Cockroach Under Ledge (image) University of California - Berkeley Caption This is an American cockroach under a ledge. Credit Jean-Michel Mongeau and Pauline Jennings. Courtesy of PolyPEDAL Lab UC Berkeley. Usage Restrictions None 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.