Herbivorous Insects

Host-seeking Behavior and mechanisms

1st Edition - June 28, 1983
Editor: Sami Ahmad
Language: English
eBook ISBN:
9 7 8 - 0 - 3 2 3 - 1 5 8 2 4 - 4

Herbivorous Insects: Host-Seeking Behavior and Mechanisms addresses mechanisms of searching behavior leading ultimately to host location of herbivorous insects. It is divided i… Read more

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Herbivorous Insects: Host-Seeking Behavior and Mechanisms addresses mechanisms of searching behavior leading ultimately to host location of herbivorous insects. It is divided into four sections, wherein the first two sections deal with neurophysiology and the diversity of behavioral induction cues. The third section covers the searching mechanisms as affected by insects' breadth of diet. The last part examines the evolutionary analysis of the behavioral and physiological adaptations in insect/host plant relations.

This book starts with an introduction to the chemical sensory system as it relates to host selection in general. This is followed by considerable discussions on host-seeking behavior and allied patterns in behavior. This text also includes the study of oviposition behavior in butterflies belonging to Papilionidae. The third section presents host selection and colonization by three insects within the saprophage-predator continuum, namely, Hylurgopinus rufipes, Scolytus multistriatus, and Pissodes strobi. The behaviors by which certain oligophagous insects locate and select food plants are also considered. The concluding part addresses the unifying theme and the diversity of responses of phytophagous insects to plants.

The book provides direction toward developing a unifying theme and improving the ability to unravel the complexities of insect/plant interactions. Behaviorists, ecologists, entomologists, evolutionary biologists, and physiologists will find this book invaluable.

Contributors

Preface

Introduction

Part I. Neurophysiological Aspects

1. The Behavioral and Neurophysiological Basis of Food-Plant Selection by Lepidopterous Larvae

I. Introduction

II. Behavioral Responses to Potential Food Plants

III. Chemical Basis of Host-Plant Selection

IV. Responses of the Chemosensory Cells to Plants and Plant Chemicals

V. Summary

References

Part II. The Diversity of Behavioral Cues

2. Chemical Aspects of Oviposition Behavior in Butterflies

I. Introduction

II. Host Relationship among Butterflies

III. Chemosensory Systems in Butterflies

IV. Studies of Swallowtail Butterflies

V. Discussion

VI. Summary

References

3. Individual Variation in Host Location by Phytophagous Insects

I. Introduction

II. Environmental Sources of Individual Variation in Host Location

III. Genetic Variation and Neurological Models of Host Selectivity

IV. Case Study: Individual Variation in Host Location by Battus philenor

V. Summary

References

4. Spatial Patterns in the Plant Community and Their Effects upon Insect Search

I. Introduction

II. Insect Responses to Plant Community Texture

III. Factors Generating Nonrandom Herbivore Distributions

IV. Implications for Agricultural Systems

V. Summary

References

Part III. Host Search in Relation to the Breadth of Diet

5. Integration of Visual Stimuli, Host Odorants, and Pheromones by Bark Beetles and Weevils in Locating and Colonizing Host Trees

I. Introduction

II. Host Selection by Three Species

III. Generalizations and Summary

References

6. Host Location in the Colorado Potato Beetle: Searching Mechanisms in Relation to Oligophagy

I. Introduction

II. The Colorado Potato Beetle and Its Host Plants

III. Host-Seeking Behavior of the Colorado Potato Beetle

IV. Comparison with Host Location in Other Oligophagous Insects

V. Summary

References

7. Host-Seeking Behavior of the Gypsy Moth: The Influence of Polyphagy and Highly Apparent Host Plants

I. Introduction

II. Background Biology of the Gypsy Moth

III. Host Location in the Gypsy Moth

IV. Host Location in Other Generalist Herbivores

V. Concluding Remarks

VI. Summary

References

Part IV. Evolutionary Aspects of Host Selection

8. Selective Factors in the Evolution of Host Choice by Phytophagous Insects

I. Introduction

II. Alternative Physiological Mechanisms

III. Modes of Evolutionary Explanation

IV. Phylogenetic Considerations

V. Cost-Benefit Considerations

VI. Genetic Variation in Phytophagous Insects

VII. Evolution of Host-Seeking Behavior

VIII. Concluding Remarks

IX. Summary

References

Index