中国媒介生物学及控制杂志 ›› 2010, Vol. 21 ›› Issue (5): 494-495.

• 调查研究 • 上一篇    下一篇

宁波城区淡色库蚊对常见杀虫剂的敏感性

白勇,徐荣,任建新   

  1. 宁波市疾病预防控制中心消毒与媒介生物防制所(浙江宁波315010)
  • 收稿日期:2010-03-25 出版日期:2010-10-20 发布日期:2010-10-20
  • 作者简介:白勇(1961-),男,主任技师,所长,从事媒介生物防制研究。Email: baiy@nbcdc.org.cn

Resistance of Culex pipiens pallens to common insecticides in Ningbo city

BAI Yong, XU Rong, REN Jian-xin   

  1. Ningbo Center for Disease Control and Prevention, Ningbo 315010, Zhejiang Province, Chin
  • Received:2010-03-25 Online:2010-10-20 Published:2010-10-20

摘要:

目的 在宁波城区测定淡色库蚊对常用杀虫剂的敏感性,为更好地选用卫生杀虫剂提供科学依据。方法 采用浸渍测试法,计算LC50结果 淡色库蚊对氯菊酯、溴氰菊酯、高效氯氰菊酯的抗性指数为2.00~5.09倍,对敌敌畏、残杀威的抗性指数分别为1.11~2.04倍和1.36~2.88倍。保世洁生物扩散剂对幼虫的抗性指数为1.28倍。安备1%颗粒剂对幼虫和蛹的抗性指数分别为1.19倍和1.37倍。5%飞彪杀虫颗粒剂对幼虫和蛹的抗性指数分别为1.64倍和1.07倍。结论 宁波城区淡色库蚊对氯菊酯、溴氰菊酯、高效氯氰菊酯为低抗性,对敌敌畏、残杀威仍敏感。保世洁生物扩散剂、安备1%颗粒剂、5%飞彪杀虫颗粒剂杀灭幼虫效果较好,安备1%颗粒剂、保世洁生物扩散剂杀灭蚊蛹效果不理想。今后应加强抗性监测,科学合理用药。

关键词: 淡色库蚊, 抗药性, 药效

Abstract:

Objective To determine the susceptibility of Culex pipiens pallens to commonly used insecticides in urban areas of Ningbo city, providing the basis for better administration of pesticidal agents. Methods LC50 was calculated using the impregnation method. Results The resistance indices of Cx. pipiens pallens were between 2.00 to 5.09 times in regard to permethrin, deltamethrin and beta-cypermethrin, and up to 1.11 to 2.04 and 1.36 to 2.88 times against dichlorvos and propoxur, respectively. The resistance index of Baoshijie pesticide diffusing agents against the larvae was up to 1.28 times, and the resistance indices of Abate 1% granules against the larvae and pupae were 1.19 and 1.37 times, respectively; for Feibiao 5% insecticidal granules, these indices were 1.64 and 1.07 times, respectively. Conclusion Cx. pipiens pallens mosquitoes were lowly resistant to permethrin, deltamethrin and beta-cypermethrin, yet sensitive to dichlorvos and propoxur in urban areas of Ningbo city. Baoshijie pesticide diffusing agents, Abate 1% granules and Feibiao 5% insecticidal granules were effective in larval control, though the first two were not as powerful against pupae. Monitoring of resistance in mosquitoes should be further strengthened for scientific, proper application of pesticides in future.

Key words: Culex pipiens pallens, Insecticide resistance, Efficacy

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