Stenopogon engelhardti Bromley, 1937

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 : 108

Stenopogon engelhardti Bromley

Stenopogon engelhardti Bromley, 1937: 301 .

Recognition characters: Blackish species, vestiture of head, thorax, legs, and base of abdomen straw colored; length 15–20 mm; mystax yellowish white; thorax shining black, grayish brown pollinose, bristles yellowish white, setae black; scutellum black, golden brown pollinose with 6 yellowish and 3 black marginal bristles; wings brown, basal 3/5 of anal and basal 4/5 of anal (axillary of authors) cell and alula, white; abdomen shining black shining black, broad lateral margins and narrow anterior and posterior margins, gray pollinose; legs yellowish red, basal 5/6 femora black and apical half of hind tibiae brownish; male genitalia black, apex and inner side of epandrium with long, dense yellowish setae curved inward at tips; hypandrium broadly “U” shaped when viewed ventrally.

Distribution: CARBON: Bottle Creek Campground, Sierra Madre Mtns., Mulligan Park, Bridger National Forest, 5 July–6 Aug. ( RJL).

Habitat: Douglas fir forest and pine-douglas fir forest (both in clearings within the forest where shrubs and grasses are dominant) vegetation types.

Ethology: Nothing known.

Prey: None known.