CONTENTS:- 1. Introduction to Insect Ecology. 2. Physiology of Insects. 3. Physiological Adaptations to Terrestrial Insects. 4. Systematics and Taxonomy of Insects. 5. Insect Morphology. 6. The Hemipteroid Group of Insects. 7. The Endopterygote Group of Insects. 8. The Dominance of Insects. 9. Insect Immunology. 10. Common Insects.