Robber flies (Insecta: Diptera: Asilidae) of Wyoming, USA with keys to genera and species Lavigne, Robert J. Dennis, Steve Zootaxa 2019 2019-08-30 4662 1 1 126 87CGK 50682 Macquart 1838 [287,478,903,929] Insecta Asilidae Animalia Diptera 79 80 Arthropoda subFamily Dasypogoninae   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