Kuwana, S.I. 1926 The diaspine Coccidae of Japan. IV. Genera Cryptoparlatoria, Howardia, Sasakiaspis [n. gen.] Diaspis, Aulacaspis, Pinnaspis and Prontaspis.. Department of Agriculture and Commerce, Bureau of Agriculture, Injurious Insects and Pests. Japan 4: 1-44.

Notes: Descriptions and keys for 18 diaspidids, 2 new.