American trees are under attack, and it’s by an enemy that’s hard to spot. A tiny invasive pest, considered one of the most destructive forest insects ever to invade the U.S., is spreading across the ...

Something is quietly killing the Midwest’s ash trees. The culprit is small enough to fit on a fingernail, brilliant green in ...

The insect has been detected for the first time in 16 towns and cities across Maine, and all of MDI has been under quarantine since last year.

Add Yahoo as a preferred source to see more of our stories on Google. Emerald ash borer larva cut these feeding galleries on the trunk of a dead ash tree in Michigan. corfoto via Getty Images The ...

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

A decade ago, when the emerald ash borer first was discovered in the U.S., a confirmed outbreak was considered a death sentence for every ash tree for miles around. The insect that came to the U.S.

In northern Wisconsin, April Stone is carrying on a centuries-old Ojibwe practice of basket making. She uses wood from the black ash tree, a cultural keystone species that's now under threat from the ...

The emerald ash borer has been confirmed in Wagoner and Creek counties. Oklahoma forestry experts explain how it spreads, ...