Reslin (IMAGE) Penn State Caption This image shows the Pygidial gland secretory lobes of a Pennsylvania ground beetle, greatly enlarged through the confocal laser scanning microscopy. The glandular spheres (yellow) are where defensive chemicals are synthesized, which are subsequently transported to a reservoir chamber via a resilin-rich collecting duct (blue). Credit Adam Rork / Penn State Usage Restrictions Non commercial use only 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.