This insect was introduced into North America sometime in the 1990's. It was first reported killing ash (genus Fraxinus) trees in the Detroit and Windsor areas in 2002. Since then, infestations have been found throughout lower Michigan, Ohio, northern Indiana, the Chicago area, Maryland, and recently in Pennsylvania.
For more complete information on the emerald ash borer, please visit the national EAB information website, which is operated through a grant from the US Forest Service, Northeastern Area.
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