Takagi, S. 2019 Chionaspis in the tropics (Sternorrhyncha: Coccoidea: Diaspididae). Insecta Matsumurana (New Series) 75: 29–79
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Notes: Thirteen species of Chionaspis are described, 12 from Malaya and Sabah and one from Luzón. They are deemed to be new to science, but one of them is not formally named. The females of five species, and possibly also of two others, occurring on fagaceous trees burrow under the upper epidermal layer on the lower surface of leaves, having the macroduct system remarkably incomplete. At least one species occurring in Malaya on fagaceous plants is closely related to three species inhabiting the Himalayas.
