Woolly Bee Fly Systoechus
Family: Bombyliidae Subfamily: Bombyliinae. Tribe: Bombyliini
Kgalagadi Transfrontier Park (October)Description
Stout and furry fly. Legs slender, long proboscis. Small (wingspan 14 mm), with broad head and body covered in plush frosty or chalky white hairs. Many species are known from the region.
Head usually narrower than thorax; hind margin of eye not indented. Cell br equal in length to bm; r-m usually much shorter than m-m, occasionally almost as long; cell r5 closed and stalked; vestiture fine and silky with a clipped appearance at least on occiput and thorax, hair long and dense, white to straw-yellow or brown shading to paler on underside; wing infuscation, if present, diffuse and darker along fore border; gonocoxae without a crest of strong spines or a tuft of long hairs on the dorsal surface, male with phallosome compact often with clasper-like outgrowths.Habitat
Most common in arid sparsely vegetated areas. Karoo and bushveld.Biology
Some species of economic importance as the larvae feed on eggs of Brown Locust Locustana pardalina