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 ...

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.

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 ...

Oregon officials have found the Mediterranean oak borer in six counties across the valley, just as another pest is killing ...

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 ...

PORTLAND Ore. (KPTV) - A bug that’s led to the destruction of hundreds of millions of trees has made its way into our area. It’s called the emerald ash borer, a type of beetle that lays eggs inside ...

The emerald ash borer, an invasive species of beetle, has been found in Portland. Local officials say it’s only a matter of time before the pests, which hollow out and kill ash trees, will arrive in ...

PORTLAND, Ore. (KOIN) – The emerald ash borer is in Portland, and experts are calling on the city’s residents to protect their trees from the invasive beetle. But here’s the catch: A lot of bugs look ...

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 ...

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 ...

Researchers hope to identify Oregon ash trees resistant to the emerald ash borer and breed them to restore the species as it suffers from the pest. If the emerald ash borer’s spread into Oregon is a ...