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Cold Winter May Have Killed Off Many Wooly Adelgid Pests In Pennsylvania Forests

March 28, 2014

A state forestry official says there could be one benefit to the bitterly cold winter from which we are just now emerging.

It appears that the cold may have killed off about ninety percent of the wooly adelgid pest – the number-one enemy of the Pennsylvania state tree, the hemlock.  Donald Eggen, the state’s Forest Health Manager, told Radio PA News all of the wooly pests in parts of Cook Forest State Park may have died.

Although the insect can still maintain its population with that kind of a major loss, this winter’s mortality rate should help the Bureau of Forestry get ahead of the wooly adelgid, especially in areas where hemlocks grow.

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