Animation ant-wasp-oak interaction (VIDEO) Penn State This video is under embargo. Please login to access this video. Caption Researchers discovered that not only do gall wasps manipulate oaks to produce galls, but they also manipulate ants to retrieve the galls to their nests, where the wasp larvae may be protected from gall predators or receive other benefits. Credit Michael Tribone, Penn State Usage Restrictions Educational use only License Original 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.