昆虫的世代和越冬代兼答陕西读者张健生世代（代）即从卵开始至成虫产卵为止，昆虫的整个生长发育周期称为一个世代，简称代。换句话说，世代就是昆虫个体发育的全过程。各种昆虫完成一个世代所经历的时间长短是不同的。桃小食心虫一年１—２代，舟形毛虫一年１代，桑天牛... Insect generation and overwinter generation and answer Shaanxi reader Zhang Jiansheng generation (on behalf) that is, from the egg to the adult spawning so far, the entire growth and development cycle of insects called a generation, referred to as generation. In other words, generations are the entire process of individual insect development. The length of time a variety of insects have completed one generation is different. Peach small heart worms 1-2 generations a year, boat-shaped caterpillars a generation a year, mulberry ...