Seasonal Adaptations of Insects

This balanced, comprehensive account traces the alterations in body form that insects undergo as they adapt to seasonal change, exploring both theoretical aspects and practical issues, such as the impact of seasonality on insect pest management. The authors provide a critical interpretation of the voluminous scientific literature on the natural history, genetics, evolution, and management of insect adaptations. As the only current study of this important topic, this monograph will be essential reading for most entomologists, as well as many ecologists, invertebrate zoologists, and evolutionary biologists.

Introduction	p. 3
Objective	p. 3
Historical Perspective	p. 4
Insect Adaptations to Environmental Changes	p. 7
Adaptations to Aseasonal Exigencies	p. 10
Seasonal Adaptations	p. 20
The Course of Diapause	p. 38
Diapausing Stage	p. 38
Stages Sensitive to Diapause-Inducing Stimuli	p. 43
Diapause Induction Period	p. 47
Diapause Completion	p. 52
Postdiapause Transitional Period	p. 59
Postdormancy Effects of Diapause	p. 62
The Diapause Syndrome	p. 67
Endocrine Mediation of Diapause	p. 67
Behavioral Expression of Diapause	p. 81
Physiological Expression of Diapause	p. 91
Morphological Expression of Diapause	p. 106
Environmental Regulation of Seasonal Cycles	p. 111
Photoperiod	p. 112
Temperature	p. 135
Other Environmental Factors	p. 151
Seasonal Adaptations--Special Cases	p. 161
Parasitoids	p. 162
Social Insects	p. 171
Tropical Insects	p. 178
Arctic and Desert Insects	p. 185
Variability and Genetics of Seasonal Adaptations	p. 192
Variability in Seasonal Cycles	p. 192
Genetics of Seasonal Cycles	p. 208
Evolution of Seasonal Cycles	p. 218
Origin of Insect Diapause	p. 219
Evolutionary Changes in Seasonal Cycles	p. 229
Seasonality, the Evolution of Life History, and Speciation	p. 256
Seasonality as a Life-History Trait	p. 257
Seasonality in the Evolution of Life History	p. 265
Seasonal Cycles and Speciation	p. 280
Seasonality and Insect Pest Management	p. 287
Predictive Capability as the Key to Pest Management	p. 288
Seasonal Considerations in Implementing Management Tactics	p. 298
Biological Control and Seasonality	p. 305
Bibliography	p. 310
Author Index	p. 385
Species Index	p. 402
Subject Index	p. 408
Table of Contents provided by Syndetics. All Rights Reserved.

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Seasonal Adaptations of Insects

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