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''Hyposmocoma laysanensis'' is a species of moth of the Cosmopterigidae family. It is endemic to Laysan. The type locality is Guano Rock. The wingspan is 5.2–7.7 mm. The larval case consists of a cone-shaped structure, which is 4.5–6.0 mm in length, small and thin and decorated with bits of sand, and probably guano, woven with silk filaments. The aperture is covered with an operculum and decorated with small pebbles, or sand grains fastened by silk. The background color ranges from off-white to gray. Adults were reared from case-making larvae. Larvae were collected on rocks, sometimes disposed in a pile, on the island of Laysan. When disturbed, larvae were observed to tightly close the operculum of their case with their mandibles. The abundance of the cases suggests that the species is very common on Laysan. ==External links== *(New species of Hyposmocoma (Lepidoptera, Cosmopterigidae) from the remote Northwestern Hawaiian Islands of Laysan, Necker, and Nihoa ) 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Hyposmocoma laysanensis」の詳細全文を読む スポンサード リンク
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