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为了有效地控制稻水象甲的危害，于1995～1996年进行了2a的扣笼接虫试验，通过计算分析，明确了不同虫口密度下稻水家甲对水稻生育及产量的影响情况，得出了稻水象甲的防治指标为30头/m2。
In order to effectively control the damage of rice water weevil, we carried out 2a clawed test in 1995 and 1996. Through the calculation and analysis, the effect of rice water Jiajia on growth and yield of rice was clarified Out of the rice water weevil control indicators for the 30 head / m2.