Resources

NEW Biocontrol Agent Card Decks for Noxious Weeds

Six new card decks focusing on common biocontrol insects released on invasive plants are now available! Each user-friendly card deck describes the insect and mite species used on a particular weed species in the US and Canada. Learn how to identify and monitor the insects and the plants they impact. Choose from Thistles, Cirsium thistles, Tansy ragwort, St. Johnswort, Broom and Gorse, and Bindweeds. To request your copy, email crissp@uidaho.edu.
 

NEW  Noxious Weeds Identification Book 

The 4th edition of Idaho's Noxious Weeds identification book is now available. The guide book features color photos of all 57 noxious weeds in Idaho and descriptions and characteristics of each invasive plant. Also featured is a handy control guide to aide you in your management efforts. To order your copy today, please contact the University of Idaho’s Educational Publications Warehouse at (208) 885-7982. The identification books are $5 per copy.
 

Biocontrol Manuals

Want to learn more about insects that eat invasive plants? Browse the manuals online. Just click on the links below.  Please be patient downloading manuals as the files are large.

Biology and Biological Control of Dalmatian and Yellow Toadflax
Biology and Biological Control of Exotic True Thistles
Biology and Biological Control of Knapweed
Biology and Biological Control of Leafy Spurge
Biology and Biological Control of Purple Loosestrife
Biology and Biological Control of Yellow Starthistle
 

Photo credit: University of Idaho, C. Roché and Nez Perce Biocontrol Center

Idaho Weed Resource Website

Interested in learning more about invasive plants, identification, and control?
Click here to explore the newest Idaho website devoted to weed resources.