稻田螺蛳是稻田有害动物,属田螺科,田螺属,在稻田以危害秧苗为主。1973年我团秧田严重发生的150多亩,大田发生500多亩,秧苗被害后成苗率低,叶色发黄,生长缓慢。据有关资料报道,椎实螺又是稻田皮炎尾蚴和肝蛭的中间寄主。为了消灭有害动物,夺取水稻丰收,1973—1974年我们对稻田螺蛳进行了初步调查和防治试验。一、稻田螺蛳种类、形态特征及危害。经1973—1974年春多次调查,我团水稻田发生的螺蛳有椎实螺、扁卷螺、田螺三种。其中以椎实螺为主,占总数95％以上,扁卷螺约占3—5％,田螺占2％左右。如 Rice snail is a rice field pests, is a family of snails, snails, in the rice fields to harm seedlings. In 1973 I regiment 150 acres of serious occurrence of seedling field, 500 acres of field occurred after the seedlings killed seedling rate is low, leaf color yellow, slow growth. According to the information reported, the spinella is the rice paddy skin cercariae and the intermediate host of leeches. In order to eliminate harmful animals, to seize the rice harvest, 1973-1974 we conducted a preliminary investigation of rice snails and control trials. First, rice snail types, morphological characteristics and hazards. After many investigations in the spring of 1973-1974, there were three kinds of snails that occurred in the paddy field in our country, such as spines, flat snails and snails. Among them, the spinella dominated, accounting for more than 95% of the total, about 3-5% flat snail, snail accounts for about 2%. Such as