Laboratory evaluation of toxicity of selected insecticides against egg and larval stages of cotton pink bollworm, Pectinophora gossypiella (Saunders) (Lepidoptera: Gelechiidae) oleh Abhishek V. Busnoor, R. M. Wadaskar, Babasaheb B. Fand, V. J. Tambe, T. Pillai, D. J. Mahule, V. S. Nagrare, Y. G. Prasad