或称迁移，是指一种动物适应外界条件从一个发生地长距离地转移到另一个发生地的现象。
n. migration
misc. migratory flight
Because of their long-distance migration, the WBPH usually take place and make great harm to rice in sudden, it is important to know the quantitative change rule in the field and the behaviors of immigration.
由于其具有长距离迁飞的特性，其种群的发生对水稻的危害更具突发性，因此有必要了解其种群消长规律和迁飞行为。
参考来源 - 白背飞虱（Sogatella furcifera）的迁飞生物学和田间种群动态The parasitic wasps have a certain ability of horizontal flight with migration distance limited within 60 meters.
白蜡虫寄生蜂有一定的水平飞行能力,迁飞距离在60m左右。
参考来源 - 白蜡虫优势寄生蜂行为学特征研究·2,447,543篇论文数据，部分数据来源于NoteExpress
当春季来临的时候，它们又开始向北迁飞。
蚜虫迁飞多发生在晴朗的白天，并且温度、光照和风是影响迁飞行为的主导因子。
The migration behaviour usually occurred in the daytime, and the temperature, light and wind were the main influence factors.
迁飞阻碍了不同地理种群间的遗传分化。
The migration could hamper more genetic differentiation among different geographic populations.
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