.....Guide Home Taxa Map

Keys to Taxa

Catalogs Gallery Search

Rhysothorax Bedel 1911
Rhysothorax Bedel 1911: 93.

Rhysothorax rufus (Fabicius)
Photo by P. Skelley.
Family........... Subfamily......


Aphodiinae Overview
Aphodiinae Key
Aegialiini Key
Type species. Scarabaeus rufa Fabricius 1792: 39, by monotypy.
  = Anomalaegialia Brown 1931: 15. Type species: Aegialia spissipes LeConte 1878: 611, by monotypy.

Diagnosis. Body length 3.6-5.5 mm, elongate, robust; reddish brown. Terminal segment of maxillary palpus widened at basal third. Pronotum with basal line indistinct or lacking.


Distribution. Palearctic; boreal North America.


Composition. Worldwide, Rhysothorax contains a single species which also occur in the New World.

Rhysothorax rufus
(Fabicius 1792: 39) [Scarabaeus], Europe, northern North America (introduced?)
                  = Scarabaeus sabuleti var $ Paykull 1798: 27.
                  = Aegialia spissipes LeConte 1878: 611.
                  = Aegialia (Rhysothorax) rufina Silfverberg 1977: 91, (see ICZN 1998: 54).
                  = Monthon arnoldii Medvedev 1951: 546.
                  = Aegialia spissa LeConte, misspelling in Schmidt 1912: 7.


Life History. Some specimens were recently collected in sandy areas near bodies of water.


Larvae. Unknown.


Gordon, R. D., and O.L. Cartwright. 1988. North American representatives of the tribe Aegialiini (Coleoptera: Scarabaeidae). Smithsonian Contributions to Zoology 461: 1-37.
Stebnicka, Z. T. 1977. A revision of the world species of the tribe Aegialiini (Coleoptera: Scarabaeidae: Aphodiinae). Acta Zoologica Cracoviensia 22(11): 397‑506.
Stebnicka, Z. T., M. Dellacasa, and P. E. Skelley. 2004. Review of the New World Aegialiini (Coleoptera: Scarabaeidae: Aphodiinae), with the description of two new genera from South America. Insecta Mundi [2003] 17(1-2): 73-83.

.... Entomology Home Research UNSM Entomology Database Scarab Workers

Author: Paul Skelley

Generated on: 28/APR/08.....Last modified: 28/APR/08
University of Nebraska State Museum - Division of Entomology