Heliconius spp. (image) Smithsonian Tropical Research Institute Share Print E-Mail Caption Heliconius butterflies were reared in butterfly houses at the Smithsonian Tropical Research Institute's facilities in Gamboa, Panama. Credit STRI Usage Restrictions Credit: STRI Share Print E-Mail 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.