The prey preference of Orius sauteri on western flower thrips and two-spotted spider mite Resistance of Tetranychue uriticae Koch to several insecticides and their mixtures Comparison of the effect of two prey species on the population growth of Orius similis Zheng and the implications for the control of Tetranychus urticae Koch Influence of cyhalothrin and fenpropathrin on life-vigor and fecundity of Tetranychus urticae Koch