Periscelididae is a family of flies.
Aulacigastrids are small black flies.The head is rounded. Postvertical bristles present and diverging. Ocellar bristles are present, there are two orbital bristles on each side of frons, the anterior orbital bristle directed forward and towards median line.There is one pair of frontal bristles, curving backward.Interfrontal bristles are absent. Vibrissae (a row of vibrissa-like bristles) are well developed.On the mesonotum there are two pairs of dorsoscentral bristles. The costa is continuous (not interrupted), the subcosta is incomplete. The posterior basal wing cell and discoidal wing cell are fused and the anal vein does not reach the margin of the wings. The wing is clear or with infuscated spots.Tibiae without dorsal preapical bristle.
Genera include Cyamops ...
Morphology of Diptera
- Duda. 1934. Aulacigastridae. In Lindner, In: Lindner, E. (Ed.). Die Fliegen der palaearktischen Region 6,1,58c, 1-5. Keys to Palaearctic species but now needs revision (in German).
- Shtakel'berg, A.A. Family Periscelididae in Bei-Bienko, G. Ya, 1988 Keys to the insects of the European Part of the USSR Volume 5 (Diptera) Part 2 English edition.Keys to Palaearctic species but now needs revision.Uncertain family diagnosis.