289 lines
25 KiB
XML
289 lines
25 KiB
XML
<document ID-DOI="http://dx.doi.org/10.3897/zookeys.1091.79564" ID-GBIF-Dataset="64b1edd6-e277-4239-a230-3d87e367a13f" ID-PMC="PMC9005496" ID-Pensoft-Pub="1313-2970-1091-15" ID-Pensoft-UUID="441AFDF6A4B85C8198C4A84CBFDF0AA9" ID-PubMed="35586020" ID-ZooBank="BC5444151BC74724A186FB7ED12B0CAE" ModsDocID="1313-2970-1091-15" checkinTime="1648741050671" checkinUser="pensoft" docAuthor="Mai, Zuqi, Hu, Jian & Jia, Fenglong" docDate="2022" docId="A71FE8B189D159718CA38299629BD9EF" docLanguage="en" docName="ZooKeys 1091: 15-56" docOrigin="ZooKeys 1091" docPubDate="2022-03-31" docSource="http://dx.doi.org/10.3897/zookeys.1091.79564" docTitle="Coelostoma (Lachnocoelostoma) mixtum Mai & Jia 2022, sp. nov." docType="treatment" docUuid="DBD0A5A3-6C16-435E-B4EF-463D3632DF6F" docUuidSource="ZooBank" docVersion="4" id="441AFDF6A4B85C8198C4A84CBFDF0AA9" lastPageNumber="15" masterDocId="441AFDF6A4B85C8198C4A84CBFDF0AA9" masterDocTitle="Additional fauna of Coelostoma Brulle, 1835 from China, with re-establishment of Coelostoma sulcatum Pu, 1963 as a valid species (Coleoptera, Hydrophilidae, Sphaeridiinae)" masterLastPageNumber="56" masterPageNumber="15" pageNumber="15" updateTime="1668151577155" 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>Additional fauna of Coelostoma Brulle, 1835 from China, with re-establishment of Coelostoma sulcatum Pu, 1963 as a valid species (Coleoptera, Hydrophilidae, Sphaeridiinae)</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>Mai, Zuqi</mods:namePart>
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<mods:nameIdentifier type="ORCID">https://orcid.org/0000-0003-3124-2021</mods:nameIdentifier>
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<mods:affiliation>School of Agriculture, Sun Yat-sen University, Guangzhou, 511436, Guangdong, 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>Hu, Jian</mods:namePart>
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<mods:nameIdentifier type="ORCID">https://orcid.org/0000-0002-4122-8533</mods:nameIdentifier>
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<mods:affiliation>School of Agriculture, Sun Yat-sen University, Guangzhou, 511436, Guangdong, 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>Jia, Fenglong</mods:namePart>
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<mods:nameIdentifier type="ORCID">https://orcid.org/0000-0003-2391-5038</mods:nameIdentifier>
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<mods:affiliation>School of Agriculture, Sun Yat-sen University, Guangzhou, 511436, Guangdong, China & Institute of Entomology, Life Sciences School, Sun Yat-sen University, Guangzhou, 510275, Guangdong, China</mods:affiliation>
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<mods:nameIdentifier type="email">fenglongjia@aliyun.com</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>2022</mods:date>
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<mods:detail type="pubDate">
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<mods:number>2022-03-31</mods:number>
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</mods:detail>
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<mods:detail type="volume">
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<mods:number>1091</mods:number>
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</mods:detail>
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<mods:extent unit="page">
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<mods:start>15</mods:start>
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<mods:end>56</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.1091.79564</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.1091.79564</mods:identifier>
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<mods:identifier type="Pensoft-Pub">1313-2970-1091-15</mods:identifier>
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<mods:identifier type="ZooBank">BC5444151BC74724A186FB7ED12B0CAE</mods:identifier>
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<mods:identifier type="Pensoft-UUID">441AFDF6A4B85C8198C4A84CBFDF0AA9</mods:identifier>
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</mods:mods>
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<treatment ID-GBIF-Taxon="194317829" LSID="urn:lsid:zoobank.org:act:DBD0A5A3-6C16-435E-B4EF-463D3632DF6F" httpUri="http://treatment.plazi.org/id/A71FE8B189D159718CA38299629BD9EF" lastPageNumber="15" pageId="0" pageNumber="15">
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<subSubSection pageId="0" pageNumber="15" type="nomenclature">
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<paragraph pageId="0" pageNumber="15">
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<taxonomicName LSID="http://zoobank.org/DBD0A5A3-6C16-435E-B4EF-463D3632DF6F" authority="Mai & Jia" authorityName="Mai & Jia" authorityYear="2022" class="Insecta" family="Hydrophilidae" genus="Coelostoma" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Coelostoma (Lachnocoelostoma) mixtum" order="Coleoptera" pageId="0" pageNumber="15" phylum="Arthropoda" rank="species" species="mixtum" status="sp. nov." subGenus="Lachnocoelostoma">Coelostoma (Lachnocoelostoma) mixtum Mai & Jia</taxonomicName>
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<taxonomicNameLabel pageId="0" pageNumber="15">sp. nov.</taxonomicNameLabel>
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="15" type="description">
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<paragraph pageId="0" pageNumber="15">
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<figureCitation captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Coelostoma (Lachnocoelostoma) mixtum Mai & Jia, sp. nov. A dorsal view B ventral view C lateral view. Scale bar: 1.0 mm (A-C)." figureDoi="10.3897/zookeys.1091.79564.figure4" httpUri="https://binary.pensoft.net/fig/666186" pageId="0" pageNumber="15">Figures 4A-C</figureCitation>
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<figureCitation captionStart="Figure 5" captionStartId="F5" captionText="Figure 5. Aedeagus of Coelostoma mixtum Mai & Jia, sp. nov. and Coelostoma vagum Orchymont, 1940. A-C C. mixtum sp. nov. A dorsal view B lateral view C ventral view D-F C. vagum D dorsal view E lateral view F illustration by Orchymont (1940). Scale bar: 0.5 mm (A-E)." figureDoi="10.3897/zookeys.1091.79564.figure5" httpUri="https://binary.pensoft.net/fig/666187" pageId="0" pageNumber="15">, 5A-C</figureCitation>
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="15" type="type material">
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<paragraph pageId="0" pageNumber="15">Type material examined.</paragraph>
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<paragraph pageId="0" pageNumber="15">
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<emphasis bold="true" italics="true" pageId="0" pageNumber="15">Holotype</emphasis>
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: male (SYSU), China, Fujian, Wuyishan, Sangang Village (三港村), 16-28.v.2004, Cai-xia Yuan & Jing Li leg.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="15" type="diagnosis">
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<paragraph pageId="0" pageNumber="15">Diagnosis.</paragraph>
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<paragraph pageId="0" pageNumber="15">
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Length 6.13 mm. Head, pronotum and elytra with similar punctation. Prosternum carinate medially, with a prominent tooth anteromedially. Elytra parallel-sided in the middle, without serial punctures laterally. Mesofemora densely pubescent, except on extreme apex. First abdominal ventrite with median carina on basal one-thirds. Fifth ventrite slightly emarginate and with a row of stout setae apically.
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<emphasis bold="true" italics="true" pageId="0" pageNumber="15">Aedeagus</emphasis>
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(Fig.
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<figureCitation captionStart="Figure 5" captionStartId="F5" captionText="Figure 5. Aedeagus of Coelostoma mixtum Mai & Jia, sp. nov. and Coelostoma vagum Orchymont, 1940. A-C C. mixtum sp. nov. A dorsal view B lateral view C ventral view D-F C. vagum D dorsal view E lateral view F illustration by Orchymont (1940). Scale bar: 0.5 mm (A-E)." figureDoi="10.3897/zookeys.1091.79564.figure5" httpUri="https://binary.pensoft.net/fig/666187" pageId="0" pageNumber="15">5A-C</figureCitation>
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): very large, similar to
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<taxonomicName authorityName="Orchymont" authorityYear="1940" class="Insecta" family="Hydrophilidae" genus="Coelostoma" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Coelostoma vagum" order="Coleoptera" pageId="0" pageNumber="15" phylum="Arthropoda" rank="species" species="vagum">
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<emphasis italics="true" pageId="0" pageNumber="15">Coelostoma vagum</emphasis>
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</taxonomicName>
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Orchymont, 1940, but median lobe narrowly rounded apically, apex without a sharp prominent tooth ventrally; parameres abruptly widened apically, distinctly bent inward.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="15" type="description">
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<paragraph pageId="0" pageNumber="15">Description.</paragraph>
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<paragraph pageId="0" pageNumber="15">
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<emphasis bold="true" italics="true" pageId="0" pageNumber="15">Form and colour</emphasis>
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(Fig.
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<figureCitation captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Coelostoma (Lachnocoelostoma) mixtum Mai & Jia, sp. nov. A dorsal view B ventral view C lateral view. Scale bar: 1.0 mm (A-C)." figureDoi="10.3897/zookeys.1091.79564.figure4" httpUri="https://binary.pensoft.net/fig/666186" pageId="0" pageNumber="15">4A-C</figureCitation>
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). Total length 6.13 mm; maximum width 3.3 mm; body broadly oval, parallel-sided in the middle, moderately convex. Dorsum black and shiny. Labrum, maxillary palpi and labial palpi reddish brown, antennae yellowish to reddish brown with dark club. Ventral surface reddish brown to black. Femora and tibiae dark reddish brown, tarsi pale reddish.
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</paragraph>
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<caption doi="10.3897/zookeys.1091.79564.figure4" httpUri="https://binary.pensoft.net/fig/666186" pageId="0" pageNumber="15" start="Figure 4" startId="F4">
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<paragraph pageId="0" pageNumber="15">
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<emphasis bold="true" pageId="0" pageNumber="15">Figure 4.</emphasis>
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<taxonomicName authorityName="Mai & Jia" authorityYear="2022" class="Insecta" family="Hydrophilidae" genus="Coelostoma" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Coelostoma (Lachnocoelostoma) mixtum" order="Coleoptera" pageId="0" pageNumber="15" phylum="Arthropoda" rank="species" species="mixtum" subGenus="Lachnocoelostoma">Coelostoma (Lachnocoelostoma) mixtum</taxonomicName>
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Mai & Jia, sp. nov.
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<emphasis bold="true" pageId="0" pageNumber="15">A</emphasis>
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dorsal view
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<emphasis bold="true" pageId="0" pageNumber="15">B</emphasis>
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ventral view
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<emphasis bold="true" pageId="0" pageNumber="15">C</emphasis>
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lateral view. Scale bar: 1.0 mm (
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<emphasis bold="true" pageId="0" pageNumber="15">A-C</emphasis>
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).
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</paragraph>
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</caption>
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<paragraph pageId="0" pageNumber="15">
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<emphasis bold="true" pageId="0" pageNumber="15">
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<emphasis italics="true" pageId="0" pageNumber="15">Head</emphasis>
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.
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</emphasis>
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Dorsal surface with dense fine punctures. Interstices between punctures smooth. Clypeus subtruncate anteriorly. Eyes of moderate size, distinctly emarginate anteriorly in lateral view, separated by ca. 4
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<normalizedToken originalValue="×">x</normalizedToken>
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the width of one eye. Mentum strongly emarginated anteriorly and depressed in anterior half, with sparse fine punctures. Antennae with nine antennomeres, antennal club (antennomeres 7-9) densely pubescent. Maxillary palpomere 2 strongly swollen, palpomere 4 truncate apically, slightly longer than palpomere 3. Gula narrow and glabrous.
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</paragraph>
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<caption doi="10.3897/zookeys.1091.79564.figure5" httpUri="https://binary.pensoft.net/fig/666187" pageId="0" pageNumber="15" start="Figure 5" startId="F5">
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<paragraph pageId="0" pageNumber="15">
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<emphasis bold="true" pageId="0" pageNumber="15">Figure 5.</emphasis>
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Aedeagus of
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<taxonomicName authorityName="Mai & Jia" authorityYear="2022" class="Insecta" family="Hydrophilidae" genus="Coelostoma" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Coelostoma mixtum" order="Coleoptera" pageId="0" pageNumber="15" phylum="Arthropoda" rank="species" species="mixtum">
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<emphasis italics="true" pageId="0" pageNumber="15">Coelostoma mixtum</emphasis>
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</taxonomicName>
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Mai & Jia, sp. nov. and
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<taxonomicName authorityName="Orchymont" authorityYear="1940" class="Insecta" family="Hydrophilidae" genus="Coelostoma" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Coelostoma vagum" order="Coleoptera" pageId="0" pageNumber="15" phylum="Arthropoda" rank="species" species="vagum">
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<emphasis italics="true" pageId="0" pageNumber="15">Coelostoma vagum</emphasis>
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</taxonomicName>
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Orchymont, 1940.
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<emphasis bold="true" pageId="0" pageNumber="15">A-C</emphasis>
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<taxonomicName class="Malacostraca" kingdom="Animalia" lsidName="C. mixtum" order="Amphipoda" pageId="0" pageNumber="15" phylum="Arthropoda" rank="species" species="mixtum">
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<emphasis italics="true" pageId="0" pageNumber="15">C. mixtum</emphasis>
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</taxonomicName>
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sp. nov.
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<emphasis bold="true" pageId="0" pageNumber="15">A</emphasis>
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dorsal view
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<emphasis bold="true" pageId="0" pageNumber="15">B</emphasis>
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lateral view
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<emphasis bold="true" pageId="0" pageNumber="15">C</emphasis>
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ventral view
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<emphasis bold="true" pageId="0" pageNumber="15">D-F</emphasis>
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<taxonomicName class="Malacostraca" kingdom="Animalia" lsidName="C. vagum" order="Amphipoda" pageId="0" pageNumber="15" phylum="Arthropoda" rank="species" species="vagum">
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<emphasis italics="true" pageId="0" pageNumber="15">C. vagum</emphasis>
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</taxonomicName>
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<emphasis bold="true" pageId="0" pageNumber="15">D</emphasis>
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dorsal view
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<emphasis bold="true" pageId="0" pageNumber="15">E</emphasis>
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lateral view
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<emphasis bold="true" pageId="0" pageNumber="15">F</emphasis>
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illustration by
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<bibRefCitation author="Orchymont, A d'" journalOrPublisher="Bulletin et Annales de la Societe Entomologique de Belgique" pageId="0" pageNumber="15" pagination="157 - 197" refId="B23" refString="Orchymont, A d', 1940. Contribution a l'etude des Palpicornia XIV. Bulletin et Annales de la Societe Entomologique de Belgique 80: 157 - 197" title="Contribution a l'etude des Palpicornia XIV." volume="80" year="1940">Orchymont (1940)</bibRefCitation>
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. Scale bar: 0.5 mm (
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<emphasis bold="true" pageId="0" pageNumber="15">A-E</emphasis>
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).
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</paragraph>
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</caption>
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<paragraph pageId="0" pageNumber="15">
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<emphasis bold="true" pageId="0" pageNumber="15">
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<emphasis italics="true" pageId="0" pageNumber="15">Thorax</emphasis>
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.
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</emphasis>
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Pronotum widest posteriorly, gradually narrowed anteriad, with punctures as on head, anterolateral angles obtusely rounded, posterolateral angles blunt, anterior and lateral margins with narrow marginal bead. Prosternum with a carina medially and a prominent tooth anteromedially. Scutellum in shape of equilateral triangle, with punctures finer and denser than those on pronotum. Elytra with punctures as on pronotum; elytra without serial punctures; sutural stria reaching anterior half of elytra; lateral margin of elytra with bead but not explanate.
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</paragraph>
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<paragraph pageId="0" pageNumber="15">
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<emphasis bold="true" pageId="0" pageNumber="15">
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<emphasis italics="true" pageId="0" pageNumber="15">Legs</emphasis>
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.
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</emphasis>
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Pro- and mesofemora bearing dense pubescence, except on extreme apex. Metafemora not pubescent, with dense microsculptures and spares fine punctures. Meso- and Metatibia slightly flattened, with strong apical spurs and series of sparse stout spines laterally. Tarsi with long dorsal setae and gold ventral setae; metatarsi with fifth tarsomere almost as long as third and fourth combined. Claws curved, with a pair of long setae beneath.
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</paragraph>
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<paragraph pageId="0" pageNumber="15">
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<emphasis bold="true" pageId="0" pageNumber="15">
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<emphasis italics="true" pageId="0" pageNumber="15">Abdomen</emphasis>
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.
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</emphasis>
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Abdominal ventrites densely pubescent. First ventrite with distinct median carina on basal one-thirds. Fifth ventrite with fine marginal bead and slightly emarginate apically.
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</paragraph>
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<paragraph pageId="0" pageNumber="15">
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<emphasis bold="true" italics="true" pageId="0" pageNumber="15">Male genitalia</emphasis>
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(Fig.
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<figureCitation captionStart="Figure 5" captionStartId="F5" captionText="Figure 5. Aedeagus of Coelostoma mixtum Mai & Jia, sp. nov. and Coelostoma vagum Orchymont, 1940. A-C C. mixtum sp. nov. A dorsal view B lateral view C ventral view D-F C. vagum D dorsal view E lateral view F illustration by Orchymont (1940). Scale bar: 0.5 mm (A-E)." figureDoi="10.3897/zookeys.1091.79564.figure5" httpUri="https://binary.pensoft.net/fig/666187" pageId="0" pageNumber="15">5A-C</figureCitation>
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). Aedeagus very large, 2.3 mm long. Median lobe widest at midlength, ca. 5
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<normalizedToken originalValue="×">x</normalizedToken>
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as long as wide; median lobe gradually narrowing towards apex, with a small finger like apex, narrowly rounded apically; gonopore rounded, situated subapically; parameres much longer than the median lobe, abruptly widened apically, distinctly bent inward.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="15" type="etymology">
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<paragraph pageId="0" pageNumber="15">Etymology.</paragraph>
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<paragraph pageId="0" pageNumber="15">
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This species is derived from the Latin verb
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<emphasis italics="true" pageId="0" pageNumber="15">mixtus</emphasis>
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, mix, refers to the fact that this species is similar to
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<taxonomicName authorityName="Orchymont" authorityYear="1940" class="Insecta" family="Hydrophilidae" genus="Coelostoma" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Coelostoma vagum" order="Coleoptera" pageId="0" pageNumber="15" phylum="Arthropoda" rank="species" species="vagum">
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<emphasis italics="true" pageId="0" pageNumber="15">Coelostoma vagum</emphasis>
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</taxonomicName>
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Orchymont, 1940 in shape of the median lobe and similar to
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<taxonomicName class="Malacostraca" kingdom="Animalia" lsidName="C. wui" order="Amphipoda" pageId="0" pageNumber="15" phylum="Arthropoda" rank="species" species="wui">
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<emphasis italics="true" pageId="0" pageNumber="15">C. wui</emphasis>
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</taxonomicName>
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Orchymont, 1940 in shape of parameres.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="15" type="biology_ecology">
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<paragraph pageId="0" pageNumber="15">Biology.</paragraph>
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<paragraph pageId="0" pageNumber="15">
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Unknown, this species was collected with
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<taxonomicName class="Malacostraca" kingdom="Animalia" lsidName="C. wui" order="Amphipoda" pageId="0" pageNumber="15" phylum="Arthropoda" rank="species" species="wui">
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<emphasis italics="true" pageId="0" pageNumber="15">C. wui</emphasis>
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</taxonomicName>
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Orchymont, 1940 in the same place.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="15" type="remarks">
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<paragraph pageId="0" pageNumber="15">Remarks.</paragraph>
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<paragraph pageId="0" pageNumber="15">
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The holotype of this species was identified as
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<taxonomicName class="Malacostraca" kingdom="Animalia" lsidName="C. vagum" order="Amphipoda" pageId="0" pageNumber="15" phylum="Arthropoda" rank="species" species="vagum">
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<emphasis italics="true" pageId="0" pageNumber="15">C. vagum</emphasis>
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</taxonomicName>
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Orchymont, 1940 in
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<bibRefCitation DOI="https://doi.org/10.11646/zootaxa.4232.1.8" author="Jia, F-L" journalOrPublisher="Zootaxa" pageId="0" pageNumber="15" pagination="113 - 122" refId="B15" refString="Jia, F-L, Lin, R-C, Chan, E, Skale, A, Fikacek, M, 2017. Two new species of Coelostoma Brulle, 1835 from China and additional faunistic records of the genus from the Oriental Region (Coleoptera: Hydrophilidae: Sphaeridiinae: Coelostomatini). Zootaxa 4232 (1): 113 - 122, DOI: https://doi.org/10.11646/zootaxa.4232.1.8" title="Two new species of Coelostoma Brulle, 1835 from China and additional faunistic records of the genus from the Oriental Region (Coleoptera: Hydrophilidae: Sphaeridiinae: Coelostomatini)." url="https://doi.org/10.11646/zootaxa.4232.1.8" volume="4232" year="2017">Jia et al. (2017)</bibRefCitation>
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. However, it is different from
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<taxonomicName class="Malacostraca" kingdom="Animalia" lsidName="C. vagum" order="Amphipoda" pageId="0" pageNumber="15" phylum="Arthropoda" rank="species" species="vagum">
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<emphasis italics="true" pageId="0" pageNumber="15">C. vagum</emphasis>
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</taxonomicName>
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in the form of the aedeagus. Hence, the distribution of
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<taxonomicName class="Malacostraca" kingdom="Animalia" lsidName="C. vagum" order="Amphipoda" pageId="0" pageNumber="15" phylum="Arthropoda" rank="species" species="vagum">
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<emphasis italics="true" pageId="0" pageNumber="15">C. vagum</emphasis>
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</taxonomicName>
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in Fujian needs to be verified. This species is the seventh known species of the
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<taxonomicName authorityName="Orchymont" authorityYear="1940" class="Insecta" family="Hydrophilidae" genus="Coelostoma" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Coelostoma phallicum" order="Coleoptera" pageId="0" pageNumber="15" phylum="Arthropoda" rank="species" species="phallicum">
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<emphasis italics="true" pageId="0" pageNumber="15">Coelostoma phallicum</emphasis>
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</taxonomicName>
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group. This group can be recognized by a large and very elongate aedeagus with an extremely reduced phallobase and large subapical gonopore (
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<bibRefCitation DOI="https://doi.org/10.37520/aemnp.2020.008" author="Liu, H-C" journalOrPublisher="Acta Entomologica Musei Nationalis Pragae" pageId="0" pageNumber="15" pagination="155 - 162" refId="B19" refString="Liu, H-C, Hu, F-S, Fikacek, M, 2020. Review of the genus Coelostoma of Taiwan with description of a new species (Coleoptera: Hydrophilidae). Acta Entomologica Musei Nationalis Pragae 60 (1): 155 - 162, DOI: https://doi.org/10.37520/aemnp.2020.008" title="Review of the genus Coelostoma of Taiwan with description of a new species (Coleoptera: Hydrophilidae)." url="https://doi.org/10.37520/aemnp.2020.008" volume="60" year="2020">Liu et al. 2020</bibRefCitation>
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). This species is most similar to
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<taxonomicName class="Malacostraca" kingdom="Animalia" lsidName="C. vagum" order="Amphipoda" pageId="0" pageNumber="15" phylum="Arthropoda" rank="species" species="vagum">
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<emphasis italics="true" pageId="0" pageNumber="15">C. vagum</emphasis>
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</taxonomicName>
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Orchymont, 1940 (Fig.
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<figureCitation captionStart="Figure 5" captionStartId="F5" captionText="Figure 5. Aedeagus of Coelostoma mixtum Mai & Jia, sp. nov. and Coelostoma vagum Orchymont, 1940. A-C C. mixtum sp. nov. A dorsal view B lateral view C ventral view D-F C. vagum D dorsal view E lateral view F illustration by Orchymont (1940). Scale bar: 0.5 mm (A-E)." figureDoi="10.3897/zookeys.1091.79564.figure5" httpUri="https://binary.pensoft.net/fig/666187" pageId="0" pageNumber="15">5D-F</figureCitation>
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) and
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<taxonomicName class="Malacostraca" kingdom="Animalia" lsidName="C. bipunctatum" order="Amphipoda" pageId="0" pageNumber="15" phylum="Arthropoda" rank="species" species="bipunctatum">
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<emphasis italics="true" pageId="0" pageNumber="15">C. bipunctatum</emphasis>
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</taxonomicName>
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Jayaswal, 1972 in shape of the median lobe but can be distinguished from them by the narrowly rounded apex of median lobe (apex pointed in
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<taxonomicName class="Malacostraca" kingdom="Animalia" lsidName="C. vagum" order="Amphipoda" pageId="0" pageNumber="15" phylum="Arthropoda" rank="species" species="vagum">
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<emphasis italics="true" pageId="0" pageNumber="15">C. vagum</emphasis>
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</taxonomicName>
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and
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<taxonomicName class="Malacostraca" kingdom="Animalia" lsidName="C. bipunctatum" order="Amphipoda" pageId="0" pageNumber="15" phylum="Arthropoda" rank="species" species="bipunctatum">
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<emphasis italics="true" pageId="0" pageNumber="15">C. bipunctatum</emphasis>
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</taxonomicName>
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), median lobe widest in the middle (median lobe nearly parallel-sided in the middle in
|
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<taxonomicName class="Malacostraca" kingdom="Animalia" lsidName="C. vagum" order="Amphipoda" pageId="0" pageNumber="15" phylum="Arthropoda" rank="species" species="vagum">
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||
<emphasis italics="true" pageId="0" pageNumber="15">C. vagum</emphasis>
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||
</taxonomicName>
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and
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||
<taxonomicName class="Malacostraca" kingdom="Animalia" lsidName="C. bipunctatum" order="Amphipoda" pageId="0" pageNumber="15" phylum="Arthropoda" rank="species" species="bipunctatum">
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||
<emphasis italics="true" pageId="0" pageNumber="15">C. bipunctatum</emphasis>
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||
</taxonomicName>
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). It also can be distinguished from
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<taxonomicName class="Malacostraca" kingdom="Animalia" lsidName="C. vagum" order="Amphipoda" pageId="0" pageNumber="15" phylum="Arthropoda" rank="species" species="vagum">
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||
<emphasis italics="true" pageId="0" pageNumber="15">C. vagum</emphasis>
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||
</taxonomicName>
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||
by apex of median lobe without a sharp prominent tooth ventrally (Fig.
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||
<figureCitation captionStart="Figure 5" captionStartId="F5" captionText="Figure 5. Aedeagus of Coelostoma mixtum Mai & Jia, sp. nov. and Coelostoma vagum Orchymont, 1940. A-C C. mixtum sp. nov. A dorsal view B lateral view C ventral view D-F C. vagum D dorsal view E lateral view F illustration by Orchymont (1940). Scale bar: 0.5 mm (A-E)." figureDoi="10.3897/zookeys.1091.79564.figure5" httpUri="https://binary.pensoft.net/fig/666187" pageId="0" pageNumber="15">5B</figureCitation>
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) (apex with a sharp prominent hook-shaped tooth ventrally in
|
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<taxonomicName class="Malacostraca" kingdom="Animalia" lsidName="C. vagum" order="Amphipoda" pageId="0" pageNumber="15" phylum="Arthropoda" rank="species" species="vagum">
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||
<emphasis italics="true" pageId="0" pageNumber="15">C. vagum</emphasis>
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||
</taxonomicName>
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(Fig.
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<figureCitation captionStart="Figure 5" captionStartId="F5" captionText="Figure 5. Aedeagus of Coelostoma mixtum Mai & Jia, sp. nov. and Coelostoma vagum Orchymont, 1940. A-C C. mixtum sp. nov. A dorsal view B lateral view C ventral view D-F C. vagum D dorsal view E lateral view F illustration by Orchymont (1940). Scale bar: 0.5 mm (A-E)." figureDoi="10.3897/zookeys.1091.79564.figure5" httpUri="https://binary.pensoft.net/fig/666187" pageId="0" pageNumber="15">5E</figureCitation>
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))
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</paragraph>
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||
</subSubSection>
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<subSubSection pageId="0" pageNumber="15" type="distribution">
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<paragraph pageId="0" pageNumber="15">Distribution.</paragraph>
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<paragraph pageId="0" pageNumber="15">Only known from type locality. China (Fujian).</paragraph>
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</subSubSection>
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</treatment>
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</document> |