Lasiopogon polensis Lavigne, 1969

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 : 114-115

Lasiopogon polensis Lavigne

Lasiopogon polensis Lavigne, 1969: 363 .

Recognition characters: Brownish black species; length 6–8.5 mm; mystax black; thoracic setae and bristles black, except those of pronotum, postpronotal lobe and few at base of metanotum white; 6 marginal scutellar bristles, 5 black, 1 white; abdomen brown tomentose basally and gray tomentose apically; male genitalia shining black, setae of surstyli yellowish brown; dististyle stalk like with a circular convex plate at apex; legs black.

Distribution: ALBANY: Pole Mtn., 2,438 m (8,000 ft), 12 km SE of Laramie ( RJL) (type series, 19–28 June 1965); Pole Mtn., 16 June 1964 ( RJL, FRH) (one holotype and two other specimens deposited in USNM), 16 June 1964 ( RJL, FRH) (two male and three female paratypes in CAS); Pole Mtn., 21 June 1965 ( RJL) (specimen in USNM). Recorded from Wyoming by: Cannings (2013); Dennis et al. (2010); Fisher & Wilcox (1997); Geller- Grimm (2018); Lavigne & Holland (1969) (as prey of Cyrtopogon willistoni ); Lavigne (1969).

Habitat: Pine-douglas fir forest (clearings within the forest where shrubs and grasses are dominant) vegetation type. Intermittent stream bed with mountain mahogany as the dominant shrub ( Cercocarpus montanus Raf. ), flowing through mixed coniferous forest (see Lavigne 1969; Lavigne & Holland 1969).

Ethology: Forages from the ground or from small pebbles or other objects on the ground (see Lavigne & Holland 1969)

Prey: DIPTERA , HEMIPTERA (Homoptera) , HYMENOPTERA (see Dennis et al. 2010; Lavigne 1969; Lavigne & Holland 1969).