Ostrinia nubilalis Hübner is characterized according to the type of diapause exhibited and the structural and physiological changes associated with the diapausing state. Effects of physical factors such as photoperiod, temperature, and relative humidity, as well as physiological and biochemical aspects such as the neurosecretory system and cyclic AMP involvement in diapause induction, maintenance, and break are reviewed. The possible roles of circadian oscillator and hourglass mechanisms associated with photoperiodism and the functioning of the biological clock of the insect are discussed.
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Gelman et al. (1980) studied this question.
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