Wing of male of Trichopsidea clausa from Teskey (1981, fig. 3) [1].

References

1. Teskey H.J.
   (1981) Nemestrinidae. in: McAlpine J.F. (Ed.), Manual of Nearctic Diptera. Agriculture Canada, Ottawa, pp. 585-588.

Wing venation of Nemestrinidae. The image was drawn by Giancarlodessi.

Wing of Rhynchocephalus. From Comstock (fig. 358) [1].

References

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