Emerald ash borer (EAB) is an invasive, wood-boring beetle that has caused the decline and mortality of many ash trees in North America. EAB originates from parts of Asia and was first detected in the United States in 2002 near Detroit, Michigan. EAB has since spread to several states and has the potential to spread even further across the country due to the extensive range of ash trees in the US. Check out this map that shows detections of EAB by county!
Forest Health News
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October 28th, 2025Updated Emerald Ash Borer Distribution Map
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