黄腹灯蛾(Spilosoma lvbricipeda L.)在保定、石家庄地区一年发生3代,主要以一代幼虫为害麦套玉米,严重的造成毁种或补种,对麦套玉米是一严重威胁。自1980年以来,年年都有发生,且逐年加重,保定地区1982、1984、1986、1988年四年发生面积分别为17.3万亩、40万亩、65万亩、100万亩。1989年在保定、石家庄共发生200多万亩,严重受害面积130万亩,毁种玉米50万亩。 Spilosoma lvbricipeda L. occurs in Baoding and Shijiazhuang areas for three generations a year. The main larvae of wheat are maize corn, which severely damages or replaces wheat, which is a serious threat to wheat maize. Since 1980, every year has occurred, and increased year by year, Baoding area in 1982, 1984, 1986 and 1988, respectively, the annual occurrence area of ​​173,000 mu, 400,000 mu, 650,000 mu, 100 mu. In Baoding in 1989, a total of more than 2000000 acres of Shijiazhuang, severely damaged area of ​​1300000 acres, destroyed 500000 acres of corn.