Takagi, S., & Kawai, S. 1966 Some Diaspididae of Japan (Homoptera: Coccoidea).. Insecta Matsumurana (New Series) 28: 93-119.

Notes: Clavaspidiotus and Japaspidiotus n. gen.; 21 new species; further descriptions or notes on other genera and species; several species new for Japan.