Atomosia sayii Johnson, 1903

Atomosia sayii Johnson, 1903: 113 .

Recognition characters: Black species; length 7–8 mm; mystax white; thorax black dorsally, gray pollinose laterally, setae on dorsum golden, on sides white; scutellum bare, setae and bristles golden; wings brownish; abdomen shining black, setae golden; legs yellow except that the apical tarsal segments are black above.

Distribution: FREMONT: Riverton, 15 June 1955 (FCH).

Habitat: Sagebrush steppe shrub and grassland vegetation type.

Ethology: Nothing known.

Prey: None known.