Hypermetamorphosis (English spelling)

Japanese: 過変態 - かへんたい（英語表記）hypermetamorphosis

This refers to the complete metamorphosis of insects in which the basic structure changes between the early and late larvae. This phenomenon is seen in parasitic Hymenoptera and Dentiptera, and is an adaptation to the special environment in which the larvae parasitize the host body. In Hymenoptera wasps, eggs hatch early inside the host body and the first instar is a protolimbic larva, which then becomes a limbless larva, which is unique to Hymenoptera. In Dentiptera, the first instar is a three-clawed larva, which then burrows into the host body and becomes a limbless larva.

Source: Encyclopaedia Britannica Concise Encyclopedia About Encyclopaedia Britannica Concise Encyclopedia Information

Japanese:

昆虫の完全変態のうち，初期幼生と後期幼生で基本体制が変るものをいう。寄生性の膜翅目と撚翅目にみられ，幼虫が宿主体内に寄生するという特殊な環境に適応した現象。膜翅目のコバチ類では，宿主体内で卵が早期に孵化し第1齢は原肢型幼虫，以後，膜翅目特有の無肢型幼虫となる。撚翅目では第1齢は三爪幼虫でその後宿主体内にもぐり無肢型幼虫となる。

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