Wing of female of Cephenemyia trompe from Wood (1981, fig. 7) Oestridae,
Manual of Nearctic Diptera
, Ottawa, p.1147-1158, (1981)
[1].

Wing of male of Oestrus ovis from Wood (1981, fig. 6) Oestridae,
Manual of Nearctic Diptera
, Ottawa, p.1147-1158, (1981)
[1].

Wing of male of Gasterophilus intestinalis from Wood (1981, fig. 5) Oestridae,
Manual of Nearctic Diptera
, Ottawa, p.1147-1158, (1981)
[1].

Wing tip of male of Opsodexia serva from Shewell (1981, fig. 20) Calliphoridae,
Manual of Nearctic Diptera
, Ottawa, p.1033-1045, (1981)
[1].

Wing tip of female of Stomorhina lunata from Shewell (1981, fig. 19) Calliphoridae,
Manual of Nearctic Diptera
, Ottawa, p.1033-1045, (1981)
[1].

Wing of female of Chloroprocta fuscanipennis from Shewell (1981, fig. 18) Calliphoridae,
Manual of Nearctic Diptera
, Ottawa, p.1033-1045, (1981)
[1].

Wing tip of female of Calliphora vomitoria from Shewell (1981, fig. 10) Calliphoridae,
Manual of Nearctic Diptera
, Ottawa, p.1033-1045, (1981)
[1].

Wing tip of female of Acrophaga genarum from Shewell (1981, fig. 9) Calliphoridae,
Manual of Nearctic Diptera
, Ottawa, p.1033-1045, (1981)
[1].

Wing tip of male of Bellardia agilis from Shewell (1981, fig. 8) Calliphoridae,
Manual of Nearctic Diptera
, Ottawa, p.1033-1045, (1981)
[1].

Wing of male of Allognota semivitta from Huckett and Vockeroth (1981, fig. 30) Muscidae,
Manual of Nearctic Diptera
, Ottawa, p.1115-1131, (1981)
[2].