摘要
杨黑点叶蜂为广布的防护林食叶害虫种群 ,研究其性比、出生或死亡率、繁殖、寿命 ,年龄组配、数量动态、空间分布型、聚散等种群组成特征 。
Pristphora conjugata Dahlb is a leaf eation insecte in protection forest.In this paper,were studied its sex ratio,birth or dead rate,propagation,life span,age structure,Quantity dyna mics,space distribution,aggregation and dispersion,and presented rational control program.
出处
《防护林科技》
2002年第1期24-25,共2页
Protection Forest Science and Technology
