Predatory Efficiency of Menochilus sexmaculatus Fab. and Coccinella undecimpunctata Lin., (Coccinellidae: Coleoptera) on Alfalfa Aphid, Therioaphis trifolii (Monell.)

J.M. Mari, N.H. Rizvi, S.M. Nizamani, K.H. Qureshi and M.K. Lohar

Asian Journal of Plant Sciences 4 ( 4 ): 365 - 369 , 2005