Bombyliidae
Amphicosmus arizonensis Johnson & Johnson, 1960
Amphicosmus arizonicus Hall, 1975
Amphicosmus cincturus Williston, 1901
Amphicosmus delicatulus Melander, 1949
Amphicosmus elegans Coquillett, 1891
Amphicosmus vanduzeei Cole, 1923