Prolonged diapause in insect
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Key Words：insect, prolonged diapause, diapause duration, biology, genetic variation, phenology
Abstract： Diapause that lasts more than one year is called prolonged diapause. The induction, maintenance and termination of prolonged diapause is different from that of simple diapause (diapause lasting less than a year). This paper describes the types of prolonged diapause, environmental factors influencing its induction and termination, its phenological and biological characteristics, and its ecological significance. Prolonged diapause is a common phenomenon that is an important part of insect life histories.