Machimus setibarbusMachimus setibarbus is a species of fly in the family Asilidae, the robber flies and assassin flies.DistributionThis species is widespread in Europe, North Africa, and in the Near East.DescriptionMachimus setibarbus can reach a body length of about. These robber flies have a face beard with distinctly stout bristles and four-eight scutellar marginal bristles. Legs are entirely black, but sometimes knees are paler. Moreover front femur do not show ventrally distinct stout bristles, but only hairs.