Insects and Spiders - native

Western boxelder bug, Boisea rubrolineata on Oct 10, 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

Avatar of commenter 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, 4:24 p.m.