Red admirals have a wingspan of 1 7/8–2 1/2 inches (48-65 mm). The upper front wing is black with white apical spots and an orange median band. The upper hind wing has an orange marginal outer band. The underside of the front wing has a blue curcle with a dark center between the orange median band and an outer white rectangular spot.
- Opler, P. A. and A. Bartlett Wright. 1999. Western Butterflies. Peterson Field Guides. Houghton Mifflin Co., Boston, New York.
- Stewart, B., P. Brodkin, and H. Brodkin. 2001. Butterflies of Arizona. A Photographic Guide. West Coast Lady Press, Arcata, CA.
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