SUSUMU NISHINAGA / SCIENCE PHOTO LIBRARY SUSUMU NISHINAGA / SCIENCE PHOTO LIBRARY
Swallowtail butterfly wing scales. Coloured scanning electron micrograph (SEM) of scales from a swallowtail butterfly (family Papilionidae) wing. Layers of wing scales are transparent but tiny ridges on the scales break up and reflect light to give the scales their shimmering iridescent appearance.
Model release not required. Property release not required.