We knew it was only a matter of time until it arrived, and now the insect that has killed over 25 million ash trees across 34 states in relatively short time is now perched at North Dakota’s border, and is likely already within the state.
On Thursday, March 2, 2023, the Minnesota Department of Agriculture (MDA) announced that the emerald ash borer (EAB) was found in Moorhead, Minnesota, Fargo’s sister city across the Red River. Although discovery of the insect has not been confirmed in North Dakota, it’s likely here, as well.
Emerald ash borer attacks only members of the ash family, but it’s devastating because ash trees comprise between 25% and 50% of the trees within neighborhoods of many North Dakota communities. Ash is also a major tree species in rural farmsteads, windbreaks, and native tree stands. According to the state of Michigan, over 99% of trees attacked by emerald ash borers have died. Imagine our North Dakota cities with huge swaths of trees standing dead.
In only 3 years, from 2006 to 2009, look at the death caused to a tree-lined street in Toledo, Ohio. (photos below.)

A complete description of the insect and its control can be found in the following NDSU Extension Bulletin: https://www.ag.ndsu.edu/extensionentomology/recent-publications-main/publications/E-1634-emerald-ash-borer-biology-and-integrated-pest-management-in-north-dakota/view

If you suspect emerald ash borer in your North Dakota trees, the North Dakota Department of Agriculture is the agency collecting and investigating reports of possible EAB infestations. Reporting and other information can be found on their site https://www.ndda.nd.gov/eab


