<i>Manduca sexta</i> (IMAGE) Max Planck Institute for Chemical Ecology Caption With the help of its antennae this night-active tobacco hornworm (Manduca sexta) has been able to locate wild tobacco flowers by smell and is now enjoying the nectar. Credit MPI for Chemical Ecology/Danny Kessler 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.