Dr. Fei Yang – Extension Corn Entomologist, University of Minnesota Department of Entomology, and
Bruce Potter – Potter Brothers, LLC and University of Minnesota Extension retired
Again in 2025, the University of Minnesota Black Cutworm Cooperative Trapping Program will track the migration of black cutworm and armyworm moths into Minnesota. This project is funded by Minnesota farm families and their checkoff dollars.
University and industry cooperators check their pheromone traps each day. Their trap captures help us determine the timing and relative size of moth arrivals into Minnesota. These data are helpful in identifying the timing and location of moth migrations that might threaten corn and other crops. Trap data and degree-days for larval development are analyzed each week.
Bruce Potter – Potter Brothers, LLC and University of Minnesota Extension retired
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| Early (2nd) instar black cutworm and its leaf feeding on 1-leaf corn. Photo: Bruce Potter |
University and industry cooperators check their pheromone traps each day. Their trap captures help us determine the timing and relative size of moth arrivals into Minnesota. These data are helpful in identifying the timing and location of moth migrations that might threaten corn and other crops. Trap data and degree-days for larval development are analyzed each week.
Alerts will be posted here on Crop News. Issue #1 can be found at: https://swroc.cfans.umn.edu/bcw-2025-01.
Additional weekly issues will be posted at https://swroc.cfans.umn.edu/research/ipm/bcw-network.
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