秦岭西部林区华山松大小蠹调查与防治分析

采用野外定点调查的方法,观察研究了不同海拔地区华山松大小蠹生活史和生活习性。结果表明,秦岭西部华山松大小蠹以幼虫越冬,华山松大小蠹存在世代重叠现象,在同一样地也可能存在第2代成虫与越冬代幼虫羽化的成虫同时扬飞的现象,但大部分华山松大小蠹也能完成2个世代。宝鸡市马头滩林业局在多年来各种防治方法经验累积的基础上,采取综合防治方法控制华山松大小蠹的危害。

In west qinling forest region China dendroctonus Investigation and analysis in the prevention and control

Adopt the method of fixed field investigation, study the different altitudes China dendroctonus life history and life habits.The results showed that: China dendroctonus with larvae overwintering in western qinling, China dendroctonus overlap phenomenon, from generation to generation in the same land there are likely to be 2 adult and overwintering generation larvae hatched adult at the same time, the phenomenon of young to fly, but the majority of China dendroctonus can complete two generations.Baoji horsehead beach forestry bureau in various control methods on the basis of the experience accumulated over the years, adopt comprehensive prevention and control of China dendroctonus, control China dendroctonus harm in the following way.