Last year they invaded northeast Wyoming......Laramie County Weed and Pest Control District officials are preparing to sign up landowners for aerial spraying with an insecticide to kill the hungry pests...
1. Grasshopper Infestation Swarm Could Destroy Western USA Crops (March 31, 2010);
2. America's Western States Poised for Worst Grasshopper Swarms in Thirty (30) Years (June 2, 2010);
3. Montana Faces Worst Grasshopper Infestation in Twenty-Five (25) Years (July 26, 2010)