Blowfly (IMAGE) Penn State Caption Researchers used a scan electron microscope to find where bacterial cells and particles attach to the fly body. The electron microscope captures an up close look at the head of a blowfly in this picture. Credit Ana Junqueira and Stephan Schuster 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.