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Contact: Kevin Stacey
University of Chicago Press Journals


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

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