Efficacy of extracts from Artemisia lactiflora Wall. Ex DC., Eaeis guineensis Jacq. and Cassia alata (L.) Roxb. in killing larvae and repelling Aedes aegypti mosquitoes.

Abstract

The prevention and control of Aedes mosquitoes mainly uses chemicals. As a result, resistance to chemical insecticides in both larvae and adult mosquitoes will be possible in the future. In order to reduce the use of such insecticides. Therefore, it is necessary to study for other alternatives to replace it. The purpose of this research was to study the killing activity of Aedes aegypti larvae and its repellent effective. Jingchu Chai, oil palm stamens and Candle Bush  extractances of 1, 5, 10 and 20 percent (v/v), concentrations, respectively. From the study on the killing effect of Aedes aegypti larvae, it was found 100% mortality in every concentration of Jingchu chai extractances. A 100% mortality rate. A 100% mortality was found at 5, 10 and 20 percent (v/v) concentrations. Of oil palm stamens and Candle bush. Form the study of the repellent effective of the adult house mosquito, it was found that Candle bush and Jingchu chai extract was the most effective in repelling Aedes aegypti of 10% and 20% concentrations at 38-65% and 20-27% respectively oil palm stamen extract was not mosquito repellent effect. There should be further study of the extracts from the Jing Ju Chai in terms of their killing effect on other mosquito larvae. For oil palm stamens, it can be seen that the extract has no effect in repelling mosquitoes at all. But should study the effect of attracting mosquitoes. to be developed as a bait for mosquitoes to carry disease in the future.