Wing of female of Chyliza apicalis from Steyskal (1981, fig. 5) Psilidae,
Manual of Nearctic Diptera
, Ottawa, p.781-784, (1981)
[1].

Wing of female of Psila collaris from Steyskal (1981, fig. 4) Psilidae,
Manual of Nearctic Diptera
, Ottawa, p.781-784, (1981)
[1].