红铃虫是棉花生产上的一大害虫,对棉花的产量和质量影响很大。我们几年来的实践证明,放养金小蜂,防治棉仓内的红铃虫幼虫,效果一般都在70％以上。这对压低红铃虫越冬基数、减轻一、二、三代红铃虫的危害有明显的作用。一、饲料准备金小蜂是一种活体寄生性昆虫,成虫以产卵管将寄主刺死,然后将卵产于寄主表面,靠吸取寄主的营养而发育繁殖。适于人工繁殖的寄主(即红铃虫的饲料)主要有三种,即 Red bollworm is a major pest in cotton production, which has a great impact on the yield and quality of cotton. Our practice over the past few years has proved that the gold bee is stocked and the control of pink bollworm larvae in cotton silos is generally over 70%. Reduce the number of overwintering red bollworm base, reduce one, two, three generations of red bollworm harm has a significant role. First, the feed preparation Little wasp is a living parasitic insects, adult to ovipositor host stabbed, and then the eggs produced in the host surface, by absorbing the host’s nutrition and development and reproduction. Host suitable for artificial reproduction (ie pink bollworm feed) There are three main, namely