Tarsi with distinct claws. These publications are presently the only comprehensive references on the subfamily. In the Nearctic region, the subfamily includes 26 genera and over 350 species. Faunal studies for other regions are currently in progress. New World Tribes Aphodiinae Eupariini Psammodiini Aphodiini Didactylini Aegialiini Rhyparini Termitoderini Ecology .
Aphodine beetles occupy numerous niches.
Many common species are generalist dung feeders, feeding on different types of dung. Other species are detritivores, feeding on decaying plant materials. Members of the Aegialiini are detritivores and are usually associated with sandy conditions, riparian, or littoral habitats. Some species of aphodiines live in association with ants. The Beetles of Northeastern North America.