Retroreflective Markers on Body of Dragonfly (image) Howard Hughes Medical Institute Share Print E-Mail Caption This is a composite image of dragonfly carrying retroreflective markers. The markers are used to measure the orientation of the dragonfly's head and body during flight. The data from the measurements allows the underlying steering strategy to be inferred. Credit Igor Siwanowicz, Leonardo Lab, HHMI/Janelia Research Campus Usage Restrictions Credit must be included: Credit: Igor Siwanowicz, Leonardo Lab, HHMI/Janelia Research Campus Share Print E-Mail 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.