我县利用金小蜂防治棉花仓库红铃虫已有十四年的历史。十多年来,金小蜂的饲养繁殖数量不断增加,投放范围逐渐扩大,取得了良好防治效果。1959年开始饲养金小蜂,全县繁蜂量10万余头,投放到四个产棉公社和棉花收购站、轧花厂的棉仓共63个。1965年繁蜂量增加到1,387万头,投放范围扩大到七个公社各农户和全县七区、三镇、四个农场的4,200多个棉仓。以后每年繁蜂量均在500—1,000万头之间,使全县38万亩棉田大大减轻了红铃虫为害。从棉仓调查的结 My county use golden bee to control cotton warehouse pink bollworm has fourteen years of history. For more than a decade, the breeding population of golden bees has been steadily increasing, the scope of delivery gradually expanded, and good control effects have been achieved. Golden beekeepers began feeding in 1959, the county more than 100,000 bees were spent, put into four cotton communes and cotton acquisition stations, cotton ginning a total of 63 stalls. In 1965, the number of breeders increased to 13.87 million. The number of breeders was expanded to more than 4,200 cotton silos in seven commune households and seven districts, three towns and four farms in the county. Since then, the annual amount of heavy bees are between 500 and 10,000,000 heads each year, which has greatly reduced the population of Red Helmets in 380000 acres of cotton fields throughout the county. Knot from the cotton warehouse survey