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 Leptogaster salvius Martin Leptogaster salvius Martin, 1957: 380 . Recognition characters: Gray species, length 8–9 mm ; mystax white; thorax brown pollinose dorsally with three dark stripes and gray pollinose laterally; scutellum gray pollinose lacking setae and bristles; wings hyaline, lightly stippled except first, second, and third basal cells; abdomen brownish gray pollinose; legs largely yellow, middle femora and tibiae brown anteriorly; apical half of hind femora and anterior side of hind tibiae brown. Distribution: ALBANY: 16 km E of Centennial, 19 July 1960 ( RJL ). HOT SPRINGS: Owl Creek Mtns., north end of Wind River Canyon, 1,829 m ( 6,000 ft ), 25 June 1962 ( RJL ). Recorded from Wyoming by: Fisher & Wilcox (1997) ; Geller-Grimm (2018) ; Lavigne (1963b) . Habitat: Wheatgrass-needlegrass shrub steppe shrub and grassland, and grama-needlegrass-wheatgrass grassland vegetation types . In Owl Creek Mtns., hilltops on shortgrass plain area, 1,829 –2,134 m ( 6,000 –7,000 ft ), in threetip sagebrush ( Artemisia tripartita Rydb. subsp. rupicola Beetle ) habitat (see Lavigne 1963b ). Ethology: Description of habitat and eggs (see Lavigne 1963b ). Prey: None known.