Laphystia canadensis Curran, 1927

Lavigne, Robert J. & Dennis, Steve, 2019, Robber flies (Insecta: Diptera: Asilidae) of Wyoming, USA with keys to genera and species, Zootaxa 4662 (1), pp. 1-126 : 94

Laphystia canadensis Curran

Laphystia canadensis Curran, 1927: 87 .

Recognition characters: Grayish species; length 10–12 mm; mystax snowy white; thorax gray pollinose with some brown dorsally; scutellar setae white; wings cinereous hyaline; abdomen black dorsally, gray pollinose laterally stretching onto dorsum at posterior margins, lateral setae on abdominal segment 1 white; legs, fore and middle femora gray pollinose, hind femora basal 1/4 orange to reddish and gray pollinose apically, tibiae orange basally and black apically, setae and bristles of legs white.

Distribution: Recorded from Wyoming by: Cole (1969); Fisher & Wilcox (1997); Geller-Grimm (2018); Martin & Wilcox (1965); Wilcox (1960) [1881, Morrison ( HKM)].

Habitat: Sagebrush steppe shrub and grassland, and grama-needlegrass-wheatgrass and wheatgrass-needlegrass grassland vegetation types.

Ethology: Nothing known.

Prey: None known.