The emerald ash borer eats into the bark of ash trees and leaves D-shaped holes. Debbie Miller / U.S. Forest Service. Matt Mills, an emerald ash borer support specialist with the Oregon Department ...

When emerald ash borers spread across Oregon, their effect on ash trees will be devastating, Shaw said. Based on what’s been observed in the eastern United States, he said it’s likely that 99% ...

Annual cold snaps have kept some invasive tree pests in check, but outbreaks could become more common with warming ...

Oregon ash is used in stream restorations due its ability to stabilize soil, mitigate water temperatures and control sediment. Death of Oregon ash from EAB infestations would result in massive ...

Salem crews will soon begin injecting city-owned ash trees with an insecticide to protect them from the emerald ash borer.

He saw evidence that emerald ash borer larvae had been feeding on Oregon ash trees, with several trees showing a marked decline. Samples have been sent to the federal lab in the eastern U.S. for ...

Oregon ash is used in stream restorations due its ability to stabilize soil, mitigate water temperatures and control sediment. Death of Oregon ash from EAB infestations would result in massive ...

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 ...

Oregon ash seeds were gathered from British Columbia to California beginning in 2019 in anticipation of the emerald ash borer arriving in Oregon, which occurred three years later.

The trap was located just inside Yamhill County about 7 miles from Forest Grove, where the emerald ash borer was first detected in Oregon in late June 2022. Clackamas County.