Banded Alder Borer (Rosalia funebris) on Jul 30, 2025
Submitter does not have a specimen
Description of specimen
A big insect with two antennas and a black and white pattern
Commentary
Thank you for your report! This is our native Banded alder borer, Rosalia funebris. They are not pests. They breed in dead branches of red alder and some other forest trees. We are getting a lot of reports of this species this summer. Thanks for being on the lookout!
Tom Valente
Aug. 1, 2025, 3:13 a.m.