Luring the Beetles (IMAGE) University of California - Riverside Caption To lure beetles, UC Riverside entomologist Jocelyn Millar and University of Illinois entomologist Larry Hanks used small plastic bags with a dose of the pheromone, which slowly bleeds through the plastic. Credit Millar lab, 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.