通过调查,融水县2001年各生境福寿螺发生面积、螺体密度接近大发生的1994年,为害范围已从山外平原扩散到山区17个乡(镇)中的10个乡(镇),为害作物种类不断增加,总体呈明显回升趋势。在分析回升原因基础上,提出了抓好越冬代成螺处理和翌年第一代成螺产卵盛期药剂防治,将其控制和消灭在大面积扩散为害之前的治理对策。 According to the survey, in 1994, the area of ​​occurrence and the density of snails in each habitat of Rongshui County were large and occurred. In 1994, the scope of the damage spread from the plain outside the mountains to 10 townships (towns) in 17 townships The types of crops increased continuously, showing a general upward trend. Based on the analysis of the reasons for the rebound, the paper put forward the countermeasures of controlling the spirochete overwintering generation and preventing and controlling the first generation snail spawning in the following year, and controlling and eliminating them before large-scale spread damage.