![]() bolina is found in Madagascar in the west, through to South and Southeast Asia, Cambodia, the South Pacific islands ( French Polynesia, Tonga, Tuvalu, Samoa and Vanuatu), and occurs in parts of Australia as far south as Victoria during summer and autumn, Japan, and New Zealand. ![]() Phenotypic plasticity is such that individuals are generally darker if they develop under cooler temperatures. The female ventral wing surfaces are similar to those of the male. One genetic morph, named euploeoides by Clarke & Sheppard (1975), is thought to present a mimic of one or several members of the genus Euploea. Polymorphism is expressed primarily on the dorsal surface, with morphs varying in the presence of white, orange and blue markings. The ventral surface lacks any ultraviolet iridescence and consists essentially of banded white markings set against a brownish background.įemales are owing to the presence of both genetic polymorphism and phenotypic plasticity. Numerous smaller white spots fringe the fore- and hindwings. They actually consist of a white center overlain by bright ultraviolet iridescence, a colour generated by nanostructures on the wing scale surface. To a human observer these appear as white spots fringed with blue-violet. The dorsal wing surface is jet black but features three prominent spots, two on the forewing and one on the hindwing. The female is mimetic with multiple morphs. ![]() The species has a high degree of sexual dimorphism. bolina is a black-bodied butterfly with a wingspan of about 70–85 millimetres (2.8–3.3 in). Hypolimnas bolina, the great eggfly, common eggfly, varied eggfly or in New Zealand the blue moon butterfly is a species of nymphalid butterfly found from Madagascar to Asia and Australia. ![]()
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