A comprehensive discussion of the broad range of insect responses to seasonality and a critical interpretation of the scientific literature.

Includes indexes.

Historical Perspective --Insect Adaptations to Environmental Changes -- Adaptations to Aseasonal Exigencies -- Seasonal Adaptations -- The Course of Diapause -- Diapausing Stage -- Stages Sensitive to Diapause-Inducing Stimuli -- Diapause Induction Period -- Diapause Completion -- Postdiapause Transitional Period -- Postdormancy Effects of Diapause -- The Diapause Syndrome -- Endocrine Mediation of Diapause -- Behavioral Expression of Diapause -- Physiological Expression of Diapause -- Morphological Expression of Diapause -- Environmental Regulation of Seasonal Cycles -- Photoperiod -- Temperature -- Other Environmental Factors -- Seasonal Adaptations--Special Cases -- Parasitoids -- Social Insects -- Tropical Insects -- Arctic and Desert Insects -- Variability and Genetics of Seasonal Adaptations -- Variability in Seasonal Cycles -- Genetics of Seasonal Cycles -- Evolution of Seasonal Cycles -- Origin of Insect Diapause -- Evolutionary Changes in Seasonal Cycles -- Seasonality, the Evolution of Life History, and Speciation -- Seasonality as a Life-History Trait -- Seasonality in the Evolution of Life History -- Seasonal Cycles and Speciation -- Seasonality and Insect Pest Management -- Predictive Capability as the Key to Pest Management -- Seasonal Considerations in Implementing Management Tactics -- Biological Control and Seasonality.