Gulf Fritillary colonizes Sacramento and Davis There’s a new butterfly in town in the Sacramento metropolitan area. Well, almost new: it’s back after about 40 years. The Gulf Fritillary has returned, and it’s even breeding in midtown.
Book: Field Guide to Butterflies of the San Francisco Bay and Sacramento Valley Regions by Arthur M. Shapiro (Author) and Timothy D. Manolis (Illustrator) University of California Press
