Photo 1 (IMAGE) National University of Singapore Caption The colourful wings of Bicyclus anynana butterflies. Expression of WntA (magenta) and optix (cyan) define the central band and eyespot rings of the adult butterfly. Credit Tirtha Das Banerjee (left), and William H. Piel (right) Usage Restrictions NA 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.