<i>Idea leuconoe</i> (IMAGE) Helmholtz Association Caption The Tree Nymph butterfly (Idea leuconoe) is a large white species with black patterns. It is widely distributed in Asia and commonly shown in butterfly houses. The picture shows the characteristic pupa. Credit Prof. Dr. Yalin Zhang/ Chinese Butterfly Society Usage Restrictions None 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.