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苏南地区,草莓是经济效益较高的作物。近年来,随着栽培面积的扩大,草莓害虫发生种类增多,为害加重,严重影响草莓繁苗数量和果实产量。1984～1990年,我们对草莓主要害虫的发生为害与防治技术,进行了调查与试验观察,现将主要结果整理如下:一、草莓害虫发生的种类草莓上发生的害虫种类多,范围广。经多年调查观察,当地草莓上栖息为害的害虫种类达20余种,按其为害习性,大致可分为四类:1.食叶性害虫:草莓叶甲、斜纹夜蛾银纹夜蛾、
In southern Jiangsu, strawberries are more economical crops. In recent years, with the expansion of cultivated area, the occurrence of strawberry pests increased, the harm increased, seriously affecting the number of strawberry seedlings and fruit yield. From 1984 to 1990, we investigated and tested the damage and control techniques of the major pests of strawberry. The main results are summarized as follows: I. Types of occurrence of strawberry pests There are many kinds of pests occurring in strawberry and a wide range. After years of investigation, the species of pests that habitat on the local strawberry is up to more than 20 species. According to their habit, they can be divided into four categories: 1. Leafy pests: strawberry leaf beetle, Spodoptera litura,