Stewart, B., P. Brodkin & H. Brodkin. 2001. Butterflies of Arizona, A Photographic Guide. West Coast Lady Press, Arcata, California. ii + 415 pp.

This book discusses all 331 species of butterfly seen in Arizona.
It is illustrated 557 full, half and quarter page photographs taken under natural conditions by the authors and several other professional insect photographers. Opposite each photograph is essential information that includes key field marks, time of year the adult flies, caterpillar food plant, range and habitat in Arizona and pertinent biological and behavioral notes.
There is an extensive food plant list edited by botanists Richard Felger and Michael Wilson.