Interchanges of Insects between Agricultural and Surrounding Landscapes

1. Front Matter

   Pages i-ix

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2. Interchanges of Insects Between Agricultural and Surrounding Landscapes

   • Barbara Ekbom

   Pages 1-3

3. Relating Insect Movements to Farming Systems in Dynamic Landscapes

   • F. Burel, J. Baudry, Y. Delettre, S. Petit, N. Morvan

   Pages 5-32

4. The use of Invertebrates in Evaluating Rural Sustainability

   • Maurizio G. Paoletti, Carlos Martin Cantarino

   Pages 33-52

5. Effects of Habitat Fragmentation on Plant-Insect Communities

   • Andreas Kruess, Teja Tscharntke

   Pages 53-70

6. The Impact of Corridors on Arthropod Populations Within Simulated Agrolandscapes

   • Gary W. Barrett

   Pages 71-84

7. Interchanges of a Common Pest Guild Between Orchards and the Surrounding Ecosystems

   • Philippe Jeanneret

   Pages 85-107

8. Landscape Connectivity

   • Phil D. Taylor

   Pages 109-122

9. Effect of Habitat Heterogeneity on the Diversity and Density of Pollinating Insects

   • Jόzef Banaszak

   Pages 123-140

10. Diversity and Movement Patterns of Leaf Beetles (Coleoptera: Chrysomelidae) and Leafhoppers (Homoptera: Cicadellidae) in a Heterogeneous Tropical Landscape

    • Michael E. Irwin, Lowell R. Nault, Carolina Godoy, Gail E. Kampmeier

    Pages 141-168

11. Landscape Management and Resident Generalist Predators in Annual Crop Systems

    • Riccardo Bommarco, Barbara Ekbom

    Pages 169-182

12. Parasitoid Community Structure

    • Paul C. Marino, Douglas A. Landis

    Pages 183-193

13. The Impact of Field Boundary Habitats on the Diversity and Abundance of Natural Enemies in Cereals

    • P. Dennis, G. L. A. Fry, A. Andersen

    Pages 195-214

14. Natural Vegetation in Agroecosystems

    • John E. Banks

    Pages 215-229

15. Back Matter

    Pages 231-239

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The chapters in this book were developed from some of the lectures presented at a sym­ posium at the XX International Congress of Entomology held in Florence, Italy in August 1996. The purpose of the symposium was to discuss the impact of evolving modern agricultural landscapes on the insect species, of both economic and ecological importance, that utilize that habitat. Agricultural policy, to some extent, influences the choices that farmers make and thereby the shape of the agricultural landscape. In order to move toward more sustainable agro­ ecosystems future policy makers will have to consider the history of land use, consumer demands for both environmentally sound and affordable products, and the conservation of biological diversity. I would hope the information contained in this book will help stimulate discussion about the consequences of policy decisions on our agricultural landscapes and their insect inhabitants. I thank all the speakers from the symposium and in particular those that have been able to contribute chapters to this book. There have been many delays, most due to circumstances beyond anyone's control. I would like to express my appreciation to Gloria Verhey and Patrick Dumont for taking care of the book in these final months. CHAPTER I INTERCHANGES OF INSECTS BETWEEN AGRICULTURAL AND SURROUNDING LANDSCAPES BARBARA EKBOM Department of Entomology, Swedish University of Agricultural Sciences, Uppsala, Sweden 1.

• Coleoptera
• Fitness
• Homoptera
• agroecosystems
• biodiversity
• ecosystem
• ecosystems
• insect
• vegetation
• Entomology

• Department of Entomology, Swedish University of Agricultural Sciences, Uppsala, Sweden

  Barbara Ekbom

• Office of Agricultural Entomology, University of Illinois, Urbana, USA

  Michael E. Irwin

• INRA Lab Zoologie, Le Rheu Cedex, France

  Yvon Robert

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