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 Eucyrtopogon comantis Curran Eucyrtopogon comantis Curran, 1923: 116 . Recognition characters: Blackish species; length 10–12 mm ; mystax white above, black below; thorax brown and gray pollinose with black center stripe dorsally which is bisected at each end by a short gray pollinose stripe; wings typical of genus, hyaline with 6 black spots at vein junctures; scutellar setae white, scutellar bristles 12, black; abdomen shining black with apical corners of segments white pollinose, lateral setae on all segments white; legs black, setae of legs white and bushy, bristles reddish brown. Distribution: ALBANY: Laramie, Oct. 1953 ; Pole Mtn., numerous records, 21 Sept.–7 Nov. , Apr.–May ( SD , RJL ). PLATTE: Dwyer, 23 Oct. 1959 ; 4 Apr. 1960 , 24 Oct. 1960 , 1 June 1961 , 25–271961, 27 Mar. 1963 ( RJL ); Guernsey , 13 Apr. 1962 , 27 Mar. 1963 ( RJL ). Recorded from Wyoming by: Adisoemarto (1967) ; Dennis et al. (2010) ; Dennis & Lavigne (1975 , 2007 ); Dennis et al. (2010) ; Fisher & Wilcox (1997) ; Geller-Grimm (2018) ; Lavigne & Dennis (1994) . Habitat: Pine-douglas fir forest (clearings within the forest where shrubs and grasses are dominant), and gramaneedlegrass-wheatgrass grassland vegetation types . Open range, short grass plains and protected gullies both with and without pine cover (see Dennis & Lavigne 1975 ); rangeland breaks interspersed with limber pine and quaking aspen. Ethology: Forages from both the ground and vegetation (see Dennis & Lavigne 1975 ). Prey: COLEOPTERA , DIPTERA , HEMIPTERA (Heteroptera, Homoptera) , HYMENOPTERA , LEPIDOP- TERA (see Dennis & Lavigne 1975 , 2007 ; Dennis et al. 2010 ; Lavigne & Dennis 1994 ).