Cyrtopogon curtistylus Curran, 1923

Lavigne, Robert J. & Dennis, Steve, 2019, Robber flies (Insecta: Diptera: Asilidae) of Wyoming, USA with keys to genera and species, Zootaxa 4662 (1), pp. 1-126 : 66

Cyrtopogon curtistylus Curran

Cyrtopogon curtistylus Curran, 1923: 133 .

Recognition characters: Blackish species; length 15–18 mm; third antennal segment black; mystax of male yellow, female mystax black; thorax shining black with conspicuous marginal bristles; scutellum entirely shining black and with coarse, black pile of even length; wings hyaline on basal half, outer half yellowish brown fading out apically and posteriorly; abdomen shining black, male first segment with reddish yellow pile, female sparsely yellow setae; male 2–4 with long orange colored pile, female with black setae; legs black, pile rather abundant, tarsal joints in part brownish; upper surface of fore tibiae in male silvery white pile, in female golden pile.

Distribution: CARBON: Elk Mtn., 25 July 1971 ( RJL), 2 nd label: courting male/on road/12: 20 p. m. SUB- LETTE: 16 km N of Pinedale, 31 July 1968 ( WAN); TETON: Teton National For., Big Game Ridge, elevation 2,896 m (9,500 ft) (specimen in CAS); Teton National Park, 2,896 m (9,500 ft) 5 Aug. 1961 ( JGE). YELLOWSTONE NATIONAL PARK: 4898N527.5E, 14 July 1990, malaise trap.

Habitat: Sagebrush steppe shrub and grassland vegetation types.

Ethology: Nothing known.

Prey: None known.