2017—2022年长沙市淡色/致倦库蚊监测结果分析

doi:10.11853/j.issn.1003.8280.2024.05.005

摘要/Abstract

摘要： 目的分析长沙市2017—2022年淡色/致倦库蚊的季节消长趋势及在不同生境的分布规律,为长沙市淡色/致倦库蚊的防制和蚊媒传染病的控制提供科学依据。方法按照《全国病媒生物监测实施方案》,每年的4—11月,使用诱蚊灯法选择城镇居民区、公园、医院、民房、猪圈开展监测,获取淡色/致倦库蚊,对其种群密度、季节消长、生境分布进行分析。采取完全随机设计方差分析对不同年份的蚊密度进行分析,采取两因素析因设计方差分析对不同月份、不同生境的蚊虫密度进行分析。结果 2017—2022年长沙市淡色/致倦库蚊蚊虫平均蚊密度为17.83只/（灯·夜）。全年蚊密度季节消长趋势呈双峰分布,5—6月和9月为密度高峰。不同月份蚊密度差异有统计学意义（F=15.921,P<0.001）,5月和6月蚊密度最高,分别为38.92和40.42只/（灯·夜）；不同生境的蚊密度差异有统计学意义（F=36.014,P<0.001）,猪圈和民房蚊密度最高,分别为40.06和30.23只/（灯·夜）；“月份”与“生境”之间存在交互效应（F=5.563,P<0.001）。结论长沙市淡色/致倦库蚊活动高峰在5月和6月,猪圈和民房蚊密度高,建议应根据生境和季节制定相应的防制方案,应重点加强农村地区5月和6月的蚊虫防制。

关键词: 淡色库蚊, 致倦库蚊, 蚊密度, 月份, 生境。

Abstract: Objective To analyze the seasonal fluctuation and distribution in different habitats of Culex pipiens pallens/quinquefasciatus in Changsha, Hunan Province, China from 2017 to 2022, so as to provide a scientific basis for the control of Cx. pipiens pallens/quinquefasciatus and mosquito-borne infectious diseases in Changsha. Methods According to the National Vector Surveillance Program, Cx. pipiens pallens/quinquefasciatus mosquitoes were obtained using the light trap method in urban residential areas, parks, hospitals, residential houses, and pig pens from April to November of 2017 to 2022. The mosquito population density, seasonal fluctuation, and distribution were analyzed. The mosquito density of different years was compared through analysis of variance (ANOVA) with a completely randomized design, and mosquito density in different months and different habitats was analyzed by two-way ANOVA. Results The mean annual density of Cx. pipiens pallens/quinquefasciatus in Changsha from 2017 to 2022 was 17.83 mosquitoes/light·night. Throughout a year,mosquito density showed a bimodal distribution,peaking in May-June and September. Density differed significantly in different months (F=15.921, P<0.001),which was highest in May (38.92 mosquitoes/light·night) and June (40.42 mosquitoes/light·night). The mosquito densities of different habitats were also significantly different (F=36.014,P<0.001),with the highest levels in pig pens (40.06 mosquitoes/light·night) and residential houses (30.23 mosquitoes/light·night). There was interaction between "month" and "habitat" (F=5.563, P<0.001). Conclusions The peak activeity of Cx. pipiens pallens/quinquefasciatus is in May and June, and the density in pig pens and residential house is high. Specific control programs should be development depending on habitat and season, and mosquito control should be strengthened in rural areas in May and June.

Key words: Culex pipiens pallens, Culex pipiens quinquefasciatus, Mosquito density, Month, Habitat

中图分类号:

林斌, 陈建勇, 彭莱, 朱彩英, 肖珊. 2017—2022年长沙市淡色/致倦库蚊监测结果分析[J]. 中国媒介生物学及控制杂志, 2024, 35(5): 538-542.

LIN Bin, CHEN Jian-yong, PENG Lai, ZHU Cai-ying, XIAO Shan. An analysis of surveillance results of Culex pipiens pallens/quinquefasciatus in Changsha,Hunan Province,China,2017-2022[J]. Chinese Journal of Vector Biology and Control, 2024, 35(5): 538-542.

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