162 lines
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162 lines
15 KiB
XML
<document ID-DOI="http://dx.doi.org/10.3897/zookeys.1118.84403" ID-Pensoft-Pub="1313-2970-1118-119" ID-Pensoft-UUID="F3FF607969335274A13EC39C7F1A6F23" ID-ZooBank="862064A30C52401AAA0C10D33D626A66" ModsDocID="1313-2970-1118-119" checkinTime="1661416715903" checkinUser="pensoft" docAuthor="Qian, Xingyang, Wang, Ning & Yang, Ding" docDate="2022" docId="A9544386B1C653ECA4D1A61A1E4228FE" docLanguage="en" docName="ZooKeys 1118: 119-131" docOrigin="ZooKeys 1118" docPubDate="2022-08-24" docSource="http://dx.doi.org/10.3897/zookeys.1118.84403" docTitle="Hercostomus triangulatus Qian & Wang & Yang 2022, sp. nov." docType="treatment" docUuid="76823345-6706-4FC3-BBAF-D3087E4E34C4" docUuidSource="ZooBank" docVersion="1" id="F3FF607969335274A13EC39C7F1A6F23" lastPageNumber="119" masterDocId="F3FF607969335274A13EC39C7F1A6F23" masterDocTitle="The genus Hercostomus Loew (Diptera, Dolichopodidae, Dolichopodinae) from Inner Mongolia, China, with the description of two new species" masterLastPageNumber="131" masterPageNumber="119" pageNumber="119" updateTime="1661416715903" updateUser="pensoft">
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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>The genus Hercostomus Loew (Diptera, Dolichopodidae, Dolichopodinae) from Inner Mongolia, China, with the description of two new species</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>Qian, Xingyang</mods:namePart>
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<mods:affiliation>Institute of Grassland Research, Chinese Academy of Agricultural Sciences, Hohhot, Inner Mongolia 010010, China</mods:affiliation>
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</mods:name>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Wang, Ning</mods:namePart>
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<mods:affiliation>Institute of Grassland Research, Chinese Academy of Agricultural Sciences, Hohhot, Inner Mongolia 010010, China</mods:affiliation>
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<mods:nameIdentifier type="email">wangningis@163.com</mods:nameIdentifier>
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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:affiliation>Department of Entomology, College of Plant Protection, China Agricultural University, Beijing 100193, China</mods:affiliation>
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<mods:nameIdentifier type="email">dyangcau@126.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>2022-08-24</mods:number>
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</mods:detail>
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<mods:detail type="volume">
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<mods:number>1118</mods:number>
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</mods:detail>
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<mods:extent unit="page">
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<mods:start>119</mods:start>
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<mods:end>131</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.1118.84403</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.1118.84403</mods:identifier>
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<mods:identifier type="Pensoft-Pub">1313-2970-1118-119</mods:identifier>
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<mods:identifier type="ZooBank">862064A30C52401AAA0C10D33D626A66</mods:identifier>
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<mods:identifier type="Pensoft-UUID">F3FF607969335274A13EC39C7F1A6F23</mods:identifier>
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</mods:mods>
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<subSection pageId="0" pageNumber="119" type="taxonomy">
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<treatment LSID="urn:lsid:zoobank.org:act:76823345-6706-4FC3-BBAF-D3087E4E34C4" httpUri="http://treatment.plazi.org/id/A9544386B1C653ECA4D1A61A1E4228FE" lastPageNumber="119" pageId="0" pageNumber="119">
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<subSubSection pageId="0" pageNumber="119" type="nomenclature">
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<paragraph pageId="0" pageNumber="119">
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<taxonomicName LSID="https://zoobank.org/76823345-6706-4FC3-BBAF-D3087E4E34C4" authority="Qian & Wang & Yang, 2022" authorityName="Qian & Wang & Yang" authorityYear="2022" class="Insecta" domain="Unassigned" family="Dolichopodidae" genus="Hercostomus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Hercostomus triangulatus" order="Diptera" pageId="0" pageNumber="119" phylum="Arthropoda" rank="species" species="triangulatus" status="sp. nov.">Hercostomus triangulatus</taxonomicName>
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<taxonomicNameLabel pageId="0" pageNumber="119">sp. nov.</taxonomicNameLabel>
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="119" type="description">
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<paragraph pageId="0" pageNumber="119">
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<figureCitation captionStart="Figures 6–8" captionStartId="F3" captionText="Figures 6 - 8. Habitus, lateral view 6 Hercostomus shennongjiensis Yang, 1997, male 7 Hercostomus sinicus Stackelberg, 1934, male 8 Hercostomus triangulatus sp. nov., holotype male. Scale bars: 1 mm." figureDoi="10.3897/zookeys.1118.84403.figures6-8" httpUri="https://binary.pensoft.net/fig/734709" pageId="0" pageNumber="119">Figs 8</figureCitation>
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<figureCitation captionStart="Figures 12–14" captionStartId="F6" captionText="Figures 12 - 14. Hercostomus triangulatus sp. nov., male 12 antenna, lateral view 13 subepandrial processess and postgonite, lateral view 14 genitalia, lateral view. Abbreviations: hyp = hypandrium, epan = epandrial lobe, cer = cercus. Scale bars: 0.1 mm." figureDoi="10.3897/zookeys.1118.84403.figures12-14" httpUri="https://binary.pensoft.net/fig/734712" pageId="0" pageNumber="119">, 12-14</figureCitation>
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="119" type="diagnosis">
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<paragraph pageId="0" pageNumber="119">Diagnosis.</paragraph>
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<paragraph pageId="0" pageNumber="119">Antenna mainly dark yellow; postpedicel blackish with basal ventral surface dark yellow, 1.2 times longer than wide, obtuse at tip; arista black, basal segment 0.25 times as long as apical segment. All coxae dark yellow. Male cercus nearly triangular with weak denticles and 3 relatively long finger-like processes.</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="119" type="description">
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<paragraph pageId="0" pageNumber="119">Description.</paragraph>
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<paragraph pageId="0" pageNumber="119">
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<emphasis bold="true" pageId="0" pageNumber="119">Male</emphasis>
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(Fig.
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<figureCitation captionStart="Figures 6–8" captionStartId="F3" captionText="Figures 6 - 8. Habitus, lateral view 6 Hercostomus shennongjiensis Yang, 1997, male 7 Hercostomus sinicus Stackelberg, 1934, male 8 Hercostomus triangulatus sp. nov., holotype male. Scale bars: 1 mm." figureDoi="10.3897/zookeys.1118.84403.figures6-8" httpUri="https://binary.pensoft.net/fig/734709" pageId="0" pageNumber="119">8</figureCitation>
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). Body length 3.7-4.1 mm, wing length 3.3-3.6 mm.
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</paragraph>
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<paragraph pageId="0" pageNumber="119">
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<emphasis bold="true" italics="true" pageId="0" pageNumber="119">Head</emphasis>
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metallic green with dense pale grey pollinosity. Hairs and bristles on head black, middle and lower postocular bristles and posteroventral hairs yellow. Antenna (Fig.
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<figureCitation captionStart="Figures 12–14" captionStartId="F6" captionText="Figures 12 - 14. Hercostomus triangulatus sp. nov., male 12 antenna, lateral view 13 subepandrial processess and postgonite, lateral view 14 genitalia, lateral view. Abbreviations: hyp = hypandrium, epan = epandrial lobe, cer = cercus. Scale bars: 0.1 mm." figureDoi="10.3897/zookeys.1118.84403.figures12-14" httpUri="https://binary.pensoft.net/fig/734712" pageId="0" pageNumber="119">12</figureCitation>
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) dark yellow except scape blackish at base and postpedicel blackish with base and ventral surface dark yellow; postpedicel 1.2 times longer than wide, somewhat acute at tip; arista blackish with short pubescence, basal segment 0.25 times as long as apical segment. Proboscis brownish yellow with black hairs; palpus brownish, with dark yellow hairs and 1 dark yellow apical bristle.
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</paragraph>
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<caption doi="10.3897/zookeys.1118.84403.figures12-14" httpUri="https://binary.pensoft.net/fig/734712" pageId="0" pageNumber="119" start="Figures 12–14" startId="F6">
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<paragraph pageId="0" pageNumber="119">
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<emphasis bold="true" pageId="0" pageNumber="119">Figures 12-14.</emphasis>
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<taxonomicName authorityName="Qian & Wang & Yang" authorityYear="2022" class="Insecta" domain="Unassigned" family="Dolichopodidae" genus="Hercostomus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Hercostomus triangulatus" order="Diptera" pageId="0" pageNumber="119" phylum="Arthropoda" rank="species" species="triangulatus">
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<emphasis italics="true" pageId="0" pageNumber="119">Hercostomus triangulatus</emphasis>
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</taxonomicName>
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sp. nov., male
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<emphasis bold="true" pageId="0" pageNumber="119">12</emphasis>
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antenna, lateral view
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<emphasis bold="true" pageId="0" pageNumber="119">13</emphasis>
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subepandrial processess and postgonite, lateral view
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<emphasis bold="true" pageId="0" pageNumber="119">14</emphasis>
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genitalia, lateral view. Abbreviations: hyp = hypandrium, epan = epandrial lobe, cer = cercus. Scale bars: 0.1 mm.
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</paragraph>
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</caption>
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<paragraph pageId="0" pageNumber="119">
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<emphasis bold="true" italics="true" pageId="0" pageNumber="119">Thorax</emphasis>
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metallic green with pale grey pollinosity. Hairs and bristles on thorax black; 6~8 irregularly biseriate acr short hair-like; 6 long strong dc. Scutellum with 2 pairs of sc, basal pair short hair-like. Propleuron with yellowish hairs and 1 black bristle on lower portion.
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</paragraph>
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<paragraph pageId="0" pageNumber="119">
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<emphasis bold="true" italics="true" pageId="0" pageNumber="119">Legs</emphasis>
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yellow; all coxae yellow; all tarsi brown to dark brown from tip of tarsomere 1 onwards. Hairs and bristles on legs black; mid and hind coxae each with 1 outer bristle; mid and hind femora each with 1 preapical bristle; fore tibia with 1 ad, 2 pd and 2 short apical bristles; mid tibia with 4 ad, 2 short pd, 1 av and 4 short apical bristles; hind tibia with 3 ad, 3 pd, 4 short av (2 inner bristles thin, 2 outer bristles thick) and 3 apical bristles. Hind tarsomere 1 with 1 short ventral bristle at base. Relative lengths of tibia and 5 tarsomeres of legs LI: 2.0: 1.1: 0.5: 0.4: 0.3: 0.2; LII: 2.8: 1.5: 0.8: 0.7: 0.4: 0.3; LIII: 3.4: 1.0: 1.2: 0.5:?:?.
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<emphasis bold="true" italics="true" pageId="0" pageNumber="119">Wing</emphasis>
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nearly hyaline, veins dark brown; R4+5 and M distinctly convergent apically; CuAx 0.5. Squama yellow with dark yellowish hairs. Halter yellow.
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</paragraph>
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<paragraph pageId="0" pageNumber="119">
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<emphasis bold="true" italics="true" pageId="0" pageNumber="119">Abdomen</emphasis>
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metallic green with pale grey pollinosity. Hairs and bristles on abdomen black; tergite 1 with several short yellow hairs; sternites 2-3 with short yellow hairs. Male genitalia (Fig.
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<figureCitation captionStart="Figures 12–14" captionStartId="F6" captionText="Figures 12 - 14. Hercostomus triangulatus sp. nov., male 12 antenna, lateral view 13 subepandrial processess and postgonite, lateral view 14 genitalia, lateral view. Abbreviations: hyp = hypandrium, epan = epandrial lobe, cer = cercus. Scale bars: 0.1 mm." figureDoi="10.3897/zookeys.1118.84403.figures12-14" httpUri="https://binary.pensoft.net/fig/734712" pageId="0" pageNumber="119">14</figureCitation>
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): Epandrium distinctly longer than wide, narrowed at tip; epandrial lateral lobe relatively short and thick. Subepandrial process (Fig.
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<figureCitation captionStart="Figures 12–14" captionStartId="F6" captionText="Figures 12 - 14. Hercostomus triangulatus sp. nov., male 12 antenna, lateral view 13 subepandrial processess and postgonite, lateral view 14 genitalia, lateral view. Abbreviations: hyp = hypandrium, epan = epandrial lobe, cer = cercus. Scale bars: 0.1 mm." figureDoi="10.3897/zookeys.1118.84403.figures12-14" httpUri="https://binary.pensoft.net/fig/734712" pageId="0" pageNumber="119">13</figureCitation>
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) with two processes separated, narrowed at tip. Male cercus nearly triangular with some weak denticles and 3 relatively long finger-like processes bearing long bristles on apical margin. Hypandrium somewhat acute at tip.
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</paragraph>
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<paragraph pageId="0" pageNumber="119">
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<emphasis bold="true" pageId="0" pageNumber="119">Female.</emphasis>
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Body length 3.0-3.6 mm, wing length 3.6-3.7 mm.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="119" type="type material">
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<paragraph pageId="0" pageNumber="119">Type material examined.</paragraph>
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<paragraph pageId="0" pageNumber="119">
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<emphasis bold="true" italics="true" pageId="0" pageNumber="119">Holotype</emphasis>
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: male, China, Inner Mongolia, Tongliao, Daqinggou, 180m, 2014.VII.24, Ning Wang & Ding Yang (CAU).
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<emphasis bold="true" italics="true" pageId="0" pageNumber="119">Paratypes</emphasis>
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: 3 males 1 female, same data as holotype (CAU); 8 males 3 females, China, Inner Mongolia, Tongliao, Daqinggou, 180 m, 2014.VII.23, Ning Wang & Ding Yang (CAU); 1 male 1 female, China, Tongliao, Daqinggou, 180 m, 2014.VII.22, Ning Wang & Ding Yang (CAU).
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="119" type="distribution">
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<paragraph pageId="0" pageNumber="119">Distribution.</paragraph>
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<paragraph pageId="0" pageNumber="119">China (Inner Mongolia).</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="119" type="remarks">
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<paragraph pageId="0" pageNumber="119">Remarks.</paragraph>
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<paragraph pageId="0" pageNumber="119">
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The new species is somewhat similar to the members of
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<taxonomicName class="Insecta" genus="H." kingdom="Animalia" lsidName="H. crassivena" order="Diptera" pageId="0" pageNumber="119" phylum="Arthropoda" rank="species" species="crassivena">
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<emphasis italics="true" pageId="0" pageNumber="119">H. crassivena</emphasis>
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</taxonomicName>
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group, but the veins of
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<taxonomicName class="Insecta" genus="H." kingdom="Animalia" lsidName="H. triangulatus" order="Diptera" pageId="0" pageNumber="119" phylum="Arthropoda" rank="species" species="triangulatus">
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<emphasis italics="true" pageId="0" pageNumber="119">H. triangulatus</emphasis>
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</taxonomicName>
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are not thickened (
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<bibRefCitation DOI="https://doi.org/10.3157/0002-8320(2007)133[155:SOHCDD]2.0.CO;2" author="Zhang, LL" journalOrPublisher="Entomofauna" pageId="0" pageNumber="119" refId="B12" refString="Zhang, LL, Yang, D, 2007. Species of Hercostomus crassivena-group (Diptera: Dolichopodidae). Transactions of the American Entomological Society 133(1): 155-159. https://doi.org/10.3157/0002-8320(2007)133[155:SOHCDD]2.0.CO;2" title="Species of Hercostomus crassivena-group (Diptera: Dolichopodidae). Transactions of the American Entomological Society 133 (1): 155 - 159." url="https://doi.org/10.3157/0002-8320(2007)133[155:SOHCDD]2.0.CO;2" year="2007">Zhang and Yang 2007</bibRefCitation>
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).
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="119" type="etymology">
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<paragraph pageId="0" pageNumber="119">Etymology.</paragraph>
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<paragraph pageId="0" pageNumber="119">This species is named after the triangular cercus.</paragraph>
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</subSubSection>
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</treatment>
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</subSection>
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</document> |