The following bibliography has been generated by bringing together all references provided by our content partners. There may be duplication.


  • Beccaloni G., Scoble M., Kitching I., Simonsen T., Robinson G., Pitkin B., Hine A. & Lyal C. (2015). LepIndex: The Global Lepidoptera Names Index (version 12.3, Jan 2012). In: Species 2000 & ITIS Catalogue of Life, 26th August 2015 (Roskov Y., Abucay L., Orrell T., Nicolson D., Kunze T., Flann C., Bailly N., Kirk P., Bourgoin T., DeWalt R.E., Decock W., De Wever A., eds). Digital resource at Species 2000: Naturalis, Leiden, the Netherlands. ISSN 2405-8858.
  • Bland, R., H. Jaques. 1978. How to Know the Insects. Dubuque, IA: Wm. C. Brown Company Publishers.
  • Borror, D., D. De Long, C. Triplehorn. 1981. An Introduction to the Study of Insects. Philadelphia: CBS College Publishing.
  • Borror, D., R. White. 1970. Peterson Field Guides: Insects. Boston: Houghton Mifflin Company.
  • Eco-USA, 1999. "Comma: Polygonia comma" (On-line). Accessed 01/07/04 at
  • Hilty, J. Editor. 2015. Insect Visitors of Illinois Wildflowers.  World Wide Web electronic publication., version (09/2015) 
    See:   Abbreviations for Insect ActivitiesAbbreviations for Scientific ObserversReferences for behavioral observations
  • Majka, C. 2000. "Propagating Punctuation: Netting Commas Midst the Nettles" (On-line). Accessed April 15, 2000 at
  • 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
  • Scott, J. 1986. The Butterflies of North America: A Natural History and Field Guide. Stanford, CA: Stanford University Press.
  • Struttmann, J. 2000. "Eastern Comma (Polygonia comma)" (On-line). Butterflies of North America. Accessed 01/11/05 at


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