Asilidae Latreille, 1804
Nicocles abdominalis Williston, 1883
Nicocles aemulator (Loew, 1872)
Nicocles analis Jaennicke, 1867
Nicocles argentatus Coquillett, 1893
Nicocles bromleyi Hardy, 1943
Nicocles canadensis Curran, 1923
Nicocles dives (Loew, 1866)
Nicocles engelhardti Wilcox, 1946
Nicocles lomae Cole, 1916
Nicocles pictus (Loew, 1866)
Nicocles politus (Say, 1823)
Nicocles pollinosus Wilcox, 1946
Nicocles reinhardi Bromley, 1934
Nicocles rufus Williston, 1883
Nicocles scitulus Williston, 1883
Nicocles utahensis Banks, 1920
