P. R.  Ehrlich and Raven, P. H., ?Butterflies and plants. A study of coevolution?, Evolution, vol. 18, pp. 586-608, 1964.

D. H.  Janzen, ?When is it Coevolution??, Evolution, vol. 34, pp. 611-612, 1980.

F. S.  Chew, ?Coevolution of pierid Butterflies and their cruciferous foodplants .2. Distribution of eggs on potential foodplants?, Evolution, vol. 31, pp. 568-579, 1977.

D. R.  Strong and Wang, M. D., ?Evolution of insect life histories and host plant chemistry - Hispine beetles on Heliconia?, Evolution, vol. 31, pp. 854-862, 1977.

B. D.  Farrell and Sequeira, A. S., ?Evolutionary rates in the adaptive radiation of beetles on plants?, Evolution, vol. 58, pp. 1984-2001, 2004.