Grasshopper Management Q&A

I hear ranchers can get assistance from the USDA in grasshopper spraying. Who do I contact? Contact Eric Norderud at 406-449-5210 or erik.d.norderud@usda.gov. Please have a breakdown of private acres and government acres before you contact Eric.

Will the cold temperatures increase grasshopper egg mortality? The answer for 2023 is probably not. In Canada, few grasshoppers hatched following a winter with temperatures at negative 22 degrees Fahrenheit (Riegert, 1967). However, Canada had little snow cover during the time period when mortality occurred. Snow cover genera...