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A male Hypolimnas bolina, the Eggfly, or Blue Moon Butterfly. CREDIT: Sylvain Charlat/Science. Some moths and butterflies bear circular, high-contrast marks on their wings that have long been thought to scare off predators by mimicking the eyes of the predators' own enemies. - read more
Best Answer: In the case of the monarch butterfly: These dots are made of specialized scales that, in some butterflies, emit a chemical used in courtship. Even though this chemical does not appear to be important in monarch courtship, the males still have the spots. The spots are much ... - read more
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