. Annals of the South African Museum = Annale van die Suid-Afrikaanse Museum. Natural history. REVISION OF THE BOMBYLIIDAE (DIPTERA) OF SOUTHERN AFRICA 847 mira (cf. text-fig. 233), but differs in many respects; basal parts with a pair of projecting processes (not one) dorsally, composed of stout spine- like setae; aedeagal process also flattened, but with the apical edge recurved ventrally and also ending in a short spine-like process on each side; lateral struts and basal strut also broad. From 3 o^ and 5 $$ (types and paratypes in the South African Museum). Length of body: about 7-10 mm. Le


. Annals of the South African Museum = Annale van die Suid-Afrikaanse Museum. Natural history. REVISION OF THE BOMBYLIIDAE (DIPTERA) OF SOUTHERN AFRICA 847 mira (cf. text-fig. 233), but differs in many respects; basal parts with a pair of projecting processes (not one) dorsally, composed of stout spine- like setae; aedeagal process also flattened, but with the apical edge recurved ventrally and also ending in a short spine-like process on each side; lateral struts and basal strut also broad. From 3 o^ and 5 $$ (types and paratypes in the South African Museum). Length of body: about 7-10 mm. Length of wing: about 71— 1 o mm. Locality: South-West Africa (Kaokoveld): Kaross (Mus. Exp., Feb. 1925) (holotype); Warmbad (Mus. Exp., Feb. 1925) (allotype); Zesfontein (Mus. Exp., Feb. 1925). Exoprosopa b aliopter a-section Characterized by having the wings more or less infuscated in basal and anterior part and with dark and sometimes conspicuous spots or clouds on cross veins and bifurcations along margin of anterior infuscation; the discoidal cell distinctly bulb-shaped and truncate apically; the head too is slightly depressed just in front of the antennae and the face is relatively short, much shorter than postantennal distance to ocellar tubercle. Text-fig. 261. Side view of hypopygium and ventral view of detached aedeagal apparatus of 6* Exoprosopa triloculina n. sp. Exoprosopa balioptera Lw. (Loew, p. 238 and tab. ii, fig. 40, Dipt. Faun. Sudqfr., i, i860; Bezzi, p. 160, Ann. S. Afr. Mus., xviii, 1921; Bezzi, p. 335, The Bombyliidae of the Ethiopian Region, 1924; Paramonow, p. 79, Acad. d. Sc. d'''Ukraine, No. 9 (Trav. Mus. £ool., Kiev, No. n, 1931). Body mainly black; genal part of face below antennae, broadish buccal margin and usually first two antennal joints yellowish; hinder half of scutellum at least, narrowish hind margins of sternites and sometimes sutural parts of pleurae reddish or reddish brown; legs very dark reddish brown, black-scaled. Vestiture with al


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Keywords: ., bookcentury1800, bookdecade1890, booksubjectnaturalhistory, booky