132 lines
10 KiB
XML
132 lines
10 KiB
XML
<document ID-DOI="http://dx.doi.org/10.3897/zookeys.738.21711" ID-GBIF-Dataset="924f9fea-13f8-4940-ae69-bbcb3dcb5321" ID-PMC="PMC5904443" ID-Pensoft-Pub="1313-2970-738-59" ID-PubMed="29670421" ID-ZBK="943CB4720D3A499A8D8C5970E042D227" ModsDocAuthor="" ModsDocDate="2018" ModsDocID="1313-2970-738-59" ModsDocOrigin="ZooKeys 738" ModsDocTitle="A faunistic study of genus Chasmogenus Sharp, 1882 of China (Coleoptera, Hydrophilidae)" checkinTime="1519083456280" checkinUser="pensoft" docAuthor="Jia, Fenglong & Tang, Yu-dan" docDate="2018" docId="53BF7D215D26FA02D8E6CE5A3D125331" docLanguage="en" docName="ZooKeys 738: 59-66" docOrigin="ZooKeys 738" docSource="http://dx.doi.org/10.3897/zookeys.738.21711" docTitle="Chasmogenus parorbus Jia & Tang, 2018, sp. n." docType="treatment" docUuid="3496519B-82B5-42E1-B6B6-C5A4A069A99F" docUuidSource="ZooBank" docVersion="5" lastPageNumber="61" masterDocId="FFCEFFBC6745FF89FFA66164FFDC4A69" masterDocTitle="A faunistic study of genus Chasmogenus Sharp, 1882 of China (Coleoptera, Hydrophilidae)" masterLastPageNumber="66" masterPageNumber="59" pageNumber="61" updateTime="1668165456661" updateUser="ExternalLinkService">
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<mods:mods xmlns:mods="http://www.loc.gov/mods/v3">
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<mods:titleInfo>
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<mods:title>A faunistic study of genus Chasmogenus Sharp, 1882 of China (Coleoptera, Hydrophilidae)</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>Jia, Fenglong</mods:namePart>
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</mods:name>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Tang, Yu-dan</mods:namePart>
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</mods:name>
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<mods:typeOfResource>text</mods:typeOfResource>
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<mods:relatedItem type="host">
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<mods:titleInfo>
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<mods:title>ZooKeys</mods:title>
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</mods:titleInfo>
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<mods:part>
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<mods:date>2018</mods:date>
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<mods:detail type="volume">
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<mods:number>738</mods:number>
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</mods:detail>
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<mods:extent unit="page">
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<mods:start>59</mods:start>
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<mods:end>66</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.738.21711</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.738.21711</mods:identifier>
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<mods:identifier type="Pensoft-Pub">1313-2970-738-59</mods:identifier>
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<mods:identifier type="ZBK">943CB4720D3A499A8D8C5970E042D227</mods:identifier>
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<mods:identifier type="ZooBank">943CB4720D3A499A8D8C5970E042D227</mods:identifier>
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</mods:mods>
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<treatment ID-GBIF-Taxon="141117725" LSID="urn:lsid:zoobank.org:act:3496519B-82B5-42E1-B6B6-C5A4A069A99F" httpUri="http://treatment.plazi.org/id/53BF7D215D26FA02D8E6CE5A3D125331" lastPageNumber="61" pageId="2" pageNumber="61">
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<subSubSection pageId="2" pageNumber="61" type="nomenclature">
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<paragraph pageId="2" pageNumber="61">
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<taxonomicName LSID="http://zoobank.org/3496519B-82B5-42E1-B6B6-C5A4A069A99F" class="Insecta" family="Hydrophilidae" genus="Chasmogenus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Chasmogenus parorbus" order="Coleoptera" pageId="2" pageNumber="61" phylum="Arthropoda" rank="species" species="parorbus">Chasmogenus parorbus</taxonomicName>
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<taxonomicNameLabel pageId="2" pageNumber="61">sp. n.</taxonomicNameLabel>
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Figs 1-7, 8
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</paragraph>
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</subSubSection>
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<subSubSection pageId="2" pageNumber="61" type="type material">
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<paragraph pageId="2" pageNumber="61">Type material.</paragraph>
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<paragraph pageId="2" pageNumber="61">
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Holotype: CHINA. Yunnan: male (SYSU), CHINA: Yunnan Prov., Yingjiang, Tongbiguan, Kaibangyahu,
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<geoCoordinate direction="north" orientation="latitude" precision="555" value="24.58">24.58°N</geoCoordinate>
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,
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<geoCoordinate direction="east" orientation="longitude" precision="555" value="97.67">97.67°E</geoCoordinate>
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, 1289m, 25.V.2016, Yu-dan Tang & Rui-juan Zhang leg. [transcribed from Chinese]. Paratypes (3 males, SYSU): 2 males, same data as holotype; 1 male., Yunnan, Yingjiang, Nabang,
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<geoCoordinate direction="north" orientation="latitude" precision="555" value="24.75">24.75°N</geoCoordinate>
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,
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<geoCoordinate direction="east" orientation="longitude" precision="555" value="97.56">97.56°E</geoCoordinate>
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, 239m, 27.V.2016, Yu-dan Tang & Rui-juan Zhang leg. [transcribed from Chinese].
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</paragraph>
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</subSubSection>
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<subSubSection pageId="2" pageNumber="61" type="diagnosis">
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<paragraph pageId="2" pageNumber="61">Diagnosis.</paragraph>
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<paragraph pageId="2" pageNumber="61">Body oblong (Fig. 1). Black, pronotum and elytra with paler margins. Head, pronotum and elytra with distinct systematic punctures. Ground punctures of pronotum and elytra finer laterally and posteriorly than on disc (Figs 1, 3). Mesoventrite with a longitudinal and moderate high ridge posteromedialy (Fig. 5). Hind femora pubescent on basal four-fifths. Parameres shorter than median lobe, inner margin with a subapical tooth, apex obtuse rounded. Median lobe broad, gradually narrowing from apical fourth to apex, moderately curved on apical fifth and strongly curved subapically, apex truncate (Fig. 8).</paragraph>
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<caption pageId="2" pageNumber="61">
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<paragraph pageId="2" pageNumber="61">
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Figures 1-7.
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<taxonomicName class="Insecta" family="Hydrophilidae" genus="Chasmogenus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Chasmogenus parorbus" order="Coleoptera" pageId="2" pageNumber="61" phylum="Arthropoda" rank="species" species="parorbus">Chasmogenus parorbus</taxonomicName>
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sp. n. 1 dorsal habitus 2 ventral habitus 3 lateral habitus 4 head and prosternite, ventral 5 meso-, and metaventrite, ventral 6-7 Head, dorsal.
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</paragraph>
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</caption>
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<caption pageId="2" pageNumber="61">
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<paragraph pageId="2" pageNumber="61">
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Figures 8-10. Aedeagi (dorsal view): 8
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<taxonomicName class="Insecta" family="Hydrophilidae" genus="Chasmogenus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Chasmogenus parorbus" order="Coleoptera" pageId="2" pageNumber="61" phylum="Arthropoda" rank="species" species="parorbus">Chasmogenus parorbus</taxonomicName>
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sp. n. 9
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<taxonomicName lsidName="C. orbus" pageId="2" pageNumber="61" rank="species" species="orbus">C. orbus</taxonomicName>
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Wlatanabe 10
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<taxonomicName lsidName="C. abnormalis" pageId="2" pageNumber="61" rank="species" species="abnormalis">C. abnormalis</taxonomicName>
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Sharp.
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</paragraph>
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</caption>
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</subSubSection>
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<subSubSection pageId="2" pageNumber="61" type="description">
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<paragraph pageId="2" pageNumber="61">Description.</paragraph>
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<paragraph pageId="2" pageNumber="61">Length 3.4-3.7 mm, width 1.7-2.0 mm. Body oblong, moderately convex. Dorsum of head, pronotum and elytra black with paler margins. Maxillary and labial palpi, and antennae uniformly yellowish brown (Figs 1-4). Ventral surface and legs reddish brown or dark brown.</paragraph>
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<paragraph pageId="2" pageNumber="61">
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Head. Labrum sparsely and finely punctate, with slightly emarginate anterior margin and round arcuation on posterior margin. Clypeus emarginate anteriorly (Figs 6-7), systematic punctures distinct, ground punctures fine and sparse, with distance between punctures 1.5-3.0
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<normalizedToken originalValue="×">x</normalizedToken>
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the width of one puncture. Frons with distinct systematic punctures, ground punctures as fine as those on clypeus but a little denser. Mentum transverse, ca. 2
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<normalizedToken originalValue="×">x</normalizedToken>
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as wide as long, rugose, with distinct oblique sculptures and a few strong punctures, strongly depressed anteriorly, anterocentral notch developed (Fig. 4). Maxillary palpi obviously longer than width of head. Antenna with nine antennomeres, pedicel as long as antennomeres 3 to 6 combined.
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</paragraph>
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<paragraph pageId="2" pageNumber="61">
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Thorax. Pronotum with distinct systematic punctures, ground punctures on disc as fine as those on frons, with distance between punctures 1.5-3.0
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<normalizedToken originalValue="×">x</normalizedToken>
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the width of one puncture; lateral portions with finer punctures. Prosternite slightly bulged in middle, not carinate, with sparse pubescence, with transverse groove anteriorly (Fig. 4). Elytra with fine punctures similar to those of pronotum, systematic punctures distinct; with distinct sutural stria on posterior three-quarters. Mesoventrite with a longitudinal carina posteromedially, completely fused with mesanepisterna. Metaventrite pubescent with an irregular glabrous area (Figs 2, 5). Meso- and metafemoral pubescence on basal four-fifths.
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</paragraph>
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<paragraph pageId="2" pageNumber="61">Abdomen. Abdominal ventrites densely pubescent. Apical margin of fifth ventrite with shallow emargination (Fig. 2).</paragraph>
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<paragraph pageId="2" pageNumber="61">Aedeagus. Parameres shorter than median lobe, inner margin with a tooth subapically, apex obtuse rounded. Median lobe broad, gradually narrowing from apical quarter to apex, moderately depressed on apical fifth and strongly curved subapically, apex truncate (Fig. 8).</paragraph>
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</subSubSection>
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<subSubSection pageId="2" pageNumber="61" type="remarks">
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<paragraph pageId="2" pageNumber="61">Remarks.</paragraph>
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<paragraph pageId="2" pageNumber="61">
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This species is close to
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<taxonomicName lsidName="C. orbus" pageId="2" pageNumber="61" rank="species" species="orbus">C. orbus</taxonomicName>
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Watanabe, 1987. It can be distinguished from
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<taxonomicName lsidName="C. orbus" pageId="2" pageNumber="61" rank="species" species="orbus">C. orbus</taxonomicName>
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by parameres obtuse apically, subapical tooth sharper; median lobe slender, slightly but distinctly constricted in apical quarter (Fig. 8).
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</paragraph>
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</subSubSection>
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<subSubSection pageId="2" pageNumber="61" type="etymology">
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<paragraph pageId="2" pageNumber="61">Etymology.</paragraph>
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<paragraph pageId="2" pageNumber="61">
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The species name is combined from Latin
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<normalizedToken originalValue="“para-“">"para-"</normalizedToken>
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, similar, and orbus, a species name of the genus.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="2" pageNumber="61" type="biology_ecology">
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<paragraph pageId="2" pageNumber="61">Biology.</paragraph>
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<paragraph pageId="2" pageNumber="61">Aquatic, living in stagnant pools.</paragraph>
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</subSubSection>
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<subSubSection pageId="2" pageNumber="61" type="distribution">
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<paragraph pageId="2" pageNumber="61">Distribution.</paragraph>
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<paragraph pageId="2" pageNumber="61">Only known from type locality.</paragraph>
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</subSubSection>
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</treatment>
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</document> |