玛可河林区圆柏大痣小蜂的发生与防治

Infestation and prevention of Megastigmus sabinae in Makehe forestry

圆柏大痣小蜂是目前青南高寒天然林区——玛可河林区圆柏林的主要害虫。为更好地保护森林资源,提高林分质量,促进林木生长和生物多样性的发展,达到生态和谐和环境稳定,自2005——2007年起系统调查了圆柏大痣小蜂在林区的发生及危害情况,并因地制宜采取生物、化学和物理防治相结合的综合治理措施,使大痣小蜂的危害得到了有效的遏制,生态环境得到改善,收获了品质良好的圆柏种子,为本地区种苗培育增加了新品种,对林区阳坡、半阳坡荒山造林提供了适宜的种苗,扩大了造林面积。

Megastigmus sabinae is a major injurious insect in natural forestry of south Qinghai.To protect Makehe forestry resources and its biodiversity,we investigated infestation status of Megastigmus sabinae in the forestry during 2005 and 2007 and carried out biological,chemical and physical preventive measures.The insect was well controlled by these measures.