瘦银锭夜蛾Macdunnoughia agnata在兰州地区的分布及其生物学特征

Distribution and Biological Characteristics of Macdunnoughia agnata in the Region of Lanzhou

报道了瘦银锭夜蛾(Macdunnoughia agnata)在兰州地区的新分布;初步观察了该物种在兰州地区的分布范围、为害植物种类;确认了瘦银锭夜蛾在兰州地区是以卵越冬,一年繁殖2代等生物学特征.由于瘦银锭夜蛾是重要的农业害虫,因此,为这一物种的发生、危害和防治提供了重要参考资料.

A new distribution of Macdunnoughia agnate in the region of Lanzhou was reported.Its range of distribution and the plants harmed by this species were also observed.We found the insect spent winter as an ovum and it had 2 generations per year.As Macdunnoughia agnate was an important pest,so necessary informations of its generation,its harm and control were provided in this paper.