Recently, more and more attention was paid on insect chitinase in plant pest control, for it could degrade chitin, one of the main components of insect integument and petritropic membrane.

• 摘要昆虫几丁质酶可以降解昆虫体壁和中肠围食膜的主要组成成分几丁质，近年来受到了越来越多的关注。