Synergist efficacy of piperonyl butoxide with deltamethrin as pyrethroid insecticide on culex tritaeniorhynchus (diptera: culicidae) and other mosquitoe species

Fakoorziba, M. R. and Eghbal, F. and Vijayan, V. A. (2009) Synergist efficacy of piperonyl butoxide with deltamethrin as pyrethroid insecticide on culex tritaeniorhynchus (diptera: culicidae) and other mosquitoe species. Environmental Toxicology, 24 (1). pp. 19-24. ISSN 1522-7278

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Official URL: http://doi.org/10.1002/tox.20386

Abstract

Continuous and indiscriminate use of pesticides, especially in tropical countries for public health or agriculture purpose, has led many vector populations to become resistant to organochlorides, organophosphates, and even to carbamates and pyrethroids. Development of resistance by a vector population has been one of the reasons for the failure of the control measures in many countries. This investigation demonstrates the efficacy of piperonyl-butoxide (PBO) with deltamethrin, as pyrethroid insecticide, against the field-collected mosquitoe larvae of five species, Aedes aegypti, Anopheles culicifacies, An. stephensi, An. vagus, and Culex quinqufasciatus, and two morphological variants of Cx. tritaeniorhynchus (type A from grand pools of Mysore city and type B from rice fields of Mandya district). For testing the synergistic effect of 13130, stock solutions of deltamethrin and PBO were mixed in 1:6 ratio. The synergistic ratio and the percent suppression in deltamethrin tolerance were calculated by using LC50 values. From the results, it is clear that, PBO is an effective synergist with deltamethrin against all of species undertaken in this investigation. So, it is suggested that PBO is a good synergist in this area for decreasing the use of pesticides in environment in vector control. (C) 2008 Wiley Periodicals, Inc. Environ Toxicol 24: 19 24, 2009.

Item Type: Article
Uncontrolled Keywords: synergist; piperonyl butoxide; mosquitoes; deltamethrin; pyrethroid; Mysore
Subjects: B Life Science > Zoology
Divisions: Department of > Zoology
Depositing User: Shrirekha N
Date Deposited: 28 Aug 2019 08:01
Last Modified: 28 Aug 2019 08:01
URI: http://eprints.uni-mysore.ac.in/id/eprint/7236

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