山东省淄博市不同生境流行性乙型脑炎传播媒介蚊虫监测

中国媒介生物学及控制杂志 ›› 2011, Vol. 22 ›› Issue (6): 584-586.

山东省淄博市不同生境流行性乙型脑炎传播媒介蚊虫监测

景晓¹, 刘桂芳¹, 王敏¹, 林小娟¹, 石志凯², 王广营³, 司海霞⁴

1. 山东省疾病预防控制中心病媒生物防制所,山东济南250014;
2. 淄博市疾病预防控制中心;
3. 高青县疾病预防控制中心;
4. 淄川区疾病预防控制中心

收稿日期:2011-08-23 出版日期:2011-12-20 发布日期:2011-12-20
作者简介:景晓(1963-),男,硕士,主任医师,主要从事病媒生物防治工作。Email: jinggg-007@163.com
基金资助:
山东省自然科学基金(ZR2011HM033)

Monitoring of mosquito vectors of Japanese encephalitis in different habitats of Zibo, Shandong

JING Xiao¹, LIU Gui-fang¹, WANG Min¹, LIN Xiao-juan¹, SHI Zhi-kai², WANG Guang-ying³, SI Hai-xia⁴

1. Shandong Center for Disease Control and Prevention, Jinan 250014, Shandong Province, China;
2. Zibo Center for Disease Control and Prevention;
3. Gaoqing Center for Disease Control and Prevention;
4. Zichuan Center for Disease Control and Prevention

Received:2011-08-23 Online:2011-12-20 Published:2011-12-20

摘要/Abstract

摘要：

目的对淄博市的淄川区和高青县不同生境流行性乙型脑炎(乙脑)传播媒介蚊虫进行比较监测,调查当地突发乙脑病例的传播媒介蚊虫种类,为进一步防治乙脑提供依据。方法用人帐法、网捕法、灯诱法、人工小时法,分别在稻田、畜禽舍、住宅区3种不同生境采集蚊虫,分类计数,以50只为单位放入液氮罐中带回实验室进行病毒分离;记录当地温度、湿度、风速等环境气候因素。结果在3种生境中共捕获成蚊5属7种3116只,以稻田数量居多,占捕蚊总数的61.6%,畜禽舍次之,占24.1%,住宅区最少,占14.3%;三带喙库蚊、淡色库蚊是当地优势蚊种,分别占捕获总数的66.1%和19.1%。淄川区无稻田,淡色库蚊数量居多,占43.6%,三带喙库蚊次之,占34.0%。高青县以稻田为主,三带喙库蚊最多,占68.5%,淡色库蚊次之,占24.9%。人帐法捕获的蚊虫最多,占62.4%,灯诱法次之,占16.6%,人工小时法占14.6%,网捕法仅占6.4%。三带喙库蚊和淡色库蚊的叮刺高峰在日落后0.5～1 h达到活动高峰,持续约0～40 min,淡色库蚊的叮刺高峰迟20 min。结论三带喙库蚊可能是当地乙脑的主要传播媒介,在进行野外蚊虫种类和数量监测时,应以人帐法和灯诱法为主,辅以网捕法和人工小时法。

关键词: 流行性乙型脑炎, 传播媒介, 蚊虫, 生境, 监测

Abstract:

Objective To survey the species, distribution, habitat, behavior of vectors of Japanese encephalitis in Zichuan district and Gaoqing county of Zibo, Shandong. Methods The human baited net traps, mosquito nets, lamp baited traps and labor-hour Methods were employed to investigate the mosquito counts of three habitats-rice field, domestic fowls shed, and household. The environmental factors were documented. Fifty mosquitoes from each group were preserved in liquid-nitrogen jars for viral isolation under laboratory settings. Results Of the 3116 mosquitoes collected, 7 species of 5 genera were found. Most mosquitoes were captured from the rice field, followed by the domestic fowl shed and the household, accounting for 61.6%, 24.1% and 14.3% , respectively. Culex tritaeniorhynchus and Cx. pipiens pallens were dominant species, accounting for 66.1% and 19.1%, respectively. In Zichuan district where there were no rice fields, Cx. pipiens pallens was dominant (43.6%). In contrast, in Gaoqing county where rice field was common, Cx. tritaeniorhynchus was dominant (68.5%). Of the mosquitoes captured, 62.4% were by the human baited net traps, 16.6% by lamp baited traps, 14.6% by labor-hour methods, and only 6.4% by net traps. The peak of activity of Cx. tritaeniorhynchus and Cx. pipiens pallens occurred 0.5-1 h after sunset, while the latter showed obviously activity 20 min later than the former. Conclusion The probable main vector was Cx. tritaeniorhynchus. Human baited net trap and lamp baited trap could be most suitable for investigation and surveillance of mosquitoes in field, combined with the labor-hour and net catching approaches.

Key words: Japanese encephalitis, Vector, Mosquito, Habitat, Monitoring

中图分类号:

景晓, 刘桂芳, 王敏, 林小娟, 石志凯, 王广营, 司海霞. 山东省淄博市不同生境流行性乙型脑炎传播媒介蚊虫监测[J]. 中国媒介生物学及控制杂志, 2011, 22(6): 584-586.

JING Xiao, LIU Gui-fang, WANG Min, LIN Xiao-juan, SHI Zhi-kai, WANG Guang-ying, SI Hai-xia. Monitoring of mosquito vectors of Japanese encephalitis in different habitats of Zibo, Shandong[J]. Chines Journal of Vector Biology and Control, 2011, 22(6): 584-586.

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