Winter isn’t the ideal season for pruning trees in Upstate New York, but it’s the best time to cut scion or twigs from ash trees in parts of the state where the species has been all but wiped out.

The emerald ash borer, a tiny yet destructive invasive beetle known for wiping out ash trees on a large scale, has been confirmed at six new locations in northwest Oregon. First discovered in Forest ...

When 86-year-old Jeanne Somers contacted Public Investigator in November about an emerald ash borer infestation in her neighbor's yard, a 70-foot dead ash tree had just fallen across her driveway. She ...

Cornell is at the forefront of determining how "invisibility cloaks" and walls of protection may give ash trees hope of revival.

On Wednesday, the Oregon Department of Forestry announced that the emerald ash borer has now been found in the Hazelwood neighborhood in East Portland and five other new sites in the north Willamette ...

SPARTANBURG — The Emerald Ash Borer, an invasive beetle native to China that’s been eating its way through millions of trees in the eastern and central United States, is now in Upstate South Carolina, ...

Braik's Tree Removal employees work to cut limbs off a dying tree on Lakeview Street in Centralia. The city of Centralia’s streets have been lined with ash trees for generations. But now, a small ...

Portland’s urban foresters are girding for the impending destruction of the city’s ash trees by the emerald ash borer. The beetle—green, shiny, and smaller than a thumbnail—has been found in the four ...