Takagi, S. 1981 The genus Megacanthaspis, a possible relic of an earlier stock of the Diaspididae (Homoptera: Coccoidea).. Insecta Matsumurana (New Series) 25: 1-43.

Notes: Position and significance of the genus; M. leucaspis and M. langtangana n. spp.; n. comb.; key to and relationship among species; tables for morphological characters of species.