164 lines
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164 lines
16 KiB
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<document ID-DOI="http://dx.doi.org/10.3897/zookeys.982.39335" ID-GBIF-Dataset="bce8ef84-ae49-4d74-9e8f-70956f7f1045" ID-PMC="PMC7652811" ID-Pensoft-Pub="1313-2970-982-1" ID-Pensoft-UUID="3CE1918734BB564983D41F6DCD827C26" ID-PubMed="33239953" ID-ZooBank="5318E21ED1A743F78C1A743F55EBA8C0" ModsDocID="1313-2970-982-1" checkinTime="1604357054286" checkinUser="pensoft" docAuthor="Du, Xueyong, Slipinski, Adam, Liu, Zhenhua & Pang, Hong" docDate="2020" docId="DA8B65B54A575222A83CA2E940C695ED" docLanguage="en" docName="ZooKeys 982: 1-9" docOrigin="ZooKeys 982" docSource="http://dx.doi.org/10.3897/zookeys.982.39335" docTitle="Eucinetus parvus Du & Slipinski & Liu & Pang 2020, sp. nov." docType="treatment" docUuid="2E2CC58D-59B7-4AB1-AB3F-64DD3D733225" docUuidSource="ZooBank" docVersion="4" id="3CE1918734BB564983D41F6DCD827C26" lastPageNumber="1" masterDocId="3CE1918734BB564983D41F6DCD827C26" masterDocTitle="Description of a new species of Eucinetidae (Coleoptera, Scirtoidea) from Cretaceous Burmese amber" masterLastPageNumber="9" masterPageNumber="1" pageNumber="1" updateTime="1668169701492" 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>Description of a new species of Eucinetidae (Coleoptera, Scirtoidea) from Cretaceous Burmese amber</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>Du, Xueyong</mods:namePart>
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<mods:affiliation>State Key Laboratory of Biocontrol, School of Life Sciences, Sun Yat-sen University, Guangzhou 510275, China</mods:affiliation>
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<mods:nameIdentifier type="orcid">https://orcid.org/0000-0001-9481-1151</mods:nameIdentifier>
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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>Slipinski, Adam</mods:namePart>
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<mods:affiliation>Australian National Insect Collection, CSIRO, GPO Box 1700, Canberra, ACT 2601, Australia</mods:affiliation>
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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>Liu, Zhenhua</mods:namePart>
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<mods:affiliation>State Key Laboratory of Biocontrol, School of Life Sciences, Sun Yat-sen University, Guangzhou 510275, China & Australian National Insect Collection, CSIRO, GPO Box 1700, Canberra, ACT 2601, Australia</mods:affiliation>
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<mods:nameIdentifier type="email">liuzhh22@mail2.sysu.edu.com</mods:nameIdentifier>
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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>Pang, Hong</mods:namePart>
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<mods:affiliation>State Key Laboratory of Biocontrol, School of Ecology, Sun Yat-sen University, Guangzhou 510275, China</mods:affiliation>
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<mods:nameIdentifier type="orcid">https://orcid.org/0000-0002-0585-3577</mods:nameIdentifier>
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<mods:nameIdentifier type="email">lsshpang@mail.sysu.edu.cn</mods:nameIdentifier>
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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>2020</mods:date>
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<mods:detail type="volume">
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<mods:number>982</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>9</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.982.39335</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.982.39335</mods:identifier>
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<mods:identifier type="Pensoft-Pub">1313-2970-982-1</mods:identifier>
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<mods:identifier type="ZooBank">5318E21ED1A743F78C1A743F55EBA8C0</mods:identifier>
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<mods:identifier type="Pensoft-UUID">3CE1918734BB564983D41F6DCD827C26</mods:identifier>
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</mods:mods>
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<treatment ID-GBIF-Taxon="168752403" LSID="urn:lsid:zoobank.org:act:2E2CC58D-59B7-4AB1-AB3F-64DD3D733225" httpUri="http://treatment.plazi.org/id/DA8B65B54A575222A83CA2E940C695ED" lastPageNumber="1" pageId="0" pageNumber="1">
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<subSubSection pageId="0" pageNumber="1" type="nomenclature">
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<paragraph pageId="0" pageNumber="1">
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<taxonomicName LSID="DA8B65B5-4A57-5222-A83C-A2E940C695ED" authority="Du & Slipinski & Liu & Pang, 2020" authorityName="Du & Slipinski & Liu & Pang" authorityYear="2020" class="Insecta" family="Eucinetidae" genus="Eucinetus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Eucinetus parvus" order="Coleoptera" pageId="0" pageNumber="1" phylum="Arthropoda" rank="species" species="parvus" status="sp. nov.">Eucinetus parvus</taxonomicName>
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<taxonomicNameLabel pageId="0" pageNumber="1">sp. nov.</taxonomicNameLabel>
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<figureCitation captionStart="Figure 1" captionStartId="F1" captionText="Figure 1. Eucinetus parvus sp. nov., holotype SYS-ENAM 0011 A, C lateral view, opposite B ventral view D head, antennae, maxillary and labial palps E hind tarsi. Scale bars: 0.5 mm (A-C); 0.2 mm (D, E)." figureDoi="10.3897/zookeys.982.39335.figure1" httpUri="https://binary.pensoft.net/fig/470355" pageId="0" pageNumber="1">Figures 1</figureCitation>
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<figureCitation captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Eucinetus parvus sp. nov., holotype SYS-ENAM 0011, line drawing. Scale bar: 0.5 mm." figureDoi="10.3897/zookeys.982.39335.figure2" httpUri="https://binary.pensoft.net/fig/470356" pageId="0" pageNumber="1">, 2</figureCitation>
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="1" type="etymology">
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<paragraph pageId="0" pageNumber="1">Etymology.</paragraph>
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<paragraph pageId="0" pageNumber="1">
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Latin,
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<taxonomicName authorityName="Du & Slipinski & Liu & Pang" authorityYear="2020" class="Insecta" family="Eucinetidae" genus="Eucinetus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="parvus" order="Coleoptera" pageId="0" pageNumber="1" phylum="Arthropoda" rank="species" species="parvus">
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<emphasis italics="true" pageId="0" pageNumber="1">parvus</emphasis>
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</taxonomicName>
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, meaning small, which refers to the small body size of the new species.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="1" type="holotype">
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<paragraph pageId="0" pageNumber="1">Holotype.</paragraph>
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<paragraph pageId="0" pageNumber="1">SYS-ENAM0011, female.</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="1" type="locality and horizon">
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<paragraph pageId="0" pageNumber="1">Locality and horizon.</paragraph>
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<paragraph pageId="0" pageNumber="1">Hukawng Valley, Kachin State, northern Myanmar; lowermost Cenomanian, Upper Cretaceous.</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="1" type="diagnosis">
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<paragraph pageId="0" pageNumber="1">Diagnosis.</paragraph>
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<paragraph pageId="0" pageNumber="1">
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The new species can be distinguished from all the extant species of
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<taxonomicName authorityName="Germar" authorityYear="1818" class="Insecta" family="Eucinetidae" genus="Eucinetus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Eucinetus" order="Coleoptera" pageId="0" pageNumber="1" phylum="Arthropoda" rank="genus">
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<emphasis italics="true" pageId="0" pageNumber="1">Eucinetus</emphasis>
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</taxonomicName>
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by the combination of the following characters: relatively small and narrower body; slenderer mesepimeron and matanepisternum; relatively short antenna with the scape shorter than pedicel. It can also be easily separated from
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<taxonomicName class="Insecta" family="Eucinetidae" genus="Eucinetus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Eucinetus nikolaevae" order="Coleoptera" pageId="0" pageNumber="1" phylum="Arthropoda" rank="species" species="nikolaevae">
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<emphasis italics="true" pageId="0" pageNumber="1">Eucinetus nikolaevae</emphasis>
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</taxonomicName>
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by much smaller body (1.9 mm long compared to 2.8 mm in
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<taxonomicName lsidName="E. nikolaevae" pageId="0" pageNumber="1" rank="species" species="nikolaevae">
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<emphasis italics="true" pageId="0" pageNumber="1">E. nikolaevae</emphasis>
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</taxonomicName>
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), slender body-shape, and sub-rectangular labrum.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="1" type="description">
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<paragraph pageId="0" pageNumber="1">Description.</paragraph>
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<paragraph pageId="0" pageNumber="1">
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Length about 1.9 mm, width 0.7 mm. Body elongate-fusiform (Fig.
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<figureCitation captionStart="Figure 1" captionStartId="F1" captionText="Figure 1. Eucinetus parvus sp. nov., holotype SYS-ENAM 0011 A, C lateral view, opposite B ventral view D head, antennae, maxillary and labial palps E hind tarsi. Scale bars: 0.5 mm (A-C); 0.2 mm (D, E)." figureDoi="10.3897/zookeys.982.39335.figure1" httpUri="https://binary.pensoft.net/fig/470355" pageId="0" pageNumber="1">1A-C</figureCitation>
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), black, dorsum slightly convex, and covered with dense, short setae.
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</paragraph>
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<caption doi="10.3897/zookeys.982.39335.figure1" httpUri="https://binary.pensoft.net/fig/470355" pageId="0" pageNumber="1" start="Figure 1" startId="F1">
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<paragraph pageId="0" pageNumber="1">
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<emphasis bold="true" pageId="0" pageNumber="1">Figure 1.</emphasis>
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<taxonomicName authorityName="Du & Slipinski & Liu & Pang" authorityYear="2020" class="Insecta" family="Eucinetidae" genus="Eucinetus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Eucinetus parvus" order="Coleoptera" pageId="0" pageNumber="1" phylum="Arthropoda" rank="species" species="parvus">
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<emphasis italics="true" pageId="0" pageNumber="1">Eucinetus parvus</emphasis>
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</taxonomicName>
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sp. nov., holotype SYS-ENAM0011
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<emphasis bold="true" pageId="0" pageNumber="1">A, C</emphasis>
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lateral view, opposite
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<emphasis bold="true" pageId="0" pageNumber="1">B</emphasis>
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ventral view
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<emphasis bold="true" pageId="0" pageNumber="1">D</emphasis>
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head, antennae, maxillary and labial palps
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<emphasis bold="true" pageId="0" pageNumber="1">E</emphasis>
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hind tarsi. Scale bars: 0.5 mm (
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<emphasis bold="true" pageId="0" pageNumber="1">A-C</emphasis>
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); 0.2 mm (
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<emphasis bold="true" pageId="0" pageNumber="1">D, E</emphasis>
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).
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</paragraph>
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</caption>
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<paragraph pageId="0" pageNumber="1">
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Head relatively small, subtriangular; posterior margin nearly truncate. Eyes moderately large, protruding, and finely facetted. Temple behind eyes moderately long; posterior angles orthogonal. Antennae closely inserted in front of eyes in antennal fossae. Antenna (Fig.
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<figureCitation captionStart="Figure 1" captionStartId="F1" captionText="Figure 1. Eucinetus parvus sp. nov., holotype SYS-ENAM 0011 A, C lateral view, opposite B ventral view D head, antennae, maxillary and labial palps E hind tarsi. Scale bars: 0.5 mm (A-C); 0.2 mm (D, E)." figureDoi="10.3897/zookeys.982.39335.figure1" httpUri="https://binary.pensoft.net/fig/470355" pageId="0" pageNumber="1">1D</figureCitation>
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) 11-segmented, short, and not extending beyond posterior margin of pronotum; scape relatively small and longer than wide; pedicel dilated and distinctly wider than adjacent segments; antennomere 3 nearly as long as following antennomeres; antennomeres 3-10 increasingly transverse toward apex; terminal antennomere larger with rounded apical margin. Frontoclypeal suture absent; labrum long, wide, and subrectangular, with nearly straight apical margin. Maxillary palp (Fig.
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<figureCitation captionStart="Figure 1" captionStartId="F1" captionText="Figure 1. Eucinetus parvus sp. nov., holotype SYS-ENAM 0011 A, C lateral view, opposite B ventral view D head, antennae, maxillary and labial palps E hind tarsi. Scale bars: 0.5 mm (A-C); 0.2 mm (D, E)." figureDoi="10.3897/zookeys.982.39335.figure1" httpUri="https://binary.pensoft.net/fig/470355" pageId="0" pageNumber="1">1D</figureCitation>
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) 4-segmented; first segment very short; palpomeres 2 and 3 subequal and cylindrical; terminal segment longest, not wider than penultimate one, and fusiform anteriorly, with sharp apex. Labium with simple prementum; labial palp 3-segmented; terminal palpomere largest and fusiform, with apex elongate and sharp.
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</paragraph>
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<paragraph pageId="0" pageNumber="1">Pronotum transverse, widest posteriorly; anterior margin broadly rounded, lateral margins gradually widened posteriorly, and posterior margins sinuate; disc with distinct microsculpture, uniformly covered by dense, short setae. Prosternum highly reduced with very narrow area in front of procoxae; prosternal process narrow. Notosternal suture present. Procoxae strongly transverse and projecting, nearly contiguous, and protrochantins exposed; procoxal cavities externally widely opened.</paragraph>
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<paragraph pageId="0" pageNumber="1">
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Elytra elongate, about 2.3 times as long as wide, lateral margins gradually narrowed posteriorly, apex sharp; dorsal surface with dense, distinct, transverse microsculpture and covered by dense, uniform setae; epipleuron not extending to apex and relatively narrow at base. Mesoventrite short, with deep, longitudinal, middle depression fitting fore femur. Mesanepisternum large and subrectangular; mesepimeron large and subtrapezoid. Mesocoxal cavities (Figs
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<figureCitation captionStart="Figure 1" captionStartId="F1" captionText="Figure 1. Eucinetus parvus sp. nov., holotype SYS-ENAM 0011 A, C lateral view, opposite B ventral view D head, antennae, maxillary and labial palps E hind tarsi. Scale bars: 0.5 mm (A-C); 0.2 mm (D, E)." figureDoi="10.3897/zookeys.982.39335.figure1" httpUri="https://binary.pensoft.net/fig/470355" pageId="0" pageNumber="1">1C</figureCitation>
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,
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<figureCitation captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Eucinetus parvus sp. nov., holotype SYS-ENAM 0011, line drawing. Scale bar: 0.5 mm." figureDoi="10.3897/zookeys.982.39335.figure2" httpUri="https://binary.pensoft.net/fig/470356" pageId="0" pageNumber="1">2</figureCitation>
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) large and subovate; laterally widely open to mesepimeron; mesocoxae moderately separated and not projecting; mesotrochantins concealed. Metaventrite short, transverse, and not narrowed towards lateral margins; metanepisternum subtriangular and elongated. Metacoxae contiguous, with large metacoxal plates covering hind femora and most of abdominal ventrite 1; metacoxal plates with anterior margin only slightly oblique, lateral margins curved. Tarsal formula 5-5-5. Abdomen with five visible ventrites, terminal ventrite subtriangular. Fore leg with small, indistinct trochanter; femur elongate and slightly curved; tibia short and flattened, gradually widened toward apex; apical spurs highly reduced; tarsi 5-segmented, with basal four tarsomeres short and almost in same length; claws small. Mid leg with small trochanter and enlarged femur; tibia flattened and broadened apically, with pair of apical spurs unequal in length; apex with fringe of small spines; tarsus with first tarsomere longest, nearly the same length as following two segments combined, tarsomeres 2-5 gradually shortened, tarsomeres 2-4 with fringe of spines apically. Hind leg (Fig.
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<figureCitation captionStart="Figure 1" captionStartId="F1" captionText="Figure 1. Eucinetus parvus sp. nov., holotype SYS-ENAM 0011 A, C lateral view, opposite B ventral view D head, antennae, maxillary and labial palps E hind tarsi. Scale bars: 0.5 mm (A-C); 0.2 mm (D, E)." figureDoi="10.3897/zookeys.982.39335.figure1" httpUri="https://binary.pensoft.net/fig/470355" pageId="0" pageNumber="1">1E</figureCitation>
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) with femur elongate and slightly dilated, mostly concealed by metacoxal plate; tibia longer than femur, flattened and widened apically, and apex with pair of short unequal apical spurs and fringe of spines; first tarsomere longest and almost same length as following two segments combined; tarsomeres 2-4 gradually shortened; last tarsomere with pair of small claws, nearly same length as penultimate one.
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</paragraph>
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<caption doi="10.3897/zookeys.982.39335.figure2" httpUri="https://binary.pensoft.net/fig/470356" pageId="0" pageNumber="1" start="Figure 2" startId="F2">
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<paragraph pageId="0" pageNumber="1">
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<emphasis bold="true" pageId="0" pageNumber="1">Figure 2.</emphasis>
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<taxonomicName authorityName="Du & Slipinski & Liu & Pang" authorityYear="2020" class="Insecta" family="Eucinetidae" genus="Eucinetus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Eucinetus parvus" order="Coleoptera" pageId="0" pageNumber="1" phylum="Arthropoda" rank="species" species="parvus">
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<emphasis italics="true" pageId="0" pageNumber="1">Eucinetus parvus</emphasis>
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</taxonomicName>
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sp. nov., holotype SYS-ENAM0011, line drawing. Scale bar: 0.5 mm.
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</paragraph>
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</caption>
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</subSubSection>
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</treatment>
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</document> |