
Description
Species in Lonchoptera are tiny to small, at 2–5 mm (0.079–0.197 in), slender, and yellow to brownish-black bristly. The larvae are dorsally flattened, with two pairs of head bristles, and feed on rotting vegetable matter, including in one case brussels sprouts. This genus can be distinguished from other spear-winged flies by several traits:
foreleg tibiae have dorsal setae in the middle foreleg tarsi thinner than foreleg tibiae pointed wingtip without apical brown spot.




