Лялечка




Лялечка метелика Agraulis vanillae


Ля́лечка (лат. pupa) — стадія індивідуального розвитку комах з повним перетворенням, яка слідує за личинкою і перед імаго. Лялечка не живиться і здебільшого не може рухатися. В ній відбувається інтенсивна внутрішня перебудова, в ході якої комаха перетворюється з личинки на імаго. При цьому більша частина личинкових органів руйнується. Залишається лише нервова система, зачатки статевих залоз і імагінальні диски, з яких формуються імагінальні органи.


Тривалість стадії лялечки коливається від 6—10 діб у деяких видів мух до багатьох місяців (якщо лялечка впадає в діапаузу).




Зміст





  • 1 Типи лялечок


  • 2 Лялькування


  • 3 Кокон, колиска, пупарій


  • 4 Література


  • 5 Див. також




Типи лялечок |


Розрізняють три типи лялечок. У вільних лялечок крила, вусики та ноги щільно притиснуті до тіла, але не зчеплені з ним. У покритих загальний покрив охоплює все тіло, включно з крилами, ногами та вусиками, а у схованих личинкова шкірка під час останньої линьки не відкидається, як у більшості комах, а утворює несправжній кокон — пупарій.



Лялькування |



Кокон, колиска, пупарій |



Література |


  • Биологический энциклопедический словарь. — Москва. «Большая Советская энциклопедия». 1986.


Див. також |


  • Життєвий цикл комах


Вікісховище має мультимедійні дані за темою: Лялечка

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