稻眼蝶发生为害的初步观察

• 作 者: 刘士旺
• 机 构: 江西省崇义县农业局植保站
• 出 处: 植物保护
• 发表日期: 1979年03期
• 关键词: 稻眼蝶 晚稻 发生世代 耕作制度 害虫 历期 苗期 月起 室内饲养观察 剑叶

近年来,随着耕作制度的改革,稻眼蝶(Mycalesis gotama Moore)在我县的发生面积不断扩大,为害有所加重。部分晚稻发生严重的每亩幼虫数18500头,被害株率达89.7％,叶片几乎吃光,已逐渐成为部分地区晚稻苗期的主要害虫之一。为了确保晚稻高产丰收,从1972年6月起,对其发生世代、生活习性进行了观察,现将初步结果报导如下:

In recent years, with the reform of the farming system, the occurrence area of ​​Mycalesis gotama Moore in our county has been constantly expanding, causing some damage. In some late rice, there were 18500 larvae per acre and 89.7% of the infected plants. The leaves almost ate eaten, which has gradually become one of the major pests in late rice in some areas. In order to ensure high yield and good harvest of late rice, from June 1972 onwards, its generation and living habits were observed, the preliminary results are reported as follows: