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Dellacasiellus Gordon and Skelley 2007
Dellacasiellus Gordon and Skelley 2007: 483.

Dellacasiellus laevigatus (Haldeman)
Photo by P. Skelley.
Family........... Subfamily......


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Type species. Aphodius concavus Say 1823: 214, by original designation.

Diagnosis. Body length 6.0-8.8 mm, elongate, robust, reddish-brown. Head surface smooth. Clypeal margin weakly angulate to toothed, with distinct fringe of setae. Base of elytral striae 3-5 widened, base of intervals narrowed. Elytral epipleural fold with setose groove at base (absent only in D. laevigatus).
Distribution. Canada, US, and Mexico.
Composition. Dellacasiellus presently contains 12 species.

Dellacasiellus carpinterius
Gordon and Skelley 2007: 488, CA-USA
Dellacasiellus claudus (Fall 1932: 188) [Aphodius], SW-USA, Mexico.
Dellacasiellus concavus (Say 1823: 214) [Aphodius], IN-MN-NE-TX-USA, Mexico.
                  = Aphodius cressoni Robinson 1946: 51.
Dellacasiellus fucosus (Schmidt 1922: 230) [Aphodius], CA-USA, Mexico.
                  = Aphodius rubidus LeConte 1857: 41 [not Aphodius rubidus Olivier 1789].
Dellacasiellus glamisensis Gordon and Skelley 2007: 494, CA-USA.
Dellacasiellus griffini Gordon and Skelley 2007: 499, TX-USA.
Dellacasiellus humboldti Gordon and Skelley 2007: 495, NV-USA.
Dellacasiellus kirni (Cartwright 1944: 131) [Aphodius], TX-IN-WI-MN-USA, Mexico.
Dellacasiellus laevigatus (Haldeman 1848: 103) [Aphodius], SE-USA.
                  = Aphodius goffi Cartwright 1939: 354.
Dellacasiellus milleri Gordon and Skelley 2007: 496, TX-NM-USA.
Dellacasiellus pseudofucosus Gordon and Skelley 2007: 497, CA-USA, Mexico.
Dellacasiellus ruficlarus (Fall 1932: 189) [Aphodius], SW-USA, Mexico.
                  = Aphodius subcarinatus Robinson 1946: 50, Utah-USA.
Life History. All species appear to use pocket gophers as primary hosts. Members of a few species have been collected in prairie dog or other rodent burrows.
Larvae. Unknown.
Status of Classification. Two species groups are recognized within Dellacasiellus based on differences in distribution, number of setal rows on metatarsus, and potential preferences in soil types (Gordon and Skelley 2007).

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