Wing of female of Ozodiceromya signatipennis from Irwin and Lyneborg (1981, fig. 14) Therevidae,
Manual of Nearctic Diptera
, Ottawa, p.513-523, (1981)
[1].

Wing of male of Megalinga insignata from Irwin and Lyneborg (1981, fig. 13) Therevidae,
Manual of Nearctic Diptera
, Ottawa, p.513-523, (1981)
[1].

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

Wing of Thereva. From Comstock (fig. 366) The wings of insects,
, Ithaca, N.Y., (1918)
[2].