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Maple Borer (Xylotrechus aceris) Control with Merit Trunk Spray

Pest ID

Longhorned beetle larvae tunneling in maple trunk; exit holes, frass, scars.

Treatment

Spray trunk with Merit (imidacloprid) or homeowner version Bayer Advanced. Kills larvae inside. Apply when adults active (spring). Check local nursery for products.

Trees: Maple Trunk Bark Loss: Old Borer Damage and Healing Strategies; Managing Borers in a Mature Japanese Maple; Borer Control in Sunset Maple: Insecticides and Tree Vigor; Twig Girdler vs. Borer in Young Sugar Maples; Red Maple Borer Treatment: Insecticide Options and Application; Solving Honeysuckle Flower Blight and Holly Root Competition; Lime Under Maple Trees: Minnesota Perspective; Maple Trees: Species Diversity, Uses, and Landscape Value; Maple Bonsai: Spectacular Seasonal Color for Outdoor Display; Longhorn Borer in Maple: Bark Spraying for Prevention

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