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 Laphystia confusa Curran Laphystia confusa Curran, 1927: 87 . Recognition characters: Gray and black species; length 8–10 mm ; mystax straw white; thorax grayish yellow pollinose; scutellar bristles lacking, scutellar setae golden, short and recumbent; abdomen black with gray pollinose fasciae entire on segments 1–3, 6 and interrupted on segments 4 and 5; legs with femora completely reddish brown. Distribution: NIOBRARA: 64 km N of Lusk, July 1895 ( RM-UK ). Recorded from Wyoming by: Cole (1969) ; Curran, (1927) ( 67 km N of Lusk; July 1895 . Paratypes , male, Wyoming , July 1905 ); Fisher & Wilcox (1997) ; Geller-Grimm (2018) ; Martin & Wilcox (1965) ; Wilcox (1960) ( paratype , male, July 1905 ). Habitat: Wheatgrass-needlegrass grassland vegetation type . Ethology: Nothing known. Prey: None known.