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WY Cooperative Agricultural Pest Survey

Biocontrol Efforts in Wyoming

Maps of Biocontrol Agent Activity

Dalmatian toadflax

Canada thistle

Leafy spurge

Musk thistle

Yellow toadflax

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

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WY CAPS Program

University of Wyoming

Dept. Ecosystem Science & Management: 3354

1000 East University Ave.

Laramie, WY 82071

Phone: (307)766-5278


1000 E. University Ave. Laramie, WY 82071
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