San Diego County, California

Butterflies of
San Diego County

A Visual Identification Guide

SD Lepidoptera

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Source & Citation

Species checklist sourced from the Checklist of Butterflies of San Diego County by the San Diego Natural History Museum, prepared by Nature Festivals of San Diego County with professional review by David Faulkner (SDNHM) and Dr. John Brown (Smithsonian Institute).

Species images sourced from iNaturalist community observations (Creative Commons licensed). Identification descriptions written for field use.

Original checklist revised 9/2002. Identification descriptions added for this guide.

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