中国媒介生物学及控制杂志 ›› 2012, Vol. 23 ›› Issue (1): 32-34,38.

• 论著 • 上一篇    下一篇

江苏省2008-2009年疟疾媒介按蚊监测结果分析

李菊林1, 高琪1, 周华云1, 曹俊1, 朱国鼎1, 王伟明1, 顾亚萍1, 刘耀宝1, 袁守国2, 佘桂芝3, 唐月娥4   

  1. 1. 江苏省寄生虫病防治研究所,卫生部寄生虫病预防与控制技术重点实验室,江苏无锡 214064;
    2. 盱眙县疾病预防控制中心;
    3. 泗洪县疾病预防控制中心;
    4. 睢宁县疾病预防控制中心
  • 收稿日期:2011-10-19 出版日期:2012-02-20 发布日期:2012-02-20
  • 通讯作者: 高琪,Email: gaoqi54@hotmail.com
  • 作者简介:李菊林(1966-),男,副主任医师,从事疟疾防治与研究。Email: lijulin301@163.com
  • 基金资助:

    第五轮中国全球基金疟疾项目(CHN-506-G07-M)

Analysis of Anopheles prevalence in Jiangsu province, 2008-2009

LI Ju-lin1, GAO Qi1, ZHOU Hua-yun1, CAO Jun1, ZHU Guo-ding1, WANG Wei-ming1, GU Ya-ping1, LIU Yao-bao1, YUAN Shou-guo2, SHE Gui-zhi3, TANG Yue-e4   

  1. 1. Jiangsu Institute of Parasitic Diseases, Key Laboratory on Technology for Parasitic Disease Prevention and Control, Ministtry of Health, Wuxi 214064, Jiangsu Province, China;
    2. Xuyu Center for Disease Control and Prevention;
    3. Sihong Center for Disease Control and Prevention;
    4. Suining Center for Disease Control and Prevention
  • Received:2011-10-19 Online:2012-02-20 Published:2012-02-20
  • Supported by:

    Supported by the Global Fund for Malaria Program Round Five(No. CHN-506-G07-M)

摘要:

目的 了解江苏省疟区中华按蚊种群数量、密度的发展变化趋势和对杀虫剂的敏感性。方法 在疟疾流行季节,采用人饵诱捕法、猪舍捕蚊法和WHO推荐的接触筒强迫接触法,观察接触10、15、20、30、40、50、60 min时蚊虫对杀虫剂的击倒率和24 h时死亡率。结果 2008年6月下旬至10月上旬半通宵帐内人饵共捕获按蚊322只,经鉴定均为中华按蚊,平均叮人率为1.61只/(人·h);猪舍内共捕获按蚊886只,经鉴定均为中华按蚊,平均密度为147.66只/人工小时;中华按蚊对溴氰菊酯已达到抗性(R)水平;对氟氯氰菊酯为初步抗性(M)水平。2009年6月下旬至10月上旬半通宵帐内人饵共捕获按蚊349只,经鉴定均为中华按蚊,平均叮人率为1.25只/(人·h);猪舍内共捕获按蚊652只,经鉴定也均为中华按蚊,平均密度为108.67只/人工小时。中华按蚊对溴氰菊酯抗性为R级水平;对马拉硫磷抗性也为R级水平。结论 江苏省部分疟区中华按蚊已对溴氰菊酯产生抗性,对氟氯氰菊酯已产生初步抗性。今后,在采用杀虫剂浸泡蚊帐或室内滞留喷洒等方法对暴发点或疫情不稳定地区进行处理时,应选择适合的杀虫剂,以达到防制效果;同时为控制疟疾发病,应加强对当地居民的健康教育,提高防蚊意识,减少人蚊接触机会。

关键词: 媒介监测, 中华按蚊, 叮人率, 杀虫剂, 敏感性

Abstract:

Objective To identify Anopheles sinensis population density, growth trends and insecticide sensitivity. Methods Anopheles mosquitoes were collected by human landing catch and collecting mosquitoes inside cowsheds during endemic season. The WHO insecticide-susceptibility test was used. The rate of knockdown was calculated after 10, 15, 20, 30, 40, 50, 60 minutes after exposure. The mortality was scored 24 hours after exposure. Results From late June to early October in 2008, 322 An. sinensis were collected by human landing catch in bed nets semi-overnight. The biting rate was 1.61 bites per person per hour. A total of 886 An. sinensis were captured in cowsheds. The density was 147.66 mosquitoes per person per hour. The resistance of An. sinensis to deltamethrin and cyfluthrin were levels R and M, respectively. From late June to early October in 2009, 349 An. sinensis were caught in bed nets semi-overnight. The biting rate was 1.25 bites per person per hour. With 652 An. sinensis collected, the density was 108.67 mosquitoes per person per hour. The resistance of An. sinensis to deltamethrin and malathion were levels R and R, respectively. Conclusion An. sinesis is resistant to deltamethrin and initially resistance to cyfluthrin in Jiangsu province. The applied insecticide should be chosen when there is outbreak of malaria by using insecticide treated nets (ITNs) and indoor spraying of insecticide. Health education should be introduced to local people to improve protection from mosquitoes and minimize contact with mosquitoes.

Key words: Vector surveillance, Anopheles sinensis, Bite rate, Insecticide, Sensibility

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