水稻害虫种类繁多,由于各种害虫的生活习性、取食方式、为害部位的不同,水稻被害后表现的征状也各不相同。为了在田间易于鉴别,及时进行有效防治,笔者经对几种水稻主要害虫的为害状作了一些初步观察,和学习了先人观察研究结果,取得微小心得,现将其编写成水稻主要害虫田间为害状检索表,供参考,并希指正。 Due to the variety of rice pests, due to the habit of various pests, feeding patterns, the different parts of the damage, the symptoms of rice after the victims also showed different symptoms. In order to facilitate identification in the field, timely and effective prevention and treatment, the author made some preliminary observations on the damage of several major pests in rice and learned the results of previous studies and obtained little experience. Now, it is compiled into the main rice pest field Harmless search form for reference, and hope correct.