Andricus opertus (Hymenoptera: Cynipidae)
Fimbriate Gall Wasp
near Cahuilla Tewanet Vista Point off Hwy 74, in the San Jacinto and Santa Rosa Mountains, Riverside County, California
May 8, 2008

On scrub oak. At the tip of one of the fiberlike extensions of the gall is a lacewing egg (on a stalk).