当监测舞毒蛾时,正确地鉴定卵生活力有很大的意义。卵成活率的高低不仅能准确地评价害虫对林分的威胁程度,而且可为制定防治措施提供充分的依据。旨在用最少劳力获取关于卵成活率以及因卵寄生蜂、流行病和气象因子等所引起死亡率的正确评价,究竟应该从每一样地抽取 When monitoring gypsy moths, it is of great significance to correctly identify the viability of the eggs. The survival rate of eggs not only can accurately evaluate the degree of threat to the forest pests, but also provide sufficient basis for the formulation of prevention and control measures. Aimed at getting the correct assessment of the survival rate of eggs and the mortality caused by oviparous bees, epidemics and meteorological factors with minimal effort, which should be extracted from every sample