Most genera are small or even monotypic, and contain 1-8 dozen species. The type genusXyleborus contains over 500 species, but it is an unnatural grouping of species which are not closely related.[1] Key for the world genera of Xyleborini available through a North Carolina State University website.[2]
^Hulcr, J., Beaver, R. A., Dole, S. A., Cognato, A. I. 2007: Cladistic review of xyleborine generic taxonomic characters (Coleoptera: Curculionidae: Scolytinae). Systematic Entomology, 32, 568-584.
^"Archived copy". Archived from the original on March 10, 2012. Retrieved August 10, 2010.{{cite web}}: CS1 maint: archived copy as title (link)