Trichonotulus Bedel 1911
Trichonotulus Bedel 1911: 378.

Trichonotulus scrofa (Fabricius) Photo by P. Skelley.

Type species. Scarabaeus scrofa Fabricius 1787: 11, by monotypy.
                 = Trichonotus Mulsant 1842: 294 [not Trichonotus Schneider in
                  Bloch 1801, Pices].

Diagnosis. Body length 3-5 mm, elongate, slightly flattened, dark brown to nearly black, dull, pronotum and elytra entirely pubescent. Head smooth, lacking frontal tubercles. Pronotal basal line entirely obsolete. Scutellum pentagonal. Elytral humerus not denticulate.

Distribution. Afrotropical (?), Oriental, Palearctic, northeastern North America (introduced).

Composition. Worldwide, Trichonotulus contains 2 species, one of which occurs in the New World.

Trichonotulus scrofa (Fabricius 1787: 11) [Scarabaeus], Europe and Central Asia, northeastern USA (introduced).
                  = Aphodius cinereus Mulsant and Rey 1870: 218.
                  = Scarabaeus fuscus Rossi 1792: 8.
                  = Scarabaeus minutus Herbst 1789: 269.
                  = Trichonotus setiger Mulsant 1842: 294.
                  = Aphodius stercoris Gistel 1857: 574.
                  = Scarabaeus tomentosus Kugelann 1792: 269.

Life History. Adults are infrequently collected, but may be surface dung generalists.

Larvae. Unknown.

References:
Dellacasa, G., P.Bordat and M.Dellacasa. 2001. A revisional essay of world genus-group taxa of Aphodiinae (Coleoptera Scarabaeoidea: Aphodiidae). Memorie della Società Entomologica Italiana [2000] 79: 1-482.
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.