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花生种苗期大黑蛴螬和花生生长期大黑、暗黑蛴螬的虫口密度(X)与减产率(Y)呈明显的直线正相关,其相关式苗期网池接虫为Y=0.7245+0.004X±3.3957(r=0.9520,n=39);同步模拟为Y=0.4452+0.0040X±1.3959(r=0.9661,n=28);接虫示范为Y=0.1360+0.0074X±1.5888(r=0.9800,n=4);生长期接大黑金龟甲卵为Y=1.2927+0.0042X±3.2704(r=0.8993,n=36);接暗