Parasitic Butterfly Larvae and Ant (IMAGE) PLOS Caption Parasitic butterfly larvae may use acoustic signals to infiltrate ant colonies. Credit Luca P. Casacci Usage Restrictions Luca P. Casacci 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.