Asilus aridalis Adisoemarto, 1967: 63.
Recognition characters: Yellowish gray to gray species; length 7–10 mm; mystax in male white with few black setae above, female mostly white, only white on lower margin; thorax yellowish gray pollinose; scutellum yellowish gray pollinose with two marginal bristles; wings hyaline; abdomen grayish pollinose; legs, femora black with posterior sides reddish yellow; tibiae orange yellow, black apically, tarsi orange yellow.
Distribution: UINTA: Lyman, 24 June 1935 (RHB) (specimen in CAS).
Habitat: Sagebrush steppe shrub and grassland vegetation type.
Ethology: Nothing known.
Prey: None known.