instar的翻译，读音

词态

例句

When given all four B. tabaci instars simultaneously, E. bimaculata decreased the parasitization on the 1st and 2nd instar nymphs but increased the parasitization on the 3rd and 4th instar immatures; 在4个龄期若虫同时存在时，双斑恩蚜小蜂会明显增加对3龄和4龄若虫的产卵寄生，降低对1龄和2龄若虫的寄生； 。

The predacious ability of fifth instar nymph and adult is larger. 随着日本高姬蝽虫龄的增长,取食量增大,其中5龄若虫和成虫的捕食作用较大. 。

The larvae had five instars, and exuviated at night, pupated at 5rd instar old larvae, pupation time need 2-4 days. 幼虫共有5龄，以夜晚蜕皮为主，5龄幼虫老熟后即觅地化蛹，化蛹持续时间2-4天。

The results indicated that the 1st instar larvae of A. lucorum was the sensitive stage. 结果表明： 绿盲蝽的敏感虫态为1龄若虫； 。

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. 。