Annals of the South African Museum, Volume 18

abdomen allied anal cell antennae apical band basal basal comb base black hairs blackish body bristles broad broader broadly brownish Cape claws closed clothed colour coxae cubital fork dark brown darker deep dense described developed discal cross-vein discoidal cell distinct distinguished elongate entirely black EXOPROSOPA eyes face female femora fore fringe frons front genus grey greyish half halteres Head hind border hind femora hyaline infuscated joint knob Legs length less Loew longer male margin middle Museum narrow numerous occiput ocellar origin pale pale yellowish palpi pattern placed pleurae posterior cell preceding present proboscis prominent pubescence reddish scales scutellum segments separated shining short shorter sides silvery South African species specimen spines Squamae stripes strong terminal thin third thorax tibiae tuft Type usually vein venation venter white hairs whitish Wied wings yellow yellowish