Pollen Detection (IMAGE) American Chemical Society Caption Scientists have identified chemical structures in pollen -- shown above covering the face and legs of a Marmelade fly-- that could help provide a real-time pollen detection and warning system to help allergy sufferers. Credit André Karwath 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.