Insects and Spiders - native

California Prionus Beetle (Prionus californicus) on Jul 31, 2022

Submitter has sample

Description of specimen

Derobrachus geminatus is what came up from a Google photo search. I've never seen this type of beetle before.

Commentary

Thank you for your report!
This is our native California Prionus. Their grubs live in decaying conifer stumps. They are not tree killers. Thanks for being on the lookout!

Tom Valente
Aug. 1, 2022, 10:33 a.m.