The moths are coming, and eating our trees Oregon white oaks in some parts of the mid-Willamette Valley are being defoliated, along with some Douglas firs and ornamental plants. The culprit, according to the Oregon Department of Forestry: an outbreak of western oak looper, a moth native to the Willamette Valley. Affected trees show a scorched appearance, and, ...
Aug. 9, 2013 - Portland Tribune