Scientists view insect wings against black background, discover previously unrecognized stable iridescent patterns that are likely used in signaling

Shetsova et al. 2011. “Stable structural color patterns displayed on transparent insect wings.” PNAS vol. 108 no. 2 668-673. 2011, doi: 10.1073/pnas.1017393108 

http://www.pnas.org/content/108/2/668.full

Summary: http://www.wired.com/wiredscience/2011/01/insect-wing-color/

Pachyrrhynchus gemmatus, a weevil with opalescent photonic crystal scales

Photo 1: Robert Corkery: Natural self-assembled photonic paintings- inspiration for a post-pointillist

Photos 2 and 3:  Seago et al. 2009. “Gold bugs and beyond: a review of iridescence and structural colour mechanisms in beetles (Coleoptera).” J. R. Soc. Interface 6 April 2009 vol. 6 no. Suppl 2 S165-S184 doi: 10.1098/​rsif.2008.0354.focus

http://rsif.royalsocietypublishing.org/content/6/Suppl_2/S165.full