豆秆蝇是一种重要害虫,就闽北的秋大豆而言,百分之百的豆株都有被害。过去都认为豆秆蝇以蛹在豆秆里面越冬,因此把豆秆烧掉,或是把豆秆粉碎作为猪的饲料,或是用豆秆垫圈,以为这样可以灭虫、养猪、积肥,一举数得。但是,最近我们在沙县和光泽县几个地方对豆秆进行剥查,发现豆秆里面的豆秆蝇蛹几乎全部都被寄生蜂寄生,在豆秆里面越冬的不是豆秆蝇蛹,而是它的天敌。因此,如何处理豆秆,值得重新考虑。我们调查的结果如下:调查日期地点豆的类别豆株数被寄生豆秆 Bean flies fly is an important pest, on the northern part of autumn soybean, 100% of the beans have been killed. In the past that the flies in the pupate pupate in the winter inside the straw, so the burned bean stalk, or crushed straw as a pig feed, or with straw stalks, thought it can pest control, pigs, fertilizer, In one fell swoop. However, we recently inSaxianCounty county and several places on the stalk stripping and found that the stalk inside the stalk fly pupae almost parasitic parasitic insects, winter stalk is not inside the stinkbug fly pupa, but It’s natural enemy. Therefore, how to deal with bean stalks, it is worth reconsidering. The results of our survey are as follows: Date of survey Location Beans Category Beans Strain parasitic stalks