optix drives the repeated convergent evolution of butterfly wing pattern mimicry

Reed, R. D., R. Papa, A. Martin, H. M. Hines, B. A. Counterman, C. Pardo-Diaz, C. D. Jiggins, N. L. Chamberlain, M. R. Kronforst, R. Chen, G. Halder, H. F. Nijhout, and W. O. McMillan. 2011.  optix drives the repeated convergent evolution of butterfly wing pattern mimicry.  Science 333: 1137-1141.  Science Perspective  New York Times  F1000 Opinions