摸清了二点委夜蛾在济宁市的年生活史及2代幼虫在玉米田的消长规律;通过2010—2015年的测报和气象资料,采取逐步回归分析方法,组建了二点委夜蛾主要为害世代第2代幼虫的发生量、发生期的预测模型,经回验,发生量拟合准确率为93%,发生期的拟合准确率为100%。该预测模型经2015年实际应用,预测值与实际发生相符。 We found the annual life history and the second-generation larvae ’s law of growth and decline in the field of corn in the city of Jining, Hubei Province. By the method of stepwise regression analysis from 2010 to 2015 and the meteorological data, The main generation of the second generation of larvae generation and prediction of the occurrence of the forecast model, the back test, the incidence of fitting accuracy was 93%, the incidence of the fitting accuracy of 100%. The forecasting model is actually applied in 2015, and the predicted value is consistent with the actual occurrence.