浙江黑松叶蜂危害特征及风险分析

浙江黑松叶蜂在福建局部地区发生严重危害,通过对其危害特征进行分析,发现其具有:危害症状隐蔽性,发生具有暴发性,幼虫危害历期长,根治难度大等特点。同时,经过风险分析评估表明,该虫种为福建省重要的林业有害生物和中度危险的林业有害生物,对全省松林已构成了很大威胁,建议应将其列入福建省林业主要虫害进行管理,加强对其的综合治理,防止其继续扩散蔓延。

Analysis of Damage Characteristics and Risk of Nesodiprion zhejiangensis

At present, Nesodiprion zhejiangensis Zhou et Xiao has caused serious harm in some regions in Fujian Province. This paper made an analysis of its damage characteristics. Study showed its main damage characteristics included： symptom concealment, sudden explosion, a long larva period and control difficulty, etc. The risk assessment showed that this species was an important forest pest with moderate danger and had done great threats to forests in Fujian Province. So, this species should be regarded as a main kind of harmful pests in Fujian Province in order to strengthen the comprehensive management and control of it, and prevent it from spreading.