• 因此研究上的蚧虫具有重要意义

    Therefore, to explore the scale insects on bamboos is of great meaning.

    youdao

  • 现在正被人们广泛释放用来防治等害

    Now being widely released for biological control of aphids and scale insects.

    youdao

  • 第三,对北京地区温室蚧虫种类组成寄生部位进行了分析。

    Third, Species composition and parasited location of scale insects in Greenhouses of Beijing were analysed.

    youdao

  • 首先对为害河北省室外观赏树木进行调查统计分析。

    First, scale insects of outdoor ornamental plants in Hebei province have been investigated and analyzed statistically.

    youdao

  • 掌握蚧虫12龄若喷药可大大提高“灭”的杀效果

    When we apply 'Mie Jie Ling' at 1 age nymphal stage, 2 age nymphal initial stage of scale louse, its results will improve greatly.

    youdao

  • 随着温室植物调运日益频繁,对危害温室植物种类调查也变得尤为重要

    Identifications on scale insects of greenhouse plants become more and more important because greenhouse plants were transported more frequently.

    youdao

  • 松针红蜡密度与针叶变呈正相关,受害木材积生长率受到较大影响。

    The population density shows a positive correlation to the blackening degree of the needle.

    youdao

  • 柑桔褐软蚧虫国外部分国家成为难以对付的害,主要缺乏具有制约作用的寄生性天敌。

    Two Soft Acales Coccus pseudomanoliarum Kuw. and C. hesperidum L. are difficult to be controlled in some oversea areas where parasitic wasps are not occurred.

    youdao

  • 本文根据分类系统要求,每种蚧虫按其分别列出、学名、采地寄主为害程度生活史习性

    Chinese name, latin name collection site, host, damage degree, life circle, habit, etc of each coccoidea was listed according to species and families.

    youdao

  • 检索文献资料调查的基础上,对浙江省花木分布、种类和为害程度进行了补充整理,收录浙江省花木蚧虫1297258

    Based on literatures and documents, 258 species to 97 genera to 12 families of scale insects damaging to flowers and plants in Zhejiang province(Homoptera:Coccidea)were recorded.

    youdao

  • , 水腊科同翅类昆中的一种,其中有些柑橘属果树其他植物毁灭性危害

    Any of various homopterous insects, especially of the family Pseudococcidae, some of which are destructive to citrus trees and other plants.

    youdao

  • , 水腊科同翅类昆中的一种,其中有些柑橘属果树其他植物毁灭性危害

    Any of various homopterous insects, especially of the family Pseudococcidae, some of which are destructive to citrus trees and other plants.

    youdao

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