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The Great Eggfly (Hypolimnas bolina), also called the Blue Moon Butterfly in New Zealand or Common Eggfly, is a species of nymphalid butterfly. Race bolina H. bolina is a black-bodied butterfly with a wingspan of about 70–85 millimetres (2.8–3.3 in). The species has a high degree of sexual dimorphism. The female is mimetic with multiple morphs. Male The upper side of the wings are jet black, offset with three pairs of white spots &two on the forewing and one on the hind. These white spots are surrounded by purple iridescence. In addition, the upper side of the hind wing bears a series of small white dots. Female The upper side of the wings of the female is a brownish black and does not have any spots like those of the male. The edges bear white markings which are similar to those of the Common Indian Crow.