This paper treats two genera Alamella Agarwal and Cryptanusia Girault, which belong to the subfamily Tetracneminae in the family Encyrtidae. Alamella maai Noyes Hayat and Cryptanusia taiwanus Chen Chen are described and photomicrographs are provided to illustrate morphological characters of the species. These two species are only known from Taiwan, China, which are new records to Chinese mainland.
