Butterfly (image) University of Chicago Press Journals Share Print E-Mail Caption These are different butterflies photographed in daylight (first and second rows) and through an ultraviolet filter (third row). Heliconius (left) are colorful in the ultraviolet while those of mimetic Eueides (right) are colorful only in visible light. New research suggests that the ability of Heliconius butterflies to detect ultraviolet color could help them identify their compatriots in a world of mimics. Credit Adriana Briscoe/UCI © Usage Restrictions None 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.