Ridge and crossrib height of butterfly wing scales is a toolbox for structural color diversity
Cédric Finet,
Qifeng Ruan,
Yi Yang Bei
et al.
Abstract:The brightest and most vivid colors of butterflies usually originate from light reflecting off the cuticular scales that cover the wing membrane. These scales have an intricate architecture that consists of an upper layer, a grid of longitudinal ridges and transverse crossribs, connected to a lower lamina by pillars called trabeculae. Whereas the role of the lower lamina as a reflector has been well documented in simpler scales, this study unveils the role of scale upper surface in generating or fine-tuning hu… Show more
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