承德市栎纷舟蛾危害现状及防治技术探讨

The Features and Control Discussion on Fentonia ocypete's Occurrence and Harm in Chengde

近3a来,栎纷舟蛾在承德市发生危害十分猖獗,寄主包括十几种植物,栎属植物占89%,树叶被吃光,造成树枝干枯,连年危害遇到干旱树木甚至死亡。观察到栎纷舟蛾蛹、成虫、卵、幼虫始盛期、盛期、盛末期日期,总结出栎纷舟蛾在承德发生的生命周期表,为综合防治和物资储备提供了科学依据。

During the past three years,Fentonia ocypete has been rampant in Chengde,hosted a dozen kinds of plants and produced great harm.89%of Quercus plants have been endangered.The leaves were eaten up and the branches were dried up.Years of damage and drought have even killed trees.According to the order of pupa,adult,egg,larva beginning peak,peak,end of the peak period to observe the Fentonia ocypete,The life table of the occurrence of quercusbrachynoides in Chengde was summarized,and It provides scientific basis for comprehensive prevention and control and material reserve.