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 Cyrtopogon montanus wilcox i James Cyrtopogon montanus wilcoxi James, 1942: 124 . Recognition characters: Blackish species; length 14–16 mm ; third antennal segment black; mystax white with a few black bristles above; thorax gray and brown pollinose; wings smoky; macrotrichia of costal vein black; scutellar setae black, abdomen shining black with gray pollinose fasciae entire on tergites 2–5; lateral setae on abdominal segments 1–4 in male, black except for some white pile on segment 1, in female lateral setae on white; wings with brownish cast, legs, femora and tibiae black, tarsi reddish brown. Distribution: ALBANY: Pine Unit, Libby Creek/Snowy Range Mtns./Medicine Bow National For., 12 June 1977 ( RJL ). CARBON: Copperton, 2 Sept. 1959 ( WDF , ADD ); Ryan Park, 19–20 July 1964 ( LJS ). NATRONA: Casper Mtn., 18 July 1968 ( RJL ), 27 July 1975 ( RJL ); PLATTE: 56 km SW of Wheatland/Rte. 34, 1,829 m ( 6,000 ft ), 24 May 1978 ( RJL ). SHERIDAN: Big Horn Mtns., 2.5 km NE of top of Granite Pass, elevation 2,690 m ( 8,825 ft ) ( HBL ) (three specimens in CAS ). TETON: Grand Tetons, Jackson Hole, 28 June 1938 ( ECVD ) (specimen in CAS ); Grand Tetons, Jenny Lake, 25, 28 June 1938 ( ECVD ) (three specimens in CAS ); Grand Tetons National Park, 23 June 1938 ( ECVD ) (two specimens in CAS ). Recorded from Wyoming by: Bullington & Lavigne (1992) ; Dennis & Lavigne (1976d) (oviposition; as Cyrtopogon inversus ); Dennis et al. (2007 , 2010 ); Geller-Grimm (2018) ; Lavigne & Dennis (1994) . Habitat: Douglas fir forest and pine-douglas fir forest vegetation types . Ethology: Forages from sun-lit surfaces of boulders, rarely for brief periods from other substrates; courtship ( see Bullington and Lavigne 1992 ). Prey: All records are for North Fork Campground, Snowy Range Mtns. unless otherwise indicated. DIPTERA , Bibionidae : Bibio knowltoni Hardy , 28 May 1981 , 1 June 1981 ; Ephydridae : Scatella laxa Cresson, Ryan Park , 20 July 1964 . HEMIPTERA (Heteroptera) , Aradidae : Aradus sp., 3 July 1975 . Miridae : Irbisia sp., 8–9 June 1978 ; Labops hesperius Uhler , 8 June 1978 ; Lopidea sp., 4 July 1975 ; Phyllopidea picta Uhler , 5 June 1981 . COLEOP- TERA, DIPTERA , HEMIPTERA (Homoptera) , HYMENOPTERA (see Bullington & Lavigne 1992 ; Dennis & Lavigne 2007 ; Dennis et al. 2010 ; Lavigne & Dennis 1994 ).