Banded Cucumber Beetle? - Diabrotica balteata
Escondido, San Diego County, California, USA
November 17, 2011
This beetle has one blue spot and two black spots on each side near the top of the wings. The underside of the abdomen also has a black section across it. This beetle was on a plant I don't know at http://www.projectnoah.org/spottings/7730055 along Lake Hodges trail.
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