The emerald ash borer is an invasive pest that has devastated ash tree populations in the rest of the country. It's not in Oregon yet, but it's just a matter of time before it shows up.
The Oregon Department of Agriculture has just released its action plan for fighting the pest when it arrives. Notice the use of the term "when," not "if."
Ash trees are important in the ecosystem, especially in riparian zones along creeks and rivers.
Wyatt Williams helped write the response plan for the insect at the Oregon Department of Forestry.