Emerald Ash Borer

Eradication is no longer feasible for the emerald ash borer in North America. Recognizing that, in January 2021, USDA APHIS terminated the domestic quarantine program it had implemented 20 years earlier. EAB has been confirmed in unincorporated Larimer County and in the cities of Boulder, Gunbarrel, Longmont, Lafayette, Lyons, Superior, Broomfield, Westminster, and Erie. The entire City of Boulder was presumed infested at the close of 2015. In 2019, EAB was confirmed in the City of Broomfield, the first confirmation in Colorado outside of a federal quarantine. If you have concerns your trees are infected with EAB, consult with Donovan Arborists

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