Department of Advanced Zoology and Biotechnology, Loyola College, Chennai - 600 034, India
*Corresponding author: Entomology Research Institute, Loyola College, Chennai - 600 034, India. E-mail: kingsselvagrace@yahoo.co.in
Studies on larvicidal property of neem oil, neem cake extract and monocrotophos at different concentrations against fourth instar larvae of Pericallia ricini revealed that neem oil was highly effective. An increase in the concentration of the test solutions increased the rate of larvicidal effect.
