A review of the genus Gibbasilus Londt, 1986 in southern Africa (Diptera, Asilidae) Author Londt, Jason G. H. text African Invertebrates 2016 57 1 67 81 http://dx.doi.org/10.3897/AfrInvertebr.57.8696 journal article http://dx.doi.org/10.3897/AfrInvertebr.57.8696 2305-2562-1-67 17A94A5084C2469DAE1DA9E2A78C502B Taxon classification Animalia Diptera Asilidae Gibbasilus Londt, 1986 Gibbasilus Londt, 1986: 2. Type species: Gibbasilus arenaceus Londt, 1986, by original designation and monotypy. Diagnosis (modified from Londt 1986 ). Asiline flies displaying the following combination of characters. Head: Face plane, not gently convex; dorsal occipital macrosetae long , proclinate. Thorax: Mesonotum strongly humped; acrostichal setae long, well developed, tightly packed and arranged in a narrow strip; scutellum with a single pair of apical scutellar macrosetae; discal cell (1m2) of wing not markedly constricted at midlength (as in Synolcus Loew, 1858); male wing with costal region not markedly expanded (as in some Dasophrys Loew, 1858). Abdomen: Female ovipositor long (more than twice as long as broad in lateral aspect) and laterally compressed. Figure 1 illustrates a fairly typical male of the genus. Figure 1. General appearance of a fairly typical Gibbasilus ( Gibbasilus condylus sp. n.) male.