* Preface to the Second Edition * Acknowledgments * Introduction * Chapter 1. The Ecological Role of Biodiversity in Agriculture * Traditional Agroecosystems As Models of Biodiverse Farms * The Ecological Role of Biodiversity * The Nature of Biodiversity in Agroecosystems * Chapter 2. Agroecology and Pest Management * The Nature of Agricultural Habitats and its Relation to Pest Buildup * Crop Diversification and Biological Control * Chapter 3. Plant Diversity and Insect Stability in Agroecosystems * Ecological Theory * Theory Dilemmas * Chapter 4. Insect Manipulation Through Weed Management * Weeds As Sources of Insect Pests in Agroecosystems * The Role of Weeds in the Ecology of Natural Enemies * Insect Dynamics in Weed-Diversified Crop Systems * Isolating the Ecological Effects of Weed Diversity * Crop-Weed Management Considerations * Chapter 5. Insect Management in Multiple-Cropping Systems * Patterns of Insect Abundance in Polycultures * Herbivore Trends in Polycultures * Case Study 1: Maize Intercrops and Pest Attack * Case Study 2: Cassava Intercrops and Pest Incidence * Case Study 3: Reducing Stemborers in Africa * Living Mulches: A Special Type of Intercrop * Methodologies to Study Insect Dynamics in Polycultures * Management Considerations * Chapter 6. Insect Ecology in Orchards Under Cover-Crop Management * Selecting and Managing Cover Crops in Orchards * Case Study 1: Apple Orchards in California * Case Study 2: Pecan Orchards in Georgia * Case Study 3: Summer Cover Crops in Vineyards * Chapter 7. The Influence of Adjacent Habitats on Insect Populations in Crop Fields * Crop Edges and Insect Pests * Field Boundaries and Natural Enemies * Designing and Managing Borders * Case Study 1: Exchange of Arthropods at the Interface of Apple Orchards and Adjacent Woodlands * Manipulating Crop-Field Border Vegetation * Case Study 2: Biological Corridors in Vineyards * Case Study 3: Strip Management to Augment Predators * Chapter 8. The Dynamics of Insect Pests in Agroforestry Systems * The Effects of Trees in Agroforestry on Insect Pests * Designing Natural Successional Analog Agroforestry Systems * The Need for Further Research * Chapter 9. Designing Pest-Stable Vegetationally Diverse Agroecosystems * Monocultures and the Failure of Conventional Pest-Control Approaches * Towards Sustainable Agriculture * Requirements of Sustainable Agroecosystems * Designing Healthy Agroecosystems * Healthy Soils--Healthy Plants * Restoring Diversity in Agricultural Systems * Enhancing Surrounding Biodiversity * Case Study 1: Diversification of an Onion Agroecosystem in Michigan * Case Study 2: A Diversified Small Farming System in Chile * Conclusion * References * Index