Young Aphid (2 of 2) (IMAGE) BMC (BioMed Central) Caption This is a young aphid getting a piggyback from an adult aphid. Credit Stav Talal 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.