Oregon officials are warning about the spread of an invasive insect spreading across the Willamette Valley.

The highly destructive beetles, native to eastern Asia, were first detected in Oregon in 2022 and in Portland last year. The ...

The Oregon Department of Forestry is warning that the invasive emerald ash borer appears to be spreading in the Willamette ...

State forestry officials have confirmed new detections of the invasive emerald ash borer in three additional Willamette ...

Add Yahoo as a preferred source to see more of our stories on Google. There is no evidence of North America's most destructive forest pest in Willamette Mission State Park. Ryan Sevey, a natural ...

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 ...

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 ...

One of the most destructive invasive insects in the United States has been detected in three more Oregon counties this summer, which could be bad news for the state’s ash trees. Federal and state ...

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 ...

From British Columbia to California, volunteers are collecting ash seeds to help researchers at Oregon State University find genetic resistance to the invasive emerald ash borer. The emerald ash borer ...

PORTLAND, Ore. (KOIN) – Oregon officials are warning about the spread of an invasive insect spreading across the Willamette Valley. On Tuesday, the Oregon Department of Forestry announced that the ...

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 ...