The Resistance status of Anopheles spp strain high plateau area in Kaligesing Purworejo District- Indonesia against lambdacyhalothrin
M. Ari Wuryanto1*, Shella Intania1 , Ari Udiyono1, Martini1
1Department of Epidemiology, University of Diponegoro, Indonesia
Abstract
Background: Kaligesing sub district is a malaria endemic area which Annual Parasite Incidence (API) was not reach the National target (2,07%). That problem was caused the increase of chemical vector control in long time could be affected to the mosquitoes- resistance. Purpose: The aim of this study was to know the resistance status of Anopheles spp to Lambdacyhalothrin 0,05% insecticide in Kaligesing Purworejo district. Methods: The design of this study was an experiment, using static group comparison design. The number of samples was 150 mosquitoes, for 4 treatment and 2 control. To know the use of bed net by residence of the village, we did interviewing 100 respondents in six malaria endemic villages. The data was collected by laboratory experiment and survey using questionnaires. Data analyzed by descriptive statistic. Result : The study showed that Anopheles spp were resistant to Lambdacyhalothrin 0,05% with an average of knock down on 60 minutes exposure with four times repetition were 20 mosquitoes (80%). The death average in 24 hours post holding were 17,5 (70%). The results of interviews with 100 respondents showed that 61% of respondents using insecticide-treated bed nets, 30% of respondents using mosquito repellent, and 70% of respondents homes had been carried out by the IRS. Conclusion: Anopheles spp in Kaligesing Purworejo have already had resistant status to Lambdasyhalothrin. This study recommends to health district should do the monitoring and evaluation periodically related to controls and rotation of pesticide use
Keywords: Anopheles spp, Lambdacyhalothrin, Sipermethrin, impregmated paper, mosquitoe
Topic: Communicable and Non Communicable Diseases