Fig. 1

Representative coloration of Heliconius species. a, b, d, e Photographs of pinned specimen of H. telesiphe, H. melpomene, H. doris, and H. sara, respectively. Scale bars: 1 cm. c, f Reflectance spectra of the various colored dorsal wing areas measured with a bifurcated probe. The number near each spectrum corresponds to the wing location in panels a-d where the spectrum was measured