Oratostylum

Torsten Dikow & Jason G. H. Londt, 2000, A review of the genera Anasillomos Londt, 1983, Oratostylum Ricardo, 1925, and Remotomyia Londt, 1983, with description of a new genus and two new species (Diptera: Asilidae: Stenopogoninae), Ann. Natal Mus. 41, pp. 107-121 : 112

Oratostylum Ricardo, 1925

Oratostylum Ricardo, 1925: 260; Type species: Oratostylum lepidum Ricardo , 1925: 261, by original designation.

Generic diagnosis (based on all available material):

Antennal style with 3 elements (2 segments and a terminal seta-like element); postpedicel cylindrical to clubbed and longer than scape and pedicel combined; palpi very long, always reaching lower facial margin; facial swelling pronounced in lower and upper parts; proepisternal and pronotal setae weak; basal postpronotal setae well-developed or weak; dorsocentral setae moderately developed and at most 1 pair anterior to transverse suture; cell r 5 open; cell m 3 closed or open; T6-7 setae weak in ♀, erect and not distinctly projecting in any specific direction; ♂ terminalia with configuration as in Figs 8-13.