Holopogon caesariatus Martin, 1959

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 : 79

Holopogon caesariatus Martin

Holopogon caesariatus Martin, 1959: 35 .

Recognition characters: Shining black species; length 7 mm; mystax blackish brown; thorax brown pollinose, narrowly light brown pollinose along the anterior margin, separated by a medial dark brown pollinose area; fairly long, fine, dense reddish brown setae, with patches of white along the anterior margin; scutellar setae long, dense, reddish mixed ventrally with a few white setae, bristles lacking; abdomen shining black, segment 1 laterally thinly brown pollinose with a tuft of white setae on the anterior corner, about 1/2 as long as the longer setae on the posterior half; segments 4–7 laterally with reddish brown setae; legs black; hind femora dorsally with recumbent, mixed white and reddish brown setae; hind tibiae with more stout bristles on the anterior ventral surface.

Distribution: PLATTE: Gray Rocks Ranch, Camp Guernsey, 25 June–22 July 2008 ( CSU, GMAD).

Habitat: Grama-needlegrass-wheatgrass grassland vegetation type.

Ethology: Nothing known.

Prey: None known.