Most of us have seen colorful, whimsically-shaped wasp homes and not even known it! Come listen to gall wasp expert Dr. Kathy Schick present "Oak Galls of Fairfield Osborn Preserve: New Names for old wasps" at a general meeting of the Pacific Coast Entomological Society. Lunch and an optional two-hour hike will follow this indoor presentation.

To sign up, visit the Center for Environmental Inquiry website.