126 lines
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126 lines
13 KiB
XML
<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="C5F9896B218F15CD00CE4688DB1E4316" docLanguage="en" docName="ZooKeys 488: 91-104" docOrigin="ZooKeys 488" docSource="http://dx.doi.org/10.3897/zookeys.488.8919" docTitle="Diostracus acutatus Wang, Wang & Yang, 2015, sp. n." docType="treatment" docUuid="A99B56FA-C496-4F1B-B60A-192FF11E0622" docUuidSource="ZooBank" docVersion="4" lastPageNumber="96" 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="152058802" LSID="urn:lsid:zoobank.org:act:A99B56FA-C496-4F1B-B60A-192FF11E0622" httpUri="http://treatment.plazi.org/id/C5F9896B218F15CD00CE4688DB1E4316" lastPageNumber="96" 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/A99B56FA-C496-4F1B-B60A-192FF11E0622" class="Insecta" family="Dolichopodidae" genus="Diostracus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Diostracus acutatus" order="Diptera" pageId="5" pageNumber="96" phylum="Arthropoda" rank="species" species="acutatus">Diostracus acutatus</taxonomicName>
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<taxonomicNameLabel pageId="5" pageNumber="96">sp. n.</taxonomicNameLabel>
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Figs 1-3, 4-6
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</paragraph>
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</subSubSection>
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<subSubSection pageId="5" pageNumber="96" type="diagnosis">
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<paragraph pageId="5" pageNumber="96">Diagnosis.</paragraph>
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<paragraph pageId="5" pageNumber="96">vt rather short, 0.5 times as long as oc. First flagellomere somewhat triangular, 1.5 times longer than wide; arista apical (Fig. 4). Fore tarsomere 1 distinctly shortened, thickened, concave ventrally, and with a nearly acute apicoventral process; tarsomere 2 basally bent, concave ventrally, and with a short finger-like ventral process near extreme base (Figs 2, 5). Crossvein m-cu much elongated, strongly bent (Fig. 3).</paragraph>
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<caption pageId="5" pageNumber="96">
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<paragraph pageId="5" pageNumber="96">
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Figures 1-3.
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<taxonomicName class="Insecta" family="Dolichopodidae" genus="Diostracus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Diostracus acutatus" order="Diptera" pageId="5" pageNumber="96" phylum="Arthropoda" rank="species" species="acutatus">Diostracus acutatus</taxonomicName>
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sp. n. (male). 1 adult, lateral view 2 fore leg, posterior view 3 wing. Scale bar = 1 mm.
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</paragraph>
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</caption>
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<caption pageId="5" pageNumber="96">
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<paragraph pageId="5" pageNumber="96">
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Figures 4-6.
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<taxonomicName class="Insecta" family="Dolichopodidae" genus="Diostracus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Diostracus acutatus" order="Diptera" pageId="5" pageNumber="96" phylum="Arthropoda" rank="species" species="acutatus">Diostracus acutatus</taxonomicName>
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sp. n. (male). 4 antenna, lateral view 5 fore tarsomeres 1-2, posterior view 6 genitalia, lateral view. Abbreviations: cer = cercus; epn = epandrium; hyp = hypandrium; sur = surstylus; ph = phallus. 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 pageId="5" pageNumber="96" type="description">
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<paragraph pageId="5" pageNumber="96">Description.</paragraph>
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<paragraph pageId="5" pageNumber="96">Male. Body length 8.0 mm; wing length 8.5 mm.</paragraph>
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<paragraph pageId="5" pageNumber="96">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 long strong oc, without posterior hairs; vt rather short, 0.5 times as long as oc, nearly as long as pvt. Antenna (Fig. 4) black; scape without any dorsal hairs; first flagellomere subtriangular, 1.5 times longer than wide; arista apical, 4 times as long as first flagellomere, nearly bare. Proboscis blackish with pale hairs; palpus lobate, 3.5 times as long as broad, produced far beyond apex of proboscis, blackish with a purple luster, and with black hairs.</paragraph>
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<paragraph pageId="5" pageNumber="96">Thorax 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 mostly hair-like dc except posteriormost 1 dc longest and thick; acr absent; 1 h and 1 very short hair, 1 ph, 2 npl, 1 sa, 1 psa; scutellum with pair of long sc. Propleuron with short pale hairs on upper portion and long pale hairs on lower portion. Legs nearly entirely black except fore trochanter dark yellow; claws well developed, empodium and pulvilli reduced. Fore trochanter elongated, with hook-like posterior process (Fig. 2). Fore femur distinctly thickened (Fig. 2). Mid femur slightly bent, somewhat flattened dorsoventrally. Fore tibia slightly thickened, weakly curved (Fig. 2). Fore tarsomere 1 distinctly shortened, thickened, concave ventrally, and with a nearly acute apicoventral process; tarsomere 2 basally bent, concave ventrally, and with a short finger-like ventral process near extreme base (Figs 2, 5). Hairs and bristles on legs black except those on coxae pale; fore coxa with group of long pale anterior hairs at base; hind coxa apically with 2 brownish anterior bristles. All femora somewhat bare ventrally, with only very short, sparse pale ventral hairs, except fore femur with 3 distinct pale av hairs basally. Mid femur with 3 anterior bristles on apical 1/3. Fore tibia with 4-5 ad and 1 posterior bristle at apical 1/3. Mid tibia with 3 pd, and with very long posterior hairs on apical 1/5 somewhat curved; apically with 1 short spine-like av. Hind tibia with 5 ad and 4 pd; apically with 1 ad. Relative lengths of tibia and five tarsomeres: LI 3.7: 0.7: 2.2: 1.35: 0.7: 0.75; LII 7.1: 3.7: 1.4: 0.9: 0.45: 0.65; LIII 7.6: 3.6: 2.1: 1.1: 0.5: 0.7. Wing (Fig. 3) hyaline, indistinctly tinged grayish; veins dark brown, R4+5 and M convergent apically; crossvein m-cu much elongated, strongly bent, margined with black on long anterior portion, and with blackish spot at short posterior portion. Squama brown with pale hairs. Halter brown.</paragraph>
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<paragraph pageId="5" pageNumber="96">Abdomen distinctly longer than head and thorax combined, metallic green with pale gray pollen. Abdomen with pale pubescence. Tergite 5 with lateral portion slightly extended downward. Sternite 1 with a nearly acute process at middle; sternite 4 medially with an obtuse anterior process and 2 short thin, contiguous posterior processes bearing bundle of brown hairs. Hypandrium not distinctly swollen.</paragraph>
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<paragraph pageId="5" pageNumber="96">Male genitalia (Fig. 6): Epandrium slightly longer than wide. Epandrial lobe short thick, finger-like, weakly bent, with an acute basal process; 1 slightly long bristle present at middle and 1 short thick bristle at tip. Surstylus short thick, apically furcated, with 1 very short apical denticle bearing 1 very short spine-like bristle. Hypandrium short thick, apically with a shallow, V-shaped apical incision, subapically with 2 small acute processes. Cercus slightly bent, nearly finger-like in lateral view, with long dark yellow hairs.</paragraph>
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<paragraph pageId="5" pageNumber="96">Female. Unknown.</paragraph>
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</subSubSection>
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<subSubSection pageId="5" pageNumber="96" type="type material">
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<paragraph pageId="5" pageNumber="96">Type material.</paragraph>
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<paragraph pageId="5" pageNumber="96">
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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="5" pageNumber="96" type="distribution">
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<paragraph pageId="5" pageNumber="96">Distribution.</paragraph>
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<paragraph pageId="5" pageNumber="96">China (Tibet).</paragraph>
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</subSubSection>
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<subSubSection pageId="5" pageNumber="96" type="remarks">
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<paragraph pageId="5" pageNumber="96">Remarks.</paragraph>
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<paragraph pageId="5" pageNumber="96">
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The new species belongs to the
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<taxonomicName lsidName="flexus" pageId="5" pageNumber="96" rank="species" species="flexus">flexus</taxonomicName>
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-subgroup of the
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<taxonomicName lsidName="fenestratus" pageId="5" pageNumber="96" rank="species" species="fenestratus">fenestratus</taxonomicName>
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-group. It may be separated from
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<taxonomicName class="Insecta" family="Dolichopodidae" genus="Diostracus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Diostracus flexus" order="Diptera" pageId="5" pageNumber="96" phylum="Arthropoda" rank="species" species="flexus">Diostracus flexus</taxonomicName>
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Takagi and
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<taxonomicName class="Insecta" family="Dolichopodidae" genus="Diostracus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Diostracus nishidai" order="Diptera" pageId="5" pageNumber="96" phylum="Arthropoda" rank="species" species="nishidai">Diostracus nishidai</taxonomicName>
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Saigusa from Nepal by the fore tarsomere 1 with a nearly acute apicoventral process and fore tarsomere 2 with a short finger-like ventral process near the extreme base (Figs 2, 5). In
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<taxonomicName class="Insecta" family="Dolichopodidae" genus="Diostracus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Diostracus flexus" order="Diptera" pageId="5" pageNumber="96" phylum="Arthropoda" rank="species" species="flexus">Diostracus flexus</taxonomicName>
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and
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<taxonomicName class="Insecta" family="Dolichopodidae" genus="Diostracus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Diostracus nishidai" order="Diptera" pageId="5" pageNumber="96" phylum="Arthropoda" rank="species" species="nishidai">Diostracus nishidai</taxonomicName>
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, the fore tarsomere 1 has an obtuse apicoventral corner, and the fore tarsomere 2 has no finger-like process near the extreme base (
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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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, figs 7-8).
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</paragraph>
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</subSubSection>
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<subSubSection pageId="5" pageNumber="96" type="etymology">
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<paragraph pageId="5" pageNumber="96">Etymology.</paragraph>
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<paragraph pageId="5" pageNumber="96">The specific name refers to the fore tarsomere 1 with a nearly acute apicoventral process.</paragraph>
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</subSubSection>
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</treatment>
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</document> |