The 2024 Montana Grasshopper Hazard Map from the USDA is shown below. This is a forecast based on our Adult survey data collected during the 2023 season. Although the predication is concerning, environmental factors could influence the reality next spring/summer. A similar map from 2023 showed the vast majority of Powder River County in the 3-<8 zone.
By PR Extension Office
The 2024 grasshopper prediction map is sobering, according to Powder River Extension Agent Mary Rumph. Much of the county is in the 8-15 grasshoppers per square yard; with a few areas in the "red zone", 15 grasshoppers or more. The prediction map is developed by USDA-APHIS and is based on the number of adult grasshoppers present in late summer.
There is a Grasshopper Management Workshop planned for December 19th beginning at 3 pm in the Custer County Event Center, in Miles City. Topics include: Grasshopper Biology and Population and the USDA Rangeland Grasshopper Suppression Program by Gary Adams and Hannah Lewis with the USDA-APHIS. Additional state and federal agencies (FSA & BLM) will also be presenting information regarding their role in assisting with the challenge of grasshoppers. Supper sponsored by Cow Town Ag Supply will be served at 5:00 pm, followed by a Fly Management Seminar to conclude the evening. Private applicator recertification will be available to participants.
Questions regarding the program should be directed to the Custer County Extension Office at 874-3370. Landowners who are concerned about grasshopper populations for the summer of 2024 are encouraged to attend the program.
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