我国针叶树种类多,为害它们的害虫种类也很多。过去对这些害虫的鉴别,大都以成虫的形态特征为根据,但主要是幼虫为害,所以对幼虫的识别颇为重要。作者在刘友樵先生的鼓舞和指导下,大胆尝试幼期的识别,本文对6种卷蛾幼期进行比较,选择了 There are many coniferous species in our country, and there are many kinds of pests that harm them. The identification of these pests in the past mostly based on the morphological characteristics of adults, but mainly larvae damage, so the identification of larvae is quite important. Under the encouragement and guidance of Mr. Liu Youqiao, the author boldly tries to identify the young. In this paper, we compared the juvenile species