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Teuchestes Mulsant 1842
Teuchestes Mulsant 1842: 176.

Teuchestes fossor (Linnaeus)
Photo by P. Skelley.
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Type species. Scarabaeus fossor Linnaeus 1758: 348, by monotypy.

Diagnosis. Body length 8.0-12.0 mm, elongate, robust, black. Head with frontal lobes not auriculate, frontal suture tuberculate. Pronotum smooth, weakly punctate. Scutellum long, triangular. Elytron not flattened on disc, concealing pygidium; striae shallow. Metatibial apical spinules short, equal in length.
Distribution. Palearctic, North America (introduced).
Composition. Worldwide, Teuchestes contains 7 species, one of which is introduced into the New World.

Teuchestes fossor
(Linnaeus 1758: 348) [Scarabaeus], holarctic, N. America (introduced).
                  = Aphodius brunneus Mulsant 1842: 177.
                  = Aphodius femoralis Sahlberg 1924: 14.
                  = Aphodius fossorius Gistel 1857: 599.
                  = Aphodius scutellearis Depoli 1938: 251.
                  = Aphodius sylvaticus Ahrens 1812 : 33.
                  = Scarabaeus triangulum Piller and Mitterpacher 1783: 97.
Life History. Adults are frequently collected in bovine dung.
Larvae. The larvae of T. fossor has been most recently described in Ritcher (1966).

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.
Ritcher, P.O. 1966. White grubs and their allies: A study of North American scarabaeoid larvae. Oregon State University Press, Corvallis, Oregon. Studies in Entomology 4: 219 pp.

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Author: Paul Skelley

Generated on: 05/MAY/08.....Last modified: 05/MAY/08
University of Nebraska State Museum - Division of Entomology