蜗牛属软体动物,在我国分布广泛。它能危害多种农作物,如烟草、蔬菜、棉花等。蜗牛用齿舌刮食叶、茎,造成孔洞和缺刻,尤其对烟叶的品质有严重影响。苗期受害可将幼苗咬断,造成缺窝。因此,对蜗牛的防治必须引起高度重视。 目前常用的化学防治蜗牛的办法有撒石灰、施氨水等。由于用量大、成本高, Snail molluscs, widely distributed in our country. It can endanger a variety of crops, such as tobacco, vegetables, cotton and so on. Snails scratch the leaves with leaves, stems, resulting in holes and nicks, in particular, have a serious impact on the quality of tobacco. Seedling victims can bite off, resulting in missing nest. Therefore, the prevention and treatment of snails must pay great attention. At present, the commonly used methods of chemical control of snails are scattered lime, ammonia water and so on. Due to the large amount of cost, high cost,