EAB Infestation Map

Below is the current map of emerald ash borer (EAB) infestation across North America. The most recent additions to the infestation map are British Columbia (May 2024) and North Dakota (August 2024). An up-to-date map is available on our website.

Did You Know?

A printable document describing the signs and symptoms of EAB is available from Michigan State University.

EAB University

EABU Webinars Return in May

EAB University (EABU) returns in May with new sessions on the latest research, management strategies, and expert insights on various invasive species. Dates, times, and session topics are now available on our website. Registration links and further details coming soon. Check out the EABU schedule here >

Recent EAB News

EAB confirmed in Aitkin County, MN

The Minnesota Dept. of Agriculture confirms EAB in 3 new locations this winter. Aitkin Co. reports its first case, while Pine & St. Louis Co. see expansions. MN now has 54 affected counties.

New research offers hope in the war against the emerald ash borer

A new study found that ash trees are regenerating in Michigan forests despite EAB losses. While mature trees have seen high mortality, younger ash trees are still present in significant numbers.

OSU and ODF offer workshop to combat Emerald Ash Borer invasion in Oregon

On April 11, 2025, at 9:00 a.m., Oregon State University and the Oregon Department of Forestry will host a training at Alton Baker Park in Eugene on identifying EAB and protecting your property. The cost is $10 per person, and pre-registration is required.

Video: Emerald ash borer: Winter a good time to spot signs of invasive pest

This video calls on Maine residents to help track the spread of EAB. While the reporting effort is specific to Maine, the tips for identifying EAB apply anywhere. Signs include missing bark from woodpecker activity, ash bark littering the snow, and S-shaped tunnels under the bark.

Other News

State Of Michigan awards $3.6 million for invasive species prevention and control

The state of Michigan announced that 32 projects will share $3.6 million in funding through the Michigan Invasive Species Grant Program for efforts that address the prevention, detection, eradication and control of aquatic (water-based) and terrestrial (land-based) invasive species. 

Native insect predators may serve as allies in spotted lanternfly battle

A new study by Penn State researchers suggests that insect predators in the U.S. could help control spotted lanternfly populations, an invasive insect that damages plants by feeding on their sap, and reduce reliance on chemical methods.

Green Gold Summit to Explore New Uses for Wood Residuals

The Green Gold: Wood Residuals Summit 2025 (May 6-8, Traverse City, MI) aims to To build global commercialization bridges across sectors to realize the value of wood residuals for a profitable and sustainable economy. These solutions could also help manage ash trees affected by EAB. In-person and virtual options are available; registration is required.