Wing of male of Lonchoptera uniseta from Peterson (1981, fig. 3) Lonchopteridae,
Manual of Nearctic Diptera
, Ottawa, p.675-680, (1981)
[1].

Wing of female of Lonchoptera furcata from Peterson (1981, fig. 2) Lonchopteridae,
Manual of Nearctic Diptera
, Ottawa, p.675-680, (1981)
[1].

Wing venation of Lonchopteridae male. The image was drawn by Giancarlodessi.

Wing venation of Lonchopteridae female. The image was drawn by Giancarlodessi.