Associated Press How do I know if I have ash trees on my property?There are four species of ash native to the eastern United States white, green, black and blue. Branches and leaves always grow in ...

Jennifer Killian knew the inevitable was coming. She just didn’t know how soon. As an urban forester for the city of Corvallis, her biggest fear was that the emerald ash borer, an invasive beetle, ...

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

Glen Cove will replace ash trees damaged by the emerald ash borer, an invasive beetle from Asia that has destroyed tens of millions of trees across North America, city officials said. The city will ...

Take a stroll through your community and you'll likely pass beneath the canopy of an ash tree or marvel at these trees that ...

MOORHEAD — The emerald ash borer has reached Moorhead. This wood boring insect, native to Asia, has killed hundreds of millions of ash trees throughout 36 states since it was first discovered in the U ...

The tiny green insect is likely to tear a path of destruction through Oregon ash, but its late arrival has given the state time to prepare. A couple of weeks ago, Dominic Maze was picking up his kids ...

Research entomologist Jian Duan cuts away bark from ash trees in search of emerald ash borers, an invasive species that has been killing off the trees. They’re looking particularly for those affected ...

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