Mosquito Antennae Pits (IMAGE) University of California - Santa Barbara Caption Pits at the end of the mosquito’s antennae shield the peg-like structures that detect thermal IR. Credit DeBeaubien and Chandel et al. Usage Restrictions Credit must be given to the creator. Only noncommercial uses of the work are permitted. No derivatives or adaptations of the work are permitted. License CC BY-NC-ND 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.