Wing of female of Physocephala texana from McAlpine (1981, fig. 53) [1]. Abbreviations are as follows:

Veins:

A1 = Anterior (or 1st) anal vein
A1+CuA2 = vein formed by fusion of veins A1 and CuA2
CuA1 = 1st anterior branch of the cubitus
CuA2 = 2nd anterior branch of the cubitus
M1 = 1st (posterior) branch of the medial vein
R1 = 1st branch of the radial vein
R2+3 = branch formed from fusion of the 2nd and 3rd branches of the radial vein
R4+5 = branch formed from fusion of the 4th and 5th branches of the radial vein
Sc = subcosta

Cells:

References

1. McAlpine J.F.
   (1981) Key to Families - Adults. in: McAlpine J.F. (Ed.), Manual of Nearctic Diptera. Agriculture Canada, Ottawa, pp. 89-124.

Wing of female of Zodion obliquefasciatum from Smith and Peterson (1981, fig. 13) [1].

References

1. Smith K.G.V., Peterson B.V.
   (1981) Conopidae. in: McAlpine J.F. (Ed.), Manual of Nearctic Diptera. Agriculture Canada, Ottawa, pp. 749-756.

Wing of female of Robertsonomyia palpalis from Smith and Peterson (1981, fig. 12) [1].

References

1. Smith K.G.V., Peterson B.V.
   (1981) Conopidae. in: McAlpine J.F. (Ed.), Manual of Nearctic Diptera. Agriculture Canada, Ottawa, pp. 749-756.

Wing of female of Dalmannia nigriceps from Smith and Peterson (1981, fig. 11) [1].

References

1. Smith K.G.V., Peterson B.V.
   (1981) Conopidae. in: McAlpine J.F. (Ed.), Manual of Nearctic Diptera. Agriculture Canada, Ottawa, pp. 749-756.

Wing of female of Stylogaster neglecta from Smith and Peterson (1981, fig. 10) [1].

References

1. Smith K.G.V., Peterson B.V.
   (1981) Conopidae. in: McAlpine J.F. (Ed.), Manual of Nearctic Diptera. Agriculture Canada, Ottawa, pp. 749-756.

Wing of female of Physoconops fronto from Smith and Peterson (1981, fig. 9) [1].

References

1. Smith K.G.V., Peterson B.V.
   (1981) Conopidae. in: McAlpine J.F. (Ed.), Manual of Nearctic Diptera. Agriculture Canada, Ottawa, pp. 749-756.

Wing of female of Physocephala texana from Smith and Peterson (1981, fig. 8) [1].

References

1. Smith K.G.V., Peterson B.V.
   (1981) Conopidae. in: McAlpine J.F. (Ed.), Manual of Nearctic Diptera. Agriculture Canada, Ottawa, pp. 749-756.

Wing of Conops. From Comstock (fig. 44) [1].

References

1. Comstock J.H.
   (1918) The wings of insects. The Comstock Publishing Company, Ithaca, N.Y.

Wing of an unknown species of thick-headed fly (Conopidae).