WY Cooperative Agricultural Pest Survey
Biocontrol Efforts in Wyoming
Maps of Biocontrol Agent Activity
WYO-BIO Handbook
We use a variety of biological agents to control weed outbreaks in the state of Wyoming. Check out the following online reference guide to learn more about biocontrol agents and their use in Wyoming.
Compiled by Timothy Collier, University Of Wyoming, with contributions from the following:
- Lars Baker, Fremont County Weed & Pest
- Steve Brill, Goshen County Weed & Pest
- Brian Connely, Natrona County Weed & Pest
- Rick Hansen, USDA APHIS PPQ
- Jeff Littlefield, Montana State University
- Scott Nield, Lincoln County Weed & Pest
- Brett Richardson, Teton County Weed & Pest
- Dick Sackett, Crook County Weed & Pest
- Bruce Shambaugh, USDA APHIS PPQ
- Nancy Webber, Fremont County Weed & Pest
Contact Us
Cooperative Agricultural Pest Survey
Department of Ecosystem Science & Management
- 1000 E. University Ave
- Laramie, WY 82071
- Dept. 3354
- Email: caps@uwyo.edu
- Phone: (307) 766-5278
The University of Wyoming has earned its Research Level 1 (R1) status from the Carnegie Classification of Institutions of Higher Education, placing Wyoming's only four-year university with the top research universities in the United States.

WYOBIO HANDBOOK: A Guide to Weed Biological Control in Wyoming