A review of the North American species of Rhizophagus Herbst and a revision of the Nearctic members of the subgenus Anomophagus
By Bousquet Y. Can. Entomol. 122: 131-171, 1990
Full title: A review of the North American species of Rhizophagus Herbst and a revision of the Nearctic members of the subgenus Anomophagus Reitter (Coleoptera: Rhizophagidae) Abstract
(i've got a copy. =v=)
Monotomidae (Coleoptera) of the Maritime Provinces of Canada
By Majka C.G., Bousquet Y. J. Acad. Entomol. Soc. 6: 1-8, 2010
A very helpful, well-illustrated (habitus photos, maps) work summarizing data on this inadequately known group. The total of 9 spp. (5 Rhizophagus + 4 Monotoma) are known to occur in the area, incl. 4 adventive spp. of European origin. Full text