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Scabrostomus Gordon and Skelley 2007
Scabrostomus Gordon and Skelley 2007: 521.

 
Scabrostomus peculiosus (Schmidt)
Photo by P. Skelley.
Classification
Superfamily.....
Family........... Subfamily......
Tribe.............
Scarabaeoidea
Scarabaeidae
Aphodiinae
Aphodiini
 

 

Aphodiinae Overview

Aphodiinae Key

Aphodiini Key
 
 
 
 
 
 
 
 
 
 
 
 
 

Type species. Aphodius peculiosus Schmidt 1922: 87, by original designation.

 
 
Diagnosis. Body length 2.9-5.0 mm, elongate, parallel-sided, not flattened; dark brown to black, elytra yellowish to dark brown. Head often tuberculate, surface strongly punctate, rugose or granulate. Clypeus rounded each side of median emargination. Pronotum not laterally explanate, basal line complete. Elytral surface smooth or rough with short setae. Metatibial apical spinules long or short, unequal in length. Metatarsus long, basal segment at least as long as superior spur.
 
 
 
 
 
 
 
Distribution. North America.
 
Composition. Scabrostomus contains 10 species.

Scabrostomus baileyi
(Skelley and Gordon 2001: 85-86) [Aphodius], SE-USA.
Scabrostomus bakeri (Skelley and Gordon 2001: 86-88) [Aphodius], SE-USA.
Scabrostomus dyspistus (Skelley and Woodruff 1991: 518) [Aphodius], SE-USA.
Scabrostomus kerni Gordon and Skelley 2007: 525, CA-USA.
Scabrostomus parapeculiosus Gordon and Skelley 2007: 525, AZ-USA.
Scabrostomus peculiosus (Schmidt 1922: 87) [Aphodius], Man.-Canada to TX-USA.
            = Aphodius longitarsis Fall 1907: 246 [not Aphodius longitarsis Harold 1860].
            = Aphodius tenuitarsis Reitter 1908: 36 [not Aphodius tenuitarsis Fairmaire 1897].
            = Aphodius peculiosus awemeanus Brown 1928: 306.
Scabrostomus sepultus (Cartwright 1944: 146) [Aphodius], KS, LA,TX-USA.
Scabrostomus siccatus Gordon and Skelley 2007: 530, CA-USA.
Scabrostomus skillmani (Warner and Skelley 2006: 59-61) [Aphodius], SW-US.
Scabrostomus tanytarsus (Skelley and Woodruff 1991: 521) [Aphodius], SE-USA.
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Life History. All species (except S. kerni and S. siccatus, no data available) are known pocket gopher burrow associates.
 
 
Larvae. Unknown.
 
Status of Classification. Three species groups are recognized in Scabrostomus (Gordon and Skelley 2007) based on external and genitalic differences. However, the majority of characters, as well as host data, unite all of the species.
 
 
 
 

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