Egg Stack Opened (IMAGE) University of Arizona Caption This is a seed beetle egg stack. The blackened parts of the eggs tell of a wasp hijacking them to raise their own larvae. But once pried open, the egg stack reveals a third egg, left unharmed under the protection of the upper two. Credit Joseph Deas Usage Restrictions This visual may only be used in conjunction with reporting/posting of this news release. Image/video credit must be included. 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.