Pupae of the ant Lasius neglectus (IMAGE) Institute of Science and Technology Austria Caption Pupae of the ant Lasius neglectus are usually protected by a cocoon. Nude pupae (center) had their cocoons removed and are sensitive to formic acid. Credit Christopher Pull 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.