Impact of Neem Oil to Controls Aedes Aegypti Mosquito Larvae

Dengue is one of the major health problem in many countries. The genus Aedes in which Aedes aegypti (Family Culicidae) mosquito belongs to, is the major vector of dengue fever disease. The aim of this study is to investigate the toxic effect of of Neem, genus Azadirachta of Azadirachta indica (Family Meliaceae) against A. aegypti larvae. Larvicidal effect of neem (Azadirachta indica) was studied against mosquito species. The neem Oil Formulation was tested for its larvicidal activity against 30 numbers of third instar larvae of Aedes aegypti,. The effect of different concentration of the neem oil formulation 25, 50, 100, 200 and 400 ppm on the Larvicidal activity against Aedes aegypti. The results recorded in the present study that neem oil was less economic, less hazardous to the environment and it was effective to control the Aedes aegypti.