Tobacco Hawkmoth Drinking Nectar (IMAGE) Max Planck Institute for Chemical Ecology Caption During the night, a tobacco hawkmoth (Manduca sexta) uses its proboscis to suck nectar from a flower of the wild tobacco Nicotiana attenuata. Sensory neurons located on the tip of the proboscis respond to the floral volatile (E)-α-bergamotene. Credit Danny Kessler, Max Planck Institute for Chemical Ecology 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.