References

Attributes of the Battus philenor. URL: < http://www.butterfliesandmoths.org/species/Battus-philenor >. Accessed 13 April 2013.

Blankenship, B., Dimarco,R.,Nice, C. 2012. Host plant trichomes and the advantage of being big: Progency size variation of the pipevine swallowtail. Ecological Entomology 35(1), 104-107.

Brower, A., Freitos, A., Silva-Brandao, K., Solferini, V. 2005. Phylogenetic relationships (Lepidotera: Papiliondae) based on COI, COII, and EF-1α genes. Molecular Phylogenetics and Evolution 36 (1), 468-483.

Fordce, J., Nice, C., Shapiro, A. 2006. A novel trade-off of insect diapause affecting a sequestered chemical defense. Oecologia 146(1), 101-106. 

Fordyce, J. Rosenheim, J. 2005. How caterpillars avoid overheating: Behavioral and phenotypic plasticity of pipevine swallowtail larvae. Oecologia 146(4), 541-548.

Glassberg, J.2001.Butterflies through the west: A field guide to the butterflies of western North America. Oxford University Press, New York, New York, USA.

Hoskins. A, N.D. Learn about butterfies: the complete guide to the world of butterflies & moths. > URL: http://www.learnaboutbutterflies.com >. Accessed 25 April 2013

Mikula,R. 1997. Garden butterflies of North America. Willow Creek Press, Minocqua, Wisconsin, USA.

Pipevine swallowtail. URL:
< http://www.fcps.edu/islandcreekes/ecology/pipevine_swallowtail.htm >. Accessed 15 April 2013.

Ramos, I. 2001.Animal Diversity Web. URL: < http://animaldiversity.ummz.umich.edu/accounts/Battus_philenor/ >. Accessed 15 April 2013.

Reed, R.D., Felix, A., Sperling, H. 2006. Papilionidae  URL: <http://tolweb.org/Papilionidae> Accessed 25 April 2013.

Tveten, G.Tveten,J.1996. Butterflies of Houstan & southeast Texas. University of Texan Press, Austin, Texas, USA.  

Schappert,P. 2000. A world of butterflies: Their lives, behavior and future. Firefly Books, Buffalo, New York, USA. 

Species Battus philenor. URL: < http://bugguide.net/node/view/412 >. Accessed 15 April 2013.

Hadley, D. N.D. 10 cool facts about butterflies. URL: < http://insects.about.com/od/butterfliesmoths/a/10-facts-butterflies.htm >. Accessed 25 April 2013.

Hadley, D. N.D. Swallowtails and parnassians, family papilionidae. URL: <http://insects.about.com/od/butterfliesmoths/p/Swallowtails-And-Parnassians-Family-Papilionidae.htm >. Accessed 25 April 2013.

Wilson, Tracy V.2008. How Butterflies Work.URL:  < http://science.howstuffworks.com/zoology/insects-arachnids/butterfly.htm >.  Accessed 11 April 2013.

To view some more beautiful pictures of Battus philenor visit the Gallery.

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