Through investigating,plant feeding habits pests surpassing the natural enemy insect far away in quantity. The relative fecundity of the pests and enemies is 10.19% and 1.38% respectively.

• 经调查；在数量上植食性害虫远远超过天敌昆虫；害虫的相对多度为10.；19%25；天敌仅为1