Needles are covered with clusters of slightly flattened, white, scaly bumps. If heavily infested, needles may appear completely white. The bumps can be scraped or picked off. Needles develop yellow mottling, turn brown, and then drop. Infestations may kill young trees or weaken older trees.
Apply an insecticide labeled for this pest, following label directions. Inspect ornamental pines twice a year for evidence of infestation. Older trees seldom require controls.
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