Pogonioefferia pogonias (Wiedemann)

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 : 42

Pogonioefferia pogonias (Wiedemann)

Asilus pogonias Wiedemann, 1821: 198 .

Recognition characters: Reddish brown species; length 18–27 mm; mystax yellow, few black bristles below laterally; thorax black, uniformly brown tomentose except yellow tomentose on reddish areas, three strong black bristles laterally on the transverse suture, 2 above the wing base; scutellum yellowish brown tomentose, the disc covered with long, black, weak setae-like bristles, 12 strong, black bristles on the posterior margin; wing veins margined with yellow; abdominal segments 2–4 with reddish incisures; in males dorsum of abdominal segments 1–5 and venter of segments 2–5 black setae, segments 6–7 silvery without white parted setae on any segments; in females dorsum of abdominal segments 1–7 and venter of at least segments 2–3 black; femora black, middle femora obscured red apically and ventrally, tibiae red, darkened apically, femora and tibiae with black and white setae mixed.

Distribution: ALBANY: Laramie, 15 Aug. 1978 ( GS) (specimen in NMSCA). Recorded from Wyoming by Martin & Wilcox (1965) (as Efferia pogonias ).

Habitat: Sagebrush steppe and wheatgrass-needlegrass shrub steppe shrub and grassland, and grama-needlegrass-wheatgrass, grama-buffalo grass and wheatgrass-needlegrass grassland vegetation types.

Ethology: Nothing known.

Prey: None known.