栗山天牛在辽宁省发生危害规律及防治对策研究

Occurrence Regularity and Control Countermeasures of Massicus raddei in Liaoning Province

从1998年起,栗山天牛在辽宁省暴发成灾并呈现扩散蔓延趋势,造成了巨大经济损失,引起了各级政府的高度重视和社会广泛关注。介绍栗山天牛的生物学特性及危害状况,分析了其发生与寄主植物、林龄、林型和林分郁闭度、树干部位、立地条件、海拔的关系及发生的原因,采取营林措施、生物防治、人工捕捉和使用化学药剂等综合防治对策是控制虫情的有效途径。

The occurrence and spread of Massicus raddei disaster in Liaoning which caused huge economic losses was highly valued by governments at all levels and widely concerned by the public. This paper introduced the biological characteristics and damage status of Massicus raddei,analyzed the relationship between the occurrence causes and host plant,stand age,forest type,canopy density,tree trunks,site conditions and altitude,and put forward countermeasures of forest management,biological control,artificial capture and chemical control.