Lampria rubriventris (Macquart)

Laphria rubriventris Macquart, 1834: 284 .

Recognition characters: Black and orange species; length 9–14 mm; mystax yellow, recumbent, bristles lacking; wings brown; abdomen shining orange; legs, femora and hind tibiae black, fore- and mid-tibiae orange.

Distribution: FREMONT, Near Lander, 1,524 –2,438 m (5,000 –8,000 ft), Aug. 1895 (RM-UK); near Lander, Wyoming, 1,524 –2,438 m (5,000 –8,000 ft), July (RM-LACM). Recorded from Wyoming by: Fisher & Wilcox (1997); Geller-Grimm (2018).

Habitat: Sagebrush steppe shrub and grassland vegetation type.

Ethology: Nothing known.

Prey: None known.