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185 lines
15 KiB
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<document ID-DOI="http://dx.doi.org/10.3897/BDJ.1.e962" ID-PMC="PMC3964717" ID-Pensoft-Pub="1314-2828--962" ID-PubMed="24723762" ModsDocAuthor="" ModsDocDate="2013" ModsDocID="1314-2828--e962" ModsDocOrigin="Biodiversity Data Journal " ModsDocTitle="A new species of Lygistorrhina Skuse (Diptera: Sciaroidea: Lygistorrhinidae) from South Africa" checkinTime="1553126888402" checkinUser="pensoft" docAuthor="Blagoderov, Vladimir, Papp, Laszlo & Hippa, Heikki" docDate="2013" docId="B0570F729CBB3BCDAAADF30D8BD09CA7" docLanguage="en" docName="BiodivDatJour 1: e962" docOrigin="Biodiversity Data Journal 1" docSource="http://dx.doi.org/10.3897/BDJ.1.e962" docTitle="Lygistorrhina austroafricana Blagoderov, Papp & Hippa 2013, sp. n." docType="treatment" docVersion="4" lastPageNumber="962" masterDocId="FF8EFFB5C13CFF8DFE5ABA15AF40EA07" masterDocTitle="A new species of Lygistorrhina Skuse (Diptera: Sciaroidea: Lygistorrhinidae) from South Africa" masterLastPageNumber="962" masterPageNumber="962" pageNumber="962" updateTime="1668122279358" 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 new species of Lygistorrhina Skuse (Diptera: Sciaroidea: Lygistorrhinidae) from South Africa</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>Blagoderov, Vladimir</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>Papp, Laszlo</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>Hippa, Heikki</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>Biodiversity Data Journal</mods:title>
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</mods:titleInfo>
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<mods:part>
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<mods:date>2013</mods:date>
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<mods:detail type="volume">
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<mods:number>1</mods:number>
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</mods:detail>
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<mods:extent unit="page">
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<mods:start>962</mods:start>
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<mods:end>962</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/BDJ.1.e962</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/BDJ.1.e962</mods:identifier>
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<mods:identifier type="Pensoft-Pub">1314-2828--962</mods:identifier>
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</mods:mods>
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<treatment LSID="urn:lsid:zoobank.org:act:FA4CBFA7-1879-43C4-B277-74490A772FDD" httpUri="http://treatment.plazi.org/id/B0570F729CBB3BCDAAADF30D8BD09CA7" lastPageNumber="962" pageId="0" pageNumber="962">
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<subSubSection pageId="0" pageNumber="962" type="multiple">
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<paragraph pageId="0" pageNumber="962">Rank: SpeciesType of treatment: New taxonextantHabitat: terrestrialRoot classification: 8</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="962" type="nomenclature">
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<paragraph pageId="0" pageNumber="962">
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<taxonomicName LSID="urn:lsid:zoobank.org:act:FA4CBFA7-1879-43C4-B277-74490A772FDD" authority="Blagoderov, Papp & Hippa, 2013" authorityName="Blagoderov, Papp & Hippa" authorityYear="2013" class="Insecta" family="Lygistorrhinidae" genus="Lygistorrhina" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Lygistorrhina austroafricana" order="Diptera" pageId="0" pageNumber="962" phylum="Arthropoda" rank="species" species="austroafricana">Lygistorrhina austroafricana Blagoderov, Papp & Hippa, 2013</taxonomicName>
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<taxonomicNameLabel pageId="0" pageNumber="962">sp. n.</taxonomicNameLabel>
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="962" type="materials_examined">
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<paragraph pageId="0" pageNumber="962">Materials</paragraph>
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<paragraph pageId="0" pageNumber="962">Type status: Holotype</paragraph>
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<paragraph pageId="0" pageNumber="962">
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Occurrence: catalogNumber:
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<specimenCode pageId="0" pageNumber="962">FGO50909</specimenCode>
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; recordedBy:
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<collectorName pageId="0" pageNumber="962">
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L. Papp & M.
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<normalizedToken originalValue="Földvári">Foeldvari</normalizedToken>
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</collectorName>
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; individualCount:
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<specimenCount pageId="0" pageNumber="962">1</specimenCount>
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; sex:
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<specimenType pageId="0" pageNumber="962">male</specimenType>
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; Location: country:
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<collectingCountry pageId="0" pageNumber="962">South Africa</collectingCountry>
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; stateProvince: Eastern Cape Province; verbatimLocality: Bloukrans Pass, in a side valley; verbatimElevation:
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<elevation pageId="0" pageNumber="962">70 m</elevation>
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; verbatimLatitude: 33° 57\'09.6" S; verbatimLongitude: 23° 37\' 59.4" E; Event: eventDate:
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<collectingDate pageId="0" pageNumber="962">
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<date value="2007-01-14">2007-01-14</date>
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/16
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</collectingDate>
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; Record Level: institutionCode:
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<collectionCode pageId="0" pageNumber="962">HMNH</collectionCode>
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; collectionCode:
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<collectionCode pageId="0" pageNumber="962">Diptera</collectionCode>
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</paragraph>
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<paragraph pageId="0" pageNumber="962">Type status: Paratype</paragraph>
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<paragraph pageId="0" pageNumber="962">
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Occurrence: catalogNumber:
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<specimenCode pageId="0" pageNumber="962">FGO50910</specimenCode>
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; recordedBy:
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<collectorName pageId="0" pageNumber="962">
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L. Papp & M.
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<normalizedToken originalValue="Földvári">Foeldvari</normalizedToken>
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</collectorName>
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; individualCount:
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<specimenCount pageId="0" pageNumber="962">2</specimenCount>
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; sex:
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<specimenType pageId="0" pageNumber="962">male</specimenType>
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; Location: country:
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<collectingCountry pageId="0" pageNumber="962">South Africa</collectingCountry>
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; stateProvince: Eastern Cape Province; verbatimLocality: Bloukrans Pass, in a side valley; verbatimElevation:
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<elevation pageId="0" pageNumber="962">70 m</elevation>
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; verbatimLatitude: 33° 57\'09.6" S; verbatimLongitude: 23° 37\' 59.4" E; Event: eventDate:
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<collectingDate pageId="0" pageNumber="962">
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<date value="2007-01-14">2007-01-14</date>
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/16
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</collectingDate>
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; Record Level: institutionCode:
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<collectionCode pageId="0" pageNumber="962">HMNH</collectionCode>
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; collectionCode:
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<collectionCode pageId="0" pageNumber="962">Diptera</collectionCode>
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</paragraph>
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<paragraph pageId="0" pageNumber="962">Type status: Paratype</paragraph>
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<paragraph pageId="0" pageNumber="962">
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Occurrence: catalogNumber:
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<specimenCode pageId="0" pageNumber="962">FGO50911</specimenCode>
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; recordedBy:
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<collectorName pageId="0" pageNumber="962">
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L. Papp & M.
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<normalizedToken originalValue="Földvári">Foeldvari</normalizedToken>
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</collectorName>
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; individualCount:
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<specimenCount pageId="0" pageNumber="962">2</specimenCount>
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; sex:
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<specimenType pageId="0" pageNumber="962">male</specimenType>
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; Location: country:
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<collectingCountry pageId="0" pageNumber="962">South Africa</collectingCountry>
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; stateProvince: Eastern Cape Province; verbatimLocality: Bloukrans Pass, in a side valley; verbatimElevation:
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<elevation pageId="0" pageNumber="962">70 m</elevation>
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; verbatimLatitude: 33° 57\'09.6" S; verbatimLongitude: 23° 37\' 59.4" E; Event: eventDate:
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<collectingDate pageId="0" pageNumber="962">
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<date value="2007-01-14">2007-01-14</date>
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/16
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</collectingDate>
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; Record Level: institutionCode:
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<collectionCode pageId="0" pageNumber="962">HMNH</collectionCode>
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; collectionCode:
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<collectionCode pageId="0" pageNumber="962">Diptera</collectionCode>
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="962" type="description">
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<paragraph pageId="0" pageNumber="962">Description</paragraph>
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<paragraph pageId="0" pageNumber="962">Male. Measurements (mm). Head height 0.38, palpi 0.65, proboscis 1.05, antenna 0.9, thorax length 0.63, thorax height 0.71, metepisternum anterior margin 0.15, posterior margin 0.25; coxa 1 0.53; coxa 2 0.47; coxa 3 0.4; wing 1.9.</paragraph>
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<paragraph pageId="0" pageNumber="962">Colouration. Body, head and antennae entirely dark brownish-grey, almost black, halters yellowish, legs yellowish-brown.</paragraph>
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<paragraph pageId="0" pageNumber="962">Head (Fig. 7) rounded, vertex slightly convex. Head dichoptic, oval. Ommatidia round, very densely set, equal in size. Interocular setae as long as the diameter of ommatidia. Three ocelli, almost in a straight line, equal in size, set each on its own mound, lateral facing to the sides, medial facing forward. Antenna (Fig. 4) with scape 1.3x shorter than wide, with ventral setae, pedicel spherical, with whorl of setae apically, flagellum 14-segmented, moniliform, flagellomeres with length 1.5x the width, covered with setae 0.5x the width of flagellomeres, flagellomeres 1-11 with a few slightly longer dorsal setae. Bases of setae on flagellomeres form round depressions. Circular bases of flagellomere setae connected with folds forming polygonal pattern. Face as long as wide, with ventral and lateral setae. Clypeus rounded at apex, its length 1.5x the width. Palpi long, 0.6x the length of proboscis, tapering, with a single row of setae in apical 2/3. Proboscis evenly curved caudally, its length 2x the length of fore coxa. Lingua of hypopharynx very thin, transparent, tapering, with very thin hair at each side, longest at tip.</paragraph>
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<paragraph pageId="0" pageNumber="962">Thorax, legs, and abdomen uniformly dark brown (Fig. 1). Scutum (Fig. 2) evenly covered with setae of medium length, with longer supraalar setae. Scutellum short, without long setae. Postpronotum apparent, wide. Antepronotum and proepisternum both with 8 setae. Anterior margin of notum well anterior to fore coxa. Ventral margin of preepisternum 2 widely rounded. Metepisternal cleft deep, posterior margin of metepisternum longer than anterior, not extending the level of laterotergite. Laterotergite with a posterior row of 6 long setae. Mediotergite very convex.</paragraph>
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<paragraph pageId="0" pageNumber="962">Wing (Fig. 3) hyaline, moderately wide, costal margin slightly convex. Microtrichia on membrane long (0.02 mm), overlapping. Costa with long setae, ending at 3/4 distance between R5 and M1. Sc ending at C. R1 and R5 slightly sinusoid, setose dorsally and ventrally. Crossveins r-m and tb weak but distinct. M1 and M2 straight, the base of their fork is reduced, M2 begins more proximally than M1. M3+4 and CuA evenly curved caudally, slightly diverging.</paragraph>
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<paragraph pageId="0" pageNumber="962">Legs (Fig. 5). Fore coxa is the longest, mid coxa a little shorter. Tibial and tarsal setae not in rows. Number of tibial spurs on fore, mid and hind tibia 1:2:2, fore tibia tibial spur short, ca. 1.5x the tibia diameter, mid and hind tibial spurs with inner spur longer, 1.7x and 1.4x the outer, respectively. Hind tibia expanded apically. Fore and mid tarsal claws blunt, curved, with a very small incision at apex and setiform curved basal process as long as the claw. Hind tibia claw pointed, almost straight, with shorter basal process.</paragraph>
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<paragraph pageId="0" pageNumber="962">
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Terminalia (Figs 6, 8). Tergite 9 (Figs 6c, d, 8) roughly arrow-shaped with rounded apex, length 0.17 mm, width 0.15 mm, with long scattered setae and a dense patch of short setae at apex. Apodeme of tergite 9 with short, narrow stalk, a little wider that
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<normalizedToken originalValue="½">1/2</normalizedToken>
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width of the tergite, with two strong semicircular anterior arms. Gonocoxites fused ventrally, with a deep incision, almost reaching the base of synsclerite (Fig. 6b). Synsclerite length 0.2 mm, width 0.26 mm. Gonostyli simple, length 0.13 mm, with a dorsoapical scoop-shaped tooth. Long flagellate setae on mediodorsal edge of gonostylus slightly shorter than gonostylus.
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</paragraph>
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<paragraph pageId="0" pageNumber="962">Female. Unknown.</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="962" type="diagnosis">
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<paragraph pageId="0" pageNumber="962">Diagnosis</paragraph>
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<paragraph pageId="0" pageNumber="962">
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The species differs from all Afrotropical species of
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<taxonomicName class="Insecta" family="Lygistorrhinidae" genus="Lygistorrhina" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Lygistorrhina" order="Diptera" pageId="0" pageNumber="962" phylum="Arthropoda" rank="genus">Lygistorrhina</taxonomicName>
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in being smaller (wing length <2 mm), uniformly coloured very dark brownish-grey to black, and having shorter proboscis, which is at most 2x the length of coxa 1.
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<taxonomicName class="Insecta" family="Lygistorrhinidae" genus="Lygistorrhina" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Lygistorrhina austroafricana" order="Diptera" pageId="0" pageNumber="962" phylum="Arthropoda" rank="species" species="austroafricana">Lygistorrhina austroafricana</taxonomicName>
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is most similar to
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<taxonomicName class="Insecta" family="Lygistorrhinidae" genus="Lygistorrhina" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Lygistorrhina edwardsina" order="Diptera" pageId="0" pageNumber="962" phylum="Arthropoda" rank="species" species="edwardsina">Lygistorrhina edwardsina</taxonomicName>
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Grimaldi & Blagoderov, 2001 (
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<bibRefCitation author="Grimaldi, David" journalOrPublisher="Studia dipterologica" pageId="0" pageNumber="962" pagination="43 - 57" title="A new genus of Lygistorrhinidae from Viet Nam (Diptera: Sciaroidea), and phylogenetic relationships in the family" volume="8" year="2001">Grimaldi and Blagoderov 2001</bibRefCitation>
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), but differs in having a wider wing (length/width ratio 2.4 vs 2.7 in
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<taxonomicName class="Insecta" family="Lygistorrhinidae" genus="Lygistorrhina" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Lygistorrhina edwardsina" order="Diptera" pageId="0" pageNumber="962" phylum="Arthropoda" rank="species" species="edwardsina">Lygistorrhina edwardsina</taxonomicName>
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) with shorter Sc (0.24x the wing length vs 0.33x) and shorter and wider tergite 9, with stronger anterior arms of apodeme.
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<taxonomicName class="Insecta" family="Lygistorrhinidae" genus="Lygistorrhina" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Lygistorrhina magna" order="Diptera" pageId="0" pageNumber="962" phylum="Arthropoda" rank="species" species="magna">Lygistorrhina magna</taxonomicName>
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Matile, 1996 (
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<bibRefCitation author="Matile, L" journalOrPublisher="Revue Francaise d'Entomologie" pageId="0" pageNumber="962" pagination=": 30" title="Une nouvelle espece afrotropicale du genre Lygistorrhina Skuse (Diptera, Mycetophiloidea, Lygistorrhinidae)" volume="18" year="1996">Matile 1996</bibRefCitation>
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) also has a uniformly dark coloured body and wide apodeme of tergite 9, but it is a much larger fly (wing length 4.8 mm), and tergite 9 apodeme with stem wide and anterior arms not developed.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="962" type="etymology">
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<paragraph pageId="0" pageNumber="962">Etymology</paragraph>
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<paragraph pageId="0" pageNumber="962">The specific epithet is an adjective in reference to the place of origin of the specimens.</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="962" type="distribution">
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<paragraph pageId="0" pageNumber="962">Distribution</paragraph>
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<paragraph pageId="0" pageNumber="962">South Africa: Eastern Cape.</paragraph>
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</subSubSection>
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</treatment>
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</document> |