First Records of Xyleborinus octiesdentatus (Murayama) (Coleoptera, Curculionidae, Scolytinae) From North America

Xyleborinus octiesdentatus (Murayama), an ambrosia beetle native to Asia, is reported for the first time in North America based on specimens from Alabama and Louisiana. This is the twenty-first species of exotic Xyleborina documented in North America. A re-description of the female and a key to the four North American species of Xyleborinus are presented