Insects and Spiders - native

Western boxelder bug, Boisea rubrolineata on Oct 9, 2024

Originally reported as Amethyst Cedar Borer (Semanotus amethystinus)

Submitter does not have a specimen

Description of specimen

Insects are all over the cedar. Please see photos.

Commentary

Thank you for your report! This is Boisea rubrolineata, the Western box elder bug. They are a very common native insect. They overwinter as adults and may be very abundant this time of year.

Tom Valente
Oct. 10, 2024, 9:24 a.m.

Location

Lower level in the Rose test garden, near the 1942 Queen Shirley plaque in a huge cedar tree.

Expert Reviewer

Tom Valente
Oregon Department of Agriculture

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