Laphria fernaldi (Back)
Dasyllis fernaldi Back, 1904: 290 . Recognition characters: Yellow and black species; robust; bumblebee mimic; length 16–19 mm; mystax yellow above, black below; thorax black with dense mat of short yellow setae dorsally; scutellar setae and bristles black; wings brownish; abdomen black, lateral setae of abdominal segments 1 and 2 yellow, dorsum of segments 3 and 4 and laterally on segments 5, red pilose dorsum of segment 5 and 6 yellow pilose; legs black, setae and bristles both black and yellow. The red pile on the abdomen distinguishes this species from other Laphria .
Distribution: ALBANY: Evans Creek, Snowy Range Mtns., 2,874 m (9,430 ft), 3 Sept. 1959 (RJL); Laramie, 3 Aug. 1939 (WBO); Libby Creek, Snowy Range Mtns., 2,896 m (9,500 ft), 27 June 1960, 24 June 1962 (RJL); Libby Creek Campground, Snowy Range Mtns., 25 Aug.1963, 3 July 1967 (RJL). CARBON: Elk Mtn., 19 July 1972, 7 Aug. 1972 (SD). PARK: Pahaska Tepee (E entrance of Yellowstone Nat’l Park), 12 Aug. 1964 (FRH, RJL). PLATTE: Dwyer, 16 May 1963 (RJL). SUBLETTE: Pinedale, 6 July 1941 (CPA). TETON: Grassy Lake, Targhee National For., 10 Aug. 1966, 1967 (RJL); Jackson, 13–17 July 1920 (?- AMNH); North Cascade Canyon Divide, 2,438 M (8,000 ft), 7 July 1959 (DCL); Swan Lake, Grand Teton National Park, 6 Aug. 1966 (RJL). YELLOW- STONE NATIONAL PARK: 30 July 1930 (?- FDA). Recorded from Wyoming by: Adisoemarto (1967) (Yellowstone, Jackson, as Bombomima fernaldi); Dennis & Lavigne (2007); Geller-Grimm (2018); Lavigne & Bullington (1984, 2001); Miller (1978).
Habitat: Douglas fir forest and pine-douglas fir forest; sagebrush steppe shrub and grassland, and gramaneedlegrass-wheatgrass grassland vegetation types.
Ethology: Rests on and forages from soil or sunlit fallen logs (general, see Lavigne & Bullington 1984; territoriality, see Lavigne & Bullington 2001).
Prey: COLEOPTERA, DIPTERA, HEMIPTERA (Heteroptera), HYMENOPTERA, LEPIDOPTERA, PLE- COPTERA (see Dennis & Lavigne 2007; Lavigne & Bullington 1984).