食蚜蝇在黑龙江省东部的落叶松、红松人工林内均有分布,是影响蚜虫数量变动的重要因素,对控制蚜虫的为害有明显作用,目前,国内尚无系统报道。为丰富我国森林昆虫资原、弄清本科昆虫的种类及分布、益虫部分重要种的发生发展规律,为应用提供依据,自1978年以来,进行了室内饲养、野 Hoverfly was distributed in larch and Korean pine plantations in the eastern part of Heilongjiang Province. It was an important factor that affected the change of aphid population. It had a significant effect on the control of aphids. At present, there is no systematic report in China. In order to enrich the forest insect resources in our country, it is necessary to find out the types and distribution of undergraduate insects, the occurrence and development of some important species of beneficial insects, and provide basis for their application. Since 1978,