Firefly Pupa (IMAGE) Indiana University Caption A firefly's photic organ is functional throughout pupation and glows when the pupa is disturbed. Credit ARMIN MOCZEK AND MATTHEW STANSBURY Usage Restrictions None License Licensed 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.