The colleague Seth M. Bybee - from Brigham Young University, gave us an excellent talk, titled: Color, Opsins and vision in Odonata, at UFU - Universidade Federal de Uberlândia, MG, Brasil, 2017. This conference was presented during the II Behavioral Ecology and Interactions Symposium organized by Prof. Kleber Del Claro and Helena Maura Torezan Silingardi with the staff of LECI - Behavioral Ecology and Interactions Lab.