Battling bugs (VIDEO) University of Arizona This video is under embargo. Please login to access this video. Caption Two male giant mesquite bugs fight each other in a laboratory experiment. Slow-motion part shows how one of the bugs slams its leg spike into the wings of its opponent. For this study, the researchers were able to measure and quantify the damage inflicted during such fights, revealing clues about the evolution of weapons in the animal kingdom. Credit Zachary Emberts/University of Arizona Usage Restrictions This visual may only be used for the purpose of posting and/or reporting of this news release. Credit information must be provided as indicated. 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.