Parsitic wasps, Rothamsted Research (IMAGE) Rothamsted Research Caption Parasitic wasps, on aphid hunt, at Royal Institution Christmas Lectures, broadcast 26-28 December on BBC. Credit Rothamsted Research Usage Restrictions with acknowledgement/credit 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.