红花尔基林业局是我国主要的樟子松种子基地。它担负着为“三北”地区绿化提供种籽的任务,但每年樟子松球果象甲被害率达30％,个别严重地区达60％以上,严重影响球果的产量和种子质量。为此,红花尔基林业局病虫害防治站对樟子松球果象甲进行了大量的观察、研究和防治试验,初步找到了经济效益较高的防治方法。 Honghuaerji Forestry Bureau is China’s main Scotch Pine seed base. It shoulders the task of providing seeds for the afforestation in the “Three Norths.” However, the annual damage rate of Pinus sylvestris is 30% and that of some serious areas is more than 60%, seriously affecting the yield and quality of cones. To this end, Honghuaerji forestry pest control station of Pinus sylvestris cone a lot of observation, research and prevention and control of the experiment, initially found a better economic control methods.