Wing of male of Neottiophilum praeustum from McAlpine (1981, fig. 19) Piophilidae,
Manual of Nearctic Diptera
, Ottawa, p.845-852, (1981)
[4].

Wing of male of Amphipogon hyperboreus from McAlpine (1981, fig. 18) Piophilidae,
Manual of Nearctic Diptera
, Ottawa, p.845-852, (1981)
[4].

Wing of male of Mycetaulus longipennis from McAlpine (1981, fig. 17) Piophilidae,
Manual of Nearctic Diptera
, Ottawa, p.845-852, (1981)
[4].

Wing of female of Neopiophila setaluna from McAlpine (1981, fig. 16) Piophilidae,
Manual of Nearctic Diptera
, Ottawa, p.845-852, (1981)
[1].

Wing of male of Arctopiophila nigerrima from McAlpine (1981, fig. 15) Piophilidae,
Manual of Nearctic Diptera
, Ottawa, p.845-852, (1981)
[1].