Toxicity Analysis of Ten Pesticides on Controlling Anoplophora glabripennis Preparation of the corn oil methyl ester and its effect on application results of lambda-cyhalothrin emulsion in water Effect of methyl oleate solvent on physical characteristics of the spray liquid and the bioactivity of lambda-cyhalothrin emulsion in water Selection of Ostrinia furnacalis STUDIES ON THE LABORATORY DEVELOPMENT OF RESISTANCE AND CROSS-RESISTANCE OF COTTON BOLLWORM TO DELTAMETHRIN, CYHALOTHRIN AND A MIXTURE CONTAINED CYHALOTHRIN Influence of cyhalothrin and fenpropathrin on life-vigor and fecundity of Tetranychus urticae Koch