Wing of female of Pseudatrichia howdeni from Kelsey (1981, fig. 5) [1].

References

1. Kelsey L.P.
   (1981) Scenopinidae. in: McAlpine J.F. (Ed.), Manual of Nearctic Diptera. Agriculture Canada, Ottawa, pp. 525-528.

Wing of female of Brevitrichia schlingeri from Kelsey (1981, fig. 4) [1].

References

1. Kelsey L.P.
   (1981) Scenopinidae. in: McAlpine J.F. (Ed.), Manual of Nearctic Diptera. Agriculture Canada, Ottawa, pp. 525-528.

Wing of male of Scenopinus pecki from Kelsey (1981, fig. 3) [1].

References

1. Kelsey L.P.
   (1981) Scenopinidae. in: McAlpine J.F. (Ed.), Manual of Nearctic Diptera. Agriculture Canada, Ottawa, pp. 525-528.

Wing of female of Scenopinus fenestralis from Kelsey (1981, fig. 2) [1].

References

1. Kelsey L.P.
   (1981) Scenopinidae. in: McAlpine J.F. (Ed.), Manual of Nearctic Diptera. Agriculture Canada, Ottawa, pp. 525-528.

Wing venation of Pseudatrichia and Metatrichia. The image was drawn by Giancarlodessi.

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

Wing of Scenopinus. From Comstock (fig. 370) [1].

References

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