166 lines
17 KiB
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166 lines
17 KiB
XML
<document ID-DOI="http://dx.doi.org/10.3897/zookeys.70.766" ID-GBIF-Dataset="2b84a019-2f85-4bf1-b015-e56466ac00e6" ID-PMC="PMC3088448" ID-Pensoft-Pub="1313-2970-70-41" ID-PubMed="21594042" ModsDocAuthor="" ModsDocDate="2010" ModsDocID="1313-2970-70-41" ModsDocOrigin="ZooKeys 70" ModsDocTitle="Five additions to the list of Sepsidae Diptera for Vietnam: Perochaeta cuirassa sp. n., Perochaeta lobo sp. n., Sepsis spura sp. n., Sepsis sepsi Ozerov, 2003 and Sepsis monostigma Thompson, 1869" checkinTime="1451250877130" checkinUser="pensoft" docAuthor="Ang, Yuchen & Meier, Rudolf" docDate="2010" docId="BA028324E5E1325E2C17A78CFA188896" docLanguage="en" docName="ZooKeys 70: 41-56" docOrigin="ZooKeys 70" docSource="http://dx.doi.org/10.3897/zookeys.70.766" docTitle="Sepsis spura Ang 2010, sp. n." docType="treatment" docVersion="4" lastPageNumber="50" masterDocId="FFB5FFB3FF85FFAEFF9A1E7FFF85985F" masterDocTitle="Five additions to the list of Sepsidae Diptera for Vietnam: Perochaeta cuirassa sp. n., Perochaeta lobo sp. n., Sepsis spura sp. n., Sepsis sepsi Ozerov, 2003 and Sepsis monostigma Thompson, 1869" masterLastPageNumber="56" masterPageNumber="41" pageNumber="48" updateTime="1668164869082" 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>Five additions to the list of Sepsidae Diptera for Vietnam: Perochaeta cuirassa sp. n., Perochaeta lobo sp. n., Sepsis spura sp. n., Sepsis sepsi Ozerov, 2003 and Sepsis monostigma Thompson, 1869</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>Ang, Yuchen</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>Meier, Rudolf</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>2010</mods:date>
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<mods:detail type="volume">
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<mods:number>70</mods:number>
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</mods:detail>
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<mods:extent unit="page">
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<mods:start>41</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.70.766</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.70.766</mods:identifier>
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<mods:identifier type="Pensoft-Pub">1313-2970-70-41</mods:identifier>
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</mods:mods>
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<treatment ID-GBIF-Taxon="159360879" LSID="urn:lsid:plazi:treatment:BA028324E5E1325E2C17A78CFA188896" httpUri="http://treatment.plazi.org/id/BA028324E5E1325E2C17A78CFA188896" lastPageId="10" lastPageNumber="50" pageId="7" pageNumber="48">
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<subSubSection pageId="7" pageNumber="48" type="nomenclature">
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<paragraph pageId="7" pageNumber="48">
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<taxonomicName LSID="urn:lsid:zoobank.org:act:581DEFE8-8274-4365-BCDF-7F34BB59A258" authority="Ang 2010" authorityYear="2010" class="Insecta" family="Sepsidae" genus="Sepsis" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Sepsis spura" order="Diptera" pageId="7" pageNumber="48" phylum="Arthropoda" rank="species" species="spura">Sepsis spura Ang 2010</taxonomicName>
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<taxonomicNameLabel pageId="7" pageNumber="48">sp. n.</taxonomicNameLabel>
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Figs 24-31
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</paragraph>
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</subSubSection>
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<subSubSection pageId="7" pageNumber="48" type="material">
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<paragraph pageId="7" pageNumber="48">Material.</paragraph>
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<paragraph pageId="7" pageNumber="48">
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Holotype. ♂ (RMBR), Vietnam,
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<normalizedToken originalValue="Lào">Lao</normalizedToken>
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Cai Province, Sa Pa Valley. Collected from dung on cow farm, 4km NE of Sa Pa town [22°21'28.19"N; 103°51'53.35"E, elevation 1250m ASL]. Collected 15.VII.2010 (Ang Y). Paratypes. 2 ♂ (RMBR), Indonesia, West Sumatra, Bukit Tingei Regency, Tanjung Mutiara Dist., Bantar Gadang Beach, [0°24.792"S; 99°56.307"E 0m ASL]. Collected 6.VII.2007 (Lohman D). ♂ (RMBR), Indonesia, N. Sulawesi, Tondano Province, Kampung Jawa [1°17'18.11"N, 124°52'30.05"E, elevation 650m ASL]. Collected 12.V.2009 (Ang Y).
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</paragraph>
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<caption pageId="7" pageNumber="48">
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<paragraph pageId="7" pageNumber="48">
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Figures 24-31.
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<taxonomicName class="Insecta" family="Sepsidae" genus="Sepsis" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Sepsis spura" order="Diptera" pageId="7" pageNumber="48" phylum="Arthropoda" rank="species" species="spura">Sepsis spura</taxonomicName>
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. 24 fore femur, posterior 25 fore tibia, posterior 26 fore femur, anterior 27 fore tibia, anterior 28 pleural pruinosity pattern, lateral 29 4th and 5th sternites, ventral 30 hypopygium, dorsal 31 hypopygium, lateral. Scale bars: 0.5mm.
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</paragraph>
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</caption>
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</subSubSection>
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<subSubSection pageId="7" pageNumber="48" type="etymology">
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<paragraph pageId="7" pageNumber="48">Etymology.</paragraph>
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<paragraph pageId="7" pageNumber="48">
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The specific epithet old English for
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<normalizedToken originalValue="“spur”">"spur"</normalizedToken>
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, and refers to the distinct spur-like medioventral tubercle found on the male fore femur.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="7" pageNumber="48" type="diagnosis">
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<paragraph pageId="7" pageNumber="48">Diagnosis.</paragraph>
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<paragraph pageId="7" pageNumber="48">
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Adult males of
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<taxonomicName class="Insecta" family="Sepsidae" genus="Sepsis" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Sepsis spura" order="Diptera" pageId="7" pageNumber="48" phylum="Arthropoda" rank="species" species="spura">Sepsis spura</taxonomicName>
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closely resemble
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<taxonomicName class="Insecta" family="Sepsidae" genus="Sepsis" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Sepsis nitens" order="Diptera" pageId="7" pageNumber="48" phylum="Arthropoda" rank="species" species="nitens">Sepsis nitens</taxonomicName>
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but can be distinguished by the following characters: (1) Medioventral tubercle on male fore femur of
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<taxonomicName class="Insecta" family="Sepsidae" genus="Sepsis" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Sepsis spura" order="Diptera" pageId="7" pageNumber="48" phylum="Arthropoda" rank="species" species="spura">Sepsis spura</taxonomicName>
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is spur-like and bent at a forward angle with two smaller adjacent spines dorsally positioned at the end of the tubercle and one larger spine at the ventral end (Figs 24, 26), while the tubercle in
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<taxonomicName class="Insecta" family="Sepsidae" genus="Sepsis" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Sepsis nitens" order="Diptera" pageId="7" pageNumber="48" phylum="Arthropoda" rank="species" species="nitens">Sepsis nitens</taxonomicName>
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is thicker on the base and has its three spines positioned more in a anterio-posterior fashion (Fig. 21). (2) The basal lamina-like projection on the fore tibia of
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<taxonomicName class="Insecta" family="Sepsidae" genus="Sepsis" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Sepsis spura" order="Diptera" pageId="7" pageNumber="48" phylum="Arthropoda" rank="species" species="spura">Sepsis spura</taxonomicName>
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(Figs 25, 27) merges back with the tibia gently, but ends off with a distinct lobe in
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<taxonomicName class="Insecta" family="Sepsidae" genus="Sepsis" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Sepsis nitens" order="Diptera" pageId="7" pageNumber="48" phylum="Arthropoda" rank="species" species="nitens">Sepsis nitens</taxonomicName>
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(Fig. 22). The short spines found posteriorly on the projection are also much weaker than those found in
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<taxonomicName class="Insecta" family="Sepsidae" genus="Sepsis" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Sepsis nitens" order="Diptera" pageId="7" pageNumber="48" phylum="Arthropoda" rank="species" species="nitens">Sepsis nitens</taxonomicName>
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. (3)
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<taxonomicName class="Insecta" family="Sepsidae" genus="Sepsis" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Sepsis spura" order="Diptera" pageId="7" pageNumber="48" phylum="Arthropoda" rank="species" species="spura">Sepsis spura</taxonomicName>
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(Figs 25, 27) has only one anterior lamina-like protrusion on the distal portion of the fore tibia, while
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<taxonomicName class="Insecta" family="Sepsidae" genus="Sepsis" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Sepsis nitens" order="Diptera" pageId="7" pageNumber="48" phylum="Arthropoda" rank="species" species="nitens">Sepsis nitens</taxonomicName>
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(Fig. 22) has such protrusions on both anterior and posterior sides. (4) The surstylus of
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<taxonomicName class="Insecta" family="Sepsidae" genus="Sepsis" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Sepsis nitens" order="Diptera" pageId="7" pageNumber="48" phylum="Arthropoda" rank="species" species="nitens">Sepsis nitens</taxonomicName>
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(Fig. 23) has a rather angular basal swelling and is relatively straight, curved only at the terminus, while the surstyli of
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<taxonomicName class="Insecta" family="Sepsidae" genus="Sepsis" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Sepsis spura" order="Diptera" pageId="7" pageNumber="48" phylum="Arthropoda" rank="species" species="spura">Sepsis spura</taxonomicName>
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(Figs 30, 31) has a rounded basal swelling and is medially curved for the entirety of the surstylus.
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<taxonomicName class="Insecta" family="Sepsidae" genus="Sepsis" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Sepsis spura" order="Diptera" pageId="7" pageNumber="48" phylum="Arthropoda" rank="species" species="spura">Sepsis spura</taxonomicName>
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can be distinguished from other
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<taxonomicName class="Insecta" family="Sepsidae" genus="Sepsis" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Sepsis" order="Diptera" pageId="7" pageNumber="48" phylum="Arthropoda" rank="genus">Sepsis</taxonomicName>
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, also based on the specific structure of the male fore leg ornamentation and the shape of the surstylus.
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</paragraph>
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</subSubSection>
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<subSubSection lastPageId="9" lastPageNumber="50" pageId="7" pageNumber="48" type="description (male)">
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<paragraph pageId="7" pageNumber="48">Description (male).</paragraph>
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<paragraph lastPageId="8" lastPageNumber="49" pageId="7" pageNumber="48">
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Colour. Head capsule mostly brown with a thin light brown strip on gena; fascial margin black. Vertex dark brown. Facial carina and lunule light grey-brown. Pedicel dark brown, 1st flagellomere yellowish, arista brown. Proboscis whi
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<pageBreakToken pageId="8" pageNumber="49" start="start">tish</pageBreakToken>
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yellow. Forelegs wholly yellow. Mid and rear coxa yellow with brown base. Mid femur brown but yellow on basal and distal tips; mid tibia brown on basal half and diffuses to yellow on apical half. Rear femur yellow but brown on dorsal region, while rear tibia wholly brown. Fore tarsus with tarsomeres 3-5 brown, mid tarsus with tarsomeres 3-5 very lightly brown, rear tarsus with tarsomeres 4 and 5 brown. Wing clear except for basicostal cell and basal region of costal cell, which is light brown. Veins dark brown. Calypter clear, margin and fringe-hairs yellowish. Haltere white. Thorax mostly dark brown, but pronotopleuron is yellow. Abdominal tergites and sternites glossy dark brown.
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</paragraph>
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<paragraph pageId="8" pageNumber="49">Head. Roundish, facial carina short and shallow, facial area receding. Gena and parafacial region narrow. Largely glossy except for lightly microtomentose occipital region. Chaetotaxy: 1 ocellar, 1 divergent postocellar (ocellar longer than postocellar), 1 inner vertical, 1 outer vertical (outer subequal to inner). Orbital very reduced to absent. 3-4 vibrissae. 3-4 postocular. Lower fascial margin lined with setulae.</paragraph>
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<paragraph lastPageId="9" lastPageNumber="50" pageId="8" pageNumber="49">
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Thorax. Scutum, postpronotum and scutellum wholly microtomentose. Subscutellum microtomentose with a small glossy spot ventromedially. Mediotergite microtomentose on margins and glossy in the medial region. Scutellum twice wide as long. Pleural pruinosity pattern (Fig. 28): Proepisternum lightly microtomentose. Anepisternum largely glossy with a small strip on the anterioventral and posteriodorsal margins very lightly dusted. Balsare glossy. Katepisternum densely microtomentose.
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<pageBreakToken pageId="9" pageNumber="50" start="start">Anepimeron</pageBreakToken>
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glossy. Katatergite, meron and metepimeron microtomentose. Chaetotaxy: 1 apical scutellar, 1 reduced basal scutellar, 1 row dorsocentral with posterior-most two setae as bristles, 1 row acrostichial and 1 postalar, 1 supraalar, 1 notopleural, 1 postpronotal, 1 anepisternal and 2 posterior spiracular.
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</paragraph>
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<paragraph pageId="9" pageNumber="50">Legs. Forelegs modified; fore femur (Figs 24, 26) with large submedian ventral spine and robust, forward curving spur-like protrusion at the median. This protrusion terminates with three short stout spines, with two adjacently positioned dorsally and one positioned ventrally. Fore tibia (Figs 25, 27) with a submedial and medial cuticular laminar extension; submedial extension with row of short spines. Additional chaetotaxy: Fore tibia with apical anteriodorsal. Mid femur with 1 anterior. Mid tibia with 2 posterior on median and subapex, 2 dorsal on basal 2/3 and apex, 1 anterior on apex, 1 anterioventral on basal 2/3 and 1 ventral on apex. Hind femur with 1 anteriodorsal on basal 2/3 and 1 posterioventral subapically. Hind tibia with 2 dorsal at median and subapically, 1 anterior at median and 2 anterioventral medially and subapically. Rear basitarsus with 2 ventral dark spines basally.</paragraph>
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<paragraph pageId="9" pageNumber="50">Wings. Without pterostigma. Veins bare. Covered with microtrichiae except for basal half of basal-medial cell. Anterior region of r2+3 cell with sparse microtrichiae. Radial-medial cross-vein divides discal-medial cell by ratio of slightly less than 2: 1. Length: 2.9-3.5mm.</paragraph>
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<paragraph pageId="9" pageNumber="50">Abdomen. Tergites glossy black, syntergite 1+2 - tergite 5 normal, tergite 6 missing, syntergite 7+8 present and extending ventrad as a narrow sclerite. Spiracles 1-3 on intersegmental membrane close to tergite, spiracles 4 and 5 within respective tergites near margin. Spiracles 7 and 8 adjacent on margin of syntergite 7+8. Sternite 1 a broad rectangle with posterior invaginations while sternite 2 is triangular, tapering posteriorly; sternite 3 is oblong. Sternite 4 is V-shaped with setae and one stout discal bristle on each lateral margin; sternite 5 reduced to a thin lateral crescent (Fig. 29).</paragraph>
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<paragraph pageId="9" pageNumber="50">Hypopygium. Cercal plate with two very weak lobes, each with single distal setae. Hypopygium and surstylus relatively setaeless. Surstylus fused to hypopygium; bulging medially at base but thin and curved medially, slightly dentate terminally (Figs 30, 31).</paragraph>
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</subSubSection>
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<subSubSection pageId="9" pageNumber="50" type="distribution">
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<paragraph pageId="9" pageNumber="50">Distribution.</paragraph>
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<paragraph pageId="9" pageNumber="50">
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Indonesia (Sulawesi, Sumatra), Vietnam (
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<normalizedToken originalValue="Lào">Lao</normalizedToken>
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Cai).
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</paragraph>
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</subSubSection>
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<subSubSection lastPageId="10" lastPageNumber="51" pageId="9" pageNumber="50" type="key to species of the genus perochaeta duda, 1926 (males)">
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<paragraph pageId="9" pageNumber="50">Key to species of the genus Perochaeta Duda, 1926 (males)</paragraph>
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<paragraph lastPageId="10" lastPageNumber="51" pageId="9" pageNumber="50">
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<table lastPageId="10" lastPageNumber="51" pageId="9" pageNumber="50">
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<tr pageId="9" pageNumber="50">
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<td colspan="1" pageId="9" pageNumber="50" rowspan="1">
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<taxonomicName class="Insecta" family="Sepsidae" genus="Perochaeta" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Perochaeta orientalis" order="Diptera" pageId="9" pageNumber="50" phylum="Arthropoda" rank="species" species="orientalis">Perochaeta orientalis</taxonomicName>
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</td>
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</tr>
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<tr pageId="9" pageNumber="50">
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<td colspan="1" pageId="9" pageNumber="50" rowspan="1">
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<taxonomicName class="Insecta" family="Sepsidae" genus="Perochaeta" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Perochaeta hennigi" order="Diptera" pageId="9" pageNumber="50" phylum="Arthropoda" rank="species" species="hennigi">Perochaeta hennigi</taxonomicName>
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</td>
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</tr>
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<tr pageId="10" pageNumber="51">
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<td colspan="1" pageId="10" pageNumber="51" rowspan="1">
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<taxonomicName class="Insecta" family="Sepsidae" genus="Perochaeta" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Perochaeta dikowi" order="Diptera" pageId="10" pageNumber="51" phylum="Arthropoda" rank="species" species="dikowi">
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<pageBreakToken pageId="10" pageNumber="51" start="start">Perochaeta</pageBreakToken>
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dikowi
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</taxonomicName>
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</td>
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</tr>
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<tr pageId="10" pageNumber="51">
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<td colspan="1" pageId="10" pageNumber="51" rowspan="1">
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<taxonomicName class="Insecta" family="Sepsidae" genus="Perochaeta" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Perochaeta cuirassa" order="Diptera" pageId="10" pageNumber="51" phylum="Arthropoda" rank="species" species="cuirassa">Perochaeta cuirassa</taxonomicName>
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</td>
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</tr>
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<tr pageId="10" pageNumber="51">
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<td colspan="1" pageId="10" pageNumber="51" rowspan="1">
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<taxonomicName class="Insecta" family="Sepsidae" genus="Perochaeta" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Perochaeta lobo" order="Diptera" pageId="10" pageNumber="51" phylum="Arthropoda" rank="species" species="lobo">Perochaeta lobo</taxonomicName>
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</td>
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</tr>
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</table>
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</paragraph>
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</subSubSection>
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</treatment>
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</document> |