The reflected light from some beetles (e.g. ''[[Cetonia aurata]]'') is elliptical polarized.<ref>[http{{Cite journal|url=https://wwwdoi.tandfonline.com/doi/fullorg/10.1080/14786435.2011.648228|title=Chirality-induced polarization effects in the cuticle of scarab beetles: 100 years after Michelson.|first1=Hans|last1=Arwin|first2=Roger|last2=Magnusson|first3=Jan|last3=Landin|first4=Kenneth|last4=Järrendahl|date=April 21, 2012]|journal=Philosophical Magazine|volume=92|issue=12|pages=1583–1599|via=Taylor and Francis+NEJM|doi=10.1080/14786435.2011.648228}}</ref>