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 ...

Lea Nash was talking to her neighbor about Oregon's newest pest when one flew into her neck — or so she thought. Standing near their Eugene homes close to River Road, the bug bounced off her neck and ...

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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.

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 ...

Haskell Smith, urban forester for Bloomington, said the funding will support the assessment and treatment of 530 ash trees ...

Most homeowners look at the trees in their yard and see shade, beauty, maybe even a bit of property value. What they don't ...

MADISON (WKBT) — The Wisconsin DNR is warning deer hunters not to place tree stands on ash trees that are potentially weakened by an invasive species. Most ash trees in the southern half of Wisconsin, ...

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 ...

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, ...

SIOUX FALLS, S.D. (KELO) —Yankton Trail Park is scattered with trees. “I run here a couple times a week. I love just being able to run right by the river and it’s protected and good scenery– is super ...