Butterflies of Tucson, Arizona
This guide provides an overview of the butterflies that live in and around Tucson, Arizona. Skippers are not covered here, there are so many of them that they deserve their own field guide. There are 5 families of "true" butterflies: Gossamer-winged Butterflies (Lycaenidae, includes ...more ↓
Mexican Yellow
The Mexican Yellow (Eurema mexicana, sometimes called the Wolf-Face Sulphur) is a North and South American butterfly in the family Pieridae. It occurs mainly in Mexico but occasionally is found in central and southwestern USA and rarely in Canada.
