Symptoms of pyrethroid resistance in Anopheles stephensi

با توجه به تست هایی که در سال ۱۳۹۰ بر روی آنوفل استفنسی جمع آوری شده از شهرستان چابهار انجام شد این آنوفل نسبت به پایرتروئیدهای مختلف بین ۵۲ تا ۹۲ درصد مرگ و میر داشته است. خلاصه مقاله منتشر شده را تحت عنوان زیر می توانید در Pubmed جستجو نمایید.

Asian Pac J Trop Med. 2012 Sep;5(9):722-6.
Indication of pyrethroid resistance in the main malaria vector, Anopheles stephensi from Iran.
Vatandoost H, Hanafi-Bojd AA.
Abstract
OBJECTIVE: To investiagte insecticide resistance in target species for better insecticide resistance managemnet in malaria control programs.
METHODS: The status of insecticide resistance to different imagicides in Anopheles stephensi (An. stephensi) including DDT 4%, lambdacyhalothrin 0.50%, deltamethrin 0.05%, permethrin 0.75%, cyfluthrin 0.15% and etofenprox 0.50% was performed according to WHO standard method.
RESULTS: The mortality rate to lambdacyhalothrin, permethrin, cyfluthrin, deltamethrin, etofenprox and DDT was (88.0±3.2), (92.0±2.7), (52.0±5.0), (96.0±2.2), (90.0±3.0) and (41.0±5.7) percent, respectively at diagnostic dose for one hour exposure time followed by 24 h recovery period.
CONCLUSIONS: These results showed first indication of pyrethroid resistance in An. stephensi in a malarious area, from southern Iran. There is widespread, multiple resistances in the country in An. stephensi to organochlorine and some report of tolerance to organophosphate insecticides and recently to pyrethroids. However, results of this paper will provide a clue for monitoring and mapping of insecticide resistance in the main malaria vector for implementation of any vector control.

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