The maximum re - production period occurred during the 6 th adult instar.

生殖量最大出现在第6成龄.

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Adult phototaxis and first instar larva eat rotten organic matter.

成虫有趋光性,初孵幼虫喜食已腐烂的有机质.

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The result of the same insecticide against different popution instar larva of Cnaphalocrocis medinalis were difference.

同一杀虫剂对不同地区的稻纵卷叶螟幼虫的防治效果有差异.

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Pathogenicity test at saturated humidity showed that the third instar was very susceptible to fungal infection.

在饱和湿度下三龄烟粉虱若虫对真菌侵染非常敏感.

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The parasitoid of the leaf miner , Pnigalio phragmitis Erdos, prefers the third instar to parasitizing.

芦苇格姬小蜂为美洲斑潜蝇的幼虫寄生蜂, 比较喜欢在美洲斑潜蝇的三龄幼虫上寄生.

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