Floate, K.D. and B.D. Gill. A 3-year total of 156,500 specimens representing 17 species was collected. Aphodius vittatus Say was the most common native species. Maps showing the Canadian distributions for 15 of these species were compiled from examination of collections and published records, and identify 10 new provincial records.
Most distributions are transcontinental with the distribution of O .
Aphodius pinguellus W.J. Brown, Canthon praticola LeConte, and A. coloradensis Horn are restricted to western Canada.