Curran, 1931: 17 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 3S9D3 Curran Curran 1931 [151,490,1221,1248] Insecta Asilidae Laphystia Animalia Diptera 94 95 Arthropoda species rufiventris     Laphystia rufiventris  Curran, 1931: 17.   Recognition characters:Gray and reddish brown species; length 9–11 mm; mystax white, thorax gray pollinose; scutellar bristles lacking, scutellar setae white with few upright marginal setae, usually 1 medial long setae and 2–3 outer, short setae; abdomen reddish brown with dorsum of first two segments fading into black, gray pollinose area confined to apical corners; legs with all femora black, except for reddish narrow base and apex; about the basal 1/6 of tibiae yellowish; appressed short white setae providing a gray aspect; setae white, bristles white to yellowish.  Distribution:HOT SPRINGS: 8 kmNW of Thermopolis, 25 June 1980( RJL). SWEETWATER: Type, female, Green River, 2 July 1920( FEL); topotype, Green River, 21 June 1950( CHM, in Martin coll.); type, female, Green River, 2 July 1920( FEL) ( Curran 1931); holotype, one male, Green River, 21 June 1950( CHM, in Martin coll.) ( Wilcox 1960); Rock Springs, Baxter Rd., 11 July 1991( RJL, JF). UINTA: 14.5 km NE of Lyman, Black Forks Rd., 16 July 1980( RJL). Recorded from Wyomingby: Cole (1969); Fisher & Wilcox (1997); Geller-Grimm (2018); Martin & Wilcox (1965); Wilcox (1960).  Habitat:Sagebrush steppe shrub and grassland vegetation type.  Ethology:Nothing known.  Prey:None known.