Example of biological control (IMAGE) University of Queensland Caption A parasitic wasp (biological control agent) injects an egg into a pest caterpillar. The wasp will develop inside the caterpillar, eventually killing it. Credit The University of Queensland Usage Restrictions To be only used with this story. 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.