Allidiostomatinae is a subfamily of beetles in the scarab beetle family, Scarabaeidae. It is distributed in southern South America. Of the 10 species, 7 are endemic to Argentina. Others can also be found in Chile and Peru.
Little is known about the biology of these beetles.
The subfamily was made up of the single genus Allidiostoma until 2009, when a second was erected for the new species Parallidiostoma tricornum.
Genera and species include:
- Ocampo, F. C. and J. Colby. (2009). Parallidiostoma tricornum Ocampo and Colby, a new genus and species of Allidiostomatinae from Peru (Coleoptera: Scarabaeidae). Zootaxa 2287 64-68.
- Jameson, M. L. and F. C. Ocampo. Allidiostomatinae. Generic Guide to New World Scarab Beetles. University of Nebraska State Museum. 2005 Version.
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