Scientists will spend the next three years looking at the best, environmentally-friendly, ways to deal with the pest.

Emerald ash borers first arrived in Middle Tennessee in 2014 and have spread to at least 66 counties, authorities say.

Something is quietly killing the Midwest’s ash trees. The culprit is small enough to fit on a fingernail, brilliant green in color, and so stealthy that most infested trees don’t show obvious symptoms ...

This year, an invasive species specialist at the Oregon Department of Forestry found a matured ash borer in early May.

Two arrived in the U.S. from overseas. One is domestic.

DILWORTH — After an ill-fated arrival last spring, the emerald ash borer is burrowing down for winter on the Minnesota side of the river. The invasive pest, native to Asia, was first discovered in ...

Kris Dullmer of Ash Tree Solutions, right, injects an insecticide into an ash tree named Big Jim in the Catamount Community Forest to combat the emerald ash borer in Williston on Tuesday, June 25.

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EMMET COUNTY, Iowa (KTIV) - The Emerald Ash Borer insect has been confirmed all over Iowa. On Thursday, Oct. 17, the tree-killing insect was confirmed in all of Iowa’s 99 counties, according to a news ...

Angela Mech, assistant professor of Entomology at University of Maine, has been leading the research for the i-Tree pest predictor. Mech specializes in invasive forest insects. University of Maine ...