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 Laphria aimatis McAtee Laphria aimatis McAtee, 1918: 160 .1 Recognition characters: Black and orange species; length 18–21 mm ; mystax black; thorax faintly gray pollinose, appearing black to the naked eye; scutellar setae and bristles black; wings blackish, abdomen segment 1 and 2 black, segments 3–6 with short orange pile dorsally, lateral setae of abdominal segment 1 white; legs black, setae on legs white, bristles black. Distribution: PLATTE: El Rancho (roadhouse), Dwyer, 3 May 1962 ( RJL ). Habitat: Grama-needlegrass-wheatgrass grassland vegetation type . Ethology: Nothing known. Prey: None known.