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 banksi Wilcox & Martin Cyrtopogon banksi Wilcox & Martin, 1936: 79 . Recognition characters: Grayish black species; length 6–12 mm ; antennal segment black;mystax black; thorax gray pollinose with two brown pollinose stripes dorsally and brown pollinose spots dorsolaterally; wings hyaline; macrotrichia of costal vein black; scutellar disc gray pollinose with shining black margin, scutellar setae black; abdomen shining black, only tergite 2 and sometimes 3 having gray pollinose fasciae complete dorsally, lateral setae on abdominal segments 1–4 snowy white; legs black, setae white, bristles black except for the fore and middle tibiae and tarsi which have black setae. Distribution: ALBANY: Pole Mtn., 8 July 1961 ( RJL ), 26–28 July 1965 ( FRH ). CARBON: Lower part of Elk Mtn., 11 July 1972 ( SD , RJL ). TETON: paratypes , Jackson, 13–17 July 1920 , F.4746, elevation about 1,829 m ( 6,000 ft ) ( AMNH ) ( Martin & Wilcox 1965 ); Grand Teton National Park, 19 July 1936 ( GFK-USU ), 23 June 1938 ( ECVD ) (specimen in CAS ); Grassy Lake, Targhee National For., 5–10 Aug. 1966 ( RJL ); Jackson, 8 Aug. 1960 ( RJL ); Jackson Hole, Grand Tetons, 28 June 1938 ( ECVD ) (two specimens in CAS ); Mike Harris Campground, Targhee National For., 12 Aug. 1967 ( RJL ); Togwotee Pass, 9 July 1942 ( CPA-UM ); W entrance of Targhee National For., 8 Aug. 1967 ( RJL ). Recorded from Wyoming by: Dennis et al. 2010 ; Geller-Grimm 2018 ; Martin & Wilcox 1965 ; Wilcox & Martin 1936 . Habitat: Douglas fir forest and pine-douglas fir forest (both in clearings within the forest where shrubs and grasses are dominant), and sagebrush steppe shrub and grassland vegetation types . Ethology: Nothing known. Prey: HEMIPTERA (Homoptera) , Aphididae (winged reproductive): Rhopalesiphum padi L., Pole Mtn., Albany Co., 26 June 1965 . HEMIPTERA (Homoptera) (see Dennis et al. 2010 ).