Matador Bug_Ummat Somje_eureka_100MB.mp4 (VIDEO) Smithsonian Tropical Research Institute This video is under embargo. Please login to access this video. Caption Why do Matador bugs have colorful flags on their hind legs and why do they wave them? Traditional sexual selection does not explain why bugs have these structures. Credit Ana Endara, Smithsonian Tropical Research Institute Usage Restrictions Credit: Smithsonian Tropical Research Institute 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.