摘要： 结果表明,桃红颈天牛在河北省石家庄3年(跨4个年度)发生1代,成虫发生期在6月底至8月上旬,雌雄比为1∶1.31;卵孵化的始、盛、末期分别在7月上旬、7月下旬至8月上旬和8月中旬;孵化后的幼虫为害到9月中、下旬开始在木栓或皮层的虫穴道内越冬,11月下旬结束,第2年3月中旬越冬幼虫开始出蛰,到6月下旬或7月上旬结束。木质部内幼虫为害到9月上中旬至10月上旬全部越冬,第3年4月初开始出蛰,为害到6月上、中旬进入静止,直到第4年5月上、中旬化蛹,静止期平均290.7 d。成虫在蛹室内羽化,平均经17.3 d出洞。

关键词: 桃红颈天牛, 发生, 生活史

Abstract: The occurrence and life history in Aromia bungii(Faldermann) were observed.The results showed that A.bungii occurrenced once on every 4 years in Shijiazhuang,Hebei Province.The imago occurrenced in the end of June or the bengining of August.The ratio of the female and the male was 1∶1.31.Eggs hatching began in the bengining of July,reached the peak at the end of July or the beginning of August,and finished in the middle of August.The hatching larave began to damaged in the middle or the end of Sepetember,and overwintered in the tunnels of trunks in the end of December.From the middle of March to the end of June or the begining of July in the seconed years,the overwintering period began to be over.Then the larave in the trunk xylme began to damage again,and reached overwintering in the beginning or the middle of sepetember or the beginning of October.The larave damaged once more in the begining of April of the third year, and stopped damaging in the begining or the middle of June.Until the begining or the middle of May in the forth year the larave began to pupate.The resting stage was 290.7 d averagely.The larave pupated in the pupal chamb for 17.3 d averagely,then came out.

Key words: Aromia bungii ( Faldermann), Occurrence, Life history

中图分类号: 

• S436.62