Bacillus thuringiensis Bacterial toxins Biological Control Biological control agents Genetic Engineering, Gene Transfer and Transgenics, (New June 2002) Genetic engineering Genetic transformation Insect control Insect pests Insect resistance Integrated Pest Management Integrated pest management Methodology Mode of action Natural enemies Pest control Pesticide and Drug Resistance Pesticide resistance Plant Breeding and Genetics Plant Pests, (New March 2000) Plant pests Resistance management Resistance mechanisms Transgenic plants