Owl butterfly - Owl butterfly

Japanese: フクロウチョウ(梟蝶) - フクロウチョウ

A general term for insects belonging to the Brassolidae family of the Lepidoptera order (illustration). They are closely related to the Satyridae family and include the large Caligo genus, the small Opsiphanes genus, and the Napoleon's Dinastor genus, which has a slightly retracted head and looks like it is buried. They have a wingspan of 4.5 to 14 cm and are found in tropical and subtropical areas from Mexico to South America. Species of the Brassolidae genus have a large eye-like pattern on their hind wings, and when they open their wings, the pair of eyes resembles an animal's eyes, which is said to be effective in scaring off predatory natural enemies such as birds.

Source: Heibonsha World Encyclopedia, 2nd Edition Information

Japanese:

鱗翅目フクロウチョウ科Brassolidaeに属する昆虫の総称（イラスト）。ジャノメチョウ科にごく近縁で，大型のフクロウチョウ属Caligo，小型のヒメフクロウチョウ属Opsiphanes，頭部が少し引っ込んでうずまった感じのナポレオンフクロウチョウ属Dinastorなどを含む。開張4.5～14cm。メキシコから南アメリカにかけての熱帯，亜熱帯に分布する。フクロウチョウ属のものは，後翅に1個の大きな眼状紋があり，翅をぱっと開いたときに，その左右の1対が動物の目玉を思わせ，鳥類などの捕食性天敵を威嚇するのに一定の効果をもつといわれる。

出典　株式会社平凡社世界大百科事典第２版について　情報

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