How to Tell If Emerald Ash Borers Are Killing Your Trees Before It’s Too Late

Like many trees, ash trees undergo leaf shedding each fall and winter. Unlike other trees, ash trees are specifically ...
OPB

Invasive emerald ash borer has reached Portland, dooming ash trees

An invasive, tree-killing pest has made its way to Portland, spelling trouble for the many ash trees that cool residential neighborhoods on hot summer days. On Wednesday, Oregon forestry officials ...
Science Daily

Ash tree variability may offer restoration path post-beetle decimation

The invasive emerald ash borer, according to the U.S. Department of Agriculture, was first found in the United States in southeast Michigan in 2002. In the decades since, the wood-boring beetle has ...
OPB

Emerald ash borer beetle has invaded 3 more Oregon counties

New detections reveal the metallic-green beetle, about a half-inch long, has made its way into Marion, Yamhill and Clackamas counties — miles away from the previously known infestations in Washington ...
pressconnects

Is there hope for decimated ash trees? Why Cornell researchers think so

A Cornell and Nature Conservancy 'Trees in Peril' conservation project is propagating ash trees resistant to emerald ash borer. If successful, the long-term project looks to reintroduce resistant ...