Insects and Spiders - native

Fall Webworm Moth (Hyphantria cunea) on Aug 11, 2023

Originally reported as Western Tent Caterpillar (Malacosoma californicum)

Submitter does not have a specimen

Description of specimen

Multiple nest in the area described above

Commentary

Thank you for your report! This time of year webs in trees are more than likely Fall Webworm, Hyphantria cunea. It is a native moth, and although the webs are unsightly, the caterpillars rarely completely defoliate trees. No action is necessary. Thanks for being on the lookout!

Tom Valente
Aug. 11, 2023, 8:18 a.m.