This document discusses using Gliricidia sepium (kakawate) leaves to prevent Aedes aegypti mosquitoes. Kakawate is a medium-sized tree that is thought to repel mosquitoes due to its smell. The objective is to prove that kakawate leaves can kill mosquitoes. It hypothesizes that kakawate kills mosquitoes because of the smell. The significance is that using kakawate leaves can help prevent dengue by killing many mosquitoes.