栗瘿蜂 Dryocomus kuriphilus(Yasumatsu)是全国板栗产区常发性大害虫 ,化学防治作为栗瘿蜂综合防治中的一种应急措施与调控手段 ,能使天敌与栗瘿蜂处于多年的生态平衡 ,达到综合防治的目的。利用物候期多小孔树体计量树干注药法能有效防止栗瘿蜂的大暴发 ,本项技术经济、安全、易于操作 ,是化学防治中最有效的方法 Dryocomus kuriphilus (Yasumatsu) is a common large-scale pest in the chestnut producing area in China. As a kind of emergency measure and control measure in chemical prevention and control, it can make the natural enemies and chestnut bee erect many years of ecological balance, To achieve the purpose of comprehensive prevention and control. The use of phenotypic multi-orifice tree trunk injection method can effectively prevent the big outbreak of chestnut bee, this technology is economical, safe, easy to operate, is the most effective chemical control methods