Clavate Tortoise Beetle, Plagiometriona clavata (Fabricius)

Figure 1.  Adult clavate tortoise beetle, Plagiometriona clavata (Fabricius).  Credit: David Cappaert,
Plagiometriona clavata (Fabricius) is common and can be recognized easily by its general form and appearance. Written for Featured Creatures Collection by Robert E. Woodruff. Original publication date December 2006, revised August 2015. (Photo Credit: David Cappaert,

A guide to Florida's common bark and ambrosia beetles

screen shot of title pageThis 36-page guide provides an introduction to the biology and identification of Florida’s bark and ambrosia beetles. Written by Craig Bateman and Jiri Hulcr, and published by the UF Department of School of Forest Resources and Conservation, September 2014.

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.