Large, red, wasp gall. It is about 1 inch in diameter. This one is now empty with a hole showing the exit. "Galls are up to 15mm in diameter and are red or green with yellow spots. With the exception of some Q. turbinella galls, the galls have a curved beak."
Scrub Oak at lagoon. "Larvae make galls in the late spring and summer on blue (Quercus douglasii), scrub (Q. berberidifolia), shrub live (Q. turbinella), and leather (Q. durata) oaks."
Lat: 33.01, Long: -117.27
Spotted on Nov 13, 2013
Submitted on Nov 14, 2013