1. The need for pesticides and their pattern of use -- 2. The formulation of pesticides -- 3. Pesticide laws and regulations -- 4. The classification of insecticides -- 5. Evaluation of toxicity -- 6. The uptake of insecticides -- 7. The mode of action of insecticides -- 8. Principles of pesticide metabolism -- 9. Species differences and other phenomena associated with the metabolism of xenobiotics -- 10. Insecticide resistance -- 11. Pesticides in the environment