Oligopogon kochi, Londt, 2014

Londt, Jason G. H., 2014, A revision of Afrotropical Oligopogon Loew, 1847 (Diptera: Asilidae) with the description of eighteen new species, African Invertebrates 55 (2), pp. 269-269 : 293-294

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Oligopogon kochi

sp. nov.

Oligopogon kochi View in CoL sp. n.

Fig. 2A

Etymology: Named for the collector Dr Frank Koch, curator of Hymenoptera, Museum für Naturkunde, Berlin, who has collected extensively in southern Africa.


Head: Dark red-brown, red-gold and silver pruinose, extensively brown and white setose. Antenna: Dark red-brown. Segmental ratios: 1:1.0:3.4:1.8 (scape, pedicel, postpedicel, style). Scape and pedicel of similar development, yellowish setose. Postpedicel circular in cross-section, parallel sided, tapering distally. Style short, of similar diameter to distal end of postpedicel, equipped with long brown setae projecting from all surfaces. Face silver pruinose, frons and vertex red-gold pruinose, mystax brown, ocellar macrosetae red-brown. Occiput uniformly silver pruinose (See Fig. 2A), pale yellow and white setose. Face to head width ratio in anterior view 1:3.9 (face narrower than one eye). Proboscis dark red-brown, straight, white setose. Palpi minute, 2-segmented, white setose. Thorax: Dark red-brown to black, extensively gold and silver pruinose, pale yellow setose. Mesonotum: Extensively pruinose with following apruinose areas: postpronotal lobes, large lateral area anterior to transverse suture, extensive area postsuture that extends to much of postalar lobe, pair broad medial stripes extending almost to anterior margin, but falling far short of posterior margin. 2 yellow npl (other macrosetae weakly developed), general setae longish pale yellow. Scutellum dark red-brown, largely apruinose except for small anteromedial area, fine white setose (apical macrosetae poorly differentiated). Pleura uniformly strongly silver pruinose. Katatergal setae pale yellow. Legs: Coxae red-brown, silver pruinose, white setose. Trochanters brown-orange, pale yellow-white setose. Femora uniformly orange, yellow setose. Tibiae and tarsi orange, mixed red-brown and yellow setose. Wings: 3.0 × 1.1 mm (holotype). Veins yellow. Membrane transparent, unstained, entirely lacking microtrichia.

Abdomen: Terga red-brown to orange, largely apruinose except for silver pruinose anterolateral margins, white setose. Sterna red-brown, extensively silver pruinose except for apruinose areas laterally at midlength and medially on posterior margins, white setose. Terminalia orange (♂), red-brown (♀).

Holotype: NAMIBIA: 1♂ ‘Namibia Ombuku/ 17°07’S / 13°22'E / Kaokoveld 24.ii.–2.iii./ 1995 leg. F.Koch’ ( ZMHB) GoogleMaps . Paratypes: NAMIBIA: 2♂ 1♀ same data as holotype ( ZMHB, NMSA 1♂) GoogleMaps ; 1♀ ‘ Namibia Ombuku / 16°59’S / 13°22'E / 25.ii.1995 / leg. F. Koch’ ( ZMHB) GoogleMaps .

Distribution ( Table 1), phenology (Table 2) and biology: Known only from the type locality in Namibia. Collected at the end of February and early March. The habitat is almost certainly open woodland savanna.


KwaZulu-Natal Museum













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