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虫龄

网络instar

虫龄

虫龄

instar

这就是虫龄（instar）的概念。在相邻的两次脱皮之间所经历的时间，称为龄期（stadium）。

1

Age slightly larger insects , larvae are browsing mesophyll, leaving only a layer of skin, known as the "open window . "

虫龄稍大，幼虫则啃食叶肉，仅留下一层表皮，称之为 “开天窗 ”。

2

Differences between parental instars are the main reason for variation in parental factors .

在亲代自身因素的影响中，亲代虫龄差异是主要因素。

4

During each successive growing stage (instar ), the nymph begins to resemble the adult more closely.

随著每一个相连的成长阶段（虫龄），若虫的外形与成虫越来越相似。

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