Leptogaster hesperis Martin

Leptogaster hesperis Martin, 1957: 378 .

Recognition characters: Grayish black species; length 11 mm; mystax pale; thorax black, gray pollinose, male with “V” shaped medial stripe, female with parallel median stripes, indefinite brown lateral stripes; scutellum gray pollinose; wings with more microtrichia apically than basally; abdomen black, dorsally brown pollinose, laterally and ventrally gray pollinose, posterior gray pollinose bands on segments 1–5, short erect sparse setae more abundant laterally and posteriorly on segment 2; fore and mid legs yellow; posterior femora yellow, reddish brown apically, tibiae yellow basally, reddish brown anteriorly.

Distribution: SHERIDAN: Sheridan, WANG, LTA, 2001a (CSU, GMAD).

Habitat: Grama-needlegrass-wheatgrass vegetation type.

Ethology: Nothing known.

Prey: None known.