Pitcher Plant with Ant (IMAGE) PLOS Caption This is an N. gracilis pitcher with a visiting Polyrhachis pruinosa ant. Credit From: Bauer U, Di Giusto B, Skepper J, Grafe TU, Federle W (2012) With a Flick of the Lid: A Novel Trapping Mechanism in Nepenthes gracilis Pitcher Plants. PLoS ONE 7(6): e38951. doi:10.1371/journal.pone.0038951 Usage Restrictions Please include citation 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.