Hyphantria cunea

  • 网络美国白蛾
Hyphantria cuneaHyphantria cunea
  1. Living Habits and Biological Control of Hyphantria cunea in Tianjin

    天津地区美国白蛾的生活习性及生物防治

  2. Research progress on the invasive species , Hyphantria cunea

    外来入侵种&美国白蛾的研究进展

  3. Damage Analysis and Loss Evaluation after Hyphantria Cunea ( Drury ) 's Invading China

    美国白蛾入侵对我国的危害分析与损失评估研究

  4. Study on a Synergistic Effect of Three Fluorescent Brighteners on Hyphantria cunea NPV

    三种荧光增白剂对HcNPV增效作用研究

  5. Occurring regularity and integrated control of Hyphantria cunea

    美国白蛾的发生规律与综合防治

  6. Quarantine and Monitoring Procedures and Techniques of Hyphantria Cunea

    美国白蛾快速监测检疫技术程序与方法

  7. Studies on Genetic Diversity and Differentiation in Fall Webworm ( Hyphantria Cunea ) Population and Its Influence Factors

    美国白蛾种群遗传多样性与遗传分化及影响因素研究

  8. The efficacy tests of 3 % high permeation fenoxycarb against Hyphantria cunea

    3%高渗苯氧威防治美国白蛾药效筛选试验

  9. Study on Hyphantria cunea ( drury ) living through winter generation adult emergence and oviposition habits

    美国白蛾越冬代成虫羽化规律及产卵习性的研究

  10. Sustainable Effects for Hyphantria cunea Nuclear Polyhedrosis Virus on the Host Insects and the Diffusion Approach of the Virus

    美国白蛾核型多角体病毒传播途径及对寄主的持续作用

  11. Evaluation of Hyphantria cunea ( Drury ) ' Loss in China 's Epidemic Stricken Area in 2004

    2004年全国美国白蛾疫区的非经济损失评估

  12. Bionomics of Hyphantria cunea and control measures in Langfang

    廊坊地区美国白蛾生物学特性及防治措施

  13. Restriction endonuclease analysis of Hyphantria cunea NPV

    四种限制性内切酶对美国白蛾核型多角体病毒DNA酶解分析

  14. Trapping Hyphantria cunea with its sex pheromone can effectively monitor the occurrence and population density of adults , thus provide the exact control time for the next generation .

    利用美国白蛾性信息素诱捕美国白蛾可有效监测成虫发生期,调查成虫虫口密度,为防治下一代白蛾提供准确的防治时间。

  15. In this paper , Hebei Province , within the risk analysis of Hyphantria cunea , the occurrence of the forecast , the establishment of early warning system and early warning systems were studied .

    本文对河北省内美国白蛾的风险分析、发生情况预测、建立预警体系及预警系统方面进行了研究。

  16. Hyphantria cunea Drury is a exotic species and has invaded and spread to Liaoning , Hebei , Tianjin , Shandong , Shanxi and Shanghai .

    美国白蛾为外来入侵种,现已扩散蔓延到辽宁、河北、天津、山东、陕西、上海等省市。

  17. System of collection of geographical information systems , information transmission network in Hebei Province has carried out within the Hyphantria cunea colonization analysis , early warning monitoring the forecast , the function of dissemination of early warning information .

    系统集合地理信息系统,网络信息传输实现了对河北省内美国白蛾进行定殖分析、监测预测预警、发布预警信息的功能。

  18. Quarantine and monitoring procedures and techniques were described in accordance with characteristics and scale of Hyphantria Cunea ( Drury ) in terms of its occurrence , damage symptom , host , phases as well as its spread modes .

    本文依据美国白蛾发生、危害症状、寄主、虫态、特征、发生期、传播方式等方面的特点与规律,探讨了美国白蛾的监测检疫检验技术程序与方法。