Wing of male of Pyrgotella chagnoni from Steyskal (1981, fig. 3)

Wing of odontomera ferruginae from Papp and Darvas (1998, fig. 600)

Wing of Diptera from McAlpine (1981, fig. 67) [1].

References

1. McAlpine J.F.
   (1981) Morphology and terminology - adults. in: McAlpine J.F. (Ed.), Manual of Nearctic Diptera. Agriculture Canada, Ottawa, pp. 9-63.

Wing venation of Diptera according to Oosterbroek (fig. 13) [1].

References

1. Oosterbroek P.
   (2006) The European families of the Diptera identification, diagnosis, biology. KNNV Publishing, Utrecht, pp. 205.