Aggressive ant (IMAGE) Cell Press Caption A Harpegnathos saltator worker captured in an aggressive display (open mandibles) aimed at the photographer. Credit Karl Glastad (Berger Lab) Usage Restrictions Credit must be given to the creator. Adaptations must be shared under the same terms. License CC BY-SA 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.