Bed Bug Pitfall Traps (IMAGE) Entomological Society of America Caption This image shows the experimental set up for determining the efficacy of a new pitfall trap design in a laboratory test. Credit Entomological Society of America Usage Restrictions Credit Entomological Society of America. 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.