Unidentified beetle - Ask Extension
We found this beetle outside in our gravel today and it's bigger than any insect I've ever seen! Any idea what it is or if it is invasive?
Knowledgebase
Unidentified beetle #845339
Asked August 12, 2023, 12:50 AM EDT
We found this beetle outside in our gravel today and it's bigger than any insect I've ever seen! Any idea what it is or if it is invasive?
Benton County Oregon
Expert Response
Ava:
This is one of the long-horned beetles, most likely the Ponderous Borer, Trichocnemis spiculatus.
The larva of these beetles feed in dead or dying wood from Douglas Fir or pine trees.
Let me know if you have any additional questions. Thank you for contacting us at Extension. Rich
