褐尾库蚊捕食白纹伊蚊的初步观察

doi:10.11853/j.issn.1003.4692.2015.01.013

中国媒介生物学及控制杂志 ›› 2015, Vol. 26 ›› Issue (1): 51-54.DOI: 10.11853/j.issn.1003.4692.2015.01.013

褐尾库蚊捕食白纹伊蚊的初步观察

黄晓¹, 李超², 李军¹, 贺莉萍¹, 严波², 龚小芳², 刘燕芳², 李昌廉², 吴红卫³, 曾晓军³

1. 湘南学院预防医学研究所, 湖南郴州423000;
2. 湘南学院2009级预防医学1班;
3. 郴州市疾病预防控制中心

收稿日期:2014-07-28 出版日期:2015-02-20 发布日期:2015-02-20
通讯作者: 李军,Email: lijun5006@126.com
作者简介:黄晓,女,硕士,副教授,主要从事疾病预防控制工作,Email: huangxiao98@sina.com
基金资助:
湖南省重点学科建设项目资助(湘教发[2011]76号);2010年湖南省大学生研究性学习和创新性实验计划项目(360)

Preliminary observation on predation of Aedes albopictus by Culex fuscanus

HUANG Xiao¹, LI Chao², LI Jun¹, HE Li-ping¹, YAN Bo², GONG Xiao-fang², LIU Yan-fang², LI Chang-lian², WU Hong-wei³, ZENG Xiao-jun³

1. Institute of Preventive Medicine, Xiangnan University, Chenzhou 423000, Hunan Province, China;
2. Preventive medicine of Classes 1, year 2009, Xiangnan University;
3. Chenzhou Center for Disease Control and Prevention

Received:2014-07-28 Online:2015-02-20 Published:2015-02-20
Supported by:
Supported by the Construct Program of the Key Discipline in Hunan Province(No.[2011]76)and Hunan Province Undergraduate Innovative Training Program in 2010(No. 360)

摘要/Abstract

摘要：

目的观察褐尾库蚊对白纹伊蚊的捕食能力及影响因素。方法采集自然环境下的褐尾库蚊和白纹伊蚊幼虫,观察白纹伊蚊幼虫密度、褐尾库蚊幼虫自身密度与其捕食白纹伊蚊的关系;观察被褐尾库蚊孳生的水体及温度对白纹伊蚊的影响。结果在一定的猎物密度范围内〔猎物密度25条白纹伊蚊幼虫/(褐尾库蚊幼虫·d)以内〕,褐尾库蚊幼虫的日捕食量和白纹伊蚊幼虫密度呈正相关(R=0.942,P<0.01),根据Holling圆盘方程算出捕食上限为55.86条。猎物密度一定时,褐尾库蚊幼虫的日捕食量和自身密度呈负相关(R=-0.943,P<0.01)。褐尾库蚊幼虫可通过改变水质降低白纹伊蚊幼虫存活率(χ²=8.661,P=0.002)。褐尾库蚊幼虫和白纹伊蚊幼虫对高温的耐受能力差异有统计学意义(t=7.365,P<0.01)。结论褐尾库蚊对于白纹伊蚊的生物防治能力受温度、白纹伊蚊密度和褐尾库蚊密度等影响,其实际生物防治能力需要通过进一步实验来评价其生物防治的实际效果。利用褐尾库蚊捕食白纹伊蚊可作为生物防制的一种尝试。

关键词: 褐尾库蚊, 捕食, 白纹伊蚊, 幼虫

Abstract:

Objective To study the predatory capacity of Culex fuscanus on Aedes albopictus and the relevant influencing factors. Methods Culex fuscanus and Ae. albopictus larvae were collected in the field. Densities of Cx. fuscanus and Ae. albopictus larvae were recorded and the relationship between densities and the predatory capacity of Cx. fuscanus was studied. The surviving status of Ae. albopictus at different temperature and in water inhabited by Cx. fuscanus was investigated. Results When the density of prey fell in a certain range [under 25 Ae. albopictus larvae/(Cx. fuscanus larva·d)], the daily predation by Cx. fuscanus larvae was positively correlated with the density of Ae. albopictus (R=0.942, P<0.01), and the highest number of caught Ae. albopictus larvae was 55.86, as calculated by the Holling's disc equation. When the density of prey remained consistent, the daily predation by Cx. fuscanus larvae was negatively correlated with the density of its own (R=-0.943, P<0.01). Cx. fuscanus larvae could change the quality of water to reduce the survival rate of Ae. albopictus larvae (χ²=8.661, P=0.002). Significant difference in high temperature tolerance was observed between Ae. albopictus and Ae. albopictus larvae (t=7.365, P<0.01). Conclusion The biological control capability of Cx. fuscanus on Ae. albopictus is affected by many factors including temperature and densities of Ae. albopictus and Cx. fuscanus. Further studies are needed to evaluate the actual field efficacy of biological control. Predation of Ae. albopictus by Cx. fuscanus can be used as an attempt of biological control.

Key words: Culex fuscanus, Predation, Aedes albopictus, Larva

中图分类号:

R384.1

黄晓, 李超, 李军, 贺莉萍, 严波, 龚小芳, 刘燕芳, 李昌廉, 吴红卫, 曾晓军. 褐尾库蚊捕食白纹伊蚊的初步观察[J]. 中国媒介生物学及控制杂志, 2015, 26(1): 51-54.

HUANG Xiao, LI Chao, LI Jun, HE Li-ping, YAN Bo, GONG Xiao-fang, LIU Yan-fang, LI Chang-lian, WU Hong-wei, ZENG Xiao-jun. Preliminary observation on predation of Aedes albopictus by Culex fuscanus[J]. Chines Journal of Vector Biology and Control, 2015, 26(1): 51-54.

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褐尾库蚊捕食白纹伊蚊的初步观察

Preliminary observation on predation of Aedes albopictus by Culex fuscanus

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