...,这让安保部门倍感压力。不巧的是,动物所此时已经放假。此函转给了北京市农业局,经鉴定,这种不明蛾子是较为常见的草地螟。草地螟(Meadow moth),属鳞翅目,螟蛾科,世界性害虫,分布在欧亚大陆和北美洲。在中国北方是重要的迁飞性害虫,常以一代幼虫为害。
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Hosts of meadow moth 草地螟寄主
The over-winter cardinal number of meadow moth was very small in lawn in Changsha area, and they were a number of meadow moths coming from other places, not from the Changsha area.
草地螟在长沙地区草坪越冬基数很小,在长沙地区为害的多为外地迁入的虫源,为害程度主要取决于异地越冬代成虫迁入量的多少。
We analyzed the weather background during the major immigration period in 1999, and stimulated temporal-spatial dynamics of wind field and migration trajectories of the meadow moth.
本文分析了1999年各地草地螟主要迁入峰期的天气学背景,并对风场的时空分布及草地螟迁飞轨迹进行了模拟。
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