There is no evidence of North America's most destructive forest pest in Willamette Mission State Park. Ryan Sevey, a natural resource specialist with the Oregon Parks and Recreation Department, spent ...

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 ...

This summer, the invasive emerald ash borer beetle was found in four Oregon counties. So far, none have been detected in Oregon State Parks, and the parks department wants to keep it that way for as ...

The emerald ash borer, an invasive beetle that’s already killed millions of trees across the country, is spreading in Oregon. The beetle was first detected in Washington County, near Forest Grove, in ...

SALEM, Ore. (KTVZ) — The Oregon Parks and Recreation Department is asking visitors to help slow the spread of the destructive emerald ash borer by choosing certified heat-treated firewood or firewood ...

An ash tree in Forest Grove, Ore. shows signs of emerald ash borer damage. The invasive beetle was first discovered in the city in June 2022, prompting a large state-led response to slow its spread.

Emerald ash borer, an invasive pest, has been discovered in three more counties this summer, according to the Oregon Department of Agriculture and the Oregon Department of Forestry. The beetles have ...

PORTLAND, Ore. (KOIN) — Invasive emerald ash borer beetles were discovered in three more Oregon counties this summer, officials said. Emerald ash borers are small metallic-green beetles native to ...

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 ...

The invasive emerald ash borer, according to the U.S. Department of Agriculture, was first found in the United States in southeast Michigan in 2002. In the decades since, the wood-boring beetle has ...