Une chenille de monarque (IMAGE) University of Ottawa Caption Une chenille de monarque se nourrit d'une feuille d'asclépiade au Texas au printemps 2018. Credit Megan Reich, Université d'Ottawa Usage Restrictions Megan Reich, University of Ottawa 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.