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 Proctacanthus micans Schiner Proctacanthus micans Schiner, 1867: 397 . Recognition characters: Grayish brown species; length 26–36 mm ; mystax pale yellow; thorax brown in ground color, grayish brown pollinose; scutellar setae white, bristles black; wings nearly hyaline with the veins margined brown; abdomen dark grayish brown pollinose; legs brown, darker apically. Distribution: PLATTE: Camp Guernsey , WANG, 2001b ( CSU , GMAD ); Grey Rocks Ranch, Camp Guernsey , WANG, 25 June–5 Sept. 2008 ( CSU , GMAD ); Wheatland, 28 July 1974 (SD). Recorded from Wyoming by: Dennis & Lavigne (1976b) (pupal case); Dennis et al. (2008) (pupal case); Fisher & Wilcox (1997) ; Geller-Grimm (2018) . Habitat: Sagebrush steppe shrub and grassland, and grama-needlegrass-wheatgrass grassland vegetation types . Rangeland similar to Proctacanthus milbertii . Ethology: Rests on and forages from soil and vegetation. Prey: None known.