177 lines
16 KiB
XML
177 lines
16 KiB
XML
<document ID-DOI="http://dx.doi.org/10.3897/zookeys.225.3721" ID-GBIF-Dataset="1301ded3-c86d-4e07-aae6-dd84e348cd25" ID-PMC="PMC3487652" ID-Pensoft-Pub="1313-2970-225-1" ID-PubMed="23166461" ModsDocAuthor="" ModsDocDate="2012" ModsDocID="1313-2970-225-1" ModsDocOrigin="ZooKeys 225" ModsDocTitle="A revision of the genus Planinasus Cresson (Diptera, Periscelididae)" checkinTime="1451248711591" checkinUser="pensoft" docAuthor="Mathis, Wayne N., Rung, Alessandra & Kotrba, Marion" docDate="2012" docId="9F0C4A4E167D560634EFF6059768EAD2" docLanguage="en" docName="ZooKeys 225: 1-83" docOrigin="ZooKeys 225" docSource="http://dx.doi.org/10.3897/zookeys.225.3721" docTitle="Planinasus tobagoensis Mathis, Rung & Kotrba, 2012, sp. n." docType="treatment" docVersion="4" lastPageNumber="36" masterDocId="5C00FF9EFFDAFF805469564E9829FF97" masterDocTitle="A revision of the genus Planinasus Cresson (Diptera, Periscelididae)" masterLastPageNumber="83" masterPageNumber="1" pageNumber="33" updateTime="1668154510379" 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 revision of the genus Planinasus Cresson (Diptera, Periscelididae)</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>Mathis, Wayne N.</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>Rung, Alessandra</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>Kotrba, Marion</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>2012</mods:date>
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<mods:detail type="volume">
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<mods:number>225</mods:number>
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</mods:detail>
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<mods:extent unit="page">
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<mods:start>1</mods:start>
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<mods:end>83</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.225.3721</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.225.3721</mods:identifier>
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<mods:identifier type="Pensoft-Pub">1313-2970-225-1</mods:identifier>
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</mods:mods>
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<treatment ID-GBIF-Taxon="152037209" LSID="urn:lsid:zoobank.org:act:03C8E4C6-84A2-4868-9651-981E4FF3438E" httpUri="http://treatment.plazi.org/id/9F0C4A4E167D560634EFF6059768EAD2" lastPageId="35" lastPageNumber="36" pageId="32" pageNumber="33">
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<subSubSection pageId="32" pageNumber="33" type="nomenclature">
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<paragraph pageId="32" pageNumber="33">
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7.
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<taxonomicName LSID="urn:lsid:zoobank.org:act:03C8E4C6-84A2-4868-9651-981E4FF3438E" class="Insecta" family="Periscelididae" genus="Planinasus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Planinasus tobagoensis" order="Diptera" pageId="32" pageNumber="33" phylum="Arthropoda" rank="species" species="tobagoensis">Planinasus tobagoensis</taxonomicName>
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<taxonomicNameLabel pageId="32" pageNumber="33">sp. n.</taxonomicNameLabel>
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Figures 39-43
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</paragraph>
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</subSubSection>
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<subSubSection lastPageId="35" lastPageNumber="36" pageId="32" pageNumber="33" type="description">
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<paragraph pageId="32" pageNumber="33">Description of male.</paragraph>
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<paragraph pageId="32" pageNumber="33">Moderately small to medium-sized flies, body length 2.10-3.10 mm.</paragraph>
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<paragraph lastPageId="33" lastPageNumber="34" pageId="32" pageNumber="33">
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Head: Head ratio 0.53-0.56; frons mostly bare of microtomentum, shiny, except for densely microtomentose, velvet-like, anterolateral corner, blackish brown; frons much wider than long, frontal ratio 0.35-0.37; interfrontal seta long, length subequal to that of lateral vertical seta. Antenna blackish brown; pedicel with ventral projection moderately long, about 1/2 length of basal flagellomere; basal flagellomere long, length slightly more than twice basal width; arista bearing 13-14 dorsal rays, 3-4 ventral rays. Face very wide, facial ratio 0.81-0.83; face dorsad of transverse carina, including antennal grooves, mostly black to deep bluish black, face ventrad of transverse carina with broad mediovertical, black vitta, ventrolateral portion of face becoming progressively lighter in color, yellowish laterally; parafacial yellow; large facial setae 4-5 on each side, 2 medial, porrect to shallowly ventroclinate setae in vertical alig
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<pageBreakToken pageId="33" pageNumber="34" start="start">nment</pageBreakToken>
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, larger seta ventrad; next seta toward lateral margin dorsoclinate to inclinate, aligned with dorsal medial seta; next 2 lateral setae, more or less aligned vertically, both shallowly ventroclinate. Clypeus and palpus blackish brown. Gena concolorous with lateral margin of face.
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</paragraph>
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<paragraph lastPageId="34" lastPageNumber="35" pageId="33" pageNumber="34">
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Thorax: Mesonotum generally brownish black to deep bluish black, very thinly microtomentose, subshiny to mostly shiny; postpronotum dark brown with some yellowish coloration around margin; area from postpronotum and through notopleuron
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<pageBreakToken pageId="34" pageNumber="35" start="start">mostly</pageBreakToken>
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bare, finely microtomentose, dull to subshiny; pleural areas finely microtomentose, dull, blackish brown; anepisternum mostly bare except for 2-3 setulae along posterior margin; katepisternum generally setulose, bearing 2 setae toward dorsal margin. Wing without pattern, generally infumate, slightly more so anteriorly, base hyaline. Coxae and trochanters whitish yellow to yellow; femora and tibiae uniformly brownish black; forefemur with preapical, pale annulus lacking or weakly indicated; tarsi mostly yellowish, apical 1-2 tarsomeres becoming darker; forefemur bearing 1 seta at apical 1/3 along posteroventral surface.
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</paragraph>
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<paragraph lastPageId="35" lastPageNumber="36" pageId="34" pageNumber="35">
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Abdomen: Uniformly blackish brown to black, mostly shiny, very sparsely invested with microtomentum. Male abdomen: Tergites 1+2-6 well developed, lengths of tergites 3-6 subequal; tergite 7 narrow; sternites 3, 4, 5 generally as rectangular plates, slightly wider than long, lateral margins shallowly arched; no sternites 6, 7, neither segment forming an annulus. Male terminalia (Figs 39-42): Epandrium in lateral view (Fig. 39) trapezoidal, higher than wide, anterior and posterior margins nearly straight, dorsal margin short, length slightly less than surstylar width at base, slightly arched; surstylus as long as epandrium, in lateral view (Fig. 39) extended from ventral margin of epandrium in nearly vertical alignment with it, tapered, anterior margin arched, especially subapically, posterior margin shallow sinuous, apex acutely pointed, bearing 1 large, medial setula; hypandrium in ventral view (Fig. 40) more or less V-shaped,
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<pageBreakToken pageId="35" pageNumber="36" start="start">arms</pageBreakToken>
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in ventral view (Fig. 40) thin at attachment with epandrium, anterior margin thickened anteromedially, broadly pointed, forming a right angle; pregonite irregularly shaped, roughly diamond-shaped (Fig. 40); postgonite in ventral view (Fig. 40) convoluted, bearing lobe with setae, in lateral view (Fig. 42) lobe bearing 2 apical setulae; phallus in ventral view (Fig. 40) complex, mostly membranous, in lateral view (Fig. 42) thumb-like, bearing tiny setulae; phallapodeme in lateral and ventral views (Figs 40, 42) elongate, tubular, nearly straight, bluntly rounded apically; ejaculatory apodeme much reduced, length subequal to
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<normalizedToken originalValue="½">1/2</normalizedToken>
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length of phallapodeme, in lateral view (Fig. 41) with basal half enlarged, basal margin deeply incised, apical half narrow, rod-like, lacking fan-like process.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="35" pageNumber="36" type="description">
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<paragraph pageId="35" pageNumber="36">Description of female.</paragraph>
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<paragraph pageId="35" pageNumber="36">Same as male except as follows: Head: Head ratio 0.70-0.74; frontal ratio 0.43-0.45; face and antenna mostly blackish brown, lateral margin of face (immediately adjacent to parafacial) whitish yellow; face not as wide, facial ratio 0.43-0.45; face projected forward on ventral 1/2, bulbous, evenly arched transversely, shallowly arched vertically, mostly flat.</paragraph>
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<caption pageId="35" pageNumber="36">
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<paragraph pageId="35" pageNumber="36">
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Figures 39-42. Illustrations of
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<taxonomicName class="Insecta" family="Periscelididae" genus="Planinasus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Planinasus tobagoensis" order="Diptera" pageId="35" pageNumber="36" phylum="Arthropoda" rank="species" species="tobagoensis">Planinasus tobagoensis</taxonomicName>
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sp. n. (male). 39 epandrium, surstylus, lateral view 40 structures of internal male terminalia, ventral view 41 ejaculatory apodeme, lateral view 42 internal structures of male terminalia, lateral view. Scale bar = 0.1 mm.
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</paragraph>
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</caption>
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<caption pageId="35" pageNumber="36">
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<paragraph pageId="35" pageNumber="36">
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Figure 43. Distribution of
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<taxonomicName class="Insecta" family="Periscelididae" genus="Planinasus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Planinasus tobagoensis" order="Diptera" pageId="35" pageNumber="36" phylum="Arthropoda" rank="species" species="tobagoensis">Planinasus tobagoensis</taxonomicName>
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sp. n. (dots) and
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<taxonomicName class="Insecta" family="Periscelididae" genus="Planinasus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Planinasus flavicoxalis" order="Diptera" pageId="35" pageNumber="36" phylum="Arthropoda" rank="species" species="flavicoxalis">Planinasus flavicoxalis</taxonomicName>
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sp. n. (square).
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</paragraph>
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</caption>
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</subSubSection>
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<subSubSection pageId="35" pageNumber="36" type="type material">
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<paragraph pageId="35" pageNumber="36">Type material.</paragraph>
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<paragraph pageId="35" pageNumber="36">
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The holotype male is labeled "TOBAGO. St. John: Parlatuvier (
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<geoCoordinate direction="north" orientation="latitude" precision="925" value="11.3">11°18'N</geoCoordinate>
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,
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<geoCoordinate direction="west" orientation="longitude" precision="925" value="-60.65">60°39'W</geoCoordinate>
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), 14 Jun 1993, W.N. Mathis/USNM ENT 00118281 [plastic bar code label]/HOLOTYPE ♂
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<taxonomicName class="Insecta" family="Periscelididae" genus="Planinasus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Planinasus tobagoensis" order="Diptera" pageId="35" pageNumber="36" phylum="Arthropoda" rank="species" species="tobagoensis">Planinasus tobagoensis</taxonomicName>
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Mathis & Rung USNM [red]. The holotype is double mounted (minuten pin in a plastic block), is in excellent condition, and is deposited in the USNM. Seven paratypes (3♂, 4♀; USNM) bear the same locality data as the holotype but with dates from 20
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<normalizedToken originalValue="Apr–">Apr-</normalizedToken>
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14 Jun 1993, 1994. Other paratypes are as follows: TRINIDAD and TOBAGO. Tobago. St. John: Charlotteville (2 km S;
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<geoCoordinate direction="north" orientation="latitude" precision="925" value="11.316667">11°19'N</geoCoordinate>
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,
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<geoCoordinate direction="west" orientation="longitude" precision="925" value="-60.55">60°33'W</geoCoordinate>
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), 10 Jun 1993, W. N. Mathis (1♀; USNM). St. Paul: Argyle Falls (
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<geoCoordinate direction="north" orientation="latitude" precision="925" value="11.25">11°15'N</geoCoordinate>
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,
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<geoCoordinate direction="west" orientation="longitude" precision="925" value="-60.583332">60°35'W</geoCoordinate>
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), 21 Apr 1994, W. N. Mathis (1♂; USNM); Roxborough (6 km NNW;
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<geoCoordinate direction="north" orientation="latitude" precision="925" value="11.266666">11°16'N</geoCoordinate>
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,
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<geoCoordinate direction="west" orientation="longitude" precision="92" value="-60.59">60°35.4'W</geoCoordinate>
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), 20 Apr 1994, W. N. Mathis (1♂; USNM); Roxborough (6.5 km N;
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<geoCoordinate direction="north" orientation="latitude" precision="925" value="11.283334">11°17'N</geoCoordinate>
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,
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<geoCoordinate direction="west" orientation="longitude" precision="925" value="-60.583332">60°35'W</geoCoordinate>
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), 14 Jun 1993, W. N. Mathis (1♂; USNM). TRINIDAD. St. George: Mount St. Benedict (
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<geoCoordinate direction="north" orientation="latitude" precision="925" value="10.65">10°39'N</geoCoordinate>
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,
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<geoCoordinate direction="west" orientation="longitude" precision="925" value="-61.4">61°24'W</geoCoordinate>
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), 18-21 Jun 1993, W. N. Mathis (2♂, 1♀; USNM).
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</paragraph>
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</subSubSection>
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<subSubSection pageId="35" pageNumber="36" type="type locality">
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<paragraph pageId="35" pageNumber="36">Type locality.</paragraph>
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<paragraph pageId="35" pageNumber="36">
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Trinidad and Tobago. Tobago. St. John: Parlatuvier (
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<geoCoordinate direction="north" orientation="latitude" precision="92" value="11.298333">11°17.9'N</geoCoordinate>
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,
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<geoCoordinate direction="west" orientation="longitude" precision="925" value="-60.65">60°39'W</geoCoordinate>
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).
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</paragraph>
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</subSubSection>
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<subSubSection pageId="35" pageNumber="36" type="other specimens examined">
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<paragraph pageId="35" pageNumber="36">Other specimens examined.</paragraph>
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<paragraph pageId="35" pageNumber="36">
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ECUADOR. Orellana: Rio Tiputini Biodiversity Station (
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<geoCoordinate direction="south" orientation="latitude" precision="92" value="-0.63666666">0°38.2'S</geoCoordinate>
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,
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<geoCoordinate direction="west" orientation="longitude" precision="92" value="-76.14833">76°8.9'W</geoCoordinate>
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), 12-26 Aug 1999, A. Baptista, M. Kotrba, W. N. Mathis (1♀; ZSMC).
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</paragraph>
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<paragraph pageId="35" pageNumber="36">
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GUYANA. Kumu River and Falls (25 km SE Lethem in Kanuku Mountains;
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<geoCoordinate direction="north" orientation="latitude" precision="92" value="3.2649999">3°15.9'N</geoCoordinate>
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,
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<geoCoordinate direction="west" orientation="longitude" precision="92" value="-59.726665">59°43.6'W</geoCoordinate>
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), 28-30 Apr 1995, W. N. Mathis (1♀; USNM).
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</paragraph>
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</subSubSection>
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<subSubSection pageId="35" pageNumber="36" type="distribution">
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<paragraph pageId="35" pageNumber="36">Distribution</paragraph>
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<paragraph pageId="35" pageNumber="36">(Fig. 43). Neotropical: Ecuador (Orellana), Guyana, Trinidad and Tobago.</paragraph>
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</subSubSection>
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<subSubSection pageId="35" pageNumber="36" type="etymology">
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<paragraph pageId="35" pageNumber="36">Etymology.</paragraph>
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<paragraph pageId="35" pageNumber="36">The specific epithet, tobagoensis, is to recognize the island where the type locality is located.</paragraph>
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</subSubSection>
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<subSubSection pageId="35" pageNumber="36" type="remarks">
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<paragraph pageId="35" pageNumber="36">Remarks.</paragraph>
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<paragraph pageId="35" pageNumber="36">
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This species is known from northern South America, including Trinidad and Tobago. It keys out near
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<taxonomicName class="Insecta" family="Periscelididae" genus="Planinasus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Planinasus kotrbae" order="Diptera" pageId="35" pageNumber="36" phylum="Arthropoda" rank="species" species="kotrbae">Planinasus kotrbae</taxonomicName>
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. Besides the characters given in the key, it can be easily distinguished from that species by the absence of a basal process on the surstylus and a roughly diamond-shaped pregonite (roughly triangular in
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<taxonomicName class="Insecta" family="Periscelididae" genus="Planinasus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Planinasus kotrbae" order="Diptera" pageId="35" pageNumber="36" phylum="Arthropoda" rank="species" species="kotrbae">Planinasus kotrbae</taxonomicName>
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).
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</paragraph>
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</subSubSection>
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</treatment>
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</document> |