Toxic Effects of Two Insecticides on Brown Plant Hopper, Nilaparvata lugens and its Predators Micraspis discolor and Lycosa pseudoannulata

T. K. Biswas, M. A. Rahman, M. M.H. Khan, M. M. Alam and M. Jahan

International Journal of Zoological Research 2 ( 2 ): 192 - 203 , 2006