ISSN 1003-8280 CN 10-1522/R 中国疾病预防控制中心 主办
Chinese Journal of Vector Biology and Control >
Resistance of Culex pipiens quinquefasciatus larvae to commonly used insecticides in Panzhihua city, Sichuan
Received date: 2015-11-02
Online published: 2016-02-20
Objective To investigate the resistance of Culex pipiens quinquefasciatus larvae to six insecticides and direct future application of insecticides. Methods Mosquito larvae were collected in 2014 from 5 counties (districts) of Panzhihua city, and tested by WHO recommended larval dipping method for medium lethal concentration. Results Culex pipiens quinquefasciatus larvae collected from Panzhihua city were susceptible to fenobucarb (R/S<1), but showed various degrees of resistance to cypermethrin, permethrin and deltamethrin. The resistance ratio of Cx. pipiens quinquefasciatus larvae was 75.00 fold to beta cypermethrin, 12.40 fold to permethrin 2.50 fold to deltamethrin. Slight tolerance was indicated to temephos and DDVP where resistance ratios were 1.67 and 1.65 respectively. Conclusion It was necessary to apply integrated measures and use insecticides strategically in controlling mosquitoes.
CHEN Zu-hua, PAN Hong-yu, TANG Gang, HUANG Jin, HUANG Xing-hui, SHEN Lai-hong, YAN Shu-li, LIU Yu . Resistance of Culex pipiens quinquefasciatus larvae to commonly used insecticides in Panzhihua city, Sichuan[J]. Chinese Journal of Vector Biology and Control, 2016 , 27(1) : 77 -79 . DOI: 10.11853/j.issn.1003.4692.2016.01.025
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