2014
DOI: 10.1073/pnas.1402770111
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Abstract: Brilliant animal colors often are produced from light interacting with intricate nano-morphologies present in biological materials such as butterfly wing scales. Surveys across widely divergent butterfly species have identified multiple mechanisms of structural color production; however, little is known about how these colors evolved. Here, we examine how closely related species and populations of Bicyclus butterflies have evolved violet structural color from brown-pigmented ancestors with UV structural color.… Show more

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Cited by 62 publications
(62 citation statements)
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“…Quantitatively, mean maxima and minima in the 370 reflectance function were offset laterally for every specimen, by about 40-80 nm, with the 371 modeled curves blue-shifted relative to the observed. A similar blue shift has been reported in 372 butterfly scale laminae before [9]. The comparison improves if we assume a higher refractive 373 index or thickness.…”
Section: Color Phenotypes In Optix Mutants Include Altered Lamina Thisupporting
confidence: 71%
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“…Quantitatively, mean maxima and minima in the 370 reflectance function were offset laterally for every specimen, by about 40-80 nm, with the 371 modeled curves blue-shifted relative to the observed. A similar blue shift has been reported in 372 butterfly scale laminae before [9]. The comparison improves if we assume a higher refractive 373 index or thickness.…”
Section: Color Phenotypes In Optix Mutants Include Altered Lamina Thisupporting
confidence: 71%
“…112 evarete (Fig. 1F), and offer a useful comparison to a previously reported artificial selection 113 experiment in butterflies [9]. 114 115…”
mentioning
confidence: 83%
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“…Structural colors play major roles in natural and have a broad range of applications in color display, paint, cosmetics, and other many devices that require active optical components [7,8]. The color is due to light interference, diffraction, and scattering on internal with nano or microstructures composed of different refractive index materials that are comparable to the visible wavelength of light.…”
Section: Introductionmentioning
confidence: 99%
“…This implies a larger perceptual range than is usually required, which could have the evolutionary advantage of permitting responses to relatively rapid quantitative changes in releasing stimuli, thus facilitating adaptation. For example, deviations in the structural coloration of butterfl y wings can occur many times faster (Brakefi eld & French, 1999;Wasik et al, 2014; see also Meyer-Rochow & Järvilehto, 1997) than corresponding morphological modifi cations in the properties of the visual system.…”
Section: Introductionmentioning
confidence: 99%