Based on a preliminary collection of Mymaridae (Hym.: Chalcidoidea) from 22 provinces of China, the diagnostic characters, illustrations, distribution and hosts of the known 19 genera are keyed.

• 根据采自我国22个省(市)、自治区的缨小蜂标本，初步研究分出19属.；以检索表的形式简介它们的主要鉴别特征、分布和寄主情况，为进一步的调查提供参考