Fire Ant Queen with Two Workers (IMAGE) Queen Mary University of London Caption Solenopsis invicta fire ant queen (large), two workers (smaller), one pupa (whiteish) on a subset of the DNA sequence of their social chromosome. Credit Credit: Romain Libbrecht and Yannick Wurm 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.