S. Wu, N. Nan, P. Gullan, and J. Deng, “The taxonomy of the Japanese oak red scale insect, Kuwania quercus (Kuwana) (Hemiptera: Coccoidea: Kuwaniidae), with a generic diagnosis, a key to species and description of a new species from California”, Zootaxa, vol. 3630, no. 2, pp. 291–307, Mar. 2013.