Laphria sadales Walker

Laphria sadales Walker, 1849: p. 378 .

Recognition characters: Black species; length 9–13 mm / mystax black with mat of yellowish setae at upper corners; thorax black with short yellow setae dorsally; scutellar setae very short, yellow, scutellar bristles 4, black; wings brownish, abdomen black, clothed with very short yellow pile lateral setae on segment yellow; legs, femora and tibiae orange, tarsi black, setae on femora and tibiae black and yellow, bristles black.

Distribution: PARK: Pahaska Tepee (E entrance of Yellowstone Nat’l Park), 13 July1941 (CPA). SHERIDAN: 2.5 km NE of top of Granite Pass, elevation 2,690 m (8,825 ft) 25 July 1965 (HBL) (specimen in CAS). SUB- LETTE: Mulligan Park, Bridger National For., 6 Aug 1968. TETON: Grassy Lake, Targhee National For., 10 Aug. 1966, 11–13 Aug. 1967 (RJL); Paintbrush Canyon, Grand Teton National Park, 13 July 1949 (CPA); Teton National For., 2 Aug. 1972 (SD). YELLOWSTONE NATIONAL PARK: 13 km SE of the Old Faithful area, 04 Aug. 1964 (BDN) (specimen in CAS). Recorded from Wyoming by: Adisoemarto (1967) (Yellowstone); Dennis et al. (2010); Geller-Grimm (2018); Lavigne & Dennis (1994) (as Choerades sadales).

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

Ethology: Rests on and forages from logs in sun.

Prey: COLEOPTERA, Scraptiidae: Silaria sp., Grassy Lake, 8 Aug. 1967; DIPTERA, Chloropidae: Chlorops genarum Becker, Grassy Lake, 10 Aug. 1966; HEMIPTERA (Homoptera), Cicadellidae: Draeculacephala crassicornis Van Duzee, Pahaska Tepee, 12 Aug. 1964. COLEOPTERA, HEMIPTERA (Homoptera) (see Dennis et al. 2010; Lavigne & Dennis 1994 (as Choerades sadales).