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<document ID-DOI="http://dx.doi.org/10.3897/zookeys.387.6672" ID-GBIF-Dataset="8150386d-e594-4fb0-a42d-7727ed7ee296" ID-PMC="PMC3970057" ID-Pensoft-Pub="1313-2970-387-11" ID-PubMed="24693217" ID-ZBK="5006765F4CF945B9B57E4E5B700EE1CA" ModsDocAuthor="" ModsDocDate="2014" ModsDocID="1313-2970-387-11" ModsDocOrigin="ZooKeys 387" ModsDocTitle="Revision of the Chaetocnema picipes species-group (Coleoptera, Chrysomelidae, Galerucinae, Alticini) in China, with descriptions of three new species" checkinTime="1451246194308" checkinUser="pensoft" docAuthor="Ruan, Yongying, Konstantinov, Alexander S., Ge, Siqin &amp; Yang, Xingke" docDate="2014" docId="F33963AD6DCF21AC43152892D57737CA" docLanguage="en" docName="ZooKeys 387: 11-32" docOrigin="ZooKeys 387" docSource="http://dx.doi.org/10.3897/zookeys.387.6672" docTitle="Chaetocnema (Chaetocnema) fortecostata Chen 1939" docType="treatment" docVersion="3" lastPageNumber="19" masterDocId="FD372320FF899302FFA4FF97FFA52173" masterDocTitle="Revision of the Chaetocnema picipes species-group (Coleoptera, Chrysomelidae, Galerucinae, Alticini) in China, with descriptions of three new species" masterLastPageNumber="32" masterPageNumber="11" pageNumber="16" updateTime="1668157900292" updateUser="ExternalLinkService">
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<mods:titleInfo>
<mods:title>Revision of the Chaetocnema picipes species-group (Coleoptera, Chrysomelidae, Galerucinae, Alticini) in China, with descriptions of three new species</mods:title>
</mods:titleInfo>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Ruan, Yongying</mods:namePart>
</mods:name>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Konstantinov, Alexander S.</mods:namePart>
</mods:name>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Ge, Siqin</mods:namePart>
</mods:name>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Yang, Xingke</mods:namePart>
</mods:name>
<mods:typeOfResource>text</mods:typeOfResource>
<mods:relatedItem type="host">
<mods:titleInfo>
<mods:title>ZooKeys</mods:title>
</mods:titleInfo>
<mods:part>
<mods:date>2014</mods:date>
<mods:detail type="volume">
<mods:number>387</mods:number>
</mods:detail>
<mods:extent unit="page">
<mods:start>11</mods:start>
<mods:end>32</mods:end>
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<mods:location>
<mods:url>http://dx.doi.org/10.3897/zookeys.387.6672</mods:url>
</mods:location>
<mods:classification>journal article</mods:classification>
<mods:identifier type="DOI">http://dx.doi.org/10.3897/zookeys.387.6672</mods:identifier>
<mods:identifier type="Pensoft-Pub">1313-2970-387-11</mods:identifier>
<mods:identifier type="ZBK">5006765F4CF945B9B57E4E5B700EE1CA</mods:identifier>
<mods:identifier type="ZooBank">5006765F4CF945B9B57E4E5B700EE1CA</mods:identifier>
</mods:mods>
<treatment ID-GBIF-Taxon="152051532" LSID="urn:lsid:plazi:treatment:F33963AD6DCF21AC43152892D57737CA" httpUri="http://treatment.plazi.org/id/F33963AD6DCF21AC43152892D57737CA" lastPageId="8" lastPageNumber="19" pageId="5" pageNumber="16">
<subSubSection pageId="5" pageNumber="16" type="nomenclature">
<paragraph pageId="5" pageNumber="16">
<taxonomicName LSID="http://species-id.net/wiki/Chaetocnema_fortecostata" authority="Chen, 1939" authorityName="Chen" authorityYear="1939" class="Insecta" family="Chrysomelidae" genus="Chaetocnema" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Chaetocnema (Chaetocnema) fortecostata" order="Coleoptera" pageId="5" pageNumber="16" phylum="Arthropoda" rank="species" species="fortecostata" subGenus="Chaetocnema">Chaetocnema (Chaetocnema) fortecostata Chen, 1939</taxonomicName>
Fig. 2
</paragraph>
</subSubSection>
<subSubSection pageId="5" pageNumber="16" type="reference_group">
<paragraph pageId="5" pageNumber="16">
<taxonomicName class="Insecta" family="Chrysomelidae" genus="Chaetocnema" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Chaetocnema fortecostata" order="Coleoptera" pageId="5" pageNumber="16" phylum="Arthropoda" rank="species" species="fortecostata">Chaetocnema fortecostata</taxonomicName>
Chen, 1939: 33 (type locality:
<normalizedToken originalValue="“Beibei”">&quot;Beibei&quot;</normalizedToken>
Guanxi, China; type depository: IZCAS; lectotype designated here);
<bibRefCitation author="Heikertinger, F" journalOrPublisher="Koleopterologische Rundschau" pageId="19" pageNumber="30" pagination="133 - 216" title="Bestimmungstabelle der palaearktischen Arten der Gattungen Podagrica Foudr., Mantura Steph. und Chaetocnema." volume="32" year="1951">Heikertinger 1951</bibRefCitation>
: 207.
</paragraph>
</subSubSection>
<subSubSection pageId="5" pageNumber="16" type="distribution">
<paragraph pageId="5" pageNumber="16">Distribution.</paragraph>
<paragraph pageId="5" pageNumber="16">Shaanxi, Hubei, Chongqing, Sichuan, Zhejiang, Hunan, Jiangxi, Fujian, Yunnan, Guangxi.</paragraph>
</subSubSection>
<subSubSection pageId="5" pageNumber="16" type="host plants">
<paragraph pageId="5" pageNumber="16">Host plants.</paragraph>
<paragraph pageId="5" pageNumber="16">
<taxonomicName class="Magnoliopsida" family="Polygonaceae" genus="Polygonum" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Polygonum" order="Caryophyllales" pageId="5" pageNumber="16" phylum="Tracheophyta" rank="genus">Polygonum</taxonomicName>
sp. (
<taxonomicName genus="Polygonaceae" lsidName="Polygonaceae" pageId="5" pageNumber="16" rank="genus">Polygonaceae</taxonomicName>
).
</paragraph>
</subSubSection>
<subSubSection pageId="6" pageNumber="17" type="diagnosis">
<paragraph pageId="6" pageNumber="17">
<pageBreakToken pageId="6" pageNumber="17" start="start">Diagnosis</pageBreakToken>
.
</paragraph>
<paragraph pageId="6" pageNumber="17">
<taxonomicName class="Insecta" family="Chrysomelidae" genus="Chaetocnema" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Chaetocnema fortecostata" order="Coleoptera" pageId="6" pageNumber="17" phylum="Arthropoda" rank="species" species="fortecostata">Chaetocnema fortecostata</taxonomicName>
sp. n. is similar to
<taxonomicName class="Insecta" family="Chrysomelidae" genus="Chaetocnema" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Chaetocnema picipes" order="Coleoptera" pageId="6" pageNumber="17" phylum="Arthropoda" rank="species" species="picipes">Chaetocnema picipes</taxonomicName>
and
<taxonomicName class="Insecta" family="Chrysomelidae" genus="Chaetocnema" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Chaetocnema cheni" order="Coleoptera" pageId="6" pageNumber="17" phylum="Arthropoda" rank="species" species="cheni">Chaetocnema cheni</taxonomicName>
sp. n. But the aedeagus in lateral view is robust in
<taxonomicName class="Insecta" family="Chrysomelidae" genus="Chaetocnema" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Chaetocnema fortecostata" order="Coleoptera" pageId="6" pageNumber="17" phylum="Arthropoda" rank="species" species="fortecostata">Chaetocnema fortecostata</taxonomicName>
and slender in
<taxonomicName class="Insecta" family="Chrysomelidae" genus="Chaetocnema" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Chaetocnema picipes" order="Coleoptera" pageId="6" pageNumber="17" phylum="Arthropoda" rank="species" species="picipes">Chaetocnema picipes</taxonomicName>
and
<taxonomicName class="Insecta" family="Chrysomelidae" genus="Chaetocnema" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Chaetocnema cheni" order="Coleoptera" pageId="6" pageNumber="17" phylum="Arthropoda" rank="species" species="cheni">Chaetocnema cheni</taxonomicName>
.
<taxonomicName class="Insecta" family="Chrysomelidae" genus="Chaetocnema" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Chaetocnema fortecostata" order="Coleoptera" pageId="6" pageNumber="17" phylum="Arthropoda" rank="species" species="fortecostata">Chaetocnema fortecostata</taxonomicName>
have bronzish dorsal surface of its body, while
<taxonomicName class="Insecta" family="Chrysomelidae" genus="Chaetocnema" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Chaetocnema picipes" order="Coleoptera" pageId="6" pageNumber="17" phylum="Arthropoda" rank="species" species="picipes">Chaetocnema picipes</taxonomicName>
and
<taxonomicName class="Insecta" family="Chrysomelidae" genus="Chaetocnema" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Chaetocnema cheni" order="Coleoptera" pageId="6" pageNumber="17" phylum="Arthropoda" rank="species" species="cheni">Chaetocnema cheni</taxonomicName>
are copperish.
</paragraph>
</subSubSection>
<subSubSection lastPageId="8" lastPageNumber="19" pageId="6" pageNumber="17" type="description">
<paragraph pageId="6" pageNumber="17">Description.</paragraph>
<paragraph pageId="6" pageNumber="17">
MBL = 1.75-1.90 mm; MBH = 1.60-1.79 mm; FBL = 2.03-2.12 mm; FBH = 1.89-2.03 mm; AL/BL = 0.64
<normalizedToken originalValue="±">+/-</normalizedToken>
0.05; MBW = 0.95-1.08 mm; EL/EW = 2.64
<normalizedToken originalValue="±">+/-</normalizedToken>
0.05; PW/PL =1.62
<normalizedToken originalValue="±">+/-</normalizedToken>
0.05; EL/PL = 2.98
<normalizedToken originalValue="±">+/-</normalizedToken>
0.05; EWB/PWB = 1.07-1.19; EWM/PWM = 1.34
<normalizedToken originalValue="±">+/-</normalizedToken>
0.05.
</paragraph>
<paragraph pageId="6" pageNumber="17">Color of dorsal side of body bronzish throughout, including head. Antennomere 1 partly dark brown. Antennomeres 2-3 yellow. Antennomere 4 yellow or partly brown. Antennomere 5 partly brown. Remaining antennomeres black. Pro- and mesofemora brown with yellow on apex. Metafemora brown. Tarsi brown with yellow on base of each tarsomere.</paragraph>
<paragraph pageId="6" pageNumber="17">
Head hypognathous. Frontal ridge between antennal sockets narrow and convex. Frontolateral sulcus present. Suprafrontal sulcus shallow and faint or deep laterally, shallow in middle. Suprafrontal sulcus slightly concave. Orbital sulcus (above antennal socket) obscure and narrow. Width of frontal ridge to width of antennal socket: 0.56-0.66. Width of orbital sulcus to width of frontolateral sulcus: 0.71
<normalizedToken originalValue="±">+/-</normalizedToken>
0.05. Surface of vertex sparsely and unevenly covered with 5-6 punctures near each eye. Numbers of punctures on orbit: 1-2 on each side. Numbers of setae along frontolateral sulcus: 5-6 on each side. Numbers of setae on frons (triangular area surrounded by frontolateral sulcus and clypeus): 0. Numbers of setae on clypeus: 5. Numbers of setae on labrum: 6. Anterior margin of labrum slightly convex in middle.
</paragraph>
<paragraph pageId="6" pageNumber="17">Base of pronotum with two short, obscure longitudinal impressions without punctures near basal margin. Deep row of large punctures at base of pronotum present on sides, lacking in middle. Shape of pronotal base evenly convex. Lateral sides of pronotum slightly convex with maximum width near base. Anterolateral prothoracic callosity protruding laterally forming strong round angle. Posterolateral prothoracic callosity projects up to lateral margin of pronotum. Diameter of pronotal punctures 2 to 4 times smaller than distance between them.</paragraph>
<paragraph pageId="6" pageNumber="17">Elytra with convex sides. Scutellar row of punctures regular and single. Remaining rows regular. Elytral humeral calli well developed. Interspace smooth and glabrous. 2 lines of minute punctures on each interspace.</paragraph>
<paragraph pageId="6" pageNumber="17">
First male protarsomere, length to width ratio: 1.65
<normalizedToken originalValue="±">+/-</normalizedToken>
0.05. First and second male protarsomeres, length to length ratio: 1.94-2.24, width to width ratio: 1.42-1.45. First male protarsomere, width at apex to width at base: 1.60-1.75. Length of metatibia to distance between denticle and metatibial apex: 2.80-2.90. Large lateral denticle on metatibia sharp. Metatibial serration proximal to large lateral denticle present, obtuse. Metatibia proximad to denticle in dorsal view concave. First male metatarsomere, length to width ratio: 3.60-3.67. First and second male metatarsomeres, length to length ratio: 1.87-1.93, width to width ratio: 0.83. Third and fourth male metatarsomeres, length to length ratio: 0.60-0.65. Metatibia length to metafemora length: 0.76
<normalizedToken originalValue="±">+/-</normalizedToken>
0.05. Length of hind leg to length of body: 0.87
<normalizedToken originalValue="±">+/-</normalizedToken>
0.05.
</paragraph>
<paragraph pageId="7" pageNumber="18">
<pageBreakToken pageId="7" pageNumber="18" start="start">Median</pageBreakToken>
lobe of aedeagus quite robust and thickened in lateral view. Apical third of median lobe widening evenly. Apical part of median lobe in ventral view narrowing abruptly. Ventral longitudinal groove of median lobe absent in apical part and poorly developed in middle and basal part. Apical denticle of aedeagus in ventral view poorly differentiated, curved ventrally in lateral view. Minute transverse wrinkles on ventral side of median lobe absent. Median lobe in lateral view slightly sinuous near apex. Maximal curvature of median lobe in lateral view situated medially. Width (in middle) to length of median lobe (in ventral view) about: 0.15.
</paragraph>
<paragraph pageId="8" pageNumber="19">
<pageBreakToken pageId="8" pageNumber="19" start="start">Spermathecal</pageBreakToken>
receptacle pear-shaped. Spermathecal pump much shorter than receptacle. Apex of spermathecal pump cylindrical. Spermathecal pump attached to middle of receptacle top. Maximum width of receptacle situated basally. Basal part of receptacle wider than apical. Posterior sclerotization of tignum spoon-shaped, wider than mid section. Anterior sclerotization of tignum narrower than mid section. Apex of vaginal palpus subdeltoid, with lateral side slightly arching. Sides of mid part of vaginal palpus (before apex) narrowing from base, widening towards apex. Anterior sclerotization of vaginal palpus slightly widening anteriorly. Anterior sclerotization of vaginal palpus slightly and evenly curved along length. Anterior end of anterior sclerotization broadly rounded. Length of posterior sclerotization greater than width. Posterior sclerotization about as wide as anterior.
</paragraph>
<caption pageId="8" pageNumber="19">
<paragraph pageId="8" pageNumber="19">
Figures 2.
<taxonomicName class="Insecta" family="Chrysomelidae" genus="Chaetocnema" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Chaetocnema fortecostata" order="Coleoptera" pageId="8" pageNumber="19" phylum="Arthropoda" rank="species" species="fortecostata">Chaetocnema fortecostata</taxonomicName>
. A Male habitus B Pronotum C Head D Aedeagus, ventral and lateral view E Apical part of aedeagus, dorsal view F Vaginal palpi G Spermatheca H Tignum.
</paragraph>
</caption>
</subSubSection>
<subSubSection pageId="8" pageNumber="19" type="type materials">
<paragraph pageId="8" pageNumber="19">Type materials</paragraph>
<paragraph pageId="8" pageNumber="19">
(preserved in IZCAS). Lectotype (designated here): 1♂, (1) Yangshuo, 21.VIII.1938, (2) Lectotype,
<taxonomicName class="Insecta" family="Chrysomelidae" genus="Chaetocnema" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Chaetocnema fortecostata" order="Coleoptera" pageId="8" pageNumber="19" phylum="Arthropoda" rank="species" species="fortecostata">Chaetocnema fortecostata</taxonomicName>
Chen, 1939, des. Yongying Ruan et al.
</paragraph>
<paragraph pageId="8" pageNumber="19">
Paralectotypes (designated here): 2♂5♀, (1) Yangshuo, 21.VIII.1938, (2) Paralectotype,
<taxonomicName class="Insecta" family="Chrysomelidae" genus="Chaetocnema" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Chaetocnema fortecostata" order="Coleoptera" pageId="8" pageNumber="19" phylum="Arthropoda" rank="species" species="fortecostata">Chaetocnema fortecostata</taxonomicName>
Chen, 1939, des. Yongying Ruan et al.
</paragraph>
</subSubSection>
<subSubSection pageId="8" pageNumber="19" type="materials">
<paragraph pageId="8" pageNumber="19">Materials</paragraph>
<paragraph pageId="8" pageNumber="19">
(all the materials preserved in IZCAS). 19♀14♂, Huoditang, Qinling Mountain, Shaanxi, alt.1600m, 6.VI.2013, leg. Yongying Ruan, feed on
<taxonomicName class="Magnoliopsida" family="Polygonaceae" genus="Polygonum" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Polygonum" order="Caryophyllales" pageId="8" pageNumber="19" phylum="Tracheophyta" rank="genus">Polygonum</taxonomicName>
sp.; 3, Maoping, Yangxian, Qinling Mountain, Shaanxi, alt.701m, 10.VI.2013, leg. Yongying Ruan; 2♂, Longmen River, Xingshan, Hubei, alt.1300m, leg. Shimei Song; 6, Longmen River, Xingshan, Hubei, 8.IX.1994, alt.1300m, leg. Jian Yao, feed on
<taxonomicName class="Magnoliopsida" family="Polygonaceae" genus="Polygonum" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Polygonum" order="Caryophyllales" pageId="8" pageNumber="19" phylum="Tracheophyta" rank="genus">Polygonum</taxonomicName>
sp.; 1♀2♂, Sanxia Linchang, Badong, Hubei, 26.VI.1994, alt.130m, leg. Jian Yao; 2♀1♂, Beibei, Chongqing, 17.V.1941; 3♂, Longchi, Sichuan, IX.29; 1♀2♂, Fengdu, Sichuan, alt.200m, 29.IX.1994, leg. Shimei Song; 56, Wangerbao, Wangxian, Sichuan, alt.1200m, 4.X.1994, leg. Jian Yao; 1♀1♂, Chudian, Emei Mountain, Sichuan, 28.VI.1957, leg. Fuxing Zhu; 1♀, Tienmo Shan, Zhejiang, 20.IX.1953; 24, Shanmuhe, Hunan, alt.600, 14.VIII.1988, leg. Shuyong Wang; 7♀4♂, Xingzi, Jiangxi, 1932; 1♀1♂, Shuyang, Fuan, Fujian, IV.3013, leg. Yongying Ruan, feed on
<taxonomicName class="Magnoliopsida" family="Polygonaceae" genus="Polygonum" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Polygonum" order="Caryophyllales" pageId="8" pageNumber="19" phylum="Tracheophyta" rank="genus">Polygonum</taxonomicName>
sp.; 5♀2♂, Sangxiang, Xingcun, Chongan, Fujian, alt.740m, 7.VI.1960, leg. Yong Zuo; 187, Baijixun, Weixi, Yunnan, alt.1780m, leg. Shuyong Wang, feed on
<taxonomicName class="Magnoliopsida" family="Polygonaceae" genus="Polygonum" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Polygonum" order="Caryophyllales" pageId="8" pageNumber="19" phylum="Tracheophyta" rank="genus">Polygonum</taxonomicName>
sp.; 14♀3♂, Xiaomengyang, Yunnan, alt.900m, III-IV.1957, leg. Shuyong Wang; 1♂, Damenglong, Xishuangbanna, Yunnan, alt.650m, 6.X.1958, leg. Zhizhi Chen.
</paragraph>
</subSubSection>
<subSubSection pageId="8" pageNumber="19" type="remarks">
<paragraph pageId="8" pageNumber="19">Remarks.</paragraph>
<paragraph pageId="8" pageNumber="19">
There is no holotype or paratype in the IZCAS. But we found eight specimens belonging to what looks like a type series of this species labeled as &quot;
<taxonomicName class="Insecta" family="Chrysomelidae" genus="Chaetocnema" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Chaetocnema fortecostata" order="Coleoptera" pageId="8" pageNumber="19" phylum="Arthropoda" rank="species" species="fortecostata">Chaetocnema fortecostata</taxonomicName>
sp. n.&quot; with
<normalizedToken originalValue="Chens">Chen's</normalizedToken>
handwriting. The locality on the label corresponds with the original description. Therefore we consider these eight specimens as the syntypes. Here we designate one male as the lectotype and the remaining seven as paralectotypes.
</paragraph>
<paragraph pageId="8" pageNumber="19">
This species only occurs in the Oriental China while the northernmost specimens were found on the southern slopes of Qinling Mountain, which is considered as a border between Palearctic and Oriental Regions within China (
<bibRefCitation author="Chen, XX" journalOrPublisher="China Forestry Publishing House, Beijing" pageId="19" pageNumber="30" title="Insect Biogeography." year="1997">Chen 1997</bibRefCitation>
;
<bibRefCitation author="Yang, XK" journalOrPublisher="Science Press, Beijing" pageId="20" pageNumber="31" title="Insect Fauna of Middle-West Qinling Range and South Mountains of Gansu Province." year="2005">Yang 2005</bibRefCitation>
).
</paragraph>
</subSubSection>
</treatment>
</document>