Rhaetian Wallflower (<em>Erysimum rhaeticum</em>) (IMAGE) eLife Caption A Rhaetian wallflower (Erysimum rhaeticum) under attack by a caterpillar. Credit Tobias Zuest (CC BY 4.0) Usage Restrictions This image is free to be reused, as long as it is credited appropriately. 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.