Glowstick Trap (IMAGE) Penn State Caption Using glow sticks in traps, researchers found that spotted salamanders were three times more likely to be captured in population surveys. Credit David Munoz, Penn State Usage Restrictions non commercial use only 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.