Proctacanthella Bromley, 1934

Lavigne, Robert J. & Dennis, Steve, 2019, Robber flies (Insecta: Diptera: Asilidae) of Wyoming, USA with keys to genera and species, Zootaxa 4662 (1), pp. 1-126 : 55

Proctacanthella Bromley

Proctacanthella Bromley, 1934: 96 .

Species found in Wyoming: Proctacanthella cacopiloga , P. exquisita , and P. leucopogon .

Key to Species [adapted from Hine (1909); Wilcox (1965b)]

1 Anterior crossvein at or before middle of discal cell; upper male forceps (epandria) subequal in length to the lower ones, male genitalia tipped with pencil of fine white setae......................................... Proctacanthella cacopiloga

- Anterior crossvein beyond middle of discal cell; upper male forceps longer than the lower ones....................... 2

2 Abdomen yellowish gray pollinose with a narrow brown dorsal stripe that is more prominent on segments 2–5; upper male forceps protruding 1/3 their length beyond the lower ones; male hypandrium with a medial fan of white setae on each side................................................................................... Proctacanthella exquisita

- Abdomen brownish pollinose with gray margins; upper male forceps protruding half their length beyond the lower ones; male genitalia without a terminal pencil of setae........................................... Proctacanthella leucopogon