159 lines
15 KiB
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159 lines
15 KiB
XML
<document ID-DOI="http://dx.doi.org/10.3897/zookeys.277.4671" ID-GBIF-Dataset="b99fed7d-89d4-4c26-803f-2a6490350022" ID-PMC="PMC3677372" ID-Pensoft-Pub="1313-2970-277-47" ID-PubMed="23794823" ModsDocAuthor="" ModsDocDate="2013" ModsDocID="1313-2970-277-47" ModsDocOrigin="ZooKeys 277" ModsDocTitle="On the Lathrobium fauna of the Emei Shan, Sichuan, China (Coleoptera, Staphylinidae, Paederinae)" checkinTime="1451247558822" checkinUser="pensoft" docAuthor="Assing, Volker, Peng, Zhong & Zhao, Mei-Jun" docDate="2013" docId="4DDEDC7E17A4FBEEADB57BECD0AD0B95" docLanguage="en" docName="ZooKeys 277: 47-67" docOrigin="ZooKeys 277" docSource="http://dx.doi.org/10.3897/zookeys.277.4671" docTitle="Lathrobium iunctum Assing & Peng, sp. n." docType="treatment" docVersion="4" lastPageNumber="52" masterDocId="6132FF8FFFB7E35A69686C5EEB67ED41" masterDocTitle="On the Lathrobium fauna of the Emei Shan, Sichuan, China (Coleoptera, Staphylinidae, Paederinae)" masterLastPageNumber="67" masterPageNumber="47" pageNumber="51" updateTime="1668155492428" 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>On the Lathrobium fauna of the Emei Shan, Sichuan, China (Coleoptera, Staphylinidae, Paederinae)</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>Assing, Volker</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>Peng, Zhong</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>Zhao, Mei-Jun</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>2013</mods:date>
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<mods:detail type="volume">
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<mods:number>277</mods:number>
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</mods:detail>
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<mods:extent unit="page">
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<mods:start>47</mods:start>
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<mods:end>67</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.277.4671</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.277.4671</mods:identifier>
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<mods:identifier type="Pensoft-Pub">1313-2970-277-47</mods:identifier>
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</mods:mods>
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<treatment ID-GBIF-Taxon="152041599" LSID="urn:lsid:zoobank.org:act:3DCFC4CA-D35F-4B46-8B24-C456BE93C95B" httpUri="http://treatment.plazi.org/id/4DDEDC7E17A4FBEEADB57BECD0AD0B95" lastPageId="5" lastPageNumber="52" pageId="4" pageNumber="51">
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<subSubSection pageId="4" pageNumber="51" type="nomenclature">
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<paragraph pageId="4" pageNumber="51">
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<taxonomicName LSID="urn:lsid:zoobank.org:act:3DCFC4CA-D35F-4B46-8B24-C456BE93C95B" authority="Assing & Peng" class="Insecta" family="Staphylinidae" genus="Lathrobium" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Lathrobium iunctum" order="Coleoptera" pageId="4" pageNumber="51" phylum="Arthropoda" rank="species" species="iunctum">Lathrobium iunctum Assing & Peng</taxonomicName>
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<taxonomicNameLabel pageId="4" pageNumber="51">sp. n.</taxonomicNameLabel>
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Figs 2A39
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</paragraph>
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</subSubSection>
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<subSubSection pageId="4" pageNumber="51" type="type material">
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<paragraph pageId="4" pageNumber="51">Type material.</paragraph>
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<paragraph pageId="4" pageNumber="51">
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Holotype ♂: 'CHINA: Sichuan, Prov. Emeishan City, Mt. Emeishan,
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<geoCoordinate direction="north" orientation="latitude" precision="925" value="29.55">29°33'N</geoCoordinate>
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,
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<geoCoordinate direction="east" orientation="longitude" precision="925" value="103.333336">103°20'E</geoCoordinate>
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, 23.vii.2012, alt. 2,000-2,300 m, Dai, Peng & Yin leg. / Holotypus ♂
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<taxonomicName class="Insecta" family="Staphylinidae" genus="Lathrobium" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Lathrobium iunctum" order="Coleoptera" pageId="4" pageNumber="51" phylum="Arthropoda" rank="species" species="iunctum">Lathrobium iunctum</taxonomicName>
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sp. n., det. Assing & Peng 2012' (SNUC). Paratypes: 10♂♂, 13♀♀: 'P. R. CHINA, Sichuan, Emei Shan,
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<geoCoordinate direction="north" orientation="latitude" precision="92" value="29.56">29°33.6'N</geoCoordinate>
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,
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<geoCoordinate direction="east" orientation="longitude" precision="92" value="103.34333">103°20.6'E</geoCoordinate>
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, 27.vi.-5.vii.2009, 1800-2400 m, siftings 11-17, V. Grebennikov'; 1♂: 'P. R. CHINA, Sichuan, Emei Shan, 29°32.932'N, 103°20.466'E, 2310 m, 01.vii.2009, sifting 14, V. Grebennikov'; 1♂, 3♀♀: 'P. R. CHINA, Sichuan, EmeiShan, 29°32'56.0"N, 103°20'28.0"E, 2310 m, 20.vi.2010, sifting 38, V. Grebennikov'; 1♀: 'P. R. CHINA, Sichuan, EmeiShan,
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<geoCoordinate direction="north" orientation="latitude" precision="1" value="29.560083">29°33'36.3"N</geoCoordinate>
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,
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<geoCoordinate direction="east" orientation="longitude" precision="1" value="103.343895">103°20'38.0"E</geoCoordinate>
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, 1947 m, 15.vi.2010, sifting 33, V. Grebennikov'; 10♂♂, 9♀♀: 'CHINA Sichuan, Emei Shan, Leidongping, 2500 m, 18.VII.1996, 29°32N, 103°21E C65 / collected by A. Smetana, J.
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<normalizedToken originalValue="Farkač">Farkac</normalizedToken>
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and P.
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<normalizedToken originalValue="Kabátek'">Kabatek'</normalizedToken>
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(Paratypes in CAS, cSme, and cAss).
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</paragraph>
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</subSubSection>
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<subSubSection pageId="4" pageNumber="51" type="etymology">
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<paragraph pageId="4" pageNumber="51">Etymology.</paragraph>
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<paragraph pageId="4" pageNumber="51">The specific epithet (Latin, adjective: connected, fused) alludes to the merged ventral process and dorsal plate of the aedeagus.</paragraph>
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</subSubSection>
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<subSubSection lastPageId="5" lastPageNumber="52" pageId="4" pageNumber="51" type="description">
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<paragraph pageId="4" pageNumber="51">Description.</paragraph>
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<paragraph pageId="4" pageNumber="51">Species of moderately large and somewhat variable size, without sexual size dimorphism. Body length 8.0-9.5 mm; length of forebody 3.4-4.2 mm. Habitus as in Fig. 2A. Coloration: body blackish-brown to black, abdominal apex indistinctly paler; legs reddish-brown to dark-brown with pale-reddish tarsi; antennae reddish.</paragraph>
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<paragraph pageId="4" pageNumber="51">Head usually weakly transverse, 1.00-1.05 times as broad as long; punctation variable, moderately coarse to coarse and moderately dense to dense, sparser in median dorsal portion; interstices with fine but distinct microreticulation. Eyes weakly convex and rather large, approximately half the length of postocular region in dorsal view, or nearly so, and composed of numerous (> 50) ommatidia. Antenna 2.0-2.3 mm long.</paragraph>
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<paragraph pageId="4" pageNumber="51">Pronotum relatively broad, approximately 1.2 times as long as broad and 1.05-1.10 times as broad as head; punctation similar to that of head or somewhat finer; impunctate midline moderately broad; interstices without microsculpture.</paragraph>
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<paragraph pageId="4" pageNumber="51">Elytra short and broad, distinctly dilated posteriorly, approximately 0.55 times as long as pronotum, and at posterior margin approximately 1.6-1.7 times as broad (combined width) as long; punctation somewhat variable, usually shallow and moderately defined. Hind wings completely reduced. Protarsi without evident sexual dimorphism, moderately dilated in both sexes.</paragraph>
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<paragraph pageId="4" pageNumber="51">Abdomen with fine and rather dense punctation, that of tergite VII only slightly sparser than that of anterior tergites; interstices with fine microsculpture; posterior margin of tergite VII without palisade fringe; tergite VIII without sexual dimorphism, with truncate to weakly convex posterior margin.</paragraph>
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<paragraph lastPageId="5" lastPageNumber="52" pageId="4" pageNumber="51">
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Male. Sternites III-VI unmodified. Sternite VII strongly transverse, with asymmetric, somewhat oblique median impression posteriorly, this impression with pronounced
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<pageBreakToken pageId="5" pageNumber="52" start="start">and</pageBreakToken>
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extensive cluster of numerous distinctly modified, short and stout black setae; posterior margin bisinuate or with shallow excision in asymmetric position (Fig. 3A). Sternite VIII transverse, pubescence unmodified; posterior excision almost symmetric, narrowly V-shaped and rather deep, its depth approximately 1/4-2/5 the length of sternite (Fig. 3B). Sternite IX as in Fig. 3D. Aedeagus (Figs 3C, E) approximately 1.5 mm long, slender, distinctly asymmetric, and with rather small basal portion; ventral process and dorsal plate fused; internal sac with small and weakly sclerotized basal sclerite.
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</paragraph>
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<paragraph pageId="5" pageNumber="52">
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Female. Sternite VIII approximately as long as broad and with distinctly convex posterior margin, its shape similar to that of
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<taxonomicName class="Insecta" family="Staphylinidae" genus="Lathrobium" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Lathrobium coniunctum" order="Coleoptera" pageId="5" pageNumber="52" phylum="Arthropoda" rank="species" species="coniunctum">Lathrobium coniunctum</taxonomicName>
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(cf. Fig. 4B). Tergite IX undivided in the middle, with short median portion, and with long posterior processes; tergite X more than twice as long as tergite IX in the middle.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="5" pageNumber="52" type="comparative notes">
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<paragraph pageId="5" pageNumber="52">Comparative notes.</paragraph>
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<paragraph pageId="5" pageNumber="52">
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In external characters,
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<taxonomicName class="Insecta" family="Staphylinidae" genus="Lathrobium" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Lathrobium iunctum" order="Coleoptera" pageId="5" pageNumber="52" phylum="Arthropoda" rank="species" species="iunctum">Lathrobium iunctum</taxonomicName>
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is highly similar to the closely related
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<taxonomicName class="Insecta" family="Staphylinidae" genus="Lathrobium" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Lathrobium coniunctum" order="Coleoptera" pageId="5" pageNumber="52" phylum="Arthropoda" rank="species" species="coniunctum">Lathrobium coniunctum</taxonomicName>
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and
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<taxonomicName class="Insecta" family="Staphylinidae" genus="Lathrobium" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Lathrobium conexum" order="Coleoptera" pageId="5" pageNumber="52" phylum="Arthropoda" rank="species" species="conexum">Lathrobium conexum</taxonomicName>
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(see comparative notes in the following section), from which it is reliably distinguished only by the male sexual characters (shape and chaetotaxy of the male sternite VII; deep and narrow posterior excision of the male sternite VIII; shape of the aedeagus).
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</paragraph>
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</subSubSection>
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<subSubSection pageId="5" pageNumber="52" type="distribution">
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<paragraph pageId="5" pageNumber="52">Distribution and natural history</paragraph>
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<paragraph pageId="5" pageNumber="52">
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. This species is most likely endemic to the Emei Shan, where the type specimens were sifted from leaf litter at elevations from approximately 1,800 to 2,500 m, together with
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<taxonomicName class="Insecta" family="Staphylinidae" genus="Lathrobium" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Lathrobium coniunctum" order="Coleoptera" pageId="5" pageNumber="52" phylum="Arthropoda" rank="species" species="coniunctum">Lathrobium coniunctum</taxonomicName>
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,
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<taxonomicName class="Insecta" family="Staphylinidae" genus="Lathrobium" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Lathrobium hastatum" order="Coleoptera" pageId="5" pageNumber="52" phylum="Arthropoda" rank="species" species="hastatum">Lathrobium hastatum</taxonomicName>
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, and
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<taxonomicName class="Insecta" family="Staphylinidae" genus="Lathrobium" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Lathrobium bisinuatum" order="Coleoptera" pageId="5" pageNumber="52" phylum="Arthropoda" rank="species" species="bisinuatum">Lathrobium bisinuatum</taxonomicName>
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. The locality where the holotype was collected is illustrated in Fig. 9.
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</paragraph>
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<caption pageId="5" pageNumber="52">
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<paragraph pageId="5" pageNumber="52">Figure 1. Geographic position of the Emei Shan in China.</paragraph>
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</caption>
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<caption pageId="5" pageNumber="52">
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<paragraph pageId="5" pageNumber="52">
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Figure 2. Habitus of
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<taxonomicName class="Insecta" family="Staphylinidae" genus="Lathrobium" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Lathrobium" order="Coleoptera" pageId="5" pageNumber="52" phylum="Arthropoda" rank="genus">Lathrobium</taxonomicName>
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spp., A
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<taxonomicName class="Insecta" family="Staphylinidae" genus="Lathrobium" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Lathrobium iunctum" order="Coleoptera" pageId="5" pageNumber="52" phylum="Arthropoda" rank="species" species="iunctum">Lathrobium iunctum</taxonomicName>
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B
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<taxonomicName class="Insecta" family="Staphylinidae" genus="Lathrobium" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Lathrobium coniunctum" order="Coleoptera" pageId="5" pageNumber="52" phylum="Arthropoda" rank="species" species="coniunctum">Lathrobium coniunctum</taxonomicName>
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C
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<taxonomicName class="Insecta" family="Staphylinidae" genus="Lathrobium" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Lathrobium conexum" order="Coleoptera" pageId="5" pageNumber="52" phylum="Arthropoda" rank="species" species="conexum">Lathrobium conexum</taxonomicName>
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D
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<taxonomicName class="Insecta" family="Staphylinidae" genus="Lathrobium" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Lathrobium ensigerum" order="Coleoptera" pageId="5" pageNumber="52" phylum="Arthropoda" rank="species" species="ensigerum">Lathrobium ensigerum</taxonomicName>
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E
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<taxonomicName class="Insecta" family="Staphylinidae" genus="Lathrobium" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Lathrobium hastatum" order="Coleoptera" pageId="5" pageNumber="52" phylum="Arthropoda" rank="species" species="hastatum">Lathrobium hastatum</taxonomicName>
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F
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<taxonomicName class="Insecta" family="Staphylinidae" genus="Lathrobium" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Lathrobium bisinuatum" order="Coleoptera" pageId="5" pageNumber="52" phylum="Arthropoda" rank="species" species="bisinuatum">Lathrobium bisinuatum</taxonomicName>
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. Scale bars:
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<normalizedToken originalValue="A–C">A-C</normalizedToken>
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1.5 mm; D 2.0 mm;
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<normalizedToken originalValue="E–F">E-F</normalizedToken>
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1.0 mm.
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</paragraph>
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</caption>
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<caption pageId="5" pageNumber="52">
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<paragraph pageId="5" pageNumber="52">
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Figure 3.
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<taxonomicName class="Insecta" family="Staphylinidae" genus="Lathrobium" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Lathrobium iun" order="Coleoptera" pageId="5" pageNumber="52" phylum="Arthropoda" rank="species" species="iun">Lathrobium iun</taxonomicName>
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ctum. A male sternite VII B male sternite VIII C aedeagus in lateral view D male sternite IX E aedeagus in ventral view. Scale bars: 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> |