. Annals of the South African Museum = Annale van die Suid-Afrikaanse Museum. Natural history. A Revision of the Bombyliidae (Diptera) of Southern Africa. 389 bristles very narrow in both sexes and the dorsal ones in <J very short and inconspicuous. Legs with 1-3, or without any, small spines below on front femora; middle ones with 3-5 spines below in apical half; hind ones with a row of very numerous spines below, those near base more or less alternating as long and short ones; claws sharply curved downwards apically. Hypopygium of 3 (text-fig. 94) with the inner apical projecting process


. Annals of the South African Museum = Annale van die Suid-Afrikaanse Museum. Natural history. A Revision of the Bombyliidae (Diptera) of Southern Africa. 389 bristles very narrow in both sexes and the dorsal ones in <J very short and inconspicuous. Legs with 1-3, or without any, small spines below on front femora; middle ones with 3-5 spines below in apical half; hind ones with a row of very numerous spines below, those near base more or less alternating as long and short ones; claws sharply curved downwards apically. Hypopygium of 3 (text-fig. 94) with the inner apical projecting process provided with a dense mane of spine-like bristles; beaked apical joints sunk in between apical. Text-fig. 94.—Side view and half of ventral view of hypopygium of $ Systoechus bechuanus Hesse. parts of basal part, narrow, elongate, not depressed above and with the apex curved inwards and downwards; aedeagus with the apex only slightly curved upwards; lateral rami produced in front on each side of aedeagus into a clavate process; basal strut broad and shaped as shown in figure (in lateral view, in the figure, the aedeagus and middle parts are shown a little separated from the basal part). Holotype-c? in the Transvaal Museum, allotype-? in the South African Museum. Length of body: about 14-16 mm. Length of wing: about 16-17 mm. Locality.—Bechuanaland: Kaotwe ( Kal. Exp., 8-12/4/30) (Types); Gemsbok Pan ( Kal. Exp., 23-4-5/5/30). This species is one of the largest representatives of Systoechus and is also among the largest members of Ethiopian Bombyliidae. According to Bezzi's keys and descriptions in Trans. Ent. Soc. Lond., vol. xxxiv. 26. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original South African Museum. Cape Town : The Museum


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Keywords: ., bookcentury1800, bookdecade1890, booksubjectnaturalhistory, booky