Butterfly wing (IMAGE) Florida Museum of Natural History Caption Atala butterflies, Eumaeus atala, have a single red spot on the underside of their hind wings, which partially covers their abdomen when their wings are closed. Credit Florida Museum photo by Zachary Randall Usage Restrictions Credit must be given to the creator. License CC BY 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.