Wing of male of Eupeodes lapponicus from Vockeroth and Thompson (1981, fig. 42) [1].

References

1. Vockeroth J.R., Thompson F.C.
   (1981) Syrphidae. in: McAlpine J.F. (Ed.), Manual of Nearctic Diptera. Agriculture Canada, Ottawa, pp. 713-743.

Wing of male of Scaeva pyrastri from Vockeroth and Thompson (1981, fig. 41) [1].

References

1. Vockeroth J.R., Thompson F.C.
   (1981) Syrphidae. in: McAlpine J.F. (Ed.), Manual of Nearctic Diptera. Agriculture Canada, Ottawa, pp. 713-743.

Wing of male of Didea fuscipes from Vockeroth and Thompson (1981, fig. 40) [1].

References

1. Vockeroth J.R., Thompson F.C.
   (1981) Syrphidae. in: McAlpine J.F. (Ed.), Manual of Nearctic Diptera. Agriculture Canada, Ottawa, pp. 713-743.

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

Wing of Eristalis. From Comstock (fig. 376) [1].

References

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