234 lines
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234 lines
22 KiB
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<document ID-DOI="http://dx.doi.org/10.3897/zookeys.1060.70203" ID-GBIF-Dataset="2da60a77-ada0-4443-844a-acde7840878c" ID-PMC="PMC8463525" ID-Pensoft-Pub="1313-2970-1060-111" ID-Pensoft-UUID="7283CD3DD4DB562A9AC8F3EEC33BD54C" ID-PubMed="34616206" ID-ZooBank="594190F98E0D4B9493EE731612FB209A" ModsDocID="1313-2970-1060-111" checkinTime="1631884263824" checkinUser="pensoft" docAuthor="Duan, Wen-Yuan, Wang, Feng-Yan & Zhou, Hong-Zhang" docDate="2021" docId="EEF0DDC78F945C2AB8E9F24D3107F76B" docLanguage="en" docName="ZooKeys 1060: 111-123" docOrigin="ZooKeys 1060" docPubDate="2021-09-17" docSource="http://dx.doi.org/10.3897/zookeys.1060.70203" docTitle="Melixanthus similibimaculicollis Duan, Wang & Zhou 2021, sp. nov." docType="treatment" docUuid="CF48CD44-29B9-4CCA-BB5F-764FA5F15982" docUuidSource="ZooBank" docVersion="4" id="7283CD3DD4DB562A9AC8F3EEC33BD54C" lastPageNumber="111" masterDocId="7283CD3DD4DB562A9AC8F3EEC33BD54C" masterDocTitle="Two new species of the genus Melixanthus Suffrian (Coleoptera, Chrysomelidae, Cryptocephalinae) from China" masterLastPageNumber="123" masterPageNumber="111" pageNumber="111" updateTime="1668150905891" 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>Two new species of the genus Melixanthus Suffrian (Coleoptera, Chrysomelidae, Cryptocephalinae) from China</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>Duan, Wen-Yuan</mods:namePart>
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<mods:nameIdentifier type="ORCID">https://orcid.org/0000-0002-3032-5864</mods:nameIdentifier>
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<mods:affiliation>Key Laboratory of Zoological Systematics and Evolution, Institute of Zoology, Chinese Academy of Sciences, 1 Beichen West Rd., Chaoyang District, Beijing 100101, China & University of the Chinese Academy of Sciences, 19 A Yuquan Rd., Shijingshan District, Beijing 100049, China</mods:affiliation>
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</mods:name>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Wang, Feng-Yan</mods:namePart>
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<mods:affiliation>Key Laboratory of Zoological Systematics and Evolution, Institute of Zoology, Chinese Academy of Sciences, 1 Beichen West Rd., Chaoyang District, Beijing 100101, China & University of the Chinese Academy of Sciences, 19 A Yuquan Rd., Shijingshan District, Beijing 100049, China</mods:affiliation>
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</mods:name>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Zhou, Hong-Zhang</mods:namePart>
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<mods:affiliation>Key Laboratory of Zoological Systematics and Evolution, Institute of Zoology, Chinese Academy of Sciences, 1 Beichen West Rd., Chaoyang District, Beijing 100101, China & University of the Chinese Academy of Sciences, 19 A Yuquan Rd., Shijingshan District, Beijing 100049, China</mods:affiliation>
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<mods:nameIdentifier type="email">zhouhz@ioz.ac.cn</mods:nameIdentifier>
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</mods:name>
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<mods:typeOfResource>text</mods:typeOfResource>
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<mods:relatedItem type="host">
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<mods:titleInfo>
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<mods:title>ZooKeys</mods:title>
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</mods:titleInfo>
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<mods:part>
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<mods:date>2021</mods:date>
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<mods:detail type="pubDate">
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<mods:number>2021-09-17</mods:number>
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</mods:detail>
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<mods:detail type="volume">
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<mods:number>1060</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>123</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.1060.70203</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.1060.70203</mods:identifier>
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<mods:identifier type="Pensoft-Pub">1313-2970-1060-111</mods:identifier>
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<mods:identifier type="ZooBank">594190F98E0D4B9493EE731612FB209A</mods:identifier>
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<mods:identifier type="Pensoft-UUID">7283CD3DD4DB562A9AC8F3EEC33BD54C</mods:identifier>
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</mods:mods>
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<treatment ID-GBIF-Taxon="188067088" LSID="urn:lsid:zoobank.org:act:CF48CD44-29B9-4CCA-BB5F-764FA5F15982" httpUri="http://treatment.plazi.org/id/EEF0DDC78F945C2AB8E9F24D3107F76B" lastPageNumber="111" pageId="0" pageNumber="111">
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<subSubSection pageId="0" pageNumber="111" type="nomenclature">
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<paragraph pageId="0" pageNumber="111">
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<taxonomicName LSID="http://zoobank.org/CF48CD44-29B9-4CCA-BB5F-764FA5F15982" authority="Duan, Wang & Zhou" authorityName="Duan, Wang & Zhou" authorityYear="2021" class="Insecta" family="Chrysomelidae" genus="Melixanthus" higherTaxonomySource="GBIF" kingdom="Animalia" lsidName="Melixanthus similibimaculicollis" order="Coleoptera" pageId="0" pageNumber="111" phylum="Arthropoda" rank="species" species="similibimaculicollis" status="sp. nov.">Melixanthus similibimaculicollis Duan, Wang & Zhou</taxonomicName>
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<taxonomicNameLabel pageId="0" pageNumber="111">sp. nov.</taxonomicNameLabel>
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="111" type="description">
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<paragraph pageId="0" pageNumber="111">
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<figureCitation captionStart="Figure 1" captionStartId="F1" captionText="Figure 1. Melixanthus prosternum A, B M. menglaensis Duan, Wang & Zhou, sp. nov. C, D M. similibimaculicollis Duan, Wang & Zhou, sp. nov. E, F M. bimaculicollis Baly, 1865." figureDoi="10.3897/zookeys.1060.70203.figure1" httpUri="https://binary.pensoft.net/fig/589883" pageId="0" pageNumber="111">Figures 1</figureCitation>
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<figureCitation captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Melixanthus claws A, B M. menglaensis Duan, Wang & Zhou, sp. nov. C, D M. similibimaculicollis Duan, Wang & Zhou, sp. nov. E, F M. bimaculicollis Baly, 1865. Scale bars: 0.1 mm." figureDoi="10.3897/zookeys.1060.70203.figure2" httpUri="https://binary.pensoft.net/fig/589884" pageId="0" pageNumber="111">, 2</figureCitation>
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<figureCitation captionStart="Figure 6" captionStartId="F6" captionText="Figure 6. Melixanthus similibimaculicollis Duan, Wang & Zhou, sp. nov. A habitus B lateral view of habitus C antennae D lateral view of aedeagus E ventral view of aedeagus F dorsal view of aedeagus. Scale bars: 0.5 mm (A, B), 0.2 mm (C-F)." figureDoi="10.3897/zookeys.1060.70203.figure6" httpUri="https://binary.pensoft.net/fig/589888" pageId="0" pageNumber="111">, 6</figureCitation>
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<figureCitation captionStart="Figure 7" captionStartId="F7" captionText="Figure 7. Melixanthus similibimaculicollis Duan, Wang & Zhou, sp. nov. A dorsal view of aedeagus B ventral view of aedeagus C lateral view of aedeagus D spermatheca. Scale bars: 0.2 mm." figureDoi="10.3897/zookeys.1060.70203.figure7" httpUri="https://binary.pensoft.net/fig/589882" pageId="0" pageNumber="111">, 7</figureCitation>
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="111" type="type locality">
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<paragraph pageId="0" pageNumber="111">Type locality.</paragraph>
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<paragraph pageId="0" pageNumber="111">China: Yunnan Province: Cheli.</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="111" type="type material">
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<paragraph pageId="0" pageNumber="111">Type material examined.</paragraph>
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<paragraph pageId="0" pageNumber="111">
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<emphasis bold="true" pageId="0" pageNumber="111">
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<emphasis italics="true" pageId="0" pageNumber="111">Holotype</emphasis>
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:
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</emphasis>
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male,
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<emphasis bold="true" pageId="0" pageNumber="111">China: Yunnan Province</emphasis>
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: Cheli, 9.III.1957, coll. Fuji Pu (IZ-CAS);
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<emphasis bold="true" pageId="0" pageNumber="111">
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<emphasis italics="true" pageId="0" pageNumber="111">Paratypes</emphasis>
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: China: Yunnan Province
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</emphasis>
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: 1 male, 50 km southwest of Mojiang, 30.III.1955, coll. Kryzhanowski (IZ-CAS); 1 female, Longling, 1600 m, 20.V.1955, coll. Kryzhanowski (IZ-CAS).
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="111" type="description">
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<paragraph pageId="0" pageNumber="111">Measurements.</paragraph>
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<paragraph pageId="0" pageNumber="111">BL = 2.55-2.82 mm, BW = 1.57-1.73 mm, HL = 0.82 mm, HW = 0.85 mm, PL = 0.90 mm, PW = 1.62 mm, EL = 1.81 mm, AL = 0.91 mm, AW = 0.34 mm, SW = 0.39 mm.</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="111" type="description">
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<paragraph pageId="0" pageNumber="111">Description.</paragraph>
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<paragraph pageId="0" pageNumber="111">
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Body (Fig.
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<figureCitation captionStart="Figure 6" captionStartId="F6" captionText="Figure 6. Melixanthus similibimaculicollis Duan, Wang & Zhou, sp. nov. A habitus B lateral view of habitus C antennae D lateral view of aedeagus E ventral view of aedeagus F dorsal view of aedeagus. Scale bars: 0.5 mm (A, B), 0.2 mm (C-F)." figureDoi="10.3897/zookeys.1060.70203.figure6" httpUri="https://binary.pensoft.net/fig/589888" pageId="0" pageNumber="111">6A, B</figureCitation>
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) elongate, almost cylindrical, rounded anteriorly. Head yellow, vertex with a darkish brown triangular marking; antennae (Fig.
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<figureCitation captionStart="Figure 6" captionStartId="F6" captionText="Figure 6. Melixanthus similibimaculicollis Duan, Wang & Zhou, sp. nov. A habitus B lateral view of habitus C antennae D lateral view of aedeagus E ventral view of aedeagus F dorsal view of aedeagus. Scale bars: 0.5 mm (A, B), 0.2 mm (C-F)." figureDoi="10.3897/zookeys.1060.70203.figure6" httpUri="https://binary.pensoft.net/fig/589888" pageId="0" pageNumber="111">6C</figureCitation>
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) with basal 5 segments yellowish brown, the rest brown; clypeus yellow; labrum yellowish brown; mandibles reddish brown. Pronotum yellow, and basal margin pitchy brown, forming 2 nearly round pitchy brown markings along anterior margin. Scutellum entirely black. Elytra pitchy black only in basal and apical parts, with a large yellow band in middle region, covering about 2/3 of whole elytron; sutural and lateral margins also pitchy black. Ventral surface yellowish brown.
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</paragraph>
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<caption doi="10.3897/zookeys.1060.70203.figure6" httpUri="https://binary.pensoft.net/fig/589888" pageId="0" pageNumber="111" start="Figure 6" startId="F6">
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<paragraph pageId="0" pageNumber="111">
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<emphasis bold="true" pageId="0" pageNumber="111">Figure 6.</emphasis>
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<taxonomicName authorityName="Duan, Wang & Zhou" authorityYear="2021" class="Insecta" family="Chrysomelidae" genus="Melixanthus" higherTaxonomySource="GBIF" kingdom="Animalia" lsidName="Melixanthus similibimaculicollis" order="Coleoptera" pageId="0" pageNumber="111" phylum="Arthropoda" rank="species" species="similibimaculicollis">
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<emphasis italics="true" pageId="0" pageNumber="111">Melixanthus similibimaculicollis</emphasis>
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</taxonomicName>
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Duan, Wang & Zhou, sp. nov.
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<emphasis bold="true" pageId="0" pageNumber="111">A</emphasis>
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habitus
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<emphasis bold="true" pageId="0" pageNumber="111">B</emphasis>
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lateral view of habitus
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<emphasis bold="true" pageId="0" pageNumber="111">C</emphasis>
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antennae
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<emphasis bold="true" pageId="0" pageNumber="111">D</emphasis>
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lateral view of aedeagus
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<emphasis bold="true" pageId="0" pageNumber="111">E</emphasis>
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ventral view of aedeagus
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<emphasis bold="true" pageId="0" pageNumber="111">F</emphasis>
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dorsal view of aedeagus. Scale bars: 0.5 mm (
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<emphasis bold="true" pageId="0" pageNumber="111">A, B</emphasis>
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), 0.2 mm (
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<emphasis bold="true" pageId="0" pageNumber="111">C-F</emphasis>
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).
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</paragraph>
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</caption>
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<paragraph pageId="0" pageNumber="111">
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Head with sparsely pubescence, without punctures, flattened in midline, and with longitudinal shallow groove on frons. Eyes kidney-shaped, deeply emarginated; antennal insertions about equally separated with superior eye-lobes. Clypeus trapeziform, anterior margin concave, without punctures. Antennae (Fig.
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<figureCitation captionStart="Figure 6" captionStartId="F6" captionText="Figure 6. Melixanthus similibimaculicollis Duan, Wang & Zhou, sp. nov. A habitus B lateral view of habitus C antennae D lateral view of aedeagus E ventral view of aedeagus F dorsal view of aedeagus. Scale bars: 0.5 mm (A, B), 0.2 mm (C-F)." figureDoi="10.3897/zookeys.1060.70203.figure6" httpUri="https://binary.pensoft.net/fig/589888" pageId="0" pageNumber="111">6C</figureCitation>
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) long and slightly thin, reaching 1/3 region of elytra; 1st segment clubbed; 2nd oblong, about 1/2 as long as 1st; 3rd-5th thin, about equal in length, longer than 2nd; 6 apical segments moderately thickened, about 1.7-2.0 times as long as wide, last segment pointed apically.
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</paragraph>
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<paragraph pageId="0" pageNumber="111">
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Pronotum (Fig.
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<figureCitation captionStart="Figure 6" captionStartId="F6" captionText="Figure 6. Melixanthus similibimaculicollis Duan, Wang & Zhou, sp. nov. A habitus B lateral view of habitus C antennae D lateral view of aedeagus E ventral view of aedeagus F dorsal view of aedeagus. Scale bars: 0.5 mm (A, B), 0.2 mm (C-F)." figureDoi="10.3897/zookeys.1060.70203.figure6" httpUri="https://binary.pensoft.net/fig/589888" pageId="0" pageNumber="111">6A, B</figureCitation>
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) 1.8 times as wide as long, moderately narrowed and rounded anteriorly; surface strongly convex, impunctate and shining. Scutellum triangular, nearly as long as wide, surface smooth, shining, apically elevated, observable in lateral view.
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</paragraph>
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<paragraph pageId="0" pageNumber="111">
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Elytra (Fig.
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<figureCitation captionStart="Figure 6" captionStartId="F6" captionText="Figure 6. Melixanthus similibimaculicollis Duan, Wang & Zhou, sp. nov. A habitus B lateral view of habitus C antennae D lateral view of aedeagus E ventral view of aedeagus F dorsal view of aedeagus. Scale bars: 0.5 mm (A, B), 0.2 mm (C-F)." figureDoi="10.3897/zookeys.1060.70203.figure6" httpUri="https://binary.pensoft.net/fig/589888" pageId="0" pageNumber="111">6A, B</figureCitation>
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) with humeri prominent and glabrous, widest slightly behind humerus, feebly truncated at apex. Disc with regular rows of coarse punctures; interspace of rows without any punctures; epipleura slightly obliquely placed and observable in lateral view.
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</paragraph>
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<caption doi="10.3897/zookeys.1060.70203.figure7" httpUri="https://binary.pensoft.net/fig/589882" pageId="0" pageNumber="111" start="Figure 7" startId="F7">
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<paragraph pageId="0" pageNumber="111">
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<emphasis bold="true" pageId="0" pageNumber="111">Figure 7.</emphasis>
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<taxonomicName authorityName="Duan, Wang & Zhou" authorityYear="2021" class="Insecta" family="Chrysomelidae" genus="Melixanthus" higherTaxonomySource="GBIF" kingdom="Animalia" lsidName="Melixanthus similibimaculicollis" order="Coleoptera" pageId="0" pageNumber="111" phylum="Arthropoda" rank="species" species="similibimaculicollis">
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<emphasis italics="true" pageId="0" pageNumber="111">Melixanthus similibimaculicollis</emphasis>
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</taxonomicName>
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Duan, Wang & Zhou, sp. nov.
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<emphasis bold="true" pageId="0" pageNumber="111">A</emphasis>
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dorsal view of aedeagus
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<emphasis bold="true" pageId="0" pageNumber="111">B</emphasis>
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ventral view of aedeagus
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<emphasis bold="true" pageId="0" pageNumber="111">C</emphasis>
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lateral view of aedeagus
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<emphasis bold="true" pageId="0" pageNumber="111">D</emphasis>
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spermatheca. Scale bars: 0.2 mm.
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</paragraph>
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</caption>
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<paragraph pageId="0" pageNumber="111">
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Ventral side smooth, partly clothed with pubescence. Prosternum (Fig.
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<figureCitation captionStart="Figure 1" captionStartId="F1" captionText="Figure 1. Melixanthus prosternum A, B M. menglaensis Duan, Wang & Zhou, sp. nov. C, D M. similibimaculicollis Duan, Wang & Zhou, sp. nov. E, F M. bimaculicollis Baly, 1865." figureDoi="10.3897/zookeys.1060.70203.figure1" httpUri="https://binary.pensoft.net/fig/589883" pageId="0" pageNumber="111">1C, D</figureCitation>
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) square, anterior margin nearly straight; basal margin slightly concave, and drawn out into a pair of small denticles. Mesosternum trapeziform, 1.5 times as wide as long. Metasternum with coarsely sporadic punctures in sutural region and with sparse pubescence. Pygidium flat, punctate and pubescent. Claws (Fig.
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<figureCitation captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Melixanthus claws A, B M. menglaensis Duan, Wang & Zhou, sp. nov. C, D M. similibimaculicollis Duan, Wang & Zhou, sp. nov. E, F M. bimaculicollis Baly, 1865. Scale bars: 0.1 mm." figureDoi="10.3897/zookeys.1060.70203.figure2" httpUri="https://binary.pensoft.net/fig/589884" pageId="0" pageNumber="111">2C, D</figureCitation>
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) distinctly toothed, thickened basally.
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</paragraph>
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<paragraph pageId="0" pageNumber="111">
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<emphasis bold="true" pageId="0" pageNumber="111">Aedeagus</emphasis>
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(Figs
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<figureCitation captionStart="Figure 6" captionStartId="F6" captionText="Figure 6. Melixanthus similibimaculicollis Duan, Wang & Zhou, sp. nov. A habitus B lateral view of habitus C antennae D lateral view of aedeagus E ventral view of aedeagus F dorsal view of aedeagus. Scale bars: 0.5 mm (A, B), 0.2 mm (C-F)." figureDoi="10.3897/zookeys.1060.70203.figure6" httpUri="https://binary.pensoft.net/fig/589888" pageId="0" pageNumber="111">6D-F</figureCitation>
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,
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<figureCitation captionStart="Figure 7" captionStartId="F7" captionText="Figure 7. Melixanthus similibimaculicollis Duan, Wang & Zhou, sp. nov. A dorsal view of aedeagus B ventral view of aedeagus C lateral view of aedeagus D spermatheca. Scale bars: 0.2 mm." figureDoi="10.3897/zookeys.1060.70203.figure7" httpUri="https://binary.pensoft.net/fig/589882" pageId="0" pageNumber="111">7A-C</figureCitation>
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) elongate, about 2.7 times as long as wide, clubbed. Anterior margin of median lobe nearly straight, middle part papillary protruding, strongly curved in lateral view; with several pubescence on each side of apex and upper lateral margins, punctate on apex of median lobe. Median orifice with middle sclerite bending inwards above surface. Upper part of median lobe with a pair of sclerotized prominence, exceeding the median lobe. Inner sac rather narrow, arrow-shaped. Tegmen Y-shaped, weakly sclerotized, almost translucent.
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</paragraph>
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<paragraph pageId="0" pageNumber="111">
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<emphasis bold="true" pageId="0" pageNumber="111">Female.</emphasis>
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Body more robust than male;
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<emphasis bold="true" pageId="0" pageNumber="111">spermatheca</emphasis>
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(Fig.
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<figureCitation captionStart="Figure 7" captionStartId="F7" captionText="Figure 7. Melixanthus similibimaculicollis Duan, Wang & Zhou, sp. nov. A dorsal view of aedeagus B ventral view of aedeagus C lateral view of aedeagus D spermatheca. Scale bars: 0.2 mm." figureDoi="10.3897/zookeys.1060.70203.figure7" httpUri="https://binary.pensoft.net/fig/589882" pageId="0" pageNumber="111">7D</figureCitation>
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) hook-shaped, bent at a right-angle halfway, slightly acute at apex. Duct weakly sclerotized, tightly coiled.
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<emphasis bold="true" pageId="0" pageNumber="111">Rectal sclerites</emphasis>
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absent in specimen studied.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="111" type="distribution">
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<paragraph pageId="0" pageNumber="111">Distribution.</paragraph>
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<paragraph pageId="0" pageNumber="111">China (Yunnan).</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="111" type="etymology">
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<paragraph pageId="0" pageNumber="111">Etymology.</paragraph>
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<paragraph pageId="0" pageNumber="111">
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The specific epithet is derived from the Latin terms
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<emphasis italics="true" pageId="0" pageNumber="111">simili</emphasis>
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-,
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<emphasis italics="true" pageId="0" pageNumber="111">bi</emphasis>
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-,
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<emphasis italics="true" pageId="0" pageNumber="111">maculi</emphasis>
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- and
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<emphasis italics="true" pageId="0" pageNumber="111">collis</emphasis>
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, to indicate the new species near to
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<taxonomicName lsidName="M. bimaculicollis" pageId="0" pageNumber="111" rank="species" species="bimaculicollis">
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<emphasis italics="true" pageId="0" pageNumber="111">M. bimaculicollis</emphasis>
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</taxonomicName>
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.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="111" type="diagnosis">
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<paragraph pageId="0" pageNumber="111">Diagnosis.</paragraph>
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<paragraph pageId="0" pageNumber="111">
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The new species is similar to
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<taxonomicName lsidName="M. bimaculicollis" pageId="0" pageNumber="111" rank="species" species="bimaculicollis">
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<emphasis italics="true" pageId="0" pageNumber="111">M. bimaculicollis</emphasis>
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</taxonomicName>
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Baly, 1865, but can be distinguished from it by the smaller body size; head and scutellum without any punctures; slightly narrower pronotum; elytra with finer punctures, and only basal part punctures surrounded by dark ring; basal margin of prosternum (Fig.
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<figureCitation captionStart="Figure 1" captionStartId="F1" captionText="Figure 1. Melixanthus prosternum A, B M. menglaensis Duan, Wang & Zhou, sp. nov. C, D M. similibimaculicollis Duan, Wang & Zhou, sp. nov. E, F M. bimaculicollis Baly, 1865." figureDoi="10.3897/zookeys.1060.70203.figure1" httpUri="https://binary.pensoft.net/fig/589883" pageId="0" pageNumber="111">1C, D</figureCitation>
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) drawn out into a pair of small sharp denticles.
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<taxonomicName authorityName="Duan, Wang & Zhou" authorityYear="2021" class="Insecta" family="Chrysomelidae" genus="Melixanthus" higherTaxonomySource="GBIF" kingdom="Animalia" lsidName="Melixanthus similibimaculicollis" order="Coleoptera" pageId="0" pageNumber="111" phylum="Arthropoda" rank="species" species="similibimaculicollis">
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<emphasis italics="true" pageId="0" pageNumber="111">Melixanthus similibimaculicollis</emphasis>
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</taxonomicName>
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is also similar to
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<taxonomicName lsidName="M. menglaensis" pageId="0" pageNumber="111" rank="species" species="menglaensis">
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<emphasis italics="true" pageId="0" pageNumber="111">M. menglaensis</emphasis>
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</taxonomicName>
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Duan, Wang & Zhou, sp. nov., but can be distinguished by the following characters: head without punctures; claws toothed (Fig.
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<figureCitation captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Melixanthus claws A, B M. menglaensis Duan, Wang & Zhou, sp. nov. C, D M. similibimaculicollis Duan, Wang & Zhou, sp. nov. E, F M. bimaculicollis Baly, 1865. Scale bars: 0.1 mm." figureDoi="10.3897/zookeys.1060.70203.figure2" httpUri="https://binary.pensoft.net/fig/589884" pageId="0" pageNumber="111">2C, D</figureCitation>
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); and body size smaller.
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</paragraph>
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</subSubSection>
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</treatment>
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</document> |