132 lines
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132 lines
13 KiB
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<document ID-DOI="http://dx.doi.org/10.3897/zookeys.488.8919" ID-GBIF-Dataset="86424888-6c93-46ef-a1a9-2e9d5943e38d" ID-PMC="PMC4389126" ID-Pensoft-Pub="1313-2970-488-91" ID-PubMed="25878525" ID-ZBK="C9DBF1A93FE14F75AAB662460E83C2E0" ModsDocAuthor="" ModsDocDate="2015" ModsDocID="1313-2970-488-91" ModsDocOrigin="ZooKeys 488" ModsDocTitle="Two new species of the genus Diostracus Loew from Tibet, with a key to the Himalayan fauna (Diptera, Dolichopodidae)" checkinTime="1451244556996" checkinUser="pensoft" docAuthor="Wang, Ning, Wang, Baohai & Yang, Ding" docDate="2015" docId="70A79963E5CEEE6941D0187A2888AEEC" docLanguage="en" docName="ZooKeys 488: 91-104" docOrigin="ZooKeys 488" docSource="http://dx.doi.org/10.3897/zookeys.488.8919" docTitle="Diostracus tibetensis Wang, Wang & Yang, 2015, sp. n." docType="treatment" docUuid="227A5CD2-DAE4-48A8-88FF-036F31E41D3F" docUuidSource="ZooBank" docVersion="4" lastPageNumber="100" masterDocId="FFF0FF87BE63FFB0FFE83C48FFE4FE49" masterDocTitle="Two new species of the genus Diostracus Loew from Tibet, with a key to the Himalayan fauna (Diptera, Dolichopodidae)" masterLastPageNumber="104" masterPageNumber="91" pageNumber="96" updateTime="1668160118540" 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 Diostracus Loew from Tibet, with a key to the Himalayan fauna (Diptera, Dolichopodidae)</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>Wang, Ning</mods:namePart>
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</mods:name>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Wang, Baohai</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>Yang, Ding</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>2015</mods:date>
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<mods:detail type="volume">
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<mods:number>488</mods:number>
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</mods:detail>
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<mods:extent unit="page">
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<mods:start>91</mods:start>
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<mods:end>104</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.488.8919</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.488.8919</mods:identifier>
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<mods:identifier type="Pensoft-Pub">1313-2970-488-91</mods:identifier>
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<mods:identifier type="ZBK">C9DBF1A93FE14F75AAB662460E83C2E0</mods:identifier>
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<mods:identifier type="ZooBank">C9DBF1A93FE14F75AAB662460E83C2E0</mods:identifier>
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</mods:mods>
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<treatment ID-GBIF-Taxon="152058803" LSID="urn:lsid:zoobank.org:act:227A5CD2-DAE4-48A8-88FF-036F31E41D3F" httpUri="http://treatment.plazi.org/id/70A79963E5CEEE6941D0187A2888AEEC" lastPageId="9" lastPageNumber="100" pageId="5" pageNumber="96">
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<subSubSection pageId="5" pageNumber="96" type="multiple">
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<paragraph pageId="5" pageNumber="96">Taxon classification Animalia Diptera Dolichopodidae</paragraph>
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</subSubSection>
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<subSubSection pageId="5" pageNumber="96" type="nomenclature">
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<paragraph pageId="5" pageNumber="96">
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<taxonomicName LSID="http://zoobank.org/227A5CD2-DAE4-48A8-88FF-036F31E41D3F" class="Insecta" family="Dolichopodidae" genus="Diostracus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Diostracus tibetensis" order="Diptera" pageId="5" pageNumber="96" phylum="Arthropoda" rank="species" species="tibetensis">Diostracus tibetensis</taxonomicName>
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<taxonomicNameLabel pageId="5" pageNumber="96">sp. n.</taxonomicNameLabel>
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Figs 7-8, 9-10
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</paragraph>
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</subSubSection>
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<subSubSection pageId="6" pageNumber="97" type="diagnosis">
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<paragraph pageId="6" pageNumber="97">
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<pageBreakToken pageId="6" pageNumber="97" start="start">Diagnosis</pageBreakToken>
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.
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</paragraph>
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<paragraph pageId="6" pageNumber="97">vt rather short and weak, 0.4 times as long as oc. First flagellomere somewhat quadrate, 1.3 times longer than wide; arista subapical (Fig. 9). Wing (Fig. 8) hyaline; crossvein m-cu medially distinctly bent with small round black nodule located at middle of crossvein. Fore coxa with bundle of short dense black anterior hairs bristle-like at extreme tip. Mid and hind femora with very long pale ventral hairs (longest ones about 3 times as long as femur thickness). Abdominal tergites 4-5 with lateral portion slightly extended downwards, only tergite 4 with very long lateral hairs.</paragraph>
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<caption pageId="6" pageNumber="97">
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<paragraph pageId="6" pageNumber="97">
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Figures 7-8.
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<taxonomicName class="Insecta" family="Dolichopodidae" genus="Diostracus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Diostracus tibetensis" order="Diptera" pageId="6" pageNumber="97" phylum="Arthropoda" rank="species" species="tibetensis">Diostracus tibetensis</taxonomicName>
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sp. n. (male). 7 adult, lateral view 8 wing. Scale bar = 1 mm.
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</paragraph>
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</caption>
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<caption pageId="6" pageNumber="97">
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<paragraph pageId="6" pageNumber="97">
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Figures 9-10.
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<taxonomicName class="Insecta" family="Dolichopodidae" genus="Diostracus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Diostracus tibetensis" order="Diptera" pageId="6" pageNumber="97" phylum="Arthropoda" rank="species" species="tibetensis">Diostracus tibetensis</taxonomicName>
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sp. n. (male). 9 antenna, lateral view 10 genitalia, lateral view. Scale bar = 0.2 mm.
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</paragraph>
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</caption>
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</subSubSection>
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<subSubSection lastPageId="9" lastPageNumber="100" pageId="6" pageNumber="97" type="description">
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<paragraph pageId="6" pageNumber="97">Description.</paragraph>
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<paragraph pageId="6" pageNumber="97">Male. Body length 6.4 mm; wing length 7.6 mm.</paragraph>
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<paragraph pageId="6" pageNumber="97">Head metallic green with pale gray pollen. Eyes widely separated; face widened towards clypeus. Hairs and bristles on head black; lower postocular bristles including posteroventral hairs pale, mostly very long. Ocellar tubercle distinct, with pair of strong oc, without posterior hairs; vt rather short and weak, 0.4 times as long as oc, 0.7 times as long as pvt. Antenna (Fig. 9) black; scape without any dorsal hairs; first flagellomere short, somewhat quadrate, 1.3 times longer than wide; arista subapical, 3.9 times as long as first flagellomere, nearly bare. Proboscis blackish with pale hairs; palpus lobate, smoky black with black hairs.</paragraph>
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<paragraph lastPageId="9" lastPageNumber="100" pageId="7" pageNumber="98">
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<pageBreakToken pageId="7" pageNumber="98" start="start">Thorax</pageBreakToken>
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metallic green with pale gray pollen; mesoscutum with two pairs of dark brown longitudinal spots (middle pair strip-like). Hairs and bristles on thorax black; 6 slightly long dc, posteriormost dc longest; acr bristles absent; 1 h and 1 short bristle, 1 ph, 2 npl, 1 sa, 1 psa; scutellum with pair of long sc and 4 very short marginal hairs
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<pageBreakToken pageId="8" pageNumber="99" start="start">(</pageBreakToken>
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2 hairs between 2 sc). Propleuron with short pale hairs on upper portion and mostly long pale hairs on lower portion. Legs entirely black; claws well developed, empodium and pulvilli distinct. Hairs and bristles on legs black except those on coxae pale; fore coxa with bundle of short dense black anterior hairs bristle-like at extreme tip; hind coxa apically with 4 long blackish anterior hairs bristle-like. Mid and hind femora with some pale ventral hairs. Fore femur with two rows of black ventral bristles (longest ones slightly shorter than femur thickness), and with 3 long posterior bristles at extreme base. Mid femur basally with nearly two close rows of long pale ventral hairs (longest ones about 3 times as long as femur thickness), subbasally with 4 black short thick av. Hind femur with about two close rows of long pale ventral hairs (longest ones about 3 times as long as femur thickness) and with 5 black short thick av. Fore tibia
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<pageBreakToken pageId="9" pageNumber="100" start="start">with</pageBreakToken>
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4 ad and 4 pv on apical half; apically with 3 bristles. Mid tibia with 3 ad and 2 pd; apically with 3 bristles. Hind tibia with 4 ad, 5 pd, 3 av and 6 pv; apically with 3 bristles. Fore tarsomere 1 with row of short dense erect av spines and one row of dense thin pv (longer than av). Relative lengths of tibia and five tarsomeres: LI 3.3: 1.6: 1.6: 0.8: 0.55: 0.7; LII 5.8: 2.9: 1.1: 0.75: 0.5: 0.75; LIII 7.1: 3.2: 1.9: 1.2: 0.6: 0.8. Wing (Fig. 8) hyaline; veins dark brown, R4+5 and M convergent apically; crossvein m-cu medially distinctly bent with small round black nodule located at middle of crossvein. Squama brown with pale hairs. Halter brown to dark brown.
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</paragraph>
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<paragraph pageId="9" pageNumber="100">Abdomen rather short, nearly as long as head and thorax combined, metallic green with pale gray pollen. Abdomen with pale pubescence except dorsum with some black hairs at middle. Tergites 4 distinctly and tergite 5 weakly with lateral portion extended downward; lateral portion of tergite 4 with very long hairs apically bent, slightly shorter than those on sternite 3, but lateral portion of tergite 5 only with short hairs.</paragraph>
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<paragraph pageId="9" pageNumber="100">Male genitalia (Fig. 10): Epandrium relatively short, slightly longer than wide. Epandrial lobe weak, with 2 long bristles. Surstylus enlarged, with three acute denticles at apical margin. Hypandrium narrowed, bent; apically with a shallow, V-shaped apical incision and lateral lobe curled; basally with a hook-like process. Cercus straight, long finger-like, with long yellow hairs.</paragraph>
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<paragraph pageId="9" pageNumber="100">Female. Unknown.</paragraph>
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</subSubSection>
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<subSubSection pageId="9" pageNumber="100" type="type material">
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<paragraph pageId="9" pageNumber="100">Type material.</paragraph>
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<paragraph pageId="9" pageNumber="100">
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Holotype: male, China: Tibet, Nyingchi (
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<geoCoordinate direction="north" orientation="latitude" precision="15" value="29.638332">N29°38'18"</geoCoordinate>
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,
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<geoCoordinate direction="east" orientation="longitude" precision="15" value="94.36278">E94°21'46"</geoCoordinate>
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), Sejilashan Mountain, Zhongshan Station, 4200 m, 20.VI.-10.VII. 2014, Malaise trap, leg. Baohai Wang and Zhaohui Pan (CAU).
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</paragraph>
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</subSubSection>
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<subSubSection pageId="9" pageNumber="100" type="distribution">
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<paragraph pageId="9" pageNumber="100">Distribution.</paragraph>
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<paragraph pageId="9" pageNumber="100">China (Tibet).</paragraph>
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</subSubSection>
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<subSubSection pageId="9" pageNumber="100" type="remarks">
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<paragraph pageId="9" pageNumber="100">Remarks.</paragraph>
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<paragraph pageId="9" pageNumber="100">
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The new species belongs to the
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<taxonomicName lsidName="unipunctatus" pageId="9" pageNumber="100" rank="species" species="unipunctatus">unipunctatus</taxonomicName>
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-group. It is somewhat similar to
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<taxonomicName class="Insecta" family="Dolichopodidae" genus="Diostracus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Diostracus parvipunctatus" order="Diptera" pageId="9" pageNumber="100" phylum="Arthropoda" rank="species" species="parvipunctatus">Diostracus parvipunctatus</taxonomicName>
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Saigusa from Nepal in the shape of the first flagellomere and fore and mid femora with long ventral hairs, but may be separated from the latter in the following points: vt is shorter and weaker than pvt; the first flagellomere is shorter, 1.3 times longer than wide, and the abdominal tergite 5 has the short lateral hairs. In
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<taxonomicName class="Insecta" family="Dolichopodidae" genus="Diostracus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Diostracus parvipunctatus" order="Diptera" pageId="9" pageNumber="100" phylum="Arthropoda" rank="species" species="parvipunctatus">Diostracus parvipunctatus</taxonomicName>
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, vt is as strong as pvt or stronger; the first flagellomere is 1.5 times longer than wide (
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<bibRefCitation author="Saigusa, T" journalOrPublisher="Bulletin of Kitakyushu Museum of Natural History" pageId="10" pageNumber="101" pagination="1 - 74" title="The genus Diostracus from Nepal (Diptera, Dolichopodidae)." volume="5" year="1984">Saigusa 1984</bibRefCitation>
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, fig. 35), and the abdominal tergites 4-5 has the long yellow lateral hairs (
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<bibRefCitation author="Saigusa, T" journalOrPublisher="Bulletin of Kitakyushu Museum of Natural History" pageId="10" pageNumber="101" pagination="1 - 74" title="The genus Diostracus from Nepal (Diptera, Dolichopodidae)." volume="5" year="1984">Saigusa 1984</bibRefCitation>
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).
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</paragraph>
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</subSubSection>
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<subSubSection pageId="9" pageNumber="100" type="etymology">
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<paragraph pageId="9" pageNumber="100">Etymology.</paragraph>
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<paragraph pageId="9" pageNumber="100">The specific name refers to the type locality Tibet.</paragraph>
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</subSubSection>
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</treatment>
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</document> |