Dr. Fei Yang, Extension corn entomologist, and Bruce Potter, Potter Bros., LLC
The Minnesota Cooperative Black Cutworm Trapping project detected more significant black cutworm moth arrivals last week. These significant captures were in the eastern part of the trap network; brought by favorable winds and black cutworm moths ready to migrate from overwintering areas to the south.
Report #5 includes some scouting advice. Larvae from mid-April moth arrivals should be large enough to cut small corn the last week of May.
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| Figure 1. Black cutworm moth captures April 26 – May 5, 2025. Color shading represents the maximum two night captures for trap(s) in the county |
Report #5 includes some scouting advice. Larvae from mid-April moth arrivals should be large enough to cut small corn the last week of May.
Information on moth arrivals earlier this spring can be found in previous 2025 UMN Cooperative Black Cutworm Trapping Network Reports. These along with previous year's reports and other black cutworm information are on the Black Cutworm Reporting Network.
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