There’s a tree killer on the loose in Oregon, and nobody knows how to stop it. An invasive green beetle called the emerald ash borer arrived in the Midwest from Asia, and it’s killed over 100 ...

In environmental news it’s Emerald Ash Borer awareness week and the Oregon Department of Forestry is working to slow the spread of this destructive invasive species. Commonly called just EAB, this ...

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 ...

He used a modified painter's pole to hook a purple box suspended from an Oregon ash tree branch 20 feet in the air. After inspecting the trap's sticky surface, Sevey found no evidence of EAB.

Dr. Max Ragozzino with the Oregon Department of Agriculture held up an ash tree branch, pointing to the holes on one side. “In a sample like this, each of these little de-shaped exit holes is ...

Damage to a tree caused by emerald ash borers in Marion County (ODF) The Yamhill County beetle was found in a trap near Gaston, just seven miles away from where Oregon’s first emerald ash borer ...

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 ...

If the emerald ash borer’s spread into Oregon is a slow-moving natural disaster, researchers want to at least blunt the incursion’s full impact. A team of experts hopes to identify Oregon ash ...

Since 2019, scientists at Penn State's Louis W. Schatz Center for Tree Molecular Genetics focused research efforts on Oregon ash (Fraxinus latifolia), a species that plays a critical role in the ...

killing hundreds of millions of ash trees across the country. It has been detected in four Oregon counties: Washington, Yamhill, Marion and Clackamas, prompting a permanent quarantine in those ...