Lethal concentration (LC50, 90, and 98) and lethal time (LT50, 90, and 98) at various temephos concentrations of Aedes aegypti L. larvae

Abstract

Aedes aegypti mosquito is a vector of dengue which is still a public health problem in Indonesia. Temefos is the most common larvae used to control Ae. Aegypti. The study aimed to determine the lethal concentration (LC50, 90, and 98) and lethal time (LT50, 90, and 98) so that the temephos concentration and time can be known in controlling the Ae. Aegypti larvae. This research method is an experiment according to the WHO standard on Ae. aegypti larvae as many as 25 individuals each treatment using temephos insecticide with a concentration of 0.003 mg/L, 0.006 mg/L, 0.012 mg/L and 0.025 mg/L. The results of the study is LC50, LC90 and LC98 respectively were 0.008 mg/L; 0.015 mg/L and 0.018 mg/L. Furthermore, LT50, LT90 and LT98 respectively were 34.808 hours; 57.197 hours and 70.688 hours.