Emerald Ash Borer — Entomology — Penn State UniversityThe emerald ash borer has killed more than 40 million ash trees in Michigan, Ohio, Indiana, Illinois, Maryland, Virginia, Pennsylvania, West Virginia, Missouri, …
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Emerald Ash Borer - PA DCNR - DCNR HomeThe emerald ash borer was first identified in North America in southeastern Michigan in 2002. Larvae of this beetle feed in the tissues under the bark of ash trees ...