Linnaeus, 1758: 605 Asilus vescus Hine, 1918: 320 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  Linnaeus, 1758: 605  33VS 219504 Linnaeus Linnaeus. 1758 [151,350,727,754] Insecta Asilidae Asilus Animalia Diptera 31 32 Arthropoda genus     Asilus  Linnaeus, 1758: 605 Species found in Wyoming:  Asilus vescus.    Asilus vescusHine     Asilus vescus  Hine, 1918: 320.   Recognition characters:Grayish black species; length 7–10 mm; mystax black above, white below; sides of thorax gray pollinose, dorsally brown pollinose, two dorsal black stripes separated by a gray line; scutellum with 2 black bristles on posterior margin; wings hyaline, slightly gray on posterior margin and at apex; abdomen brown pollinose with gray pollinose bands apically; legs, femora black, fore- and mid-tibiae blackish, hind tibiae reddish brown.  Distribution:SWEETWATER: Burnt Fork, 19–26 June( VMT-BYU). TETON: Biological Station at Moran, Grand Teton National Park, 2,042 m( 6,700 ft), 13 Aug. 1962( JGE).  Habitat:Sagebrush steppe shrub and grassland vegetation type.  Ethology:Nothing known.  Prey:None known.