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 ↓
The Western Pygmy Blue (Brephidium exilis or Brephidium exile) is one of the smallest butterflies in the world and is the smallest in North America. It has a wingspread of about half an inch.