Mimic stonefly (IMAGE) University of Otago Caption Similar ‘warning’ colouration of the non-toxic mimic Zelandoperla fenestrata stonefly (left), and cyanide-producing Austroperla cyrene (right). Credit University of Otago Usage Restrictions Nil License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.