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Corn Earworm Management in Hemp

The corn earworm (Helicoverpa zea) is a serious insect pest of outdoor hemp grown for smokable flower and CBD production in Oregon. The corn earworm occurs across North America, except in Alaska and northern Canada. It goes by many common names based on the crop where it inflicts economic loss, such as corn earworm in corn, soybean podworm in soybean, and cotton bollworm in cotton.