1992年棉铃虫在我市大发生,市郊县黑光灯诱蛾,越冬代累计诱蛾量21—113头,1992年一代总蛾量为497—1538头,是1977—1991年平均值61头的8倍多。10月份发蛾到10月15日,1992年共诱到2761头,1991年为63头;全年总诱蛾量为22980头,是1991年3750头的6.1倍。 洛阳市1992年棉花15万亩,大部分棉田伏前桃、伏桃未保住。孟津县1.5万亩棉花,不完全统计,绝收者达5000亩以上,其余的减产也在4成以 In 1992, the cotton bollworm occurred in our city, the suburbs of the county black light lure moths, overwintering generation cumulative number of moths 21-113, the first generation of 1992 moth 497-1538, the average of 1977-1991 61 More than 8 times. October hair moth to October 15, a total of 2761 lured in 1992, 63 in 1991; annual total number of induced moths 22980, 3750 in 1991 was 6.1 times. Luoyang City in 1992 15 million mu of cotton, most of the cotton fields before the peach, peach not preserved. Mengjin County, 15000 acres of cotton, incomplete statistics, up to 5000 acres or more, and the remaining cut is 40%