Can one species of beetle wipe out Oregon’s entire population of ash trees? Yes. Has that species of beetle been detected in Oregon? Yes.
On June 30, 2022, the emerald ash borer, an exotic beetle that feeds on and kills ash trees, was discovered in Forest Grove, Oregon. When the news broke, scientists with the Lower Columbia Estuary Partnership were devastated. A long email chain quickly formed with messages like: “VERY SAD” and “BAD NEWS”.
Oregon ash (Fraxinus latifolia) is on a short list of trees that are uniquely suited to Pacific Northwest riparian habitats, able to withstand