mapping and susceptibility of aedes aegypti to alpha-cypermethrin and malathion in magetan regency, east java, indonesia

Dengue fever remains a health issue in indonesia, especially in magetan regency. management of dengue disease is still aimed at controlling aedes aegypti using malathion and alpha-cypermethrin. in magetan regency, there has been no report regarding the vulnerability status of aedes mosquitoes to insecticides or mapping of the susceptibility status of aedes to these insecticides. the aim of this study is to determine the distribution map of dengue cases and the susceptibility status of aedes to malathion and alfa-cypermethrin in four working areas of community health centers in magetan district, namely candirejo, taji, plaosan, and ngujung. the arcgis application allows for the display of data in both table and map formats. this research uses an observation method with a cross-sectional study. test sample collection was carried out in 400 houses in 4 work areas of community health centers with dengue fever problems in magetan district, which were selected purposefully. the eggs and larvae obtained are kept in the laboratory. based on the results, the population of aedes in four health center areas showed resistance to malathion, with mortality rates of 25% in ngujung, 52.5% in plaosan, 48.33% in candirejo, and 79.16% in taji. meanwhile, susceptibility to alpha-cypermethrin showed resistance in candirejo and plaosan, with mortality rates of 74.16% and 41.66%, respectively, and tolerance in taji and ngujung, with mortality rates of 87.5% and 93.33%, respectively. it can be concluded that resistance has occurred against organophosphate and pyrethroid insecticides.