269 lines
26 KiB
XML
269 lines
26 KiB
XML
<document ID-DOI="http://dx.doi.org/10.3897/zookeys.656.11676" ID-GBIF-Dataset="d160ef4a-0eb4-441e-bbf2-da3d0a8c2cbe" ID-PMC="PMC5345364" ID-Pensoft-Pub="1313-2970-656-111" ID-PubMed="28331404" ID-ZBK="E46E35E11DC444249E119F2ADD173FE7" ModsDocAuthor="" ModsDocDate="2017" ModsDocID="1313-2970-656-111" ModsDocOrigin="ZooKeys 656" ModsDocTitle="Pseudomacrochenuswusuae sp. n., a new species from Sichuan, China (Coleoptera, Cerambycidae, Lamiinae)" checkinTime="1487100156396" checkinUser="pensoft" docAuthor="He, Li, Liu, Bin & Wang, Cheng-Bin" docDate="2017" docId="EDC64885858254EE532FAD1B47C658CA" docLanguage="en" docName="ZooKeys 656: 111-121" docOrigin="ZooKeys 656" docSource="http://dx.doi.org/10.3897/zookeys.656.11676" docTitle="Pseudomacrochenus wusuae He, Liu & Wang, 2017, sp. n." docType="treatment" docUuid="C9924F5B-C4EE-4B95-BD8F-324CCA00FF89" docUuidSource="ZooBank" docVersion="5" lastPageNumber="119" masterDocId="6363FF8BFFEFFFC5FFD9E6133119FFC8" masterDocTitle="Pseudomacrochenuswusuae sp. n., a new species from Sichuan, China (Coleoptera, Cerambycidae, Lamiinae)" masterLastPageNumber="121" masterPageNumber="111" pageNumber="113" updateTime="1668164226725" 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>Pseudomacrochenuswusuae sp. n., a new species from Sichuan, China (Coleoptera, Cerambycidae, Lamiinae)</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>He, Li</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>Liu, Bin</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>Wang, Cheng-Bin</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>2017</mods:date>
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<mods:detail type="volume">
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<mods:number>656</mods:number>
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</mods:detail>
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<mods:extent unit="page">
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<mods:start>111</mods:start>
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<mods:end>121</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.656.11676</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.656.11676</mods:identifier>
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<mods:identifier type="Pensoft-Pub">1313-2970-656-111</mods:identifier>
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<mods:identifier type="ZBK">E46E35E11DC444249E119F2ADD173FE7</mods:identifier>
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<mods:identifier type="ZooBank">E46E35E11DC444249E119F2ADD173FE7</mods:identifier>
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</mods:mods>
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<treatment ID-GBIF-Taxon="127859708" LSID="urn:lsid:zoobank.org:act:C9924F5B-C4EE-4B95-BD8F-324CCA00FF89" httpUri="http://treatment.plazi.org/id/EDC64885858254EE532FAD1B47C658CA" lastPageId="8" lastPageNumber="119" pageId="2" pageNumber="113">
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<subSubSection pageId="2" pageNumber="113" type="nomenclature">
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<paragraph pageId="2" pageNumber="113">
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<taxonomicName LSID="http://zoobank.org/C9924F5B-C4EE-4B95-BD8F-324CCA00FF89" class="Insecta" family="Cerambycidae" genus="Pseudomacrochenus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Pseudomacrochenus wusuae" order="Coleoptera" pageId="2" pageNumber="113" phylum="Arthropoda" rank="species" species="wusuae">
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<pageBreakToken pageId="2" pageNumber="113" start="start">Pseudomacrochenus</pageBreakToken>
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wusuae
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</taxonomicName>
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<taxonomicNameLabel pageId="2" pageNumber="113">sp. n.</taxonomicNameLabel>
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Figs 1, 2, 3, 4B,
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<normalizedToken originalValue="F–H">F-H</normalizedToken>
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, 5, 6
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<normalizedToken originalValue="C–D">C-D</normalizedToken>
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</paragraph>
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</subSubSection>
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<subSubSection pageId="2" pageNumber="113" type="type material">
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<paragraph pageId="2" pageNumber="113">Type material.</paragraph>
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<paragraph pageId="2" pageNumber="113">
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Holotype: ♂, CHINA, Sichuan: Liangshan Yi Autonomous Prefecture, Xichang City, Mt. Lushan (泸山)
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<geoCoordinate direction="north" orientation="latitude" precision="925" value="27.816668">N27°49'</geoCoordinate>
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,
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<geoCoordinate direction="east" orientation="longitude" precision="925" value="102.25">E102°15'</geoCoordinate>
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, alt. 2050 m, 8.V.2015, Li He leg. (BITS); Paratype: 23♂♂39♀♀. 5♂♂4♀♀, same data as holotype except 16-17.XI.2015 (larva), em.
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<normalizedToken originalValue="II–III">II-III</normalizedToken>
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.2016, Li He & Bin Liu leg. (5♂♂ in NMPC and 4♀♀ in CLHC); 2♀♀, same data as holotype except alt. 2230 m, 8.VIII.2012, Li He leg. (CLHC); 1♀, same data as holotype (CLHC); 1♀, same data as holotype except 16-17.XI.2015 (larva), 17.II.2016 (pupa), em. 16.III.2016, Li He & Bin Liu leg. (CLHC); 1♀, same data as holotype except 16.XI.2015 (larva), em. 3.III.2016, Li He & Bin Liu leg. (BITS); 1♂, same data as holotype except alt. 2095 m, 17.XI.2015 (larva), em. 16.II.2016, Li He & Bin Liu leg. (BITS); 2♀♀, same data as holotype except 5.III.2016 (larva), em. 3.IV.2016, Li He leg. (CLHC); 7♂♂7♀♀, same data as holotype except 7.V.2016, Li He & Ben-Fu Miao leg. (CLHC); 1♂, same data as holotype except alt. 1928 m, 11.VI.2016, Bin Liu leg. (BITS); 2♂♂7♀♀, same data as holotype except alt. 1900 m, 11-16.VI.2016, Bin Liu leg. (CJYT); 1♂, same data as holotype except alt. ca. 2000 m, 12.VI.2015, Bin Liu leg. (CJYT); 1♂1♀, same data as holotype except alt. 1900 m, 11-16.VI.2016, Bin Liu leg. (CCWI); 1♂2♀♀, same data as holotype except alt. 1928 m, 12.VI.2016, Bin Liu leg. (BITS); 2♀♀, same data as holotype except alt. 2040 m, 12.VI.2016, Bin Liu leg. (BITS); 1♀, same data as holotype except alt. 1928 m,13.VI.2016, Bin Liu leg. (BITS); 5♀♀, same data as holotype except alt. 2049 m, 16.VI.2016, Bin Liu leg. (BITS); 1♂, same data as holotype except alt. 1703 m, 20.VI.2016, Bin Liu leg. (BITS); 1♀, same data as holotype except alt. 1928 m, 20.VI.2016, Bin Liu leg. (BITS); 1♀, same data as holotype except alt. 1647 m, 21.VI.2016, Bin Liu leg. (BITS); 1♂1♀, same data as holotype except 25.VI.2016, Chao Zhou, Bin Liu & Li He leg. (CCZC); 1♂, same data as holotype except 25.VI.2016, Chao Zhou, Bin Liu & Li He leg. (BITS).
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</paragraph>
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</subSubSection>
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<subSubSection pageId="2" pageNumber="113" type="diagnosis">
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<paragraph pageId="2" pageNumber="113">Diagnosis.</paragraph>
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<paragraph pageId="2" pageNumber="113">Pronotum without spine at the lateral side, but only with an inconspicuous vestigial small tubercle. Elytra with a contrasting large spot on the middle constituted of pale grayish setae, except for a hairless area around the anterior margin forming a black semicircular ring. Abdominal tergite VIII with posterior edge weakly emarginate; sternite VIII short, with posterior edge more or less truncate.</paragraph>
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</subSubSection>
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<subSubSection lastPageId="7" lastPageNumber="118" pageId="2" pageNumber="113" type="description">
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<paragraph pageId="2" pageNumber="113">Description.</paragraph>
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<paragraph pageId="2" pageNumber="113">Male. Size relatively large, body length 16.22-30.20 mm, humeral width 4.48-8.72 mm. Length (mm) of different body parts: head (3.53): antenna (68.27): pronotum (5.37): elytra (17.39): protibia (7.57); width (mm): head (3.44): pronotum (4.91): elytra (7.84). Body length/elytral width = 3.50; antenna length/body length = 2.49. Antennomeres with length ratio from base to tip: 6.70 - 1.00 - 16.38 - 12.29 - 12.33 - 12.80 - 12.92 - 11.78 - 9.70 - 7.85 - 13.64.</paragraph>
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<paragraph lastPageId="4" lastPageNumber="115" pageId="2" pageNumber="113">
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Habitus is shown in Fig. 1
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<normalizedToken originalValue="A–B">A-B</normalizedToken>
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. Body color dark brown to black. Head covered with fulvous setae, forming four small spots at posterior margin of the occiput.
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<pageBreakToken pageId="3" pageNumber="114" start="start">Dorsal</pageBreakToken>
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surface of scape, pedicel and antennomere III with fulvous setae, following antennomeres with very faint fulvous setae; apical parts of the antennomeres
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<normalizedToken originalValue="III–X">III-X</normalizedToken>
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and middle part of the antennomere XI with very faint brown setae, making alternant contrasting colors on these antennomeres; ventral surface of scape, pedicel and antennomeres
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<normalizedToken originalValue="III–IV">III-IV</normalizedToken>
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fringed with long, brown setae, but distinctly less dense on the antennomere IV. Pronotum with middle line flanked by two ill-defined longitudinal fasciae of fulvous setae and each pronotal side with another one. Elytra mostly covered with very faint brown setae; a contrasting large spot on the middle constituted of pale grayish setae (Fig. 1E), except for a hairless area around the anterior margin forming a black semicircular ring; a number of irregularly scattered small spots of fulvous setae forming three or four short longitudinal fasciae contiguous at base and much denser and contiguous after the discal spot. Variations of pubescence
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<pageBreakToken pageId="4" pageNumber="115" start="start">is</pageBreakToken>
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shown in Fig. 2
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<normalizedToken originalValue="A–D">A-D</normalizedToken>
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. Abdomen covered with fulvous setae, lateral margins with some erected brown setae.
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</paragraph>
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<caption pageId="4" pageNumber="115">
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<paragraph pageId="4" pageNumber="115">
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Figure 1.
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<taxonomicName class="Insecta" family="Cerambycidae" genus="Pseudomacrochenus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Pseudomacrochenus wusuae" order="Coleoptera" pageId="4" pageNumber="115" phylum="Arthropoda" rank="species" species="wusuae">Pseudomacrochenus wusuae</taxonomicName>
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sp. n. A ♂ habitus (holotype; dorsal view) B ♂ habitus (holotype; ventral view) C ♀ (paratype; dorsal view) D ♀ (paratype; ventral view) E magnification of a grayish large spot on the elytron (♂; paratype; dorsal view).
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</paragraph>
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</caption>
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<caption pageId="4" pageNumber="115">
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<paragraph pageId="4" pageNumber="115">
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Figure 2. Variations of pubescence and spots on the elytra of
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<taxonomicName class="Insecta" family="Cerambycidae" genus="Pseudomacrochenus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Pseudomacrochenus wusuae" order="Coleoptera" pageId="4" pageNumber="115" phylum="Arthropoda" rank="species" species="wusuae">Pseudomacrochenus wusuae</taxonomicName>
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sp. n. (paratypes; dorsal view)
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<normalizedToken originalValue="A–D">A-D</normalizedToken>
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♂♂,
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<normalizedToken originalValue="E–H">E-H</normalizedToken>
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♀♀.
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</paragraph>
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</caption>
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<paragraph pageId="4" pageNumber="115">Head (Fig. 3A) compressed, surface coarsely granulated, length/width = 1.03, narrower than pronotum. Frons transverse, slightly convex. Eyes small, finely facetted, divided into two widely separated lobes; lower lobes longer than genae. Interantennal region strongly concave between the strongly elevated antennal tubercles. Antennae long, extending beyond elytral apex by six antennomeres; scape stout and cylindrical, larger at apex, with an open circular scar; surface of scape, pedicel and antennomere III with small and coarse granules; antennomere III longer than all others; antennomeres IV, V, VI, VII and XI subequal; antennomeres VII to X decreasing in length; last antennomere thinner and curved.</paragraph>
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<caption pageId="4" pageNumber="115">
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<paragraph pageId="4" pageNumber="115">
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Figure 3.
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<taxonomicName class="Insecta" family="Cerambycidae" genus="Pseudomacrochenus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Pseudomacrochenus wusuae" order="Coleoptera" pageId="4" pageNumber="115" phylum="Arthropoda" rank="species" species="wusuae">Pseudomacrochenus wusuae</taxonomicName>
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sp. n. (paratype). A head (♂; front view) B head (♀; front view) C pronotum (♂; dorsal view) D pronotum (♀; dorsal view) E protibia (♂; dorsal view) F protibia (♀; dorsal view).
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</paragraph>
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</caption>
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<paragraph lastPageId="5" lastPageNumber="116" pageId="4" pageNumber="115">
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Pronotum (Fig. 3C) slightly convex and elongate, length/width = 1.09, widest at about basal 3/7 where it is slightly protruded; anterior margin slightly concave; lateral
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<pageBreakToken pageId="5" pageNumber="116" start="start">side</pageBreakToken>
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with an inconspicuous vestigial small tubercle; hind angles slightly projected backwards and somewhat acute; surface coarsely rugose.
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</paragraph>
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<paragraph pageId="5" pageNumber="116">Stridulatory organ hided with a median longitudinal band of dense, fine, transverse stridulatory striae.</paragraph>
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<paragraph pageId="5" pageNumber="116">Scutellum ligulate, surface densely covered with fulvous setae.</paragraph>
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<paragraph pageId="5" pageNumber="116">Elytra widest just after humeri, length/width = 2.22, gradually narrowing towards apex; apices narrowly rounded; surface with many small and coarse granules at base, more or less thickly punctured with punctures diminishing in size towards apex.</paragraph>
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<paragraph pageId="5" pageNumber="116">Metathoracic wings fully developed.</paragraph>
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<paragraph pageId="5" pageNumber="116">Prolegs elongated; protibia (Fig. 3E) slightly sinuate, with a strong tooth at about the apical fourth of inner side. Profemora longer than meso- and metafemora. Metafemora exceed the posterior edge of visible abdominal segment IV.</paragraph>
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<paragraph pageId="5" pageNumber="116">
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Abdomen (Fig. 4B): tergite VIII with posterior edge weakly emarginate, bordered with long setae; sternite VIII short, with posterior edge more or less truncate, bordered with much shorter setae; sternite IX
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<normalizedToken originalValue="‘Y’">'Y'</normalizedToken>
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-shaped.
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</paragraph>
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<caption pageId="5" pageNumber="116">
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<paragraph pageId="5" pageNumber="116">
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Figure 4.
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<taxonomicName class="Insecta" family="Cerambycidae" genus="Pseudomacrochenus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Pseudomacrochenus" order="Coleoptera" pageId="5" pageNumber="116" phylum="Arthropoda" rank="genus">Pseudomacrochenus</taxonomicName>
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species. ♂♂. A,
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<normalizedToken originalValue="C–E">C-E</normalizedToken>
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<taxonomicName class="Insecta" family="Cerambycidae" genus="Pseudomacrochenus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Pseudomacrochenus antennatus" order="Coleoptera" pageId="5" pageNumber="116" phylum="Arthropoda" rank="species" species="antennatus">Pseudomacrochenus antennatus</taxonomicName>
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(Gahan, 1894) (Yunnan) B,
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<normalizedToken originalValue="F–H">F-H</normalizedToken>
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<taxonomicName class="Insecta" family="Cerambycidae" genus="Pseudomacrochenus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Pseudomacrochenus wusuae" order="Coleoptera" pageId="5" pageNumber="116" phylum="Arthropoda" rank="species" species="wusuae">Pseudomacrochenus wusuae</taxonomicName>
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sp. n. (paratype)
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<normalizedToken originalValue="A–B">A-B</normalizedToken>
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tergites VIII, sternites VIII & IX (ventral view)
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<normalizedToken originalValue="C–H">C-H</normalizedToken>
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male genitalia (C, F dorsal view D, G ventral view E, H lateral view).
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</paragraph>
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</caption>
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<paragraph pageId="6" pageNumber="117">
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<pageBreakToken pageId="6" pageNumber="117" start="start">Male</pageBreakToken>
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genitalia (Fig. 4
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<normalizedToken originalValue="F–H">F-H</normalizedToken>
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): Lateral lobes of tegmen moderately elongate, gradually tapering to narrowly rounded apex, which carries long setae. Median lobe stout, median struts more than half length of median lobe; ventral plate longer than dorsal plate; ventral plate with apex widely rounded. Endophallus with tubular structure at basal end.
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</paragraph>
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<paragraph lastPageId="7" lastPageNumber="118" pageId="6" pageNumber="117">
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Female. Size smaller than male, body length 16.67-25.47 mm, humeral width 4.37-7.55 mm. Length (mm) of different body parts: head (3.49): antenna (32.89)
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<pageBreakToken pageId="7" pageNumber="118" start="start">:</pageBreakToken>
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pronotum (3.92): elytra (15.84): protibia (4.65); width (mm): head (3.20): pronotum (4.51): elytra (7.45). Body length/elytral width = 3.13; antenna length/body length = 1.41. Antennomeres with length ratio from base to tip: 6.03 - 1.00 - 14.07 - 9.51 - 8.10 - 7.03 - 6.33 - 5.02 - 4.12 - 3.71 - 5.56.
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</paragraph>
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<paragraph pageId="7" pageNumber="118">
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Habitus is shown in Fig. 1
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<normalizedToken originalValue="C–D">C-D</normalizedToken>
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. Eyes (Fig. 3B) with lower lobe shorter than genae. Antennae shortened, extending beyond the elytral apex by five antennomeres. Pronotum (Fig. 3D) slightly wider than long, length/width = 0.87, widest at middle. Variations of pubescence and spots on the elytra is shown in Fig. 2
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<normalizedToken originalValue="E–H">E-H</normalizedToken>
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. Protibiae (Fig. 3F) not elongated, without observable tooth at inner side.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="7" pageNumber="118" type="immature stages">
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<paragraph pageId="7" pageNumber="118">Immature stages.</paragraph>
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<paragraph pageId="7" pageNumber="118">
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Some logs containing larvae were chopped from the type locality and then transferred to the laboratories of Chengdu and Beijing in a constant temperature of 25°C. By observing the pupal chamber (Fig. 5
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<normalizedToken originalValue="H–K">H-K</normalizedToken>
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) every day, we observed that
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<taxonomicName class="Insecta" family="Cerambycidae" genus="Pseudomacrochenus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Pseudomacrochenus wusuae" order="Coleoptera" pageId="7" pageNumber="118" phylum="Arthropoda" rank="species" species="wusuae">Pseudomacrochenus wusuae</taxonomicName>
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sp. n. took about 28 days from last instar larva (20.I.2016) to pupa (17.II.2016) and about 31 days from pupa to emergence. The habitus of last instar larva is shown in Fig. 5
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<normalizedToken originalValue="A–D">A-D</normalizedToken>
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and pupa is shown in Fig. 5
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<normalizedToken originalValue="E–G">E-G</normalizedToken>
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.
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</paragraph>
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<caption pageId="7" pageNumber="118">
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<paragraph pageId="7" pageNumber="118">
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Figure 5.
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<taxonomicName class="Insecta" family="Cerambycidae" genus="Pseudomacrochenus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Pseudomacrochenus wusuae" order="Coleoptera" pageId="7" pageNumber="118" phylum="Arthropoda" rank="species" species="wusuae">Pseudomacrochenus wusuae</taxonomicName>
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sp. n. (paratypes).
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<normalizedToken originalValue="A–D">A-D</normalizedToken>
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last instar larva (A ventral view B ventrolateral view C dorsal view D front view)
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<normalizedToken originalValue="E–G">E-G</normalizedToken>
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pupa (E dorsal view F lateral view G ventral view) H last instar larva in pupal chamber (20.I.2016) I pupa in pupal chamber (17.II.2016) J pupa in pupal chamber (11.III.2016) K newly sclerotized adult in pupal chamber (19.III.2016).
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</paragraph>
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</caption>
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</subSubSection>
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<subSubSection pageId="7" pageNumber="118" type="host">
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<paragraph pageId="7" pageNumber="118">Host plant.</paragraph>
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<paragraph pageId="7" pageNumber="118">
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<taxonomicName class="Magnoliopsida" family="Fabaceae" genus="Craspedolobium" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Craspedolobium schochii" order="Fabales" pageId="7" pageNumber="118" phylum="Tracheophyta" rank="species" species="schochii">Craspedolobium schochii</taxonomicName>
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Harms (巴豆藤) (Fig. 6
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<normalizedToken originalValue="A–B">A-B</normalizedToken>
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).
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</paragraph>
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<caption pageId="7" pageNumber="118">
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<paragraph pageId="7" pageNumber="118">
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Figure 6. Field observations of
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<taxonomicName class="Insecta" family="Cerambycidae" genus="Pseudomacrochenus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Pseudomacrochenus wusuae" order="Coleoptera" pageId="7" pageNumber="118" phylum="Arthropoda" rank="species" species="wusuae">Pseudomacrochenus wusuae</taxonomicName>
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sp. n. A biotope B host plant
|
||
<taxonomicName class="Magnoliopsida" family="Fabaceae" genus="Craspedolobium" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Craspedolobium schochii" order="Fabales" pageId="7" pageNumber="118" phylum="Tracheophyta" rank="species" species="schochii">Craspedolobium schochii</taxonomicName>
|
||
Harms C adult (resting) D adult (preparing to fly).
|
||
</paragraph>
|
||
</caption>
|
||
<paragraph pageId="7" pageNumber="118">
|
||
Field observations. Biotope in broad-leaved mixed forest of Liangshan Yi Autonomous Prefecture (Sichuan) is shown in Figs 6
|
||
<normalizedToken originalValue="A–B">A-B</normalizedToken>
|
||
. Adults in the biotope are shown in Fig. 6
|
||
<normalizedToken originalValue="C–D">C-D</normalizedToken>
|
||
.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection lastPageId="8" lastPageNumber="119" pageId="7" pageNumber="118" type="remarks">
|
||
<paragraph pageId="7" pageNumber="118">Remarks.</paragraph>
|
||
<paragraph pageId="7" pageNumber="118">
|
||
It is easy to distinguish
|
||
<taxonomicName class="Insecta" family="Cerambycidae" genus="Pseudomacrochenus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Pseudomacrochenus wusuae" order="Coleoptera" pageId="7" pageNumber="118" phylum="Arthropoda" rank="species" species="wusuae">Pseudomacrochenus wusuae</taxonomicName>
|
||
sp. n. from
|
||
<taxonomicName class="Insecta" family="Cerambycidae" genus="Pseudomacrochenus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Pseudomacrochenus spinicollis" order="Coleoptera" pageId="7" pageNumber="118" phylum="Arthropoda" rank="species" species="spinicollis">Pseudomacrochenus spinicollis</taxonomicName>
|
||
Breuning, 1949,
|
||
<taxonomicName class="Insecta" family="Cerambycidae" genus="Pseudomacrochenus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Pseudomacrochenus oberthueri" order="Coleoptera" pageId="7" pageNumber="118" phylum="Arthropoda" rank="species" species="oberthueri">Pseudomacrochenus oberthueri</taxonomicName>
|
||
Breuning, 1955 and
|
||
<taxonomicName class="Insecta" family="Cerambycidae" genus="Pseudomacrochenus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Pseudomacrochenus albipennis" order="Coleoptera" pageId="7" pageNumber="118" phylum="Arthropoda" rank="species" species="albipennis">Pseudomacrochenus albipennis</taxonomicName>
|
||
Chiang, 1981 since the new species has pronotum (Fig. 3
|
||
<normalizedToken originalValue="C–D">C-D</normalizedToken>
|
||
) much longer than wide, without long spine at the lateral side, but only with an inconspicuous vestigial small tubercle; while the latter three species have pronotum less elongated, with a distinct spine at each lateral side. In addition, pubescence and spots on the elytra of these species are different.
|
||
</paragraph>
|
||
<paragraph pageId="7" pageNumber="118">
|
||
This new species well resembles
|
||
<taxonomicName class="Insecta" family="Cerambycidae" genus="Pseudomacrochenus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Pseudomacrochenus antennatus" order="Coleoptera" pageId="7" pageNumber="118" phylum="Arthropoda" rank="species" species="antennatus">Pseudomacrochenus antennatus</taxonomicName>
|
||
(Gahan, 1894) in general appearance but it is easily distinguishable from it by the combination of the following characters: in
|
||
<taxonomicName class="Insecta" family="Cerambycidae" genus="Pseudomacrochenus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Pseudomacrochenus wusuae" order="Coleoptera" pageId="7" pageNumber="118" phylum="Arthropoda" rank="species" species="wusuae">Pseudomacrochenus wusuae</taxonomicName>
|
||
sp. n., elytra with a large discal spot constituted of pale contrasting grayish setae (Fig. 1E); area around the anterior margin of this spot almost not pubescent, forming a black semicircular ring; tergite VIII (Fig. 4B) with posterior edge weakly emarginate; sternite VIII (Fig. 4B) short and posterior edge more or less truncate; lateral lobes (Fig. 4F) of tegmen with more setae on dorsal surface of apex; ventral plate with apex (Fig. 4G) widely rounded. In
|
||
<taxonomicName class="Insecta" family="Cerambycidae" genus="Pseudomacrochenus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Pseudomacrochenus antennatus" order="Coleoptera" pageId="7" pageNumber="118" phylum="Arthropoda" rank="species" species="antennatus">Pseudomacrochenus antennatus</taxonomicName>
|
||
, elytra without contrasting large spot; tergite VIII (Fig. 4A) with posterior edge distinctly emarginate; sternite VIII (Fig. 4A) longer and posterior edge roundly curved; lateral lobes (Fig. 4C) of tegmen with less setae on dorsal surface of apex; ventral plate with apex (Fig. 4D) rounded.
|
||
</paragraph>
|
||
<paragraph lastPageId="8" lastPageNumber="119" pageId="7" pageNumber="118">
|
||
This new species is also similar to
|
||
<taxonomicName class="Insecta" family="Cerambycidae" genus="Pseudomacrochenus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Pseudomacrochenus affinis" order="Coleoptera" pageId="7" pageNumber="118" phylum="Arthropoda" rank="species" species="affinis">Pseudomacrochenus affinis</taxonomicName>
|
||
Breuning, 1960, from which it can be distinguished due to the fact that
|
||
<taxonomicName class="Insecta" family="Cerambycidae" genus="Pseudomacrochenus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Pseudomacrochenus wusuae" order="Coleoptera" pageId="7" pageNumber="118" phylum="Arthropoda" rank="species" species="wusuae">Pseudomacrochenus wusuae</taxonomicName>
|
||
sp. n. shows a larger discal spot, with less defined borders, and a hairless black semicircular ring around the ante
|
||
<pageBreakToken pageId="8" pageNumber="119" start="start">rior</pageBreakToken>
|
||
margin; while
|
||
<taxonomicName class="Insecta" family="Cerambycidae" genus="Pseudomacrochenus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Pseudomacrochenus affinis" order="Coleoptera" pageId="8" pageNumber="119" phylum="Arthropoda" rank="species" species="affinis">Pseudomacrochenus affinis</taxonomicName>
|
||
shows a smaller discal spot, with sharply defined borders, and a quite large hairless black patch before the eytral apex.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection pageId="8" pageNumber="119" type="etymology">
|
||
<paragraph pageId="8" pageNumber="119">Etymology.</paragraph>
|
||
<paragraph pageId="8" pageNumber="119">The specific epithet is dedicated to Ms. Wu-Su Chen, the wife of the first author, for her constant support and love.</paragraph>
|
||
</subSubSection>
|
||
<subSubSection pageId="8" pageNumber="119" type="distribution">
|
||
<paragraph pageId="8" pageNumber="119">Distribution.</paragraph>
|
||
<paragraph pageId="8" pageNumber="119">China (Sichuan).</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |