Utah State University Extension
This publication provides information on Utah's top priority invasive insects that have been reported in the state as well as some invasive insects that are considered to be a threat to Utah's agriculture and natural resources, but have only been reported elsewhere in the U.S. and abroad. Included is a brief description of each invasive insect, its host(s) and current distribution, symptoms to watch out for, and graphs of its expected activity throughout the season.
Spears, Lori R. and Ramirez, Ricardo A., "Invasive Insect Field Guide for Utah" (2014). All Current Publications. Paper 691.