Light Trap (IMAGE) Smithsonian Tropical Research Institute Caption This light trap on Panama's Barro Colorado Island lures sand flys that carry leishmaniasis, as well as other insects. Credit Provided by Dianne de la Cruz Usage Restrictions Credit: STRI 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.