Blephariceridae

Slender delicate flies, 3.0-13.0 mm long. Eye in both sexes usually divided transversely into an upper region with larger ommatidia and a lower region with smaller ommatidia. Legs long; hindleg stouter than others. Wing membrane with net-like pattern of folds; M2 completely detached. Coloration usually uniform, mostly dull testaceous or gray without bright colors or conspicuous markings, occasionally with indistinct bands or areas of darker shades on scutum and abdominal tergites. (Hogue 1981)