When are Butterflies and Moths Active (video) Florida Museum of Natural History Share Print E-Mail Loading video... Caption Florida Museum lepidopterist Akito Kawahara and his lab are researching when butterflies and moths are active - a surprisingly complex question. Credit Florida Museum Usage Restrictions Please credit Florida Museum. Soundtrack: "Sen (OKAM Remix)" by The Aurora Principle, licensed under CC BY-NC-SA 4.0. 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.