Megaphorus willistoni (Cole)

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 : 50

Megaphorus willistoni (Cole)

Mallophorina willistoni Cole, 1964 (in Cole & Pritchard 1964): 74.

Recognition characters: Grayish species; length 12–14 mm; mystax white; thorax light yellow pilose dorsally, white pilose laterally, scutellar setae white, bristles lacking; wings brownish; abdomen straw white pilose, lateral setae on first abdominal segment white; legs, femora black above, orange below, tibiae orange with setae and bristles largely straw white, majority of bristles at apex of tibiae straw white, tarsi reddish brown with setae yellow white above and bristles black.

Distribution: FREMONT: 16 km S of Shoshoni, 7 Sept. 1965 ( RJL).

Habitat: Sagebrush steppe shrub and grassland, and grama-needlegrass-wheatgrass, grama-buffalo grass, and wheatgrass-needlegrass grassland vegetation types. Open rangeland, short grass plains.

Ethology: Nothing known.

Prey: None known.