Pine Needle Scale

By The Old House Web

Pine Needle Scale

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These white scales can be a serious problem on pines.

The insects overwinter as eggs beneath the female scales. The eggs hatch in May or June and the reddish colored crawlers migrate to other parts of the plants.

The insects suck juices from the needles and can build up to very large numbers before being noticed. As the infestation increases the foliage yellows and the branch may die.

Overwinter stages can be controlled with dormant spray. Crawlers are controlled with Diazinon, Sevin or Orthene.

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