Aphid (image) Penn State Share Print E-Mail Caption R. maidis feeds on a wheat plant. The team found that viruses manipulate the feeding behavior of aphids to improve their own ability to pass on their genomes to the next generation of viruses. Credit J. Smith, Penn State Usage Restrictions non commercial use only Share Print E-Mail 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.