Oxyomus Dejean 1833
Oxyomus Dejean 1833: 163.

Oxyomus sylvestris (Scopoli) Photo by P. Skelley.

Type species. Scarabaeus sylvestris Scopoli 1763: 5, by subsequent designation.
	= Amidorinus W. Koshantshikov 1912: 519. Type species: Amodorinus rosti Koshantschikov 1912, by monotypy.

Diagnosis. Body length 2.5-4.0 mm, elongate, dark brown to black. Pronotum coarsely punctate, with shallow, median longitudinal groove at base. Elytral humerus dentate; intervals carinate; strial punctures larger than interval width.

Distribution. Europe to southeast Asia, Mexico, North America (introduced).

Composition. Worldwide, Oxyomus contains approximately 27 species, 2 of which occur in the New World.

Oxyomus sylvestris (Scopoli 1763: 5) [Scarabaeus], Europe; northern North America (introduced).
                  = Scarabaeus fenestralis Schrank 1781: 17.
                  = Scarabaeus foveolatus Moll 1785: 170.
                  = Aphodius foveolatus Mulsant 1842: 309.
                  = Oxyomus opacifrons Horn 1871: 284.
                  = Ips platycephalus Marsham 1802: 56.
                  = Scarabaeus porcatus Fabricius 1775: 20.
Oxyomus setosopunctatus Schmidt 1911: 15, Mexico.

Life History. Unknown. Oxyomus sylvestris is occasionally collected in bovine dung or wet rotting plant matter.

Larvae. The larva of O. sylvestris is described in Ritcher (1966).