The emerald ash borer is deadly to ash trees—and aggravating for homeowners. Here's how to know if your tree has emerald ash ...

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

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

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

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

An emerald ash borer larva chews through the cambium layer of an infested ash tree in Armstrong, located in Emmet County. A buildup of feeding tunnels cut off the vascular or “plumbing system" of a ...

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

NEWBURYPORT — The city’s stock of healthy ash trees is under attack as the result of an invasive insect that is killing the canopy trees slowly but surely, according to local tree officials. Evidence ...

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

How do you find an insect the size of your fingertip in a densely-packed forest? For Jian Duan, the answer is simple: follow the dead ash trees. On a rainy day in eastern Connecticut, Duan, a federal ...

SALISBURY — Pulling back the flaking bark of the green ash tree with the ease of someone peeling an orange, Jay Bolin exposes the evidence he expected to find. “Look at those D-shaped exit holes,” he ...

Last year, the Minnesota Department of Agriculture (MDA) confirmed emerald ash borer (EAB) in ash trees located inside the city limits. The MDA found woodpecker damage, bark cracks and tell-tale ...