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Arborist Greg Ranallo and one of the ash trees he has recently treated against the emerald ash borer in Shelburne on Friday, July 19. Ranallo favors treating the trees to curb the spread of the ...

Along the St. Louis River, more than 60,000 trees will be planted to replace dead ash trees and protect the estuary. With dead ash trees all around, Nathan Wagner, of Janesville, Wis., a member of ...

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 ...

PORTLAND, Ore. (KOIN) – The dreaded emerald ash borer has made its way into Portland, and it poses a threat to every ash tree in the city. The invasive beetle from East Asia has already had a ...

Take a stroll through your community and you'll likely pass beneath the canopy of an ash tree or marvel at these trees that bring color to your autumn garden. Ash trees, commonly planted on city ...

The clock is ticking for the few healthy ash tree groves still in existence around D.C. Twenty years ago an invasive pest arrived in the area, hidden away inside a shipment of ash trees headed for a ...

Ash trees in the UK are rapidly evolving resistance in response to ash dieback disease, DNA sequencing of hundreds of trees has shown. The finding is good news, says Richard Buggs at the Royal Botanic ...

The emerald ash borer has decimated ash trees across the Midwest. Several cities have asked Gary Keenan to turn those leftover stumps into art.

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, ...

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 ...

From emerald ash borers to mulberry trees, there are plenty of invasive species in the QCA. However, here's why you might see less of one of those.