Yellow Douglas-fir borer (Centrodera spurca) on Oct 24, 2023

Submitter does not have a specimen

Description of specimen

The body of the insect was at least an inch long, longer with the antennae. Light brown in color, and on top of the body there was a black dot on either side. See attached picture.

Commentary

Thank you for your report! Yellow Douglas-fir borer (Centrodera spurca) does not attack living trees. Their grubs live in recently dead Douglas-firs. They are not considered pests.

Tom Valente
Oct. 25, 2023, 2:42 a.m.