Genus Campsicnemus Haliday, 1851

Diagnosis (based on Old World species)

Tiny to medium-sized flies; face narrow in middle, extending downward; antennal arista-like stylus dorsal; usually 4, rarely 5 dorsocentral bristles; acrostichal setae absent or uniseriate; R 4+5 and M 1+2 more or less parallel; hind femur with subapical bristle; male legs usually modified and ornamented, rarely simple; female abdomen flattened dorsoventrally.