华南冠网蝽种群消长规律和综合防治研究

Occurrence Regularity and Integrated Control of Stephanitis (Stephanitis) laudata Drake et Poor

华南冠网蝽在福建晋江市1a发生5代,有2次危害高峰,分别出现在5～6月和9～10月,主要危害樟树。综合防治措施主要有:修剪被害枝叶的20%～30%,1a后虫口减退率达87%以上,保护野外捕食性天敌花蝽,合理使用农药,当樟树作为园林绿化树种时,以40%氧化乐果等灌根、涂干、注射施用,大发生时可应用喷雾防治。

Stephanitis (S.) laudataWT has five generations per year in Jinjiang City.There are two peaks of damage in a year and respectively apper from May to June and September to October.In order to integrated control the pest,we present forest assorting with biological control and pesticide control,including prune off damage branches,keep nature enemy,correct using pesticides.When occurs seriously,with 1∶1 000 40% omethoate emulsifiable solution,80% DDVP emulsifiable solution or 2.5% decamethrin solution are used to spray the pest.