Emerald Ash Borer (EAB), Agrilus planipennis

Maine Quarantine on Emerald Ash Borer Announced
adult emerald ash borer

4/17/19 - The Maine Department of Agriculture, Conservation and Forestry has announced a formal quarantine on emerald ash borer (EAB) and material that may harbor it.

Quarantine Area: The quarantine area includes all of York County and the northeastern corner of Aroostook County. The quarantine boundaries were drawn to include a buffer on those towns where EAB had been detected. EAB was found in northern Aroostook County in May 2018 and in western York County in September 2018. An emergency order has been in place to limit movement of infested ash from areas where the pest has been found since those discoveries.

Read Full EAB Quarantine News Release

emerald ash borer adult on head of penny

The emerald ash borer (EAB), Agrilus planipennis, is one of the most serious invasive species threatening our ash resources and forests. All species of (Fraxinus) ash trees, but not (Sorbus) mountain ash, that grow in Maine are susceptible to injury and death by the emerald ash borer.

EAB was first found in Aroostook County. (Madawaska, Frenchville, and Grand Isle), and York County (Acton, Berwick, and Lebanon), ME in 2018.

What's New

January 15, 2019 - Public Hearing on Emerald Ash Borer Quarantine in Maine; Draft Quarantine Rules (PDF); Draft Quarantine Map (PDF)
Proposed Rule to Deregulate the Domestic Emerald Ash Borer Quarantine Questions regarding the elimination of the federal quarantine

EAB Identification

adult emerald ash borer
Ash Trees Can you identify an ash tree?
Report a Suspect Either the beetle or signs of infestation

Maps, Regulations & Quarantine Information

EAB quarantine map
Northeast Map Current map and regulatory information for Northeast U.S.
U.S. Quarantine/Maps Current map and regulatory information for the U.S.
Firewood Ban Maine's Emergency Order banning out-of-state firewood
Memo to Tree Sellers From Maine's State Horticulturist

Caring for Ash Trees & Managing Forests

EAB management

Surveillance, Outreach, Involvement

survey, outreach, involvement
Biosurveillance Monitoring for EAB with the Cerceris wasp
Purple Trap Survey USDA's detection trap
Trap Tree Network Girdling an ash for EAB detection
Tree-Tagging Helping the public appreciate the value of trees
Volunteer Resources Free items to help spread the word
The Story of Emerald Ash Borer a pictorial essay about EAB by the U.S. Department of Agriculture

Additional Resources



General Basic frequently asked questions about EAB
Quarantine Questions commonly asked about Maine's EAB quarantine

Updated: October 1, 2019