J.  Hulcr, Dole, S. A., Beaver, R. A., and Cognato, A. I., ?Cladistic review of generic taxonomic characters in Xyleborina (Coleoptera: Curculionidae: Scolytinae)?, Systematic Entomology, vol. 32, pp. 568-584, 2007.

R. A.  Beaver and Hulcr, J., ?A review of the ambrosia beetle genus Cryptoxyleborus Schedl (Coleoptera: Curculionidae: Scolytinae)?, Coleopterists Bulletin, vol. 62, pp. 133-153, 2008.