Table of Contents

I. Basic Physiological and Ecological Considerations.- 1. Defensive Strategies of Woody Plants Against Different Insect-Feeding Guilds in Relation to Plant Ecological Strategies and Intimacy of Association with Insects.- 2. Towards a Unified Theory of Plant Defense.- 3. Defensive Responses of Trees in Relation to Their Carbon/Nutrient Balance.- 4. Growth and Differentiation-Balance Relationships in Pines Affect Their Resistance to Bark Beetles (Coleoptera: Scolytidae).- 5. Seasonal Variations in Energy Sources and Biosynthesis of Terpenes in Maritime Pine.- 6. Terpene Biosynthesis Under Pathological Conditions.- 7. Resistance of Plants at the Population Level to Attack by Phytophagous Insects.- II. Defenses Against Free-Feeding Insects.- 8. Induced Defenses in Ponderosa Pine Against Defoliating Insects.- 9. Changes in Levels of Foliar Minerals and Phenolics in Trembling Aspen, Populus tremuloides, in Response to Artificial Defoliation.- 10. The Role of Resin Acids in the Relationship Between Scots Pine and the Sawfly, Diprion pini (Hymenoptera: Diprionidae). I.—Resin Acids in the Needles.- 11. The Role of Resin Acids in the Relationship Between Scots Pine and the Sawfly, Diprion pini (Hymenoptera: Diprionidae). II.—Correlations with the Biology of Diprion pini.- 12. Variations in Nutrient Levels as a Defense: Identifying Key Nutritional Traits of Host Plants of the Western Spruce Budworm.- 13. Phenological Resistance of Oaks to the Green Oak Leafroller, Tortrix viridana (Lepidoptera: Tortricidae).- 14. Wound Response of Living Bark of Scots Pine Seedlings and Its Influence on Feeding by the Weevil, Hylobius abietis.- III. Defenses Against Attached, Imbedded Insects.- 15. Interactions Between the Leaf Miner, Phyllocnistis suffusella, and Poplars.- 16. A Resistance Response of Picea excelsa to the Aphid, Adelges abietis (Homoptera: Aphidoidea).- 17. Variations in Susceptibility of Pinus pinaster to Matsucoccus feytaudi (Homoptera: Margarodidae).- 18. Beech Resistance to the Beech Scale: A Variety of Defenses.- 19. Resistance Mechanisms of Loblolly and Shortleaf Pines to Southern Pine Beetle Attack.- 20. Wound-Induced Oleoresins of Abies concolor: Is It Part of Host Resistance to the Fir Engraver, Scolytus ventralis?.- 21. Elicitation of Defensive Reactions in Conifers.- 22. Do Fungi Influence the Establishment of Bark Beetles in Scots Pine?.- 23. The Toxicity of Norway Spruce Monoterpenes to Two Bark Beetle Species and Their Associates.- 24. Traumatized Hosts: Their Influence on the Population Dynamics of the Southern Pine Bark Beetle Guild.- 25. The Role of Spruce Monoterpene Derivatives as Oviposition Stimuli for Rhizophagus grandis, a Predator of the Bark Beetle, Dendroctonus micans.- 26. Host Orientation Behavior of Dendroctonus ponderosae: Integration of Token Stimuli Host and Defenses.- 27. Investigating the Hypothesis of Primary Attraction in Conifer-Specific Scolytidae Using a Chemometrical Approach.