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How to Make a Purple Prism Trap to Monitor Emergence of Adult Metallic Wood Boring Beetles (Buprestidae) in Specialty Tree Crop Production

By: Marissa Deem, Alberto Edwards, Anna Senter, Anthony LeBude, Karla Addesso, Paul Baker Horticulture Information Leaflets

Purple panel traps can help trap and monitor buprestid species in your nursery or orchard, including but not limited to Flatheaded Appletree Borer (Chrysobothris femorata), Pacific Flatheaded Borer (Chrysobothris mali), and Emerald Ash Borer (Agrilus planipennis). Install traps near your trees in late March or April. Flatheaded borers effecting woody ornamentals emerge around May or June in the Southeastern US or June to August in the Pacific Northwest US.