The emerald ash borer, a tiny yet destructive invasive beetle, has been confirmed at six new locations in northern Oregon.

Woodpeckers are a great sign of EAB, they love insects, which is why many woodpecker crevices are an easy telltale sign. When your ash has EAB, care is needed.

The discovery puts all of Multnomah County into a quarantine zone. It’s the fifth county to be quarantined in Oregon.

An invasive, tree-killing pest has made its way to Portland, spelling trouble for the many native ash trees that cool ...

By Alby Thoumsin  In 2002 in Michigan, many ash (Fraxinus sp.) trees started to show obvious signs of decline, and after ...

Just outside Cottage Grove at the U.S. Department of Agriculture’s Dorena Research Center, scientists are playing a numbers ...

Over the summer, a private arborist noticed an ailing green ash tree at the David Douglas Aquatics Center near Hazelwood-Mill ...

The confirmation of the emerald ash borer in Aurora is prompting city officials to remove or treat infected trees and ...

Emerald ash borer, an invasive beetle that kills ash trees, was detected in Portland this summer, resulting in a quarantine ...

It isn’t exactly the wave that enveloped the United States in 1964, but 60 years later, beetles are still making a serious ...

The Oregon Department of Forestry discovered an emerald ash borer in tree in the parking lot at the David Douglas Aquatics Center in the Hazelwood neighborhood deep in Northeast Portland. Peter Van ...

WISCONSIN (WJFW) — Invasive species have always hurt Wisconsin forests, but one beetle is causing serious damage to ash trees. “Anywhere that you have Ash trees, they can be attacked and killed by ...