| Author: | V. B. Wigglesworth |
| Release at: | 1972 |
| Pages: | 833 |
| Edition: | 7th Edition |
| File Size: | 54 MB |
| File Type: | |
| Language: | English |
Description of The Principles of Insect Physiology 7th Edition (PDF)
The Principles of Insect Physiology 7th Edition by V. B. Wigglesworth is a great book for insects studies book available in PDF download. INSECTS PROVIDE an ideal medium in which to study all the problems of physiology. But if this medium is to be used to the best advantage, the principles and peculiarities of the insect's organization must be first appreciated. It is the purpose of this book to set forth these principles so far as they are understood at the present day. There exist already many excellent text-books of general entomology; notably those of Imms, Weber, and Snodgrass, to mention only the more recent. But these authors have necessarily been preoccupied chiefly with describing the diversity of form among insects; discussions on function being correspondingly condensed. In the present work the emphasis is reversed. Structure is described only to an extent sufficient to make the physiological argument intelligible. Every anatomical peculiarity, every ecological specialization, has indeed its physiological counterpart. In that sense, anatomy, physiology and ecology are not separable. But regarded from the standpoint from which the present work is written, the endless modifications that are met with among insects are but illustrations of the general principles of their physiology, which it is the aim of this book to set forth. Completeness in such a work is not possible, or desirable; but an endeavour has been made to illustrate each physiological characteristic by a few concrete examples, and to include sufficient references to guide the student to the more important sources.
The physiology of insects is to some the handmaid of Economic Entomology. For although it is not the purpose of physiology to furnish directly the means of controlling insect pests, yet the rational application of measures of control-whether these be insecticides of one sort or another, or artificial interferences with the insect's environment-is often dependent on a knowledge of the physiology of the insect in question. Physiology may thus serve to rationalize existing procedures, or to discover the weak spots in the ecological armour of a species. A knowledge of the ecology of a species is always necessary to its effective control; its ecology can be properly understood only when its physiology is known.
Content of The Principles of Insect Physiology 7th Edition (PDF)
Chapter 1: DEVELOPMENT IN THE EGG
Chapter 2: THE INTEGUMENT
Chapter 3: GROWTH
Chapter 4: MUSCULAR SYSTEM AND LOCOMOTION
Chapter 5: NERVOUS AND ENDOCRINE SYSTEMS
Chapter 6: SENSE ORGANS: VISION
Chapter 7: SENSE ORGANS: MECHANICAL AND CHEMICAL SENSES
Chapter 8: BEHAVIOUR
Chapter 9: RESPIRATION
Chapter 10: THE CIRCULATORY SYSTEM AND ASSOCIATED TISSUES
Chapter 11: DIGESTION AND NUTRITION
Chapter 12: EXCRETION
Chapter 13: METABOLISM
Chapter 14: WATER AND TEMPERATURE
Chapter 15: REPRODUCTIVE SYSTEM
INDEX
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