• 研究结果表明方法可以准确地预测越冬玉米螟产卵期。

    The result of the study has shown that the method in this paper can forecast accurately the spawning time of corn borer of overwintering generations.

    youdao

  • 蚕种防治策略:主要做好越冬桑螟防治清理工作。

    The most importance of control mulberry pyralid in silkworm egg producing farms was to control and clear the over winter generation.

    youdao

  • 草地长沙地区草坪越冬基数很小,在长沙地区为害为外地迁入的虫源,为害程度主要取决于异地越冬代成虫迁入量的多少。

    The over-winter cardinal number of meadow moth was very small in lawn in Changsha area, and they were a number of meadow moths coming from other places, not from the Changsha area.

    youdao

  • 我省发生虫茧中越越冬,长达10月。

    It has one generation a year and over wintering and spending summer in the form of cocoon in soil for of more than 10 months.

    youdao

  • 该虫四川省卧龙自然保护区一发生通常越冬

    In general, it has two generations per year in Wolong Reserve, Sichuan Province. It hibernates in pupal stage.

    youdao

  • 黄杨尺蠖上海发生,但在室内饲育可完成四在土中越冬

    Investigations in Shanghai reveal that three generation of euonymus geometer occur inthe course of a year, with the pupa surviving the winter underground.

    youdao

  • 上海发生,以幼虫蒜头棉铃组织内越冬

    It has three generations a year in Shanghai and overwinters asa diapaused larva in the head of the garlic and the dead cotton boll.

    youdao

  • 挨得过严冬这些越冬的蝴蝶可以春天繁殖地繁衍下一

    Only those survive the winter are able to produce their offsprings in the coming spring back in the north.

    youdao

  • 挨得过严冬这些越冬的蝴蝶可以春天繁殖地繁衍下一

    Only those survive the winter are able to produce their offsprings in the coming spring back in the north.

    youdao

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