摘要
文章应用有害生物危险性评价的定量分析方法 ,对杨潜叶叶蜂Messataianensis在北京地区存在的危险性进行了分析。分析结果表明杨潜叶叶蜂寄主范围比较广、存活率高、适生范围广、危害严重、损失较大 ,传入后扩散快 ,根除困难 ,是中度危险的森林有害生物 ,对北京地区的平原绿化构成较大威胁。
The risk of Messa taianensis in Beijing was analyzed with the pest quantitative evaluation method.The result showed that the insect was a moderate dangerous forest pest with the following characters:wide living and host range,high survival rate,rapidly spreading speed and so on.It was a great threat to plain afforestation in Beijing.So,some countermeasures should be taken in time to prevent the spread.
出处
《中国森林病虫》
北大核心
2003年第4期8-10,共3页
Forest Pest and Disease
