Robber flies (Insecta: Diptera: Asilidae) of Wyoming, USA with keys to genera and species Author Lavigne, Robert J. Author Dennis, Steve text Zootaxa 2019 2019-08-30 4662 1 1 126 journal article 25823 10.11646/zootaxa.4662.1.1 7070ef91-15db-4b7e-a87d-72e7b0bdb192 1175-5326 3383448 366A1E81-946C-4ED4-8A65-C51151FE87CC Carinefferia jubata (Williston) Erax jubatus Williston, 1885: 66 . Recognition characters: Brownish species: length 18–23 mm ; mystax, black and white bristles intermixed; thorax compressed laterally, brownish gray pollinose with blackish stripe dorsally delimiting mane of black setae; marginal scutellar bristles 10 black; scutellar setae white or black; abdomen largely black, narrow posterior margins of abdominal tergites gray pollinose; in males, abdominal segments 6 and 7 silvery white pollinose; legs, femora black, tibiae and tarsi reddish brown. Distribution: CARBON: Baggs, Savery, 2 Sept. 1959 ( DGR , WDG ). TETON: Grand Teton National Park, 18 Aug. 1931 ( LDA , JON ), 18 Aug. 1931 ( JON ) (female specimen in CAS ). Recorded from Wyoming by: Fisher & Wilcox (1997) (as Efferia jubata ); Geller-Grimm (2018) ; Hine (1919) (as Erax jubatus ); Wilcox (1966b) (as Efferia jubata ). Habitat: Sagebrush steppe shrub and grassland, grama-needlegrass-wheatgrass, and grama-buffalo grass grassland vegetation types . Ethology: Nothing known. Prey: None known.