguiev, VB" journalOrPublisher="Izvestiya na Zoologicheskiya Institut (s Muei) Sofiya" pageId="0" pageNumber="73" pagination="5 - 45" refId="B4" refString="Gueorguiev, VB, 1968. Essai de classification des coleopteres Dytiscidae. I. Tribus Copelatini (Colymbetinae). Izvestiya na Zoologicheskiya Institut (s Muei) Sofiya 28: 5 - 45" title="Essai de classification des coleopteres Dytiscidae. I. Tribus Copelatini (Colymbetinae)." volume="28" year="1968">
<normalizedToken originalValue="Guéorguiev">Gueorguiev</normalizedToken>
1968
</bibRefCitation>
: 34 (catalogue).
</paragraph>
<paragraph pageId="0" pageNumber="73">
<taxonomicName class="Insecta" family="Dytiscidae" genus="Copelatus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Copelatus nomax" order="Coleoptera" pageId="0" pageNumber="73" phylum="Arthropoda" rank="species" species="nomax">Copelatus nomax</taxonomicName>
J. Balfour-Browne, 1939 sensu 
<bibRefCitation DOI="https://doi.org/10.5038/1827-806X.9.3.5" author="Gueorguiev, VB" journalOrPublisher="International Journal of Speleology" pageId="0" pageNumber="73" pagination="267 - 272" refId="B5" refString="Gueorguiev, VB, 1978. Dytiscidae cavernicole de Papousaie (Resultats zoologiques de la Mission speleologique britannique en Papouasie - Nouvelle Guinee, 1975, I). International Journal of Speleology 9: 267 - 272" title="Dytiscidae cavernicole de Papousaie (Resultats zoologiques de la Mission speleologique britannique en Papouasie - Nouvelle Guinee, 1975, I)." url="https://doi.org/10.5038/1827-806X.9.3.5" volume="9" year="1978">
<normalizedToken originalValue="Guéorguiev">Gueorguiev</normalizedToken>
1978
</bibRefCitation>
: 268-269 (key); 
<bibRefCitation pageId="0" pageNumber="73" refId="B6">
<normalizedToken originalValue="Guéorguiev">Gueorguiev</normalizedToken>
and Rocchi 1993
</bibRefCitation>
: 148.
</paragraph>
<paragraph pageId="0" pageNumber="73">
<taxonomicName class="Insecta" family="Dytiscidae" genus="Copelatus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Copelatus (Papuadytes) nomax" order="Coleoptera" pageId="0" pageNumber="73" phylum="Arthropoda" rank="species" species="nomax" subGenus="Papuadytes">Copelatus (Papuadytes) nomax</taxonomicName>
J. Balfour-Browne, 1939: 
<bibRefCitation pageId="0" pageNumber="73" refId="B2">Balke 1998</bibRefCitation>
: 334 (notes, diagnosis); 
<bibRefCitation pageId="0" pageNumber="73" refId="B9">Nilsson 2001</bibRefCitation>
: 77 (catalogue).
</paragraph>
<paragraph pageId="0" pageNumber="73">
<taxonomicName class="Insecta" family="Dytiscidae" genus="Papuadytes" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Papuadytes nomax" order="Coleoptera" pageId="0" pageNumber="73" phylum="Arthropoda" rank="species" species="nomax">Papuadytes nomax</taxonomicName>
(J. Balfour-Browne, 1939): 
<bibRefCitation author="Nilsson, AN" journalOrPublisher="Koleopterologische Rundschau" pageId="0" pageNumber="73" pagination="55 - 74" refId="B11" refString="Nilsson, AN, Fery, H, 2006. World Catalogue of Dytiscidae - corrections and additions, 3 (Coleoptera: Dytiscidae). Koleopterologische Rundschau 76: 55 - 74" title="World Catalogue of Dytiscidae - corrections and additions, 3 (Coleoptera: Dytiscidae)." volume="76" year="2006">Nilsson and Fery 2006</bibRefCitation>
: 56 (comb. nov.).
</paragraph>
<paragraph pageId="0" pageNumber="73">
<taxonomicName class="Insecta" family="Dytiscidae" genus="Exocelina" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Exocelina nomax" order="Coleoptera" pageId="0" pageNumber="73" phylum="Arthropoda" rank="species" species="nomax">Exocelina nomax</taxonomicName>
(J. Balfour-Browne, 1939): 
<bibRefCitation author="Nilsson, AN" journalOrPublisher="Latissimus" pageId="0" pageNumber="73" pagination="33 - 34" refId="B10" refString="Nilsson, AN, 2007. Exocelina Broun, 1886, is the valid name of Papuadytes Balke, 1998. Latissimus 23: 33 - 34" title="Exocelina Broun, 1886, is the valid name of Papuadytes Balke, 1998." volume="23" year="2007">Nilsson 2007</bibRefCitation>
: 34 (comb. nov.).
</paragraph>
<paragraph pageId="0" pageNumber="73">
<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>
undescribed sp. MB3405: 
<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>
: supplementary figs 1-4, tab. 2; 
<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>
: supplementary figs S1, S2, tab. S3, and information S5, S6.
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="73" type="type locality">
<paragraph pageId="0" pageNumber="73">Type locality.</paragraph>
<paragraph pageId="0" pageNumber="73">
Papua New Guinea: Central Province, Mafulu, ca. 
<geoCoordinate degrees="08" direction="south" minutes="30" orientation="latitude" precision="925" value="-8.5">08°30'S</geoCoordinate>
, 
<geoCoordinate degrees="147" direction="east" minutes="00" orientation="longitude" precision="925" value="147.0">147°00'E</geoCoordinate>
, ca. 1219 m a.s.l.
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="73" type="type material">
<paragraph pageId="0" pageNumber="73">Type material.</paragraph>
<paragraph pageId="0" pageNumber="73">
<emphasis italics="true" pageId="0" pageNumber="73">Holotype</emphasis>
: female 
<normalizedToken originalValue="“Type”">&quot;Type&quot;</normalizedToken>
[round, with red bead], &quot;PAPUA: Mafulu. 4,000ft. i.1934. L.E.Cheesman. B.M.1934-321.&quot;, &quot; 
<taxonomicName class="Insecta" family="Dytiscidae" genus="Copelatus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Copelatus nomax" order="Coleoptera" pageId="0" pageNumber="73" phylum="Arthropoda" rank="species" species="nomax">Copelatus nomax</taxonomicName>
, ♀ Type nov.sp.&quot; [hw, the word 
<normalizedToken originalValue="“type”">&quot;type&quot;</normalizedToken>
with red ink], 
<normalizedToken originalValue="“Holotype”">&quot;Holotype&quot;</normalizedToken>
[red] (BMNH).
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="73" type="materials_examined">
<paragraph pageId="0" pageNumber="73">Additional material.</paragraph>
<paragraph pageId="0" pageNumber="73">
<emphasis bold="true" pageId="0" pageNumber="73">Central</emphasis>
: 23 males, 32 females &quot;Papua New Guinea: Central, Kokoda Trek, 320m, i.2008 [09°] 
<geoCoordinate degrees="19.236" direction="south" orientation="latitude" precision="55" value="-19.236">19.236S</geoCoordinate>
147.31.791E, Posman (PNG 168)&quot;, one male with an additional green label &quot;DNA M.Balke 3405&quot; (NHMW, ZSM). 4 males &quot;Papua New Guinea: Central, Kokoda Trek, 980m, i.2008, [09°] 
<geoCoordinate degrees="15.933" direction="south" orientation="latitude" precision="55" value="-15.933">15.933S</geoCoordinate>
147.36.590E, Posman (PNG 169)&quot;, one of them with an additional green label &quot;DNA M.Balke 3411&quot; (ZSM). 1 female &quot;Papua New Guinea: Central, Kokoda Trek, 980m, i.2008, [09°] 
<geoCoordinate degrees="15.933" direction="south" orientation="latitude" precision="55" value="-15.933">15.933S</geoCoordinate>
147.36.590E, Posman (PNG 169)&quot;, &quot;DNA M.Balke 4117&quot; [green] (ZSM). 10 males, 2 females &quot;Papua New Guinea: Central, Kokoda Trek, 590m, i.2008, [09°] 
<geoCoordinate degrees="14.339" direction="south" orientation="latitude" precision="55" value="-14.339">14.339S</geoCoordinate>
147.36.920E, Posman (PNG 170)&quot; (NHMW, ZSM). 19 males, 31 females &quot;Papua New Guinea: Central, Tapini, 1200m, 31.x.2007, 08.21.557S 146.58.712E, Kinibel (PNG 162)&quot;, one of the males with an additional green label &quot;DNA M.Balke 3306&quot; (NHMW, ZSM). 2 males, 3 females &quot;Papua New Guinea: Central, Moreguina [10°'57&quot;S, 
<geoCoordinate degrees="148" direction="east" minutes="28" orientation="longitude" precision="15" seconds="27" value="148.47417">148°28'27&quot;E</geoCoordinate>
], 16.viii.2008, Posman (PNG 183)&quot;, males and one female with additional green labels &quot;DNA M.Balke 3745&quot;, &quot;DNA M.Balke 3816&quot;, &quot;DNA M.Balke 3746&quot; respectively (ZSM). 5 males, 9 females &quot;Papua New Guinea: Central, Moroka area, Kailaki, 827 m, 26.x.2009, 9.24.134S 147.33.521E, Sagata (PNG225)&quot; (NHMW, ZSM). 14 males, 8 females &quot;Papua New Guinea: Central, Moroka, Kailaki, 827 m, 26.x.2009, 9.24.113S 147.33.524E, Sagata (PNG226)&quot; (NHMW, ZSM). 1 female &quot;Papua New Guinea Central, Moroka, Kailaki Wareaga, 760m, 27x2009 9.25.424S 147.31.068E Sagata (PNG227)&quot; (ZSM). 27 males, 39 females &quot;Papua New Guinea: Central, 755m, 28.x.2009 S9 25 47 5 E147 32 59.1, Sagata (PNG229)&quot; (NHMW, ZSM). 
<emphasis bold="true" pageId="0" pageNumber="73">National Capital District</emphasis>
: 2 males, 3 females &quot;Papua New Guinea: National Capital District, Varirata NP, 600m, 16.xii.2007, 09.26.13S 147.22.09E, Balke &amp; Sagata (PNG 159)&quot;, males with additional green labels &quot;DNA M.Balke 3304&quot; and &quot;DNA M.Balke 3305&quot; (ZSM).
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="73" type="redescription">
<paragraph pageId="0" pageNumber="73">Redescription.</paragraph>
<paragraph pageId="0" pageNumber="73">
<emphasis italics="true" pageId="0" pageNumber="73">Body size and form</emphasis>
: Beetle small: TL-H 3.0-3.8 mm, TL 3.45-4.2 mm, MW 1.7-2.15 mm (holotype: TL-H 3.5 mm, TL 3.95 mm, MW 1.95 mm), with oblong-oval habitus.
</paragraph>
<paragraph pageId="0" pageNumber="73">
<emphasis italics="true" pageId="0" pageNumber="73">Colouration</emphasis>
: Dark brown, with paler sides of pronotum and head. Head reddish to reddish brown, darker posterior to eyes. Pronotum brown to dark brown on disc and reddish to reddish brown on sides. Elytra uniformly dark brown. Head appendages and legs proximally yellowish, legs distally darker, reddish brown (
<figureCitation captionStart="Figures 35–39" captionStartId="F18" captionText="Figures 35 - 39. Habitus and colouration 35 Exocelina larsoni (Balke, 1998) 36 E. nomax (J. Balfour-Browne, 1939) A holotype B specimen from Tapini 37 E. warahulenensis sp. nov. 38 E. mianminensis sp. nov. 39 E. takime (Balke, 1998)." figureDoi="10.3897/zookeys.878.37403.figures35-39" httpUri="https://binary.pensoft.net/fig/344986" pageId="0" pageNumber="73" tableDoi="10.3897/zookeys.878.37403.figures35-39">Fig. 36</figureCitation>
). Teneral specimen paler.
</paragraph>
<paragraph pageId="0" pageNumber="73">
<emphasis italics="true" pageId="0" pageNumber="73">Surface sculpture</emphasis>
: Shiny dorsally, with inconspicuous punctation and weakly impressed microreticulation. Head with fine and sparse punctation (spaces between punctures 1-3 times size of punctures); diameter of punctures smaller than or equal to diameter of cells of microreticulation. Pronotum with finer and sparser punctation than on head. Punctation on elytra finer and sparser than on pronotum, inconspicuous, in some specimens invisible. Disc of pronotum and elytra with weakly impressed microreticulation; head and lateral sides of pronotum with microreticulation stronger. Metaventrite, metacoxae, and abdominal ventrites distinctly microreticulate. Metacoxal plates with longitudinal strioles and weak transverse wrinkles; abdominal ventrites with strioles. Punctation on venter inconspicuous, slightly stronger on two last abdominal ventrites.
</paragraph>
<paragraph pageId="0" pageNumber="73">
<emphasis italics="true" pageId="0" pageNumber="73">Structures</emphasis>
: Pronotum with narrow lateral bead. Base of prosternum and neck of prosternal process with distinct ridge, rounded anteriorly. Blade of prosternal process lanceolate, narrow, slightly convex, with distinct bead and few setae laterally. Abdominal ventrite 6 truncate.
</paragraph>
<paragraph pageId="0" pageNumber="73">
<emphasis italics="true" pageId="0" pageNumber="73">Male</emphasis>
: Protarsomere 4 with large, thick, strongly curved anterolateral hook-like seta. Protarsomere 5 ventrally with anterior band of ca. 30 and posterior row of nine relatively long setae (
<figureCitation captionStart="Figures 41, 42" captionStartId="F20" captionText="Figures 41, 42. 41 Exocelina nomax (J. Balfour-Browne, 1939) 42 E. warahulenensis 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.figures41-42" httpUri="https://binary.pensoft.net/fig/344988" pageId="0" pageNumber="73" tableDoi="10.3897/zookeys.878.37403.figures41-42">Fig. 41D</figureCitation>
). Abdominal ventrite 6 with 7-11 lateral striae on each side. Median lobe slender, without lateral setae apically; in lateral view, evenly curved to broadly pointed, elongate apex; in ventral view, apex slightly truncate, asymmetrical (
<figureCitation captionStart="Figures 41, 42" captionStartId="F20" captionText="Figures 41, 42. 41 Exocelina nomax (J. Balfour-Browne, 1939) 42 E. warahulenensis 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.figures41-42" httpUri="https://binary.pensoft.net/fig/344988" pageId="0" pageNumber="73" tableDoi="10.3897/zookeys.878.37403.figures41-42">Fig. 41A, B</figureCitation>
). Paramere very slightly concave on dorsal side, with long and dense subdistal and inconspicuous proximal setae (
<figureCitation captionStart="Figures 41, 42" captionStartId="F20" captionText="Figures 41, 42. 41 Exocelina nomax (J. Balfour-Browne, 1939) 42 E. warahulenensis 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.figures41-42" httpUri="https://binary.pensoft.net/fig/344988" pageId="0" pageNumber="73" tableDoi="10.3897/zookeys.878.37403.figures41-42">Fig. 41C</figureCitation>
).
</paragraph>
<paragraph pageId="0" pageNumber="73">
<emphasis italics="true" pageId="0" pageNumber="73">Female</emphasis>
: Without evident differences in external morphology from males, except for not modified protarsi and abdominal ventrite 6 without striae.
</paragraph>
<caption doi="10.3897/zookeys.878.37403.figures41-42" httpUri="https://binary.pensoft.net/fig/344988" pageId="0" pageNumber="73" start="Figures 41, 42" startId="F20">
<paragraph pageId="0" pageNumber="73">
<emphasis bold="true" pageId="0" pageNumber="73">Figures 41, 42.</emphasis>
<emphasis bold="true" pageId="0" pageNumber="73">41</emphasis>
<taxonomicName class="Insecta" family="Dytiscidae" genus="Exocelina" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Exocelina nomax" order="Coleoptera" pageId="0" pageNumber="73" phylum="Arthropoda" rank="species" species="nomax">
<emphasis italics="true" pageId="0" pageNumber="73">Exocelina nomax</emphasis>
</taxonomicName>
(J. Balfour-Browne, 1939) 
<emphasis bold="true" pageId="0" pageNumber="73">42</emphasis>
<taxonomicName lsidName="E. warahulenensis" pageId="0" pageNumber="73" rank="species" species="warahulenensis">
<emphasis italics="true" pageId="0" pageNumber="73">E. warahulenensis</emphasis>
</taxonomicName>
sp. nov. 
<emphasis bold="true" pageId="0" pageNumber="73">A</emphasis>
median lobe in ventral view 
<emphasis bold="true" pageId="0" pageNumber="73">B</emphasis>
median lobe in lateral view 
<emphasis bold="true" pageId="0" pageNumber="73">C</emphasis>
paramere in external view 
<emphasis bold="true" pageId="0" pageNumber="73">D</emphasis>
male protarsomeres 4-5 in ventral view.
</paragraph>
</caption>
</subSubSection>
<subSubSection pageId="0" pageNumber="73" type="type material">
<paragraph pageId="0" pageNumber="73">Notes on identity of the additional material with the holotype, affinities.</paragraph>
<paragraph pageId="0" pageNumber="73">
<bibRefCitation pageId="0" pageNumber="73" refId="B2">Balke (1998</bibRefCitation>
: 334) indicates 
<taxonomicName class="Insecta" family="Dytiscidae" genus="Exocelina" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Exocelina nomax" order="Coleoptera" pageId="0" pageNumber="73" phylum="Arthropoda" rank="species" species="nomax">
<emphasis italics="true" pageId="0" pageNumber="73">Exocelina nomax</emphasis>
</taxonomicName>
as species minus cognitus. However, our study of the material collected from Tapini, village ca. 20 km north to Mafulu, allows us to consider with certain confidence that it belongs to 
<taxonomicName lsidName="E. nomax" pageId="0" pageNumber="73" rank="species" species="nomax">
<emphasis italics="true" pageId="0" pageNumber="73">E. nomax</emphasis>
</taxonomicName>
. It is the only 
<taxonomicName class="Insecta" family="Dytiscidae" genus="Exocelina" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Exocelina" order="Coleoptera" pageId="0" pageNumber="73" phylum="Arthropoda" rank="genus">
<emphasis italics="true" pageId="0" pageNumber="73">Exocelina</emphasis>
</taxonomicName>
species collected from this area, and it was collected in abundant number (50 specimens) in Tapini. We assume this locality as the most northern distribution border of the species, which is very numerous in Kokoda and Kailaki areas. Morphologically, the specimens from Tapini, Kokoda, Kailaki and Varirata are identical to the holotype (
<figureCitation captionStart="Figures 35–39" captionStartId="F18" captionText="Figures 35 - 39. Habitus and colouration 35 Exocelina larsoni (Balke, 1998) 36 E. nomax (J. Balfour-Browne, 1939) A holotype B specimen from Tapini 37 E. warahulenensis sp. nov. 38 E. mianminensis sp. nov. 39 E. takime (Balke, 1998)." figureDoi="10.3897/zookeys.878.37403.figures35-39" httpUri="https://binary.pensoft.net/fig/344986" pageId="0" pageNumber="73" tableDoi="10.3897/zookeys.878.37403.figures35-39">Fig. 36A, B</figureCitation>
). Only three species occur close to Tapini-Mafulu area: 
<taxonomicName lsidName="E. garaina" pageId="0" pageNumber="73" rank="species" species="garaina">
<emphasis italics="true" pageId="0" pageNumber="73">E. garaina</emphasis>
</taxonomicName>
, 
<taxonomicName lsidName="E. posmani" pageId="0" pageNumber="73" rank="species" species="posmani">
<emphasis italics="true" pageId="0" pageNumber="73">E. posmani</emphasis>
</taxonomicName>
Shaverdo &amp; Balke, 2016, and 
<taxonomicName lsidName="E. woitapensis" pageId="0" pageNumber="73" rank="species" species="woitapensis">
<emphasis italics="true" pageId="0" pageNumber="73">E. woitapensis</emphasis>
</taxonomicName>
Shaverdo &amp; Balke, 2016 (the 
<taxonomicName lsidName="E. danae" pageId="0" pageNumber="73" rank="species" species="danae">
<emphasis italics="true" pageId="0" pageNumber="73">E. danae</emphasis>
</taxonomicName>
group). But they are larger (TL-H 3.6-4.5 mm), and the smallest of them, 
<taxonomicName lsidName="E. woitapensis" pageId="0" pageNumber="73" rank="species" species="woitapensis">
<emphasis italics="true" pageId="0" pageNumber="73">E. woitapensis</emphasis>
</taxonomicName>
, is matt dorsally. Moreover, 
<taxonomicName lsidName="E. nomax" pageId="0" pageNumber="73" rank="species" species="nomax">
<emphasis italics="true" pageId="0" pageNumber="73">E. nomax</emphasis>
</taxonomicName>
can be differentiated from them by its narrow pronotal bead, a very characteristic feature. Smaller size and narrow bead of the pronotum can be used to distinguish it from E. 
<taxonomicName lsidName="jaseminae" pageId="0" pageNumber="73" rank="species" species="jaseminae">
<emphasis italics="true" pageId="0" pageNumber="73">jaseminae</emphasis>
</taxonomicName>
, a species very similar to it in colour and surface structures. From the other species co-occurring in the Central and National Capital District Provinces (
<taxonomicName lsidName="E. bacchusi" pageId="0" pageNumber="73" rank="species" species="bacchusi">
<emphasis italics="true" pageId="0" pageNumber="73">E. bacchusi</emphasis>
</taxonomicName>
, 
<taxonomicName lsidName="E. pulchella" pageId="0" pageNumber="73" rank="species" species="pulchella">
<emphasis italics="true" pageId="0" pageNumber="73">E. pulchella</emphasis>
</taxonomicName>
sp. nov., and species of the 
<taxonomicName lsidName="E. danae" pageId="0" pageNumber="73" rank="species" species="danae">
<emphasis italics="true" pageId="0" pageNumber="73">E. danae</emphasis>
</taxonomicName>
and 
<taxonomicName lsidName="E. jaseminae" pageId="0" pageNumber="73" rank="species" species="jaseminae">
<emphasis italics="true" pageId="0" pageNumber="73">E. jaseminae</emphasis>
</taxonomicName>
groups), 
<taxonomicName lsidName="E. nomax" pageId="0" pageNumber="73" rank="species" species="nomax">
<emphasis italics="true" pageId="0" pageNumber="73">E. nomax</emphasis>
</taxonomicName>
can be distinguished by its body size and colouration, dorsal punctation and microreticulation, narrow pronotal bead, and shape and setation of its median lobe and paramere. See also under 
<taxonomicName lsidName="E. warahulenensis" pageId="0" pageNumber="73" rank="species" species="warahulenensis">
<emphasis italics="true" pageId="0" pageNumber="73">E. warahulenensis</emphasis>
</taxonomicName>
sp. nov. and 
<normalizedToken originalValue="“Key”">&quot;Key&quot;</normalizedToken>
.
</paragraph>
<paragraph pageId="0" pageNumber="73">
The specimen from Telefomin (Sandaun Province), 1 male &quot;PAPUA, Selminumtem [Selminum Tem, 45 km SWS Telefomin, ca. 5°S; 141°15'E], W.Sepik d. P.Beron leg.&quot;, &quot; 
<taxonomicName class="Insecta" family="Dytiscidae" genus="Copelatus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Copelatus nomax" order="Coleoptera" pageId="0" pageNumber="73" phylum="Arthropoda" rank="species" species="nomax">Copelatus nomax</taxonomicName>
J.B.Br. det.V. 
<normalizedToken originalValue="Guéorguiev">Gueorguiev</normalizedToken>
1917&quot; [partly hw] (NHMW), which was identified by 
<normalizedToken originalValue="Guéorguiev">Gueorguiev</normalizedToken>
&amp; Rocchi (1993: 148) as 
<taxonomicName lsidName="E. nomax" pageId="0" pageNumber="73" rank="species" species="nomax">
<emphasis italics="true" pageId="0" pageNumber="73">E. nomax</emphasis>
</taxonomicName>
and indicated by 
<bibRefCitation pageId="0" pageNumber="73" refId="B2">Balke (1998</bibRefCitation>
: 334, 338) as &quot;sp. 4&quot; has been recently described under the name 
<taxonomicName lsidName="E. okbapensis" pageId="0" pageNumber="73" rank="species" species="okbapensis">
<emphasis italics="true" pageId="0" pageNumber="73">E. okbapensis</emphasis>
</taxonomicName>
Shaverdo &amp; Balke, 2017 (
<bibRefCitation DOI="https://doi.org/10.3897/zookeys.665.11792" author="Shaverdo, H" journalOrPublisher="ZooKeys" pageId="0" pageNumber="73" pagination="93 - 120" refId="B20" refString="Shaverdo, H, Wild, M, Sumoked, B, Balke, M, 2017. Six new species of the genus Exocelina Broun, 1886 from Wano Land, New Guinea (Coleoptera, Dytiscidae, Copelatinae). ZooKeys 665: 93 - 120" title="Six new species of the genus Exocelina Broun, 1886 from Wano Land, New Guinea (Coleoptera, Dytiscidae, Copelatinae)." url="https://doi.org/10.3897/zookeys.665.11792" volume="665" year="2017">Shaverdo et al. 2017</bibRefCitation>
).
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="73" type="distribution">
<paragraph pageId="0" pageNumber="73">Distribution.</paragraph>
<paragraph pageId="0" pageNumber="73">
Papua New Guinea: Central and National Capital District Provinces (
<figureCitation captionStart="Figure 45" captionStartId="F22" captionText="Figure 45. Map of the eastern part of New Guinea showing distribution of the species of the E. larsoni and takime groups." figureDoi="10.3897/zookeys.878.37403.figure45" httpUri="https://binary.pensoft.net/fig/344990" pageId="0" pageNumber="73" tableDoi="10.3897/zookeys.878.37403.figure45">Fig. 45</figureCitation>
). The species is known from numerous specimens in the Central Province and a small population in the National Capital District.
</paragraph>
</subSubSection>
</treatment>
</document>