Many of you lost trees, shrubs and flowers during the summer solstice storm. Now that the clean-up is well underway, you may ...

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

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 ...

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

A second emerald ash borer infestation has been detected in north Yamhill County, as the Oregon agencies continue to sound ...

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

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

Emerald ash borer (EAB) is a tiny green beetle from eastern Asia that is having a devastating impact on ash trees in North ...

A tiny green beetle that can have a devasting impact on ash trees has been found in new sites in northwest Oregon, according ...

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

It’s official. The emerald ash borer, a half-inch-long metallic-green beetle, has arrived in Portland. Portland Parks and ...

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