Annals of the South African Museum, Volume 34

abdomen aedeagus antennae with joint antennal joint apex apical appearing basal cell base becoming Bezz blackish brown body bristles bristly hairs broad broader brownish claws comparatively conspicuous costal cell coxae dark darker dense denser depressed developed differs discal cross vein discoidal cell distinct distinctly elongate entirely entirely black extensively extreme eyes face femora frons front genae gleaming golden greyish half halteres head hind margins hyaline hypopygium infuscation inner intermixed interocular space knobs laterally least legs less lights longer lower markedly middle narrower occiput ocellar tubercle pale yellowish paler pical pleurae posterior cell predominantly proboscis prominent pubescence reddish reddish brown region scaling scarcely scutellum segments separated sexes short shorter sides sides of abdomen silvery slender slightly sometimes species specimens spines subopaquely tergites text-fig third thorax tibiae tinged tint transverse tuft Types upper usually venter ventral whitish wings yellow yellowish brown