东北大黑金龟子是主要的地下害虫之一。近几年来在黑龙江省鸡西矿务局所属各林场苗圃经常发生,并造成一定的损失。为确保苗木丰产,保证单位造林的苗木之需,进行了呋喃丹颗粒剂防治害虫的试验,现将结果报道如下: 东北大黑金龟子习性简述东北大黑金龟子属于完全变态地下害虫之一。在鸡西地区两年完成一个世代,以2—3龄幼虫和成虫在土壤中越冬。越冬幼虫五月末六月初出土为害,六、七月为危害高峰期,七月上旬开始化蛹,七月末八月初羽化为成虫,当年不出土,随着气温降低逐渐潜入地下越冬,越冬成虫翌春六月初出土, Northeast black beetle is one of the major underground pests. In recent years, the nurseries of various forest farms owned by the Jixi Mining Bureau of Heilongjiang Province often occur and cause some losses. In order to ensure the seedling yield and ensure the afforestation seedlings need, we conducted the experiment of carbofuran granule to control pests. The results are reported as follows: Habit of Northeast black-headed beetle Brief introduction Northeast black-headed beetle is one of the completely abnormal underground pests. One generation was completed in two years in Jixi, with 2-3 instar larvae and adults overwintering in the soil. Overwintering larvae were harvested in late May and early June, and peaked in June and July. They began to pupate in early July and became adults in late July and early August. They were unearthed in the same year and gradually sneaked into the ground for winter as the temperature dropped. Unearthed in early June,