| Foreword | |
| Preface and Acknowledgments | |
| 1 | Evolutionary Ecology and the Interactions of Plants with Insects | 3 |
| 2 | The Stem Gallmaker, Its Natural Enemies, and Goldenrod: A Model System of Tritrophic-Level Interaction | 14 |
| 3 | Eurosta's Impact on Goldenrod | 50 |
| 4 | Host-Plant Resistance to Gallmaker Attack: The Plant-Gallmaker Encounter - The Plant's Perspective | 100 |
| 5 | Host-Plant Choice | 135 |
| 6 | The Gall as Eurosta's Extended Phenotype | 171 |
| 7 | Host Specificity and Herbivore Speciation | 194 |
| 8 | The Third Trophic Level as an Agent of Selection | 254 |
| 9 | The Variable Biotic Environment and Variable Selection | 286 |
| 10 | Phenotypic Plasticity and Spurious Evolution | 321 |
| 11 | Selection on the Hierarchy of Attack and Defense | 337 |
| 12 | Goldenrod, Gallmakers, and the Evolutionary Ecology of Plant-Insect Interactions | 382 |
| References | 399 |
| Author Index | 437 |
| Subject Index | 448 |