Laphria janus McAtee, 1919

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 : 91-92

Laphria janus McAtee

Laphria janus McAtee, 1918: 153 .

Recognition characters: Black and yellow species; length 11–17 mm; mystax yellow above, black below; thorax black, heavily clothed with yellow pile; scutellum with 12–20 marginal straw white upright setae; wings brown; abdomen black, segments 1 and 2 with yellow pile laterally, segments 3–6 with orange pile dorsally; legs black, pile on femora largely yellow, pile and bristles on other segments black.

Distribution: ALBANY: Medicine Bow National For. at Libby Creek Campground, 2.4 km NW of Centennial, 3 July; North Fork Campground, 4 km NW of Centennial, 27 July–9 Sept.; North Fork Campground, N Fork, Little Laramie R, 27 July 1978 ( SWB); Pole Mtn., 17 July; Snowy Range Pass, 19 July; University of Wyoming Science Camp, Aug.; Vedauvoo, 13 July. CROOK: Black Hills National, For., Reuter Campground, 8 km N of Sundance, 8– 10 July. JOHNSON: Big Horn National For., Tie Rack Campground, 11–12 July. PARK: 24–25 July. SUB- LETTE: Bridger National For., Mulligan Park, 6 Aug. TETON: Grassy Lake, 16 km W of Flagg Ranch on Road No. 70, 1–12 Aug.; Grassy Lake, Targhee National For., 12 Aug. 1966 ( RJL); Teton Canyon, W side of Teton Range, 19 July; Teton Pass, Teton National For., 16 July 1937 ( WNB, Wilcox coll.). Recorded from Wyoming by: Adisoemarto (1967); Geller-Grimm (2018); Lavigne & Bullington (2001).

Habitat: Pine-douglas fir forest (clearings within the forest where shrubs and grasses are dominant), and sagebrush steppe shrub and grassland vegetation types. Clearings within mixed coniferous forest.

Ethology: Nothing known.

Prey: None known.