Pea Aphid and Wasp (IMAGE) BMC (BioMed Central) Caption The super-parasitic wasp, Aphidius ervi, attacks the pea aphid, Acyrthosiphon pisum. Credit Alex Wild 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.