Pseudagolius Schmidt 1913
Pseudagolius Schmidt 1913: 150.

Pseudagolius coloradensis (Horn) Photo by P. Skelley.

Type species. Aphodius coloradensis Horn 1870: 130, by subsequent designation.

Diagnosis. Body length 5.0-7.8 mm, elongate, somewhat robust, black with black or yellowish venter, rarely with speckled elytra. Head smooth, lacking frontal tubercles. Clypeus acute or weakly angulate each side of middle, not toothed; clypeus moderately to distinctly fimbriate along margin. Pronotal base bordered. Metatibial apical spinules long, alternately unequal.

Distribution. Canada, United States, Mexico.

Composition. Pseudagolius contains 4 species.

Pseudagolius (s.l.) bicolor (Say 1823: 136) [Aphodius], Canada, USA, Mexico.
                  = Aphodius comanchi Robinson 1940: 146.
Pseudagolius caballeroi (Islas 1946: 453) [Aphodius], Mexico.
Pseudagolius coloradensis (Horn 1870: 130) [Aphodius], Alta, Man.-Canada to Mexico.
                  = Aphodius flohri Bates 1887: 86.
Pseudagolius warneri Gordon and Skelley 2007: 315, AZ- USA, Mexico.

Life History. All are apparently surface dung generalists.

Larvae. Unknown.

References:
Gordon, R. D., and P. E. Skelley. 2007. A monograph of the Aphodiini inhabiting the United States and Canada (Coleoptera: Scarabaeidae: Aphodiinae). Memoirs of the American Entomological Institute 79: 580 pp.