Cyrtopogon callipedilus Loew, 1874

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 callipedilus Loew

Cyrtopogon callipedilus Loew, 1874: 358 .

Recognition characters: Blackish species; length 9–12 mm; mystax white above, black below; third antennal segment black; thorax gray and brown pollinose; scutellum shining black, scutellar setae black; abdomen shining black, lateral setae on segments 1 and 2 white; legs, femora black, tibiae yellow; in males, patches of silvery white setae on fore tarsal segments 2–5; parted on all segments; expanded fan of black setae on segments 4 and 5 of mid tarsi about six times the width of the joints.

Distribution: YELLOWSTONE NATIONAL PARK: Yellowstone Lake, 18 July 1936 ( SWB-USU). Recorded from southern Wyoming, 2,438 m (8,000 ft) by Williston (1883) and Back (1909), and from Wyoming by Melander (1923a).

Habitat: Douglas fir forest, and sagebrush steppe shrub and grassland vegetation types.

Ethology: Nothing known.

Prey: None known.