Horned passalus, Odontotaenius disjunctus (Illiger) (Insecta: Coleoptera: Passalidae: Passalinae) (EENY487/IN879)

This 6-page illustrated fact sheet describes the commonly encountered and easily recognizable beetle, also known as the “betsy beetle,” that is a beneficial decomposer of decaying wood or logs. Includes synonymy, distribution, description, life cycle and biology, feeding habitat, sounds, and selected references. Written by Christopher S. Bibbs, Amanda C. Hodges, and Rebecca W. Baldwin, Published by the UF Department of Entomology and Nematology as part of the Featured Creatures collection, December 2010.