Eucyrtopogon nebulo (Osten-Sacken)

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 : 75

Eucyrtopogon nebulo (Osten-Sacken)

Cyrtopogon nebulo Osten-Sacken, 1877: 309 .

Recognition characters: Brownish-black to gray species length 8–11.5 mm; mystax black; thorax grayish pollinose with brown stripes, dorsal longitudinal stripe is geminate, blackish brown; wings hyaline on basal 2/5, elsewhere with slight brownish tinge; scutellar setae white, bristles white but appearing brownish; abdomen greenish black, sides of segments 1–6 a posterior sub-oval white spot, vestige of spots on 7; lateral setae brown, basally whitish; legs black, with brownish red setae basally, whitish to yellowish towards apex, bristles yellowish white; tibiae chestnut brown.

Distribution: CARBON: 5 km SW of Hanna, 2 April 1990 (SD); YELLOWSTONE NATIONAL PARK: Tow- er Falls, 23 June 1941 ( CPA-UM); Upper Geyser Basin, 29 June 1941 ( CPA-UM). Recorded from Wyoming by: Adisoemarto (1967) (Jackson Lake area); Cannings (2013); Fisher & Wilcox (1997); Geller-Grimm (2018).

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

Ethology: Nothing known.

Prey: None known.