Wing of male of Exiliscelis californiensis from Peterson (1981, fig. 3) Synneuridae,
Manual of Nearctic Diptera
, Ottawa, p.321-324, (1981)
[1].

Wing of male of Synneuron decipiens from Peterson (1981, fig. 2) Synneuridae,
Manual of Nearctic Diptera
, Ottawa, p.321-324, (1981)
[1].

Wing venation of Synneuron. Terminology based on McAlpine Manual of Nearctic Diptera,
, Ottawa, (1981)
[2]. The image was drawn by Giancarlodessi.

Wing venation of Hyperoscelis. Terminology based on McAlpine Manual of Nearctic Diptera,
, Ottawa, (1981)
[2]. The image was drawn by Giancarlodessi.

Wing venation of Exiliscelis. Terminology based on McAlpine Manual of Nearctic Diptera,
, Ottawa, (1981)
[2]. The image was drawn by Giancarlodessi.

Wing venation of Canthyloscelis. Terminology based on McAlpine Manual of Nearctic Diptera,
, Ottawa, (1981)
[2]. The image was drawn by Giancarlodessi.