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Scouting Sessions: Late-Season Pea Leaf Weevil Scouts in Field Peas and Faba Beans

Sep 14, 2021

Video: Scouting Sessions: Late-Season Pea Leaf Weevil Scouts in Field Peas and Faba Beans


During the late summer and early fall, pea leaf weevil (PLW) adults are feeding on peas and faba beans before moving to overwintering areas (perennial legumes). PLW prefer faba beans over peas, but can cause economic damage in both crops. Scouting for PLW this growing season may be able to provide farmers with an indication of population levels for next year to inform seed treatment decisions. There are several weevils that may cause leaf notching, but only the PLW is a pest of peas and fabas, so it's important that you get an accurate ID of weevils in the field. PLW will disperse by flight in the spring, moving to pea and faba bean host crops. Foliar insecticides generally do not provide worthwhile protection, so making an informed seed treatment decision will help manage this pest.