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棉蚜天敌在进入棉田前后扩迁规律表明 ,棉蚜天敌的虫源库主要为麦田、林带、荒地。迁入棉田的时间均是同步的。而且在棉田中种群数量动态与时间序列为线性关系。
The cotton aphid natural enemies entered the cotton field before and after the law of expansion shows that cotton aphid predators of the main source of wheat fields, forest belt, wasteland. Time to move into the cotton fields are synchronized. Moreover, the population dynamics in cotton field is linear with time series.