由于1992年冬季棉铃虫越冬蛹基数大,今年又遇早春气温高,棉铃虫提前羽化出土。据黑光灯观察,4月15日始见成虫,是自1962年以来第二次在4月中旬见蛾。截止到5月3日累计诱蛾38头是去年同期蛾量的8.5倍,田间普查,4月26日见卵,5月8日我站普查30块不同类型麦田,平均每米单行长有卵1.2粒,最高5粒,且在果园、菜田均 As a result of large numbers of overwintering pupae of winter bollworms in 1992, they encountered a high temperature in early spring and the bollworm emerged in advance. According to the black light observation, April 15 saw the adults, is the second time since 1962 to see the moth in mid-April. As of May 3, 38 cumulative moths were 8.5 times the amount of moths in the same period of last year. Field surveys and April 26 saw eggs. On May 8, I surveyed 30 different types of wheat fields on average, 1.2 grains, up to 5 grains, and in the orchard, vegetable fields are