包头市草坪蛴螬种类调查及药效防治试验

Grub Species Investigation in Lawns in Baotou City and its Control Experiments

蛴螬是危害草坪的主要害虫。近几年,包头地区草坪地下害虫蛴螬发生严重。采用随机挖土取样法,对包头市草坪地下害虫蛴螬种类进行调查。结果查到3科7属7种,其中华北大黑金龟为优势种群。采用不同的农药种类对蛴螬进行防治试验,田间试验结果显示,40%甲基异柳磷EC、48%乐斯本EC对蛴螬防效好。

The chafer grub is one of the most deleterious underground pest on lawn.In last few years,it became more prevalent in Baotou,Inner Mongolia,China.Underground chafer grubs were surveyed in Baotou area.Totally,we identified 7 species from 3 families,in which Holotrichia oblita was the dominant.Several pesticides were applied to the chafer grubs,and 40% isofenphos-methyl EC、48% Lorben EC present to be the most powerful chemicals for controlling the chafer grub population.