Based on range, and the heads being all black, I have placed this specimen here, and the specimen photo-linked below. These beetles are common on my wild rose plants (
Rosa californica) in my yard. They vary in color a bit as shown in these two specimens.
Contributed by
Jim Moore on 10 August, 2010 - 2:04pm
Last updated 30 September, 2021 - 1:40pm