| Authors(s) | Kuwana, S.I. |
| Year | 1928 |
| Title | The diaspine Coccidae of Japan. V. Genera Chionaspis, Tsukushiaspis (n. gen.), Leucaspis, Nikkoaspis (n. gen.). Ministry of Agriculture and Forestry, Japan Department of Agriculture, Scientific Bulletin 1: 1-39. |