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This publication describes the lifecycle, scouting and treatment of the balsam wooly adelgid, a tiny, soft-bodied insect, which appears when adult as a white, woolly spot on true firs. Author: Jill Sidebottom Update: Jamie Bookwalter
This publication describes the symptoms, life cycle and control of the elongate hemlock scale, a pest that causes white, waxy spots on the upper surface of Christmas tree needles.
