EENY-427, a 3-page illustrated fact sheet by Jaret C. Daniels, is part of the Featured Creatures collection. It describes this large and robust-bodied butterfly found in habitats supporting yucca — distribution, description, life cycle, and hosts. Includes selected references. Published by the UF Department of Entomology and Nematology, February 2009.
http://edis.ifas.ufl.edu/IN800