Oligopogon eburacta, 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 : 285-286

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Oligopogon eburacta

sp. nov.

Oligopogon eburacta View in CoL sp. n.

Fig. 2E

Etymology: From Latin ebur (of ivory) and acta f. (seashore, coast). In reference to the type locality of Ivory Coast ( Cȏte d’Ivoire).


Head: Dark red-brown to black, dull gold-silver pruinose, extensively black setose. Antenna: Dark red-brown. Segmental ratios: 1:1.0:3.0:2.8 (scape, pedicel, postpedicel, style). Scape and pedicel of similar development, black setose. Postpedicel circular in cross-section, tapering distally. Style of similar diameter to distal end of postpedicel, equipped with long black setae projecting from all surfaces. Face, frons and vertex dull gold-silver pruinose, mystax black, ocellar macrosetae black. Occiput dull silver pruinose except for two large subtriangular apruinose areas between dorsal eye margin and cervical region (see Fig. 2E), black setose dorsally, white ventrally. Face to head width ratio in anterior view 1:4.1 (face much narrower than one eye). Proboscis dark red-brown, straight, white setose. Palpi minute, 2-segmented, white setose.

Thorax: Dark red-brown to black, extensively red-gold and silver pruinose, black, pale yellow and white setose. Mesonotum: Extensively pruinose with following apruinose areas: small part of postpronotal lobe, small lateral area anterior to transverse suture, large area occupying much of posterior region, pair broad medial stripes that coalesce with posterior area. 2 black npl (other macrosetae poorly developed), general setae longish dark red-brown. Scutellum dark red-brown, entirely apruinose, fine dark red-brown setose (apical macrosetae poorly differentiated). Pleura uniformly silver pruinose. Katatergal setae pale yellow-white. Legs: Entirely dark red-brown.Coxae silver pruinose, whitish setose. Trochanters white setose. Femora mixed dark red-brown and white setose. Tibiae and tarsi mostly dark red-brown setose. Wings: 2.6 × 1.0 mm (holotype). Veins brown. Membrane transparent, unstained, entirely lacking microtrichia.

Abdomen:Terga dark red-brown, largely apruinose except for silver pruinose anterolateral margins, white setose. Sterna dark red-brown, entirely silver-gold pruinose, white setose. ♂ and ♀ terminalia dark red-brown.

Holotype: COTE D’IVOIRE: 1♂ ‘ Cote D’Ivoire: Comoé / Nat. Park. Kakpin / Camp 16–18.iv.1989 / 08°40’N: 03°12’W / JGH Londt Malaise / and savanna woodland’ ( NMSA). GoogleMaps

Paratype: COTE D’IVOIRE: 1♂ same data as holotype GoogleMaps .

Other material examined: KENYA: 1♀ Voi [03°23'S 38°34'E], 13–19.xi. 2011, 750 m, Snižek, Sagala env. [environs] GoogleMaps ; 2♀ E of Mwingi [00°56'S 38°03'E] W of Nguni , xii.2010, Snižek GoogleMaps .

Note: The Kenyan material closely resembles type material but is excluded from the type series as it is in poor condition and identification requires confirmation.

Distribution ( Table 1), phenology (Table 2) and biology: Known with certainty at the type locality in West Africa. Collected at the type locality in April, but Kenyan material apparently collected during November and December. The type specimens were found in savanna woodland.


KwaZulu-Natal Museum













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