Parasites Dampen Beetle's Fight or Flight Response (image) PLOS Share Print E-Mail Caption Horned passalus beetle, Odontotaenius disjunctus, on a log. Credit Stuart Sims, in Athens, GA. Usage Restrictions CC-BY: Redistribution permitted with credit. 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.