Leaf-Footed Bug, Leptoscelis Tricolor (image) Smithsonian Tropical Research Institute Caption Male, leaf-footed bugs, Leptoscelis tricolor, with wings open as in flight. Ummat Somjee, Tupper post-doctoral fellow at the Smithsonian Tropical Research Institute studies the hidden metabolic cost of maintaining weapons like the large, spiny hind legs of these insects. Credit Ummat Somjee Usage Restrictions Credit: Ummat Somjee 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.