The following bibliography has been generated by bringing together all references provided by our content partners. There may be duplication.
- 1987. The butterflies of Costa Rica and their natural history. Papilionidae, Pieridae, Nymphalidae. Princeton University Press. xxii + 327 pp.
Hilty, J. Editor. 2015. Insect Visitors of Illinois Wildflowers. World Wide Web electronic publication. illinoiswildflowers.info, version (06/2015)
See: Abbreviations for Insect Activities, Abbreviations for Scientific Observers, References for behavioral observations
- Pelham, Jonathan P. 2008. A catalogue of the butterflies of the United States and Canada with a complete bibliography of the descriptive and systematic literature. Journal of Research on the Lepidoptera, vol. 40. xiv + 658
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