Color patterns play central roles in the behavior of insects, and are important traits for taxonomic studies. Here we report striking and stable structural color patterns—wing interference patterns ...

Small imperfections in a wine glass or tiny creases in a contact lens can be tricky to make out, even in good light. In almost total darkness, images of such transparent features or objects are nearly ...

A group of distantly related butterflies that have all converged on the transparent pattern. The top two (Methona and Lycorea) and the bottom one (Notophyson) are unpalatable, but the Patia and ...