Bostrichus xylographus Xyleborus inermis Xyleborus canadensis North American Xyleborini north of Mexico: a review and key to genera and species (Coleoptera, Curculionidae, Scolytinae) Gomez, Demian F. Rabaglia, Robert J. Fairbanks, Katherine E. O. Hulcr, Jiri ZooKeys 2018 768 19 68 8J8WM Say, 1826 Say 1826 Insecta Curculionidae Xyleborus CoL Animalia Xyleborus xylographus Coleoptera 25 44 Arthropoda species xylographus    BostrichusxylographusSay, 1826.  Xyleborus inermisEichhoff, 1868. Synonymy Eichhoff 1878.  Xyleborus canadensisSwaine, 1917. Synonymy Wood 1957.  Type material. Neotype female; North Carolina; CNCI.  Distribution. Asia (introduced); North America: Antilles, Canada: British Columbia, Ontario, Quebec; United States: Arkansas, California, District of Columbia, Florida, Georgia, Illinois, Indiana, Iowa, Kansas, Kentucky, Maine, Maryland, Massachusetts, Michigan, Minnesota, Mississippi, Missouri, New Hampshire, New Jersey, New York, North Carolina, Ohio, Oklahoma, Oregon, Pennsylvania, South Carolina, Utah, Virginia, West Virginia, Wisconsin.  Notes. Distinguished by the lusterless and steep declivity, occupying no more than posterior 15% of elytra.  Figure 18. Lateral and dorsal views of Xyleborusspecies. From top left, Xyleborus spinulosus, X. viduus, X. volvulusand X. xylographus. Scale bar: 1.0 mm.