Paper Wasps (IMAGE) National Evolutionary Synthesis Center (NESCent) Caption Paper wasps represent an intermediate stage in the evolution of eusocial behavior. While many social insects have distinct social classes that differ in appearance, in paper wasp society all castes look alike. Credit Photo by J. Meyer 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.