177 lines
19 KiB
XML
177 lines
19 KiB
XML
<document ID-ISSN="2305-2562" IM.bibliography_approvedBy="diego" IM.illustrations_approvedBy="diego" IM.materialsCitations_approvedBy="diego" IM.metadata_approvedBy="diego" IM.tables_requiresApprovalFor="GgImagineBatch" IM.taxonomicNames_approvedBy="diego" IM.treatmentCitations_approvedBy="diego" IM.treatments_approvedBy="diego" checkinTime="1683583598223" checkinUser="felipe" docAuthor="Londt, Jason G. H." docDate="2014" docId="26727556590C4261FED6AA00FD0A5440" docLanguage="en" docName="AfrInvertebr.55.2.269-322.pdf" docOrigin="African Invertebrates 55 (2)" docStyle="DocumentStyle:B78C63EC8CEBBB75364A82B35BB1F83D.3:AfrInvertebr.2008-2015.journal_article.0cover" docStyleId="B78C63EC8CEBBB75364A82B35BB1F83D" docStyleName="AfrInvertebr.2008-2015.journal_article.0cover" docStyleVersion="3" docTitle="Oligopogon nigripennis Engel & Cuthbertson 1937" docType="treatment" docVersion="2" lastPageNumber="299" masterDocId="DA4B0D2E5911427FFFA4AB6DFFE05526" masterDocTitle="A revision of Afrotropical Oligopogon Loew, 1847 (Diptera: Asilidae) with the description of eighteen new species" masterLastPageNumber="269" masterPageNumber="269" pageNumber="298" updateTime="1683648256535" updateUser="diego" zenodo-license-document="CC-BY-4.0">
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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 Afrotropical Oligopogon Loew, 1847 (Diptera: Asilidae) with the description of eighteen new species</mods:title>
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</mods:titleInfo>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Londt, Jason G. H.</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>African Invertebrates</mods:title>
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</mods:titleInfo>
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<mods:part>
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<mods:date>2014</mods:date>
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<mods:detail type="pubDate">
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<mods:number>2014-09-30</mods:number>
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</mods:detail>
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<mods:detail type="volume">
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<mods:number>55</mods:number>
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</mods:detail>
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<mods:detail type="issue">
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<mods:number>2</mods:number>
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</mods:detail>
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<mods:extent unit="page">
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<mods:start>269</mods:start>
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<mods:end>269</mods:end>
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</mods:extent>
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</mods:part>
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<mods:classification>journal article</mods:classification>
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<mods:identifier type="ISSN">2305-2562</mods:identifier>
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</mods:mods>
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<treatment LSID="urn:lsid:plazi:treatment:26727556590C4261FED6AA00FD0A5440" httpUri="http://treatment.plazi.org/id/26727556590C4261FED6AA00FD0A5440" lastPageId="30" lastPageNumber="299" pageId="29" pageNumber="298">
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<subSubSection box="[370,953,365,391]" pageId="29" pageNumber="298" type="nomenclature">
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<paragraph blockId="29.[370,953,365,391]" box="[370,953,365,391]" pageId="29" pageNumber="298">
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<heading box="[370,953,365,391]" centered="true" fontSize="11" level="2" pageId="29" pageNumber="298" reason="3">
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<taxonomicName ID-CoL="496TN" authority="Engel & Cuthbertson, 1937" authorityName="Engel & Cuthbertson" authorityYear="1937" box="[370,953,365,391]" class="Insecta" family="Asilidae" genus="Oligopogon" kingdom="Animalia" order="Diptera" pageId="29" pageNumber="298" phylum="Arthropoda" rank="species" species="nigripennis">
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<emphasis box="[370,639,365,391]" italics="true" pageId="29" pageNumber="298">Oligopogon nigripennis</emphasis>
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<bibRefCitation author="ENGEL, E. O. & CUTHBERTSON, A." box="[645,953,365,391]" pageId="29" pageNumber="298" pagination="1 - 15" refId="ref34689" refString="ENGEL, E. O. & CUTHBERTSON, A. 1937. On the biology of some Rhodesian Diptera, together with descriptions of three species of Asilidae new to science. Transactions of the Rhodesia Scientific Association 35 (1): 1 - 15." type="journal article" year="1937">Engel & Cuthbertson, 1937</bibRefCitation>
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</taxonomicName>
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</heading>
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</paragraph>
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</subSubSection>
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<subSubSection pageId="29" pageNumber="298" type="reference_group">
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<paragraph blockId="29.[181,1143,409,1676]" pageId="29" pageNumber="298">
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<treatmentCitationGroup pageId="29" pageNumber="298">
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<treatmentCitation author="ENGEL, E. O. & CUTHBERTSON, A." box="[181,726,409,432]" page="15" pageId="29" pageNumber="298" year="1937">
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<taxonomicName ID-CoL="496TN" authority="Engel & Cuthbertson, 1937: 14 - 15" authorityName="Engel & Cuthbertson" authorityPageNumber="14 - 15" authorityYear="1937" box="[181,726,409,432]" class="Insecta" family="Asilidae" genus="Oligopogon" kingdom="Animalia" order="Diptera" pageId="29" pageNumber="298" phylum="Arthropoda" rank="species" species="nigripennis">
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<emphasis box="[181,399,410,431]" italics="true" pageId="29" pageNumber="298">Oligopogon nigripennis</emphasis>
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<bibRefCitation author="ENGEL, E. O. & CUTHBERTSON, A." box="[405,726,409,432]" pageId="29" pageNumber="298" pagination="1 - 15" refId="ref34689" refString="ENGEL, E. O. & CUTHBERTSON, A. 1937. On the biology of some Rhodesian Diptera, together with descriptions of three species of Asilidae new to science. Transactions of the Rhodesia Scientific Association 35 (1): 1 - 15." type="journal article" year="1937">Engel & Cuthbertson, 1937: 14–15</bibRefCitation>
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</taxonomicName>
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</treatmentCitation>
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(fig. 9b antenna); Hull 1960: 212; Hull 1967: 238 (record); Oldroyd 1970: 295 (key); 1974: 123 (key); Oldroyd 1980: 370 (catalogue).
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</treatmentCitationGroup>
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</paragraph>
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</subSubSection>
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<subSubSection lastPageId="30" lastPageNumber="299" pageId="29" pageNumber="298" type="description">
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<paragraph blockId="29.[181,1143,409,1676]" box="[181,346,470,496]" pageId="29" pageNumber="298">Redescription:</paragraph>
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<paragraph blockId="29.[181,1143,409,1676]" pageId="29" pageNumber="298">
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<emphasis box="[181,241,510,536]" italics="true" pageId="29" pageNumber="298">Head</emphasis>
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: Dark red-brown, silver pruinose, dark red-brown and pale yellow setose.Antenna: Red-brown except for narrow orange-brown proximal end of postpedicel. Segmental ratios: 1: 1.0: 3.8:1.6 (scape, pedicel, postpedicel, style). Scape and pedicel of similar length, red-brown setose. Postpedicel laterally compressed in cross-section, tapering slightly distally. Style smaller in diameter to distal end of postpedicel, equipped with long red-brown setae distally (as illustrated by
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<bibRefCitation author="ENGEL, E. O. & CUTHBERTSON, A." box="[636,966,670,696]" pageId="29" pageNumber="298" pagination="1 - 15" refId="ref34689" refString="ENGEL, E. O. & CUTHBERTSON, A. 1937. On the biology of some Rhodesian Diptera, together with descriptions of three species of Asilidae new to science. Transactions of the Rhodesia Scientific Association 35 (1): 1 - 15." type="journal article" year="1937">Engel and Cuthbertson (1937)</bibRefCitation>
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– fig. 9b – some setae may have been broken off). Face, frons and vertex silver pruinose, mystax red-brown, ocellar macrosetae not evident. Occiput uniformly silver pruinose (
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<collectingRegion box="[995,1037,734,760]" country="South Sudan" name="Lakes" pageId="29" pageNumber="298">See</collectingRegion>
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<figureCitation box="[1042,1129,734,760]" captionStart="Fig" captionStartId="5.[181,214,1534,1556]" captionTargetBox="[219,1104,898,1480]" captionTargetId="figure-255@5.[219,1104,888,1492]" captionTargetPageId="5" captionText="Fig. 2. Diagrammatic representations of occipital patterns of pruinescence in Oligopogon species, black parts represent apruinose areas. (A) entirely pruinose condition found in many species, (B) tiny apruinose spot between dorsal eye margin and cervical region as found in some pollinosus Engel, 1932, (C) sub circular apruinose spot as found in platypteron sp. n., (D) elongate-oval apruinose area as found in ndumo sp. n., (E) large subtriangular apruinose area as found in many species (variable), (F) extensive triangular apruinose area as found in hemistego sp. n." pageId="29" pageNumber="298">Fig. 2A</figureCitation>
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), red-brown setose dorsally, pale yellow-white ventrally. Face to head width ratio in anterior view 1:4.9 (face much narrower than one eye). Proboscis short red-brown, straight, pale yellowish setose. Palpi minute, 2-segmented.
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</paragraph>
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<paragraph blockId="29.[181,1143,409,1676]" pageId="29" pageNumber="298">
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<emphasis box="[181,262,870,896]" italics="true" pageId="29" pageNumber="298">Thorax</emphasis>
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: Red-brown with paler parts, extensively silver and red-gold pruinose, red-brown and pale yellow setose. Mesonotum: Dark red-brown except for orange-brown postpronotal and postalar lobes, fairly uniformly pruinose except for postpronotal lobes and narrow strip between them. Macrosetae red-brown, poorly developed, 2 npl, 1 spal, 1pa, general setae short red-brown. Scutellum red-brown, extensively apruinose except for tiny lateral areas, fine red-brown setose. Pleura patchy red-brown and orange-brown, fairly uniformly silver pruinose.Anepimeron fine pale yellow setose, katatergal setae long pale yellow. Legs: Coxae orange-brown, silver pruinose, pale yellow setose.Trochanters orange-brown, pale yellow setose. Femora orange-brown, red-brown dorsally, pale yellowish setose. Tibiae red-brown, paler orange-brown proximally, yellow setose. Tarsi red-brown, yellow setose. Wings (
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<figureCitation box="[632,702,1190,1216]" captionStart="Figs 5–13" captionStartId="7.[181,220,1417,1439]" captionTargetBox="[208,1111,266,1395]" captionTargetId="figure-8@7.[193,1131,261,1395]" captionTargetPageId="7" captionText="Figs 5–13. Diagrammatic representations of conditions of microtrichial coverage of wings in Oligopogon species. (5) rossi sp. n. - almost complete coverage, (6) trichopteron sp. n. - extensive coverage, (7) nigripennis Engel & Cuthbertson, 1937, (8) hemistego sp. n. - coverage of much of distal ½ of wing, (9) zulu sp. n. - coverage limited to central regions of cells in distal ½ of wing, (10) mhlopeni sp. n. – coverage limited to central parts of a few distal cells, (11) hyacinthina (Bigot, 1876) – coverage limited to fairly broad band along distal margin of wing, (12) napaios sp. n. – coverage limited to a narrow band along distal margin of wing, (13) harlequini Oldroyd, 1970 – coverage limited to a few microtrichia adjacent to wing margin in cell r2+3. Note: The majority of species completely lack microtrichia." pageId="29" pageNumber="298">Fig. 7</figureCitation>
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): 5.8 ×
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<quantity box="[791,873,1190,1216]" metricMagnitude="-3" metricUnit="m" metricValue="2.3" pageId="29" pageNumber="298" unit="mm" value="2.3">2.3mm</quantity>
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. Membrane extensively microtrichose (although weakly in places), extensively pale brownish stained.
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</paragraph>
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<paragraph blockId="29.[181,1143,409,1676]" pageId="29" pageNumber="298">
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<emphasis box="[181,289,1263,1289]" italics="true" pageId="29" pageNumber="298">Abdomen</emphasis>
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: Terga shiny dark red-brown, posterior margins of terga orange-brown, entirely apruinose, entirely yellowish setose. Sterna dark red-brown, entirely gold-silver pruinose, pale yellow setose. Terminalia missing (
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<emphasis box="[739,792,1328,1353]" italics="true" pageId="29" pageNumber="298">Note</emphasis>
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: They may have been removed and mounted on a slide).
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</paragraph>
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<paragraph blockId="29.[181,1143,409,1676]" pageId="29" pageNumber="298">
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<typeStatus box="[181,226,1396,1417]" pageId="29" pageNumber="298">Type</typeStatus>
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material:
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<collectingCountry box="[319,446,1396,1417]" name="Zimbabwe" pageId="29" pageNumber="298">ZIMBABWE</collectingCountry>
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:
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<specimenCount box="[454,482,1396,1417]" pageId="29" pageNumber="298" type="male">1♂</specimenCount>
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‘
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<typeStatus box="[492,541,1396,1417]" pageId="29" pageNumber="298">Type</typeStatus>
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von /
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<taxonomicName authorityName="Loew" authorityYear="1847" box="[599,707,1396,1417]" class="Insecta" family="Asilidae" genus="Oligopogon" kingdom="Animalia" order="Diptera" pageId="29" pageNumber="298" phylum="Arthropoda" rank="genus">
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<emphasis box="[599,707,1396,1417]" italics="true" pageId="29" pageNumber="298">Oligopogon</emphasis>
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</taxonomicName>
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/
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<taxonomicName authorityName="Engel & Cuthbertson" authorityYear="1937" box="[726,829,1396,1417]" class="Insecta" family="Asilidae" genus="Oligopogon" kingdom="Animalia" order="Diptera" pageId="29" pageNumber="298" phylum="Arthropoda" rank="species" species="nigripennis">
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<emphasis box="[726,829,1396,1417]" italics="true" pageId="29" pageNumber="298">nigripennis</emphasis>
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</taxonomicName>
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/ Engel’ [orange], ‘J.E. Drysdale / collector’, ‘
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||
<quantity box="[284,359,1420,1442]" metricMagnitude="3" metricUnit="m" metricValue="1.6764" pageId="29" pageNumber="298" unit="ft" value="5500.0">5,500 ft</quantity>
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/ Vumba Mts. [
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||
<geoCoordinate box="[500,573,1420,1442]" degrees="19" direction="south" minutes="53" orientation="latitude" pageId="29" pageNumber="298" precision="925" value="-19.883333">19°53'S</geoCoordinate>
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||
<geoCoordinate box="[578,654,1420,1441]" degrees="31" direction="east" minutes="22" orientation="longitude" pageId="29" pageNumber="298" precision="925" value="31.366667">31°22'E</geoCoordinate>
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], S. Rhodesia, /
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<date box="[802,898,1420,1442]" pageId="29" pageNumber="298" value="1935-10-20">20.x.1935</date>
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’, ‘971 [accession number]’ (NMBZ).
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</paragraph>
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<paragraph blockId="29.[181,1143,409,1676]" pageId="29" pageNumber="298">
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<emphasis box="[181,224,1478,1499]" italics="true" pageId="29" pageNumber="298">Note</emphasis>
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: The specimen is missing the distal ½ of the left wing and the abdominal segments beyond segment 5. Other material examined: Hull (1967: 238) recorded
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<taxonomicName authorityName="Engel & Cuthbertson" authorityYear="1937" box="[653,756,1511,1532]" class="Insecta" family="Asilidae" genus="Oligopogon" kingdom="Animalia" order="Diptera" pageId="29" pageNumber="298" phylum="Arthropoda" rank="species" species="nigripennis">
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<emphasis box="[653,756,1511,1532]" italics="true" pageId="29" pageNumber="298">nigripennis</emphasis>
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</taxonomicName>
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from
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<collectingCountry box="[809,911,1510,1532]" name="Lesotho" pageId="29" pageNumber="298">Basutoland</collectingCountry>
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(=
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<collectingCountry box="[940,1015,1510,1532]" name="Lesotho" pageId="29" pageNumber="298">Lesotho</collectingCountry>
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) based on
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<specimenCount box="[1107,1136,1510,1531]" pageId="29" pageNumber="298" type="female">1♀</specimenCount>
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, lacking antennae, labelled ‘Mamalapi Mtn,
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<date box="[565,666,1534,1555]" pageId="29" pageNumber="298" value="1948-12-27">27.12.1948</date>
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(
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<emphasis box="[677,861,1534,1556]" italics="true" pageId="29" pageNumber="298">C. Jacot-Guillarmod</emphasis>
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)’. This specimen was identified by Dr S. W. Bromley and is in AMGS. Interestingly enough he went on to describe a new
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<taxonomicName authority="Loew, 1847" authorityName="Loew" authorityYear="1847" class="Insecta" family="Asilidae" genus="Holopogon" kingdom="Animalia" order="Diptera" pageId="29" pageNumber="298" phylum="Arthropoda" rank="genus">
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<emphasis box="[979,1081,1558,1579]" italics="true" pageId="29" pageNumber="298">Holopogon</emphasis>
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<bibRefCitation author="LOEW, H." pageId="29" pageNumber="298" pagination="384 - 568" refId="ref34937" refString="LOEW, H. 1847. Ueber die europaischen Raubfliegen (Diptera asilica) [part]. Linnaea Entomologica. 2: 384 - 568." type="journal article" year="1847">Loew, 1847</bibRefCitation>
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</taxonomicName>
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(i.e.
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<taxonomicName baseAuthorityName="Hull" baseAuthorityYear="1967" box="[277,390,1583,1604]" class="Insecta" family="Asilidae" genus="Ischiolobos" kingdom="Animalia" order="Diptera" pageId="29" pageNumber="298" phylum="Arthropoda" rank="species" species="niveoscutum">
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<emphasis box="[277,390,1583,1604]" italics="true" pageId="29" pageNumber="298">niveoscutum</emphasis>
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</taxonomicName>
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) based on
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<specimenCount box="[493,521,1582,1603]" pageId="29" pageNumber="298" type="male">1♂</specimenCount>
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with identical label data on the very next page (239). This species was subsequently transferred to
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<taxonomicName authority="Londt, 2005" authorityName="Londt" authorityYear="2005" box="[476,697,1606,1628]" class="Insecta" family="Asilidae" genus="Ischiolobos" kingdom="Animalia" order="Diptera" pageId="29" pageNumber="298" phylum="Arthropoda" rank="genus">
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<emphasis box="[476,581,1606,1627]" italics="true" pageId="29" pageNumber="298">Ischiolobos</emphasis>
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Londt, 2005
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</taxonomicName>
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(Londt 2005). I have now studied the Mamalapi female, as well as a series of specimens in the DMSA and USNM from ‘Little Bokong R. /
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<collectingCountry box="[1010,1112,1630,1652]" name="Lesotho" pageId="29" pageNumber="298">Basutoland</collectingCountry>
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/
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<date pageId="29" pageNumber="298" value="1947-01-04">4 Jan 1947</date>
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/ L. Bevis’ also identified by Bromley, in 1949, as
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<taxonomicName authorityName="Engel & Cuthbertson" authorityYear="1937" box="[731,834,1655,1676]" class="Insecta" family="Asilidae" genus="Oligopogon" kingdom="Animalia" order="Diptera" pageId="29" pageNumber="298" phylum="Arthropoda" rank="species" species="nigripennis">
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<emphasis box="[731,834,1655,1676]" italics="true" pageId="29" pageNumber="298">nigripennis</emphasis>
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</taxonomicName>
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which should also be assigned to
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</paragraph>
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<paragraph blockId="30.[144,1104,203,250]" pageId="30" pageNumber="299">
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<taxonomicName authority="(Hull, 1967)" baseAuthorityName="Hull" baseAuthorityYear="1967" box="[144,490,203,225]" class="Insecta" family="Asilidae" genus="Ischiolobos" kingdom="Animalia" order="Diptera" pageId="30" pageNumber="299" phylum="Arthropoda" rank="species" species="niveoscutum">
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<emphasis box="[144,367,203,225]" italics="true" pageId="30" pageNumber="299">Ischiolobos niveoscutum</emphasis>
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(Hull, 1967)
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</taxonomicName>
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. Based on this evidence it cannot be accepted that
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<taxonomicName authorityName="Engel & Cuthbertson" authorityYear="1937" box="[955,1058,204,225]" class="Insecta" family="Asilidae" genus="Oligopogon" kingdom="Animalia" order="Diptera" pageId="30" pageNumber="299" phylum="Arthropoda" rank="species" species="nigripennis">
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<emphasis box="[955,1058,204,225]" italics="true" pageId="30" pageNumber="299">nigripennis</emphasis>
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</taxonomicName>
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is to be found in
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<collectingCountry box="[253,329,228,250]" name="Lesotho" pageId="30" pageNumber="299">Lesotho</collectingCountry>
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.
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</paragraph>
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<paragraph blockId="30.[144,1103,268,358]" pageId="30" pageNumber="299">
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Distribution (
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<tableCitation box="[295,381,268,294]" captionStart="TABLE 1" captionStartId="10.[776,847,524,546]" captionText="TABLE 1 (continued) Afrotropical distribution of Oligopogon species by region and country.Abbreviations:A –Angola,Bo – Botswana, Bu – Burundi, C – DR Congo, Ga – The Gambia, Gh – Ghana, I – Ivory Coast, IOI = Indian Ocean Islands, K – Kenya,L – Lesotho, Ma – Malawi, Md – Madagascar, Mo – Mozambique, Na – Namibia, Ni – Nigeria, Se – Senegal, SE – Sudan/Egypt, So – South Africa, Sw – Swaziland, T – Tanzania, Za – Zambia, Zi – Zimbabwe. ■ = Recorded type locality. ● = Recorded." pageId="30" pageNumber="299">Table 1</tableCitation>
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), phenology (Table 2) and biology: Known only from the
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<typeStatus box="[1055,1103,268,294]" pageId="30" pageNumber="299">type</typeStatus>
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locality in eastern
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<collectingCountry box="[343,466,300,326]" name="Zimbabwe" pageId="30" pageNumber="299">Zimbabwe</collectingCountry>
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. Collected in October. Details of the habitat are not known but the darkish wings suggest a forest margin species.
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</paragraph>
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</subSubSection>
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</treatment>
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</document> |