Insects and Spiders - native

Western Cedar Borer (Trachykele blondeli) on Jul 14, 2022

Originally reported as Emerald Ash Borer (Agrilus planipennis)

Submitter does not have a specimen

Description of specimen

He was on a mail box!

Commentary

Thank you for your report! There are a number of iridescent green look-alike beetles in Oregon that are not pests. This one is the Western cedar borer, Trachykele blondeli, a native beetle and not a tree killer.

Josh Vlach
Aug. 8, 2022, 7:50 a.m.

Resources

Western Cedar Borer information on iNaturalist and a guide to wood boring beetles in Oregon from the Oregon Department of Forestry.

Location

Vernonia, Oregon

Expert Reviewer

Josh Vlach
Oregon Department of Agriculture

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