Subfamily Dasypogoninae

Genera found in Wyoming: Comantella, Cophura, Diogmites, Lestomyia, and Omninablautus .

Key to Genera [adapted from Nelson (1987); Wood (1981)]

1 Stout terminal differentiated, hooked spur on ventral surface of fore tibiae, arising from a large basal tubercle, meeting a raised denticulate area on basitarsus............................................................................ 2

- Thin terminal differentiated, sigmoid spur on ventral surface of fore tibiae not arising from a large basal tubercle and not meeting a denticulate area on basitarsus....................................................................... 3

2 Face swollen or with gibbosity, setae on lower two-thirds; strong notopleural and dorsocentral bristles present..... Lestomyia

- Face flattened, setae confined to lower one-third or less; notopleural bristles absent.......................... Diogmites

3 Pulvilli present....................................................................................... 4

- Pulvilli absent............................................................................. Omninablautus

4 Face with pronounced gibbosity on lower two-thirds or more; anterior mesonotum with a mane like crest of setae on midline............................................................................................ Comantella

- Face flat or slightly rounded; without mesonotal crest of setae on midline................................... Cophura