Kissing Bug After Feeding (IMAGE) University of Toronto Caption This is a Rhodnius prolixus in the fifth instar stage. Credit Photo provided courtesy of AXS Biomedical Animation Studio Inc 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.