Insects and Spiders - native

Pine Sawyer, Monochamus obtusus on Jul 24, 2025

Originally reported as Asian Longhorned Beetle (Anoplophora glabripennis)

Submitter has sample

Description of specimen

Black beetle about 1.5” long with white spots and long antennae that are black and white striped

Commentary

Thank you for your report! That is not ALB, so no action is needed. This is one of our native pine sawyers (Monochamus species). They are not tree killers.

Tom Valente
July 25, 2025, 7:57 a.m.

Location

Ponderosa pine forest sunny and dusty at the edge of shady wetland

Expert Reviewer

Tom Valente
Oregon Department of Agriculture

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