162 lines
14 KiB
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162 lines
14 KiB
XML
<document ID-DOI="http://dx.doi.org/10.3897/zookeys.417.7373" ID-GBIF-Dataset="9d61af5f-3d64-4c03-b578-4dde722fd7ef" ID-PMC="PMC4109458" ID-Pensoft-Pub="1313-2970-417-1" ID-PubMed="25061350" ID-ZBK="1F4B7259984141CB8B7EEBE0409A1339" ModsDocAuthor="" ModsDocDate="2014" ModsDocID="1313-2970-417-1" ModsDocOrigin="ZooKeys 417" ModsDocTitle="A new species of Dicranocentrus (Collembola, Entomobryidae) from China with comments on the systematic position of the genus" checkinTime="1451245745109" checkinUser="pensoft" docAuthor="Xu, Guo-Liang & Zhang, Feng" docDate="2014" docId="EBCAAB5F36C19CC6FF597F2BC8E8D3BB" docLanguage="en" docName="ZooKeys 417: 1-8" docOrigin="ZooKeys 417" docSource="http://dx.doi.org/10.3897/zookeys.417.7373" docTitle="Dicranocentrus liuae Xu & Zhang, 2014, sp. n." docType="treatment" docUuid="E9501B65-B6EC-4D84-AC1C-1BC07A65E5B8" docUuidSource="ZooBank" docVersion="5" lastPageNumber="5" masterDocId="CD58FFEFFFC9E451EC0B8F2DFFDBFFAF" masterDocTitle="A new species of Dicranocentrus (Collembola, Entomobryidae) from China with comments on the systematic position of the genus" masterLastPageNumber="8" masterPageNumber="1" pageNumber="3" updateTime="1668158680823" 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>A new species of Dicranocentrus (Collembola, Entomobryidae) from China with comments on the systematic position of the genus</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>Xu, Guo-Liang</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>Zhang, Feng</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>2014</mods:date>
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<mods:detail type="volume">
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<mods:number>417</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>8</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.417.7373</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.417.7373</mods:identifier>
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<mods:identifier type="Pensoft-Pub">1313-2970-417-1</mods:identifier>
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<mods:identifier type="ZBK">1F4B7259984141CB8B7EEBE0409A1339</mods:identifier>
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<mods:identifier type="ZooBank">1F4B7259984141CB8B7EEBE0409A1339</mods:identifier>
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</mods:mods>
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<treatment ID-GBIF-Taxon="152053648" LSID="urn:lsid:zoobank.org:act:E9501B65-B6EC-4D84-AC1C-1BC07A65E5B8" httpUri="http://treatment.plazi.org/id/EBCAAB5F36C19CC6FF597F2BC8E8D3BB" lastPageId="4" lastPageNumber="5" pageId="2" pageNumber="3">
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<subSubSection pageId="2" pageNumber="3" type="multiple">
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<paragraph pageId="2" pageNumber="3">Taxon classification Animalia Entomobryomorpha Entomobryidae</paragraph>
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</subSubSection>
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<subSubSection pageId="2" pageNumber="3" type="nomenclature">
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<paragraph pageId="2" pageNumber="3">
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<taxonomicName LSID="http://zoobank.org/E9501B65-B6EC-4D84-AC1C-1BC07A65E5B8" class="Collembola" family="Orchesellidae" genus="Dicranocentrus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Dicranocentrus liuae" order="Entomobryomorpha" pageId="2" pageNumber="3" phylum="Arthropoda" rank="species" species="liuae">Dicranocentrus liuae</taxonomicName>
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<taxonomicNameLabel pageId="2" pageNumber="3">sp. n.</taxonomicNameLabel>
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Figs 2-14, Table 1
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</paragraph>
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</subSubSection>
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<subSubSection pageId="2" pageNumber="3" type="type locality">
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<paragraph pageId="2" pageNumber="3">Type locality.</paragraph>
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<paragraph pageId="2" pageNumber="3">
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China, Anhui, Shitai, Guniujiang,
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<geoCoordinate direction="north" orientation="latitude" precision="55" value="30.092">30.092°N</geoCoordinate>
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,
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<geoCoordinate direction="east" orientation="longitude" precision="55" value="117.482">117.482°E</geoCoordinate>
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, altitude 208m.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="2" pageNumber="3" type="material">
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<paragraph pageId="2" pageNumber="3">Material.</paragraph>
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<paragraph pageId="2" pageNumber="3">
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Holotype: ♀ on slide, China, Anhui, Shitai, Guniujiang, the entrance of Yan hamlet,
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<geoCoordinate direction="north" orientation="latitude" precision="55" value="30.092">30.092°N</geoCoordinate>
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,
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<geoCoordinate direction="east" orientation="longitude" precision="55" value="117.482">117.482°E</geoCoordinate>
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, altitude 208m,15 August 2011, F Zhang, DY Yu and YH Ren leg. (#C9676). Paratypes: 3 ♀♀ and 1 ♂ on slides, 4 in alcohol, same data as holotype. Other material: 1 ♀ on slide, China, Anhui, Shitai, Gongxi, 27 August 1994, JX Chen leg. (#C8391); 1 ♀ on slide, China, Zhejing, Jin Xian, Tiantongshan National Natural Reserve, 10 June 1995, JX Chen leg. (#C8458).
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</paragraph>
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</subSubSection>
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<subSubSection lastPageId="3" lastPageNumber="4" pageId="2" pageNumber="3" type="description">
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<paragraph pageId="2" pageNumber="3">Description.</paragraph>
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<paragraph pageId="2" pageNumber="3">Body length up to 1.8 mm.</paragraph>
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<paragraph pageId="2" pageNumber="3">Ground colour pale yellow. Eye patches dark. Blue pigment present on antennae and legs (Fig. 2). Scales brown, rounded, truncate, or pointed with numerous short striations; scales present on Ant. I‒IV, body, legs, both side of ventral tube and manubrium, and ventral side of dens.w</paragraph>
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<caption pageId="2" pageNumber="3">
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<paragraph pageId="2" pageNumber="3">
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Figure 2.
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<taxonomicName class="Collembola" family="Orchesellidae" genus="Dicranocentrus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Dicranocentrus liuae" order="Entomobryomorpha" pageId="2" pageNumber="3" phylum="Arthropoda" rank="species" species="liuae">Dicranocentrus liuae</taxonomicName>
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sp. n. Habitus.
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</paragraph>
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</caption>
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<paragraph pageId="2" pageNumber="3">
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Antenna 2.0-2.7 times as long as cephalic diagonal. Ant. V and VI annulated and their length ratio as 1.2-0.7: 1. Four types of common chaetae observed: ciliate, thin (Fig. 3A) or thick (Fig. 3B) mic; smooth, straight, spiny mic on Ant. I and III (Fig. 3C); long, straight chaetae smooth or weakly ciliate (Fig. 3D). Most S-chaetae slightly curved, short (Fig. 3
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<normalizedToken originalValue="E–I">E-I</normalizedToken>
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) or long (Fig. 3J). Distal Ant. II with 1 rod-like S-chaeta ventrally (Fig. 3K), 2 strongly curved, thickened S-chaetae externally (Fig. 3
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<normalizedToken originalValue="L–M">L-M</normalizedToken>
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). Ant. VI apical bulb absent.
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</paragraph>
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<caption pageId="2" pageNumber="3">
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<paragraph pageId="2" pageNumber="3">
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Figures 3−10.
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<taxonomicName class="Collembola" family="Orchesellidae" genus="Dicranocentrus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Dicranocentrus liuae" order="Entomobryomorpha" pageId="2" pageNumber="3" phylum="Arthropoda" rank="species" species="liuae">Dicranocentrus liuae</taxonomicName>
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sp. n. 3 antennal chaetae 4 labral papillae 5 labial chaetae 6 dorsal cephalic chaetotaxy 7 trochanteral organ 8 hind claw 9 anterior face of ventral tube 10 distal posterior and lateral flap chaetae of ventral tube.
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</paragraph>
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</caption>
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<paragraph lastPageId="3" lastPageNumber="4" pageId="2" pageNumber="3">
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Eyes 8+8, G and H smaller. Prelabral and labral chaetae 4/5, 5, 4, all smooth; prelabral ones stronger than labral ones. Labral papillae 4, cone-like with apical spine often curved (Fig. 4). Mandibles with 4+5 apical teeth. Lateral process of labial palp papillae E as thick as normal chaetae, with tip not reaching apex of labial papilla. Subapical chaeta of maxillary outer lobe thicker than apical; 3 smooth sublobal hairs on maxillary outer lobe. Labium with 5 smooth proximal chaetae and 8-10 submentum chaetae; the most external one A5 on mentum shorter than A1‒5; at most 1 ciliate chaeta
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<pageBreakToken pageId="3" pageNumber="4" start="start">on</pageBreakToken>
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submentum (Fig. 5). PLQ chaetae smooth and 2+2 weakly ciliate chaetae posterior to PLQ. Dorsal cephalic chaetotaxy with10-13 antennal (An), 3 median (M), sutural S0-7, 1 postocular (P0) and 9 posterior (P) mac. Interocular chaetae 3 as p, s, t (Fig. 6).
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</paragraph>
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<paragraph pageId="3" pageNumber="4">Trochanteral organ with about 30 smooth spiny chaetae (Fig. 7). Some inner differentiated tibiotarsal chaetae smooth under light microscope. Unguis with 3 inner teeth, all minute. Unguiculus lanceolate with outer edge smooth. Tenent hairs acuminate (Fig. 8).</paragraph>
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<paragraph pageId="3" pageNumber="4">Abd. IV 1.66-1.89 times as long as Abd. III along dorsal midline. Ventral tube anteriorly with many weakly ciliate chaetae and some scales (Fig. 9); posteriorly with many smooth chaetae; both sides with scales; each lateral flap with about 20 smooth chaetae (Fig. 10). Tenaculum with 4+4 teeth, corpus with 2-4 smooth chaetae. Manubrial plaque with 3 pseudopores and 5-9 ciliate chaetae on each side (Fig. 11). Manubrium dorsally with rows of smooth chaetae but their number not clear. Dens without inner spines. Dental of lobe with 1+1 large blunt ciliate and about 5+5 small smooth chaetae. Smooth distal part of dens 4.4-5.7 times as long as mucro; mucro bidentate with two subequal teeth (Fig. 12).</paragraph>
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<caption pageId="3" pageNumber="4">
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<paragraph pageId="3" pageNumber="4">
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Figures 11−14.
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<taxonomicName class="Collembola" family="Orchesellidae" genus="Dicranocentrus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Dicranocentrus liuae" order="Entomobryomorpha" pageId="3" pageNumber="4" phylum="Arthropoda" rank="species" species="liuae">Dicranocentrus liuae</taxonomicName>
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sp. n. 11 manubrial plaque 12 mucro 13 thoracic chaetotaxy 14 abdominal chaetotaxy, inset, variation in number of inner mac.
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</paragraph>
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</caption>
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<paragraph pageId="3" pageNumber="4">Th. II with 2 inner and 2 outer mac on medial area, 9 posterior mac, 1 ms and 2 sens; anterior ms external to sens. Th. III with 15-16 mac and 2 lateral sens (Fig. 13). Abd. I with 3 mac, 1 ms and 1 sens; ms external to sens. Abd. II with 2 inner, 1 lateral mac and 3 sens. Abd. III with 1 inner, 2 lateral mac, 1 ms and 3 sens. Abd. IV with 3-5 inner, 10 lateral mac, and many (number undetermined) elongate sens. Abd. V with 4 sens (Fig. 14).</paragraph>
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</subSubSection>
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<subSubSection pageId="3" pageNumber="4" type="etymology">
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<paragraph pageId="3" pageNumber="4">Etymology.</paragraph>
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<paragraph pageId="3" pageNumber="4">Named after the former member Ms L. Liu in our lab, who initiated the study of the genus in China.</paragraph>
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</subSubSection>
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<subSubSection pageId="3" pageNumber="4" type="ecology">
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<paragraph pageId="3" pageNumber="4">Ecology.</paragraph>
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<paragraph pageId="3" pageNumber="4">In litter or on leaves of forest floor.</paragraph>
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</subSubSection>
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<subSubSection pageId="4" pageNumber="5" type="remarks">
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<paragraph pageId="4" pageNumber="5">
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<pageBreakToken pageId="4" pageNumber="5" start="start">Remarks</pageBreakToken>
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.
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</paragraph>
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<paragraph pageId="4" pageNumber="5">
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This new species belongs to sundanensis-group according to
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<bibRefCitation author="Mari-Mutt, JA" journalOrPublisher="Agricultural Experiment Station University Puerto Rico Bulletin" pageId="5" pageNumber="6" pagination="1 - 79" title="A revision of the genus Dicranocentrus Schoett (Insecta: Collembola: Entomobryidae)." volume="259" year="1979">Mari-Mutt(1979)</bibRefCitation>
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. It is the only member with 1+1 inner mac on Abd. III in sundanensis-group. It is most similar to
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<taxonomicName class="Collembola" family="Orchesellidae" genus="Dicranocentrus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Dicranocentrus wangi" order="Entomobryomorpha" pageId="4" pageNumber="5" phylum="Arthropoda" rank="species" species="wangi">Dicranocentrus wangi</taxonomicName>
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in labrum, cephalic chaetotaxy, trochanteral organ, tergal chaetotaxy of thorax and Abd.
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<normalizedToken originalValue="I–II">I-II</normalizedToken>
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, ventral tube, and claw structure. It differs from the latter in having a shorter Ant. V, 9 posterior cephalic mac, 1+1 inner mac on Abd. III, 2-4 chaetae on tenaculum, and the absence of dental spines (Table 1). S-chaetotaxy is also described in the genus for the first time: ms 1, 0|1, 0, 1, 0, 0 and sens 2, 2|1, 3, 3,?, 4.
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</paragraph>
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<caption ID-Table-UUID="A18BD919B06E43824B31AD6D11F970A5" httpUri="http://table.plazi.org/id/A18BD919B06E43824B31AD6D11F970A5" pageId="4" pageNumber="5">
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<paragraph pageId="4" pageNumber="5">
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Table 1. Comparison between
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<taxonomicName class="Collembola" family="Orchesellidae" genus="Dicranocentrus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Dicranocentrus liuae" order="Entomobryomorpha" pageId="4" pageNumber="5" phylum="Arthropoda" rank="species" species="liuae">Dicranocentrus liuae</taxonomicName>
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sp. n. and
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<taxonomicName class="Collembola" family="Orchesellidae" genus="Dicranocentrus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Dicranocentrus wangi" order="Entomobryomorpha" pageId="4" pageNumber="5" phylum="Arthropoda" rank="species" species="wangi">Dicranocentrus wangi</taxonomicName>
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.
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</paragraph>
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</caption>
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<paragraph pageId="4" pageNumber="5">
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<table pageId="4" pageNumber="5">
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<tr pageId="4" pageNumber="5">
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<th colspan="1" pageId="4" pageNumber="5" rowspan="1" style="text-align:left">Characters</th>
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<th colspan="1" pageId="4" pageNumber="5" rowspan="1" style="text-align:center">
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<taxonomicName class="Collembola" family="Orchesellidae" genus="Dicranocentrus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Dicranocentrus liuae" order="Entomobryomorpha" pageId="4" pageNumber="5" phylum="Arthropoda" rank="species" species="liuae">Dicranocentrus liuae</taxonomicName>
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sp. n.
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</th>
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<th colspan="1" pageId="4" pageNumber="5" rowspan="1" style="text-align:center">
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<taxonomicName class="Collembola" family="Orchesellidae" genus="Dicranocentrus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Dicranocentrus wangi" order="Entomobryomorpha" pageId="4" pageNumber="5" phylum="Arthropoda" rank="species" species="wangi">Dicranocentrus wangi</taxonomicName>
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</th>
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</tr>
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</table>
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</paragraph>
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</subSubSection>
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</treatment>
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</document> |