Light guidance in photonic structures of Morpho butterfly wing scales | SpringerLink
Butterfly scales — Linden Gledhill Photography
Monarch butterflies' beautiful wing scales enable their epic migration | New Scientist
Brilliant iridescence of Morpho butterfly wing scales is due to both a thin film lower lamina and a multilayered upper lamina | Journal of Comparative Physiology A
Beating the Heat in the Living Wings of Butterflies | Columbia Engineering
Peeking into a chrysalis, videos reveal growth of butterfly wing scales | MIT News | Massachusetts Institute of Technology