Pinheiro, Carlos E. G. (1996): Palatablility and escaping ability in Neotropical butterflies: tests with wild kingbirds (Tyrannus melancholicus, Tyrannidae). Biol. J. Linn. Soc.59(4): 351–365. HTML abstract
Scott, James A. (1986): The Butterflies of North America. Stanford University Press. ISBN 0-8047-1205-0
