Polarisation vision: beetles see circularly polarised light.
It has long been known that the iridescent cuticle of many scarab beetles reflects circularly polarised light. It now turns out that scarabs can also see this light, potentially using it as a covert visual signal.
Warrant
Eric J
EJ
Department of Biology, University of Lund, Sölvegatan 35, S-22362 Lund, Sweden. Eric.Warrant@cob.lu.se
D000819:Animal Communication; D000818:Animals; D001517:Coleoptera / Q000502:physiology*; D019476:Insect Proteins / Q000737:chemistry; D008027:Light; D014785:Vision, Ocular / Q000502:physiology*
D019476:Insect Proteins; C047663:cuticle proteins, insects