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A Hawkmoth caterpillar on leafy spurge. Hawkmoths are used as biological control on leafy spurge in Montana.
Weeds are a big problem.
Learn more about how you can help stop the spread of weeds by clicking on the fun activities linked below.
External Links
Discover Montana's Ecosystems
The Weed Web
Montana War on Weeds
Invader Rangers
Idaho Is Under Attack!
Invader Ranger Clubhouse!
Published: Mon Dec 10 17:21:00 MST 2012.
Last Modified: Mon May 06 15:46:01 MDT 2013