1965年5月我们在文登县界石公社调查苗圃害虫时,发现有两个大队苗圃所育国槐(Sophora japonica)和刺槐(Robinia pseudoacacia)的幼苗遭受土壤根蛆为害。经鉴定主要有两种:葱蝇(Hylemyia antiguaMeigen)和种蝇(Hylemyia platura Meigen)的幼虫。 国槐、刺槐幼苗受害期一般是从出土开始至第二片羽状复叶长出,以后随着苗木的木质化而不再受害。土壤根蛆只为害苗木地下幼嫩的根茎部分,由下而上 In May 1965, when we investigated nurseries and pests in Jingshi Commune, Wendeng County, we found that the seedlings of Sophora japonica and Robinia pseudoacacia in two brigades’ nurseries were damaged by soil root maggot. There are two main types of identification: larvae of Hylemyia antiguaMeigen and Hylemyia platura Meigen. Sophora japonica, locust seedling damage period is generally unearthed from the beginning to the second pinnate leaves grow, and later with the lignification of seedlings and no longer victims. Soil root maggots only nursery stock root tender young underground parts, from the bottom up