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Irrasinus Gordon and Skelley 2007
Irrasinus Gordon and Skelley 2007: 367.

Irrasinus stupidus (Horn)
Photo by P. Skelley.
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Type species. Aphodius stupidus Horn 1870: 125, by original designation.

Diagnosis. Body length 3.2-5.2 mm, elongate, moderately robust, dark brown to black. Head and pronotum densely punctured. Pronotum with distinct marginal line at base. Elytral surface setose, with dulling microsculpture, humerus not dentate. Protibial dorsal surface impunctate. Metatibia apically fimbriate with long, alternately unequal spines.
Distribution. Southeastern North America.
Composition. Irrasinus presently contains 2 species.

Irrasinus dumasi
Gordon and Skelley 2007: 368, SE-US
Irrasinus stupidus (Horn 1870: 125) [Aphodius], SE-USA.
Life History. Both species are apparently winter-active, surface generalist dung feeders.
Larvae. Unknown.

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.

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Author: Paul Skelley

Generated on: 01/MAY/08.....Last modified: 01/MAY/08
University of Nebraska State Museum - Division of Entomology