顋扁叶蜂亚科(Cephalciinae)昆虫的幼虫以针叶树的针叶为食,常常造成相当严重的损失。因此,这一类昆虫是相当重要的森林害虫。有关这一类昆虫的研究,国内过去做的不多。本文目的是在把我国已知之顋扁叶蜂亚科昆虫的种类、特征、分布和生物学等,从分类角度出发,做一总的研究。为了节省 Larvae of Cephalciinae insects feed on needles of conifers, often causing considerable losses. Therefore, this type of insect is a very important forest pest. Studies on this kind of insects have done very little in the past in the country. The purpose of this paper is to make a general study of the species, characteristics, distribution and biology of the Hymenoptera insects known in China from a classification point of view. To save