Emerald Ash Borer (EAB) has been found in LaMoure County, ND. It has also been found in Moorhead, MN and Winnepeg, Canada along with other Midwest States. EAB attacks all ash trees, stressed or healthy.
Emerald ash borer (EAB), Agrilus planipennis Fairmaire, is an exotic beetle that was discovered in southeastern Michigan near Detroit in the summer of 2002. The adult beetles nibble on ash foliage but cause little damage. The larvae (the immature stage) feed on the inner bark of ash trees, disrupting the tree's ability to transport water and nutrients. Emerald ash borer probably arrived in the United States on solid wood packing material carried in cargo ships or airplanes originating in its native Asia. As of February 2025, it is now found in 37 states, and 6 Canadian provinces.
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Emerald Ash Borer: Biology and Integrated Pest Management in North Dakota revised in March of 2025 is the most up to date publication regarding EAB specific to North Dakota.