蜗牛的种类较多,食性很杂,蜗牛用齿舌刮食植物的叶、茎、根和幼苗。造成孔洞或缺口,严重时吃光叶片,咬断幼苗根茎,造成缺苗断垄。蜗牛在田埂土缝、残株落叶、田边杂草或乱石中越冬,次年3月下旬开始活动,4￣5月交配产卵、孵化危害。蜗牛喜温暖、阴暗潮湿环境,一般昼伏夜出,雨天 More types of snails, diet is very complex, snail scraping the plant leaves, stems, roots and seedlings. Caused by holes or gaps, severe eating leaves, snapped seedlings rhizomes, resulting in lack of seedlings off ridge. Snails in the stony land stubble, stubble deciduous, edge of the weeds or rocks in the winter, the following year began activities in late March, 4 ~ May mating spawning, hatching harm. Snail hi warm, dark and humid environment, the general nocturnal, rainy days