Stenopogon rufibarbis Bromley

Stenopogon rufibarbis Bromley, 1931b: 431 .

Recognition characters: Blackish species, head densely yellowish gray pollinose, thorax golden brown pollinose; length 20–23 mm; mystax reddish; mesonotum black, golden brown pollinose, bristles orange; scutellum black, golden brown pollinose with 10 orange marginal bristles; wings brown, basal half of anal, basal 4/5 of anal cell, and the alula white; abdomen shining black, narrow anterior and posterior margins densely and broad lateral margins thinly gray pollinose, setae short orange, longer on sides of segments 1–3; legs reddish, basal 4/5 of femora black, setae and bristles orange; genitalia reddish, male setae orange, long and dense apically on arms of hypandrium that is not divided when viewed ventrally.

Distribution: TETON: Grand Teton National Park, 21 June 1930 (ECVD). Recorded from Wyoming by: Adisoemarto (1967); Geller-Grimm (2018).

Habitat: Sagebrush steppe shrub and grassland vegetation type.

Ethology: Nothing known.

Prey: None known.