ON THE HISTORY AND HABITS OF THE “WOOD ENGRAVER” AMBROSIA BEETLE–XYLEBORUS XYLOGRAPHUS (Say), XYLEBORUS SAXESENI (Ratz.) – WITH BRIEF DESCRIPTIONS OF DIFFERENT STAGES.

Abstract

The Ambrosia beetles of the Scolytid genus Xyleborus present many features of interest to the student of systematic and economic entomology, and in Xyleborus xylographus we find a cosmopolitan species of unusual interest.