Insects and Spiders - native

Ponderous Borer (Trichocnemis spiculatus) on Aug 5, 2025

Submitter does not have a specimen

Description of specimen

Big Mf’n bug!

Commentary

Thank you for your report! Yes, they are impressive beetles! This is not a pest; it's our native "Ponderous borer", Trichocnemis spiculatus. They are not pests. Their grubs live in dead conifer stumps and logs. You can let it go.

Tom Valente
Aug. 6, 2025, 1:19 a.m.