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Photo#1600397
unknown beetle on poison oak fruit - Trirhabda flavolimbata

unknown beetle on poison oak fruit - Trirhabda flavolimbata
San Pedro Valley County Park, San Mateo County, California, USA
August 30, 2018

Moved
Moved from ID Request.

Hi Bing :-) This is Trirhabda flavolimbata, whose principal host plant is coyote brush (Baccharis pilularis), which as you know is very abundant at San Pedro Valley County Park (and elsewhere in our region). Looks like it somehow wandered onto something else here (poison oak?). This is a fairly late date for adults to be out.

See the info page for more details.

looks like this one
but wait for an expert

 
Thanks for the reply. Looks
Thanks for the reply. Looks pretty close.

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