157 lines
17 KiB
XML
157 lines
17 KiB
XML
<document id="E5DE62034A1B2F009F766BBB7A9EA1C3" ID-DOI="http://dx.doi.org/10.3897/AfrInvertebr.57.8696" ID-GBIF-Dataset="dffce400-a1b8-4e08-863a-5082c6745bf2" ID-Pensoft-Pub="2305-2562-1-67" ID-ZooBank="17A94A5084C2469DAE1DA9E2A78C502B" ModsDocAuthor="" ModsDocDate="2016" ModsDocID="2305-2562-1-67" ModsDocOrigin="African Invertebrates 57 (1)" ModsDocTitle="A review of the genus Gibbasilus Londt, 1986 in southern Africa (Diptera, Asilidae)" checkinTime="1468017305404" checkinUser="pensoft" docAuthor="Londt, Jason G. H." docDate="2016" docId="C1362BE46110A753780AA4A998C3D94E" docLanguage="en" docName="AfrInvert 57(1): 67-81" docOrigin="African Invertebrates 57 (1)" docSource="http://dx.doi.org/10.3897/AfrInvertebr.57.8696" docTitle="Gibbasilus crinitus Londt, 2016, sp. n." docType="treatment" docUuid="5C15CE4B-D8F6-44BA-B801-9DC676F0AA8A" docUuidSource="ZooBank" docVersion="7" lastPageNumber="79" masterDocId="2A2BBE684276A033A53B5268FFFF2036" masterDocTitle="A review of the genus Gibbasilus Londt, 1986 in southern Africa (Diptera, Asilidae)" masterLastPageNumber="81" masterPageNumber="67" pageNumber="77" updateTime="1701315758028" updateUser="plazi">
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<mods:title id="A8D398EE6569771AF246967D014CF331">A review of the genus Gibbasilus Londt, 1986 in southern Africa (Diptera, Asilidae)</mods:title>
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<mods:name id="904173BCFB09CB1508E3766CF1208AD5" type="personal">
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<mods:namePart id="2124AEB30C5495809A51BB428ED7C83E">Londt, Jason G. H.</mods:namePart>
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<mods:title id="573E490480A8DE823AEE931EF5E169E5">African Invertebrates</mods:title>
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</mods:titleInfo>
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<mods:part id="0734F6A02669021DBF6EE5F1C38DEE06">
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<mods:date id="230C68655EEEF49FAE27C685A5B5E634">2016</mods:date>
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<mods:number id="700BBC2E5817180F5CF3557FAA8CEBE5">57</mods:number>
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<mods:number id="6C0D7F22D3609E2871745A2FCE91587B">1</mods:number>
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<mods:end id="8340D60D81D2589CEEB5235661273C42">81</mods:end>
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<mods:url id="5EF7E7A31E66A53AE55B1D6251C056B8">http://dx.doi.org/10.3897/AfrInvertebr.57.8696</mods:url>
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<mods:classification id="F1362F90D30D68FC1353006CE21D87A4">journal article</mods:classification>
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<mods:identifier id="00F38404DC6C050F0BD18B85A9557AA5" type="DOI">http://dx.doi.org/10.3897/AfrInvertebr.57.8696</mods:identifier>
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<mods:identifier id="1B7799AD04367505A8F0E164A9E012EC" type="Pensoft-Pub">2305-2562-1-67</mods:identifier>
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<mods:identifier id="91625610E07FD9F349E40600D3441843" type="ZooBank">17A94A5084C2469DAE1DA9E2A78C502B</mods:identifier>
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<treatment id="C1362BE46110A753780AA4A998C3D94E" ID-GBIF-Taxon="127879935" LSID="urn:lsid:zoobank.org:act:5C15CE4B-D8F6-44BA-B801-9DC676F0AA8A" httpUri="http://treatment.plazi.org/id/C1362BE46110A753780AA4A998C3D94E" lastPageId="12" lastPageNumber="79" pageId="10" pageNumber="77">
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<subSubSection id="306A9E11E9322BF3301DDD2ACD0254A2" pageId="10" pageNumber="77" type="multiple">
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<paragraph id="D8F6B12A25EA15CE56E1357C0CBF487A" pageId="10" pageNumber="77">
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<pageBreakToken id="0CBCE5999CDCE2864D7A4DA166092B89" pageId="10" pageNumber="77" start="start">Taxon</pageBreakToken>
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classification Animalia Diptera Asilidae
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</paragraph>
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</subSubSection>
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<subSubSection id="64463A08B9391D19CBA407E275BFDEA9" pageId="10" pageNumber="77" type="nomenclature">
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<paragraph id="B8C59E9655C66872CD922AFFFA309C03" pageId="10" pageNumber="77">
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<taxonomicName id="D91DEB4A1F3D8C6D0B733A18747C432E" LSID="http://zoobank.org/5C15CE4B-D8F6-44BA-B801-9DC676F0AA8A" class="Insecta" family="Asilidae" genus="Gibbasilus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Gibbasilus crinitus" order="Diptera" pageId="10" pageNumber="77" phylum="Arthropoda" rank="species" species="crinitus">Gibbasilus crinitus</taxonomicName>
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<taxonomicNameLabel id="60A98DBC24B74EB54F62E2024CF8FDEA" pageId="10" pageNumber="77">sp. n.</taxonomicNameLabel>
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Figs 1, 10, 15, 16-19, 20A
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</paragraph>
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</subSubSection>
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<subSubSection id="698DD1B291967B521076A009B634D61A" pageId="10" pageNumber="77" type="etymology">
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<paragraph id="3D6F73B578497B100445ED55EAA2B027" pageId="10" pageNumber="77">Etymology.</paragraph>
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<paragraph id="5A583B9C5B6E840D165282BDBE5195FB" pageId="10" pageNumber="77">
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L. m.
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<taxonomicName id="E1B3D3D86D61B52002AB007DD5311A6B" lsidName="crinitus" pageId="10" pageNumber="77" rank="species" species="crinitus">crinitus</taxonomicName>
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- hairy; refers to the mediodistal cluster of black setae found on S8.
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</paragraph>
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</subSubSection>
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<subSubSection id="40A004A2291141BB7C604700C7BD0F6F" lastPageId="11" lastPageNumber="78" pageId="10" pageNumber="77" type="description">
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<paragraph id="F8A2599A96CC12823368ADA5C725AEAC" pageId="10" pageNumber="77">Description.</paragraph>
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<paragraph id="E3BBF4DFD3EF606C352E3CFD006C3F17" pageId="10" pageNumber="77">Based on type series consisting of 5♂ 3♀.</paragraph>
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<paragraph id="F24589CA75FF0B81A0A5EA6AFAFFC640" pageId="10" pageNumber="77">Head: Black, fine silver pruinose, black and white setose. Antenna: Black, fine silver pruinose, scape and pedicel black setose. Segmental ratios (scape as 1) = 1: 0.6: 1.5: 0.7 (elements of style = 0.2, 0.4, 0.1). Style composed of three elements (small basal segment-like element, long middle rod-like element, terminal seta-like sensory element). Face black, silver pruinose, profile plane. Mystax long, well-developed, extending from epistomal margin to antennal sockets, macrosetae black (laterally) and white (centrally) down entire depth of face. Frons and vertex black, weakly silver pruinose, fine, long, black setose. Ocellar tubercle with long, fine, black setae. Postocular (occipital) region black, silver pruinose, mostly black setose dorsally, white laterally and ventrally. Palpi 2-segmented, segment 1 white setose, 2 black setose. Proboscis shiny black, fine white setose.</paragraph>
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<paragraph id="37574DB3F42744242499487703CCDA5D" pageId="10" pageNumber="77">
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Thorax: Dark red-brown to black, silver pruinose, black, pale yellow and white setose. Pronotum dark red-brown to black, white setose. Mesonotum black, entirely fine silver pruinose. Acrostichals numerous, mane-like, predominantly black except for a few white setae anteriorly and a cluster of fine white setae posteriorly. Dorsocentrals well-developed, black, extending both anterior and posterior of transverse suture. Mesonotal macrosetae: Strong, pale yellow, 2 npl, 2 spal, 1 pal. Scutellum black, entirely dull silver pruinose; disc fine white setose, 2 long, pale yellow apical macrosetae. Pleura: Dark red-brown to black, entirely dull silver pruinose, white setose. Katatergal setae weak, white. Anatergites uniformly dull silver pruinose, asetose. Mediotergite fine white setose medially. Legs: Coxae Dark red-brown to black, fine, dull silver pruinose, fine white setose. Trochanters shiny black, apruinose, fine white setose. Femora slightly inflated, entirely dark red-brown to black, macrosetae mostly black (except for a few pale orange anterodorsally on mes- and metathoracic femora). Tibiae orange except for dark red-brown to black distal quarter, macrosetae mostly black (a few orange). Tarsi dark red-brown with black macrosetae (except for a few yellow on Tar 1). Claws dark red-brown to black, pulvilli and empodia well developed, brown. Wings: ♂ 7.2 (6.3-7.7)
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<normalizedToken id="435ED1ACA97D2DFD48E530DD7850C3B0" originalValue="×">x</normalizedToken>
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2.4 (2.1-2.6) mm, ♀ 6.6 (6.2-7.3)
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<normalizedToken id="9C11AA09D051F74A2523EFB1B96D7EBF" originalValue="×">x</normalizedToken>
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2.1 (2.1-2.2) mm. Veins dark red-brown to black, cells r1, m3, and cua closed and stalked, membrane unstained, entirely transparent except for slight opaqueness resulting from presence of microtrichia primarily distally and broadly along hind margins. Halter pale yellow to orange.
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</paragraph>
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<paragraph id="CDE8983423250767924C6B968345F0BE" pageId="10" pageNumber="77">Abdomen: Entirely dark red-brown to black, extensively dull silver pruinose, weakly along lateral margins of T2-4 and S2-4 which are shiny apruinose. Terga fine short white setose except for narrow mid-dorsal strip of tiny black setae, T1-5 with 2-3 laterally situated pale yellow, weak macrosetae (progressively diminishing in size towards terminalia). Sterna fine, longish setose.</paragraph>
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<paragraph id="9C1661A4DC9EA8E07C95BF9A1531743A" pageId="11" pageNumber="78">
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<pageBreakToken id="A16F94C44EB6AEE930A262D97F5C8887" pageId="11" pageNumber="78" start="start">Abdomen</pageBreakToken>
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: Entirely dark red-brown to black, extensively dull silver pruinose, except lateral margins of T2-3 which are shiny apruinose. Terga fine short white setose, T1-4 with 1-2 laterally situated pale yellow macrosetae (progressively diminishing in size towards terminalia). Sterna fine, longish setose. ♂ genitalia (Figs 16-19): Epandrium three times longer than deep in lateral view, with widest part at approximately mid-length; fairly broadly rounded distally; converging slightly subapically in dorsal view. Gonocoxite one-third as long as epandrium, smoothly rounded distally. Gonostylus elongate almost half the length of epandrium, broad basally in ventral view, tapering distally to an upwardly directed process seen in lateral view. Hypandrium short, about half as long as gonocoxite in lateral view, posterior margin slightly indented medially. Aedeagus long and thin, S-shaped distally, terminating in a 3-pronged tip. Posterior margin of S8 with a medial, rounded swelling bearing a row of fairly long black setae. ♀ ovipositor (Fig. 10): Elongate, laterally compressed and knife-like. Length: depth ratio = 4.7: 1.
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</paragraph>
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<caption id="BD5F68A4B10786579543DC0BE40C9F90" pageId="11" pageNumber="78">
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<paragraph id="1AA237B55BE5D2A7BDD33FDDCD5745BA" pageId="11" pageNumber="78">
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Figures 16-19.
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<taxonomicName id="ACD8891A7EFD5F9D3DAC1B30EE45CA18" class="Insecta" family="Asilidae" genus="Gibbasilus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Gibbasilus crinitus" order="Diptera" pageId="11" pageNumber="78" phylum="Arthropoda" rank="species" species="crinitus">Gibbasilus crinitus</taxonomicName>
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sp. n. ♂ terminalia, lateral (16), dorsal (17), ventral (18), detail of gonostylus and aedeagus (19).
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</paragraph>
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</caption>
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</subSubSection>
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<subSubSection id="C570657C703A4AEF076AF57E12AC5B14" pageId="11" pageNumber="78" type="holotype">
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<paragraph id="44102994F92BF3D173A586A3F5E3E635" pageId="11" pageNumber="78">Holotype.</paragraph>
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<paragraph id="C0D3473694DD58D18FC281755C281DEE" pageId="11" pageNumber="78">
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SOUTH AFRICA: 1♂ "South Africa W Cape / Kagga Kamma Nat. Res. /
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<geoCoordinate id="0B0F6F486A5DDBAE80C708D7BFF6073E" direction="south" orientation="latitude" precision="15" value="-32.753334">32°45'12"S</geoCoordinate>
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,
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<geoCoordinate id="9C254719D44F3D0E7C42835F12DBC848" direction="east" orientation="longitude" precision="15" value="19.573057">019°34'23"E</geoCoordinate>
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/ J&A Londt 12.xi.2015 / 1080 m Sandy vynbos" (NMSA).
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</paragraph>
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</subSubSection>
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<subSubSection id="6A64FD32265142F13E4F48773E7D9F6D" pageId="11" pageNumber="78" type="paratypes">
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<paragraph id="7B0CE203E31AD802B75856216101D08C" pageId="11" pageNumber="78">Paratypes.</paragraph>
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<paragraph id="3CFDA656CF7BBA037B3559EC15D8DD9F" pageId="11" pageNumber="78">
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SOUTH AFRICA: 2♂ 1♀ "South Africa, C.P. / Clanwilliam,
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<geoCoordinate id="7D4E76F97D4253AE6F966BF2B656A53A" direction="south" orientation="latitude" precision="925" value="-32.166668">32°10'S</geoCoordinate>
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,
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<geoCoordinate id="D6EDB535D7477390DE6ABBB140A6B16D" direction="east" orientation="longitude" precision="925" value="18.883333">18°53'E</geoCoordinate>
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. 30.ix.1986 / M.W. Mansell & J.H. / Hoffmann", "Collected / at light" (NMSA);# 1♂ 1♀ with identical label data as holotype (NMSA); 1♂ 1♀ "South Africa W Cape / 13 km S Kagga Kamma /
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<geoCoordinate id="71C7554B721646731ACA2999B4BDF00B" direction="south" orientation="latitude" precision="15" value="-32.82833">32°49'42"S</geoCoordinate>
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,
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<geoCoordinate id="D6789FBB0DD6F037130C2FD68003438C" direction="east" orientation="longitude" precision="15" value="19.625555">019°37'32"E</geoCoordinate>
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/ J&A Londt 8.xi.2015 / 1270 m Rocky, restios" (NMSA).
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</paragraph>
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</subSubSection>
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<subSubSection id="F597033881CB27468681B45CAA8E00D7" lastPageId="12" lastPageNumber="79" pageId="11" pageNumber="78" type="remarks">
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<paragraph id="A66E45F756E0FD7B6B235F40410BADED" pageId="11" pageNumber="78">Remarks.</paragraph>
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<paragraph id="13A0A830DD7CA4FA43FD8B482CD09D21" lastPageId="12" lastPageNumber="79" pageId="11" pageNumber="78">
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This species bears a strong resemblance to
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<taxonomicName id="B99E882BD708287831B322B0AF85E4F3" lsidName="arenaceus" pageId="11" pageNumber="78" rank="species" species="arenaceus">arenaceus</taxonomicName>
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, but can be separated from that species on features of the male terminalia (mainly on the well-developed black setae found along the posterior margin of S8). While
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<taxonomicName id="157ED705D4F6ACEA3F1A004EFCFA485A" lsidName="crinitus" pageId="11" pageNumber="78" rank="species" species="crinitus">crinitus</taxonomicName>
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sp. n. may
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<pageBreakToken id="3068E591AE4C66B0F31B49FD05FCF07A" pageId="12" pageNumber="79" start="start">eventually</pageBreakToken>
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prove to be a variant of
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<taxonomicName id="7476E41306525DC6A2270FF9C60E5050" lsidName="arenaceus" pageId="12" pageNumber="79" rank="species" species="arenaceus">arenaceus</taxonomicName>
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there is presently insufficient material to verify that possibility. It should be noted that the material collected at Clanwilliam was recorded previously by
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<bibRefCitation id="5F4E8247DF9FB9F51B21F22C45B1BF95" author="Londt, JGH" journalOrPublisher="Annals of the Natal Museum" pageId="13" pageNumber="80" pagination="1 - 17" title="Afrotropical Asilidae (Diptera) 19 - New species and records of Synolcus Loew, 1858 and Gibbasilus Londt, 1986 (Diptera: Asilidae: Asilinae)." volume="31" year="1990">Londt (1990)</bibRefCitation>
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under the name
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<taxonomicName id="18DBC3AE2719B088DA29613AFBF1FA31" lsidName="arenaceus" pageId="12" pageNumber="79" rank="species" species="arenaceus">arenaceus</taxonomicName>
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.
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</paragraph>
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</subSubSection>
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<subSubSection id="E32587B94401C3A49CA3D9077198ECA0" pageId="12" pageNumber="79" type="distribution">
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<paragraph id="2B01FF166371634F8A1EE0E3DAE866B9" pageId="12" pageNumber="79">Distribution (Fig. 20A), phenology (Table 1) and biology.</paragraph>
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<paragraph id="3EEC787B2B654380A80583F77AEACD4F" pageId="12" pageNumber="79">
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Known only from three localities. Collected in September and November. Specimens collected by me were taken resting on the stems of an unidentified species of
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<taxonomicName id="144B079B4FACE30EE9E4F126A2D10482" family="Restionaceae" lsidName="" pageId="12" pageNumber="79" rank="family">Restionaceae</taxonomicName>
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or sunning themselves on rocks. The species being found sympatrically with
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<taxonomicName id="8283978657E9A20868DEE7CC91D143FE" lsidName="condylus" pageId="12" pageNumber="79" rank="species" species="condylus">condylus</taxonomicName>
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, the general habitat being illustrated in Fig. 15.
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</paragraph>
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<caption id="741FF9EE6E249BB41748158F3D19FC72" pageId="12" pageNumber="79">
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<paragraph id="B3442BF1360229FD42E13C5B01AF9BF5" pageId="12" pageNumber="79">
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Figures 20.
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<taxonomicName id="5DEA070B25FFF638B5A018D83D4D5E7C" class="Insecta" family="Asilidae" genus="Gibbasilus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Gibbasilus" order="Diptera" pageId="12" pageNumber="79" phylum="Arthropoda" rank="genus">Gibbasilus</taxonomicName>
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maps of distribution. A
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<taxonomicName id="A088173CC7D6DC0D9F5D6801CADB9903" lsidName="arenaceus" pageId="12" pageNumber="79" rank="species" species="arenaceus">arenaceus</taxonomicName>
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(●),
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<taxonomicName id="42E64317F8DD72AD9AACC8A38F573B22" lsidName="centrolobus" pageId="12" pageNumber="79" rank="species" species="centrolobus">centrolobus</taxonomicName>
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(■),
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<taxonomicName id="71BD706F783B6E380D2633E02BD6D30C" lsidName="crinitus" pageId="12" pageNumber="79" rank="species" species="crinitus">crinitus</taxonomicName>
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sp. n. (▲) B
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<taxonomicName id="4405AC5F7120C226158FA7ADF44449FD" lsidName="alboala" pageId="12" pageNumber="79" rank="species" species="alboala">alboala</taxonomicName>
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(●),
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<taxonomicName id="44745254E1E1EEE70A8A651B5FC37D1F" lsidName="brevicolis" pageId="12" pageNumber="79" rank="species" species="brevicolis">brevicolis</taxonomicName>
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(■),
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<taxonomicName id="3FF3801598146C95DE591BA0AE009376" lsidName="condylus" pageId="12" pageNumber="79" rank="species" species="condylus">condylus</taxonomicName>
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sp. n. (▲).
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</paragraph>
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</caption>
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</subSubSection>
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</treatment>
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</document> |