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Pine Beetle Control: Why Spraying Bark Fails

Spraying bark with borer preventatives is ineffective against southern pine beetles (SPB) because they attack anywhere from ground to crown. Systemic insecticides don't distribute evenly in pines.

Best Homeowner Practice

Keep pines well-watered during summer drought. Healthy trees resist beetles better.

Note: Infested firewood likely carries old house borers, not SPB.

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