. Annals of the South African Museum = Annale van die Suid-Afrikaanse Museum. Natural history. REVISION OF THE BOMBYLIIDAE (DIPTERA) OF SOUTHERN AFRICA 323 Length of body: about 5-12 J mm. Length of wing: about 6-14 mm. Locality: South-West Africa: Great Karas Mts. in Great Namaqualand (Mus. Exp., Nov. 1936) (types). Southern Rhodesia: Hopefountain (Steven- son, 30 Aug. 1922); Sawmills (Rhod. Mus., 11 Nov. 1920; Stevenson, Dec. 1923); Sanyati Valley (Stevenson, Dec. 1925); Victoria Falls (H. E. L., 24 Aug. 1920); Bembesi River (Stevenson, 5 Sept. 1926); Khami (Rhod. Mus., 6 Nov. 1926). Transva
. Annals of the South African Museum = Annale van die Suid-Afrikaanse Museum. Natural history. REVISION OF THE BOMBYLIIDAE (DIPTERA) OF SOUTHERN AFRICA 323 Length of body: about 5-12 J mm. Length of wing: about 6-14 mm. Locality: South-West Africa: Great Karas Mts. in Great Namaqualand (Mus. Exp., Nov. 1936) (types). Southern Rhodesia: Hopefountain (Steven- son, 30 Aug. 1922); Sawmills (Rhod. Mus., 11 Nov. 1920; Stevenson, Dec. 1923); Sanyati Valley (Stevenson, Dec. 1925); Victoria Falls (H. E. L., 24 Aug. 1920); Bembesi River (Stevenson, 5 Sept. 1926); Khami (Rhod. Mus., 6 Nov. 1926). Transvaal: Montrose (Lingnau, 11 Jan. 1926); Magalieskraal (Lingnau, 31 Jan. 1926). Zululand: Manguzi River near Maputa (Bell- Marley, 1945).. Text-fig. 117. Wing-tip of Petrorossia pleropkaia n. sp., and (right) side, dorsal, and apical views of beaked apical joint of hypopygium of o* of same species. This species appears to be variable in size, in the coloration of the hair on frons and face, in the presence or absence of a dark infusion on upper surfaces of hind femora, in the extent of the yellowish on sides of abdomen and in the extent of infuscation in anal cell and apex of axillary lobe. The paratype, from Magalieskraal, even has the yellowish on sides of abdomen much reduced. The $-paratype, from the Victoria Falls, has all the hair on frons entirely or predominantly black. This species seems to occur in grass savannah type of country whereas vinula is confined to the semi-arid scrub or Karooid type of environment. On the other hand masieneensis occurs in the subtropical wooded eastern part. Petrorossia fulvipes-section This section includes the species fulvipes (Lw.,), fumipennis n. sp., gratiosa Bezz., chapini Curr., angustibasalis n. sp., karooana n. sp. and imbutata n. sp. in which the abdomen is either broadly orange reddish on sides or even predominantly orange reddish; interocular space narrow in both sexes and the frons shining in both sexes; body on the whol
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectnaturalhistory, booky
