Insects and Spiders - non-native

Red-headed Ash Borer (Neoclytus acuminatus) on Jun 24, 2026

Description of specimen

Submitter does not have a specimen

Insect

Commentary

Avatar of commenter Thank you for your report! This is the Red-headed ash borer, Neoclytus acuminatus. It is a species native to the eastern United States, but it is established in the Portland area. Their larvae bore in dead ash branches.

Tom Valente
June 24, 2026, 2:35 p.m.

Resources

<a href="https://www.inaturalist.org/taxa/121732-Neoclytus-acuminatus"Red-headed Ash Borer information on iNaturalist

Location

House fence

Expert Reviewer

Avatar of Reviewer

Tom Valente
Oregon Department of Agriculture

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