Insects and Spiders - native

unknown on Jun 26, 2023

Originally reported as Emerald Ash Borer (Agrilus planipennis)

Submitter does not have a specimen

Description of specimen

Stand of mixed oak and ash trees with a number of dead ash trees. Probably not EAB, but worth a check?

Commentary

Thank you for your report! Emerald ash borer makes D-shaped holes about 1/8" wide. Here is the address of Oregon Department of Agriculture's IPPM Survey and treatment projects EAB page

https://www.oregon.gov/oda/programs/IPPM/SurveyTreatment/Pages/EmeraldAshBorer.aspx

Scroll down to find photos of Emerald Ash Borer Look-Alikes, the EAB Response Plan for Oregon, and more information about how to recognize EAB attack, so that you can monitor your trees.

Tom Valente
July 3, 2023, 9:52 a.m.

Location

Stand of ash and oak trees on north side of Peoria Road. Across from driveway to 25238 Peoria Road.

Expert Reviewer

Tom Valente
Oregon Department of Agriculture

© 2025 Portland State University | Contact us for questions regarding site content