Investigations of mosquito distribution and habitats in Chuxiong prefecture of central area of Yunnan province

doi:10.11853/j.issn.1003.8280.2017.02.013

Abstract

Abstract:

Objective To investigate mosquito composition,distribution and habitats in Chuxiong prefecture of Yunnan province and provide evidences to prevent local arboviral infectious diseases. Methods Three counties were choosen and then two natural villages in each county were selected randomly from July to August in 2014. Adult mosquitoes were collected by overnight trapping with light trap and double-bednets. Larvaes were collected in different breeding sites around villages. Results A total of 12 711 adult mosquitoes from 23 species of 6 genera in 2 subfamily were collected. Among them, 12 384 adult mosquitoes from 15 species in 4 genera were collected by overnight trapping with light trap and the maximal amount species were Culex tritaeniorhynchus (59.95%). The average population density of adults mosquitoes were 344.00 of each light trap with overnight trap. Besides, a total of 327 individuals were collected from 11 species in 4 genera by double-bednets, of those Aedes albopictus as dengue vector were local predominant species (19.88%). The average population density of adult mosquitoes was 5.90 per labor hour by double-bednets. A total of 8 586 larvae were collected from 22 species of 6 genera in 2 subfamilies, of those Cx. tritaeniorhynchus was the most (27.50%). Conclusion The species richness was high in 3 counties of Chuxiong prefecture and different mosquito species with different habitats. The predominant species were Cx. tritaeniorhynchus. Other four species including Cx. pipiens quinguefasciatus, Anopheles sinensis, An. minimus, and Ae. albopictus were sub-dominant species. Afore mentioned five mosquitoes specises are wild spread with large populations and deserve our attentions.

Key words: Mosquito, Composition, Ditribution, Breeding habit, Chuxiong prefecture

摘要：

目的通过现场调查云南省中部楚雄州的蚊虫组成、分布及孳生习性，为当地虫媒生态研究和防控提供参考。方法 2014年7－8月在楚雄州整层随机抽样3个县6个调查点，采用诱蚊灯通宵捕蚊法和白天双层叠帐人诱法捕获成蚊，并在各孳生地捞捕蚊幼虫。结果共捕获成蚊2亚科6属23种12 711只，其中诱蚊灯法捕获2亚科4属15种12 384只，三带喙库蚊数量最多，占捕获总数的59.95%，平均蚊密度为344.00只/（灯·夜）；双层叠帐人诱法捕获1亚科4属11种327只，白纹伊蚊数量最多，占捕获总数的19.88%，平均蚊密度为5.90只/人工小时。捕捞到4龄蚊幼虫2亚科6属22种8 586条，三带喙库蚊数量最多，占捕获总数的27.50%。结论楚雄州蚊种丰富度高，优势蚊种为三带喙库蚊，其次为中华按蚊、致倦库蚊、微小按蚊和白纹伊蚊；这5种蚊虫密度高、分布广，应引起重视。

关键词: 蚊虫, 组成, 分布, 孳生习性, 楚雄州

CLC Number:

R384.1

WANG Jian, DONG Xue-shu, BAO Jian-zhong, ZHOU Hong-ning, SUN Xiao-dong, LIN Zu-rui. Investigations of mosquito distribution and habitats in Chuxiong prefecture of central area of Yunnan province[J]. Chines Journal of Vector Biology and Control, 2017, 28(2): 148-151.

王剑, 董学书, 鲍建忠, 周红宁, 孙晓东, 林祖锐. 云南省中部楚雄州蚊虫种群分布及孳生习性调查[J]. 中国媒介生物学及控制杂志, 2017, 28(2): 148-151.

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