THE EXCITO-REPELLENCY EFFECT OF PYRETHROID INSECTICIDE-TREATED BEDNETS ON AN STEPHENSI UNDER LABORATORY CONDITION

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ALIPOUR H.; LADONI H.; ABAEI M.R.; FOROUZANI A.; MOUMEN BELAFARD M.J.

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Journal: Iranian South Medical Journal Year:2006 | Volume:8 | Issue:2 Page(s): 119-125

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Title

THE EXCITO-REPELLENCY EFFECT OF PYRETHROID INSECTICIDE-TREATED BEDNETS ON AN STEPHENSI UNDER LABORATORY CONDITION

Author(s)

Keywords

INSECTICIDESQ3

PYRETHROIDQ4

BEDNETSQ4

AN.STEPHENSIQ3

Abstract

Background: The excito-repellency effect due to the application of some INSECTICIDES is important in interrupting the malaria transmission cycle. The repellency effect of some INSECTICIDES also inhibits the entry of mosquitoes into sprayed houses, which in long-term causes alteration in endophilic and exophilic rates. Methods: In this study, a modified excito-repellency (E-R) test box was used. In order to standardize this system, a number of methods and techniques were considered to evaluate the mosquitoes' reaction to PYRETHROID-impregnated nets. A cylindrical guinea- pig holder made up of aluminum mesh was placed within the exposure chamber. Treated and untreated nets covered this holder so that the guinea pig was available to mosquito for bloodfeeding. An exit trap was devised on the rear side of the exposure chamber. Nets were impregnated with lambdacyhalothrin insecticide at the concentrations of 12.5,25 and 50 mg/m2, deltarnethrin at 12.5, 25 and 50 mg/m2 and cyfluthrin at 40, 80 and 100 mg/m2 or unimpregnated in laboratory by standard dipping procedure. The blood feeding rate, exit rate, survival rate, mortality rate and recovery rate of mosquitoes were considered. Results: The results obtained using one-way analysis of variance (ANOVA) reflects a significant difference in excito-repellency of tested INSECTICIDES (p<0.05). The blood feeding rate of exposed mosquitoes to nets treated with lambdacyhalothrin, deltamethrin and cyfluthrin at standard dose of 25 mg/m2 were 15%, 5.3%and 9.3% respectively; the exit rates were also 18.2%, 11.2% and 19.7%, and it was 98.9 % in the control group. The survival rate of mosquitoes was 63.2%, 34.9% and 67%, respectively. The bloodfeeding and exit rates for control group were 41.3% and 1.4%, respectively. Conclusion: The excito-repellency evaluation revealed that the deltarnethrin-impregnated net was more effective on An. stephensi than lambdacyhalothrin and cyfluthrin INSECTICIDES, under laboratory conditions.

Cites

COMPARATIVE EVAFUATION OF PERSISTENCE AND RESIDUE OF DELTAMETHRIN AND CYFFUTHRIN ON DIFFERENT SURFACES AT IRANSHAR AREA IN SISTANE & BALUCHESTAN PROVINCE IN IRAN; 2004-2005

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APA: Copy

ALIPOUR, H., LADONI, H., ABAEI, M.R., FOROUZANI, A., & MOUMEN BELAFARD, M.J.. (2006). THE EXCITO-REPELLENCY EFFECT OF PYRETHROID INSECTICIDE-TREATED BEDNETS ON AN STEPHENSI UNDER LABORATORY CONDITION. IRANIAN SOUTH MEDICAL JOURNAL (ISMJ), 8(2), 119-125. SID. https://sid.ir/paper/34053/en

Vancouver: Copy

ALIPOUR H., LADONI H., ABAEI M.R., FOROUZANI A., MOUMEN BELAFARD M.J.. THE EXCITO-REPELLENCY EFFECT OF PYRETHROID INSECTICIDE-TREATED BEDNETS ON AN STEPHENSI UNDER LABORATORY CONDITION. IRANIAN SOUTH MEDICAL JOURNAL (ISMJ)[Internet]. 2006;8(2):119-125. Available from: https://sid.ir/paper/34053/en

IEEE: Copy

H. ALIPOUR, H. LADONI, M.R. ABAEI, A. FOROUZANI, and M.J. MOUMEN BELAFARD, “THE EXCITO-REPELLENCY EFFECT OF PYRETHROID INSECTICIDE-TREATED BEDNETS ON AN STEPHENSI UNDER LABORATORY CONDITION,” IRANIAN SOUTH MEDICAL JOURNAL (ISMJ), vol. 8, no. 2, pp. 119–125, 2006, [Online]. Available: https://sid.ir/paper/34053/en

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