Xyleborus viduus Eichhoff. 1, Pronotum. 2 and 3, Side view. 4, Top view. Photo credits: R. J. Rabaglia, S. A. Stephens, and A. I. Cognato (In Press) A Review of the Xyleborina (Coleoptera: Curculionidae: Scolytinae) in America North of Mexico, with an Illustrated Key (//hymenoptera.tamu.edu/keys/index.php).