The Emerald Ash Borer (EAB) is a non-native insect. The accidental introduction of EAB to North America is believed to have arrived by way of shipping material, such as pallets, made from infested ash from China. Since its discovery in 2002 in North America, it has been confirmed in parts or all of 29 states and 2 Canadian provinces. EAB was first established in SE Michigan, in the early 1990’s. Initial ash damage was mistaken for Ash Yellows for a decade.

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