[ 复数 instars 第三人称单数 instars 现在分词 instarring 过去式 instarred 过去分词 instarred ]
larval instar 幼虫龄期 ; 幼虫龄
mean instar 平均龄期
final instar larva 末龄幼虫
fourth instar larva 四龄幼虫
th instar 龄幼虫
The results showed that natural elimination mainly took place at younger period, especially at first instar.
调查结果表明,在自然状态下,野蚕的自然淘汰主要发生在小蚕期,尤其是一龄期。
参考来源 - 野桑蚕抗性的研究·2,447,543篇论文数据，部分数据来源于NoteExpress
N the stage in the development of an insect between any two moults (昆虫的)蜕变期
Near the end of each instar, the larva undergoes a process called apolysis.
每一个龄期快结束时，幼虫会经历老落这一过程。
With 8th instar nymphs, the critical period for regeneration was from 20 to 26 days-old.
以8龄若虫为研究对象，发现其再生临界期为20 ~ 26日龄。
Fasting experiments with the fifth instar larva indicate that free lipidscould be utilized as an energy source.
结合幼虫饥饿实验，表明游离脂肪是可以被动用的作为能源的物质之一。
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