A Malaise Trap (IMAGE) University of California - Riverside Caption This photo shows the kind of trap used in the discovery of Gonatocerus ucri. The alcohol-containing bottle is seen at the top of the trap. Credit Entomology Research Museum, UC Riverside. Usage Restrictions None 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.