Top Crop Manager

News Insect Pests
OMAFRA: Planning ahead for western bean cutworm management


August 30, 2021
By Top Crop Manager

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Western bean cutworm (WBC) has become a mainstay pest in Ontario’s corn and dry bean crops. As such, it’s important to know when to scout for WBC for the best chance of preventing infestations. Peak WBC flight shortly precedes peak egg-laying, so knowing where the moths will be and when can help growers get ahead of the problem.

The Ontario Ministry of Agriculture, Food and Rural Affairs (OMAFRA) Field Crop Team has compiled a report on WBC peak flight data from the past five years, how it has translated into predictive flight models for this growing season, and the accuracy of those models by county. Dry bean crops in the week of July 29-Aug. 4 were particularly attractive to WBC moths. |READ MORE

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