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本文采用反复调查和查迹调查相结合的方法,编制1987～1990年两代光肩星天牛(Anoplophova glabripennis Motsch)在北京杨、大官杨上发生为害的自然种群平均生命表.揭示了该虫自然种群数最消长的动态规律,找出了影响其种群数最变动的关键因子为预测预报和综合治理提供了科学依据.
In this paper, the average life table of natural populations harmed by two generations of Anoplophora glabripennis Motsch in Beijing Yang and Shangguan Yang from 1987 to 1990 was prepared by means of repeated surveys and tracing investigations. The most dynamic of the longest and the trend of finding out the most influential changes in the population of the key factors for the prediction and comprehensive management provides a scientific basis.