Emerald ash borer, native to eastern Asia, was first found in the U.S. in Michigan in 2002. Since then, it’s killed millions of ash trees across the eastern U.S. The invasive beetle was first detected ...

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In 2002 in Michigan, many ash (Fraxinus sp.) trees started to show obvious signs of decline, and after careful inspections, arborists and biologists soon discovered a pest unknown to the U.S. as the ...

SPOONER - The City of Spooner will be applying for a grant with the Department of Natural Resources (DNR) to treat emerald ash borer in trees within the city. At the City Council meeting Tuesday, Sept ...

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 ...

PORTLAND, Ore. (KOIN) — It’s official. The emerald ash borer, a half-inch-long metallic-green beetle, has arrived in Portland. The Oregon Department of Forestry announced that the beetle from East ...

PORTLAND, Ore. (KPTV) - A tiny green beetle from eastern Asia that can have a devasting impact on ash trees has been found in new sites in northwest Oregon, according to the Oregon Department of ...

The emerald ash borer, an invasive beetle that’s already killed millions of trees across the country, was found in Southeast Portland this summer. Since its arrival in the United States, this tiny ...

A tiny beetle known for decimating ash trees throughout North America and Europe has been discovered for the first time in Portland and has spread to new sites in several other counties where the ...

The emerald ash borer (EAB), a destructive beetle from eastern Asia, is spreading rapidly in Oregon, threatening ash trees across the state. First detected in Forest Grove in 2022, the beetle has now ...

An invasive, tree-killing pest has made its way to Portland, spelling trouble for the many ash trees that cool residential neighborhoods on hot summer days. On Wednesday, Oregon forestry officials ...