De Lotto, G. 1963a New species and a new genus of hard scales from East Africa (Homoptera: Coccidae).. Proceedings of the Royal Entomological Society of London (B) 32: 191-200.

Notes: Saissetia chitonoides and S. orbiculata n. spp.; Udinia n. gen.; U. glabra, paupercula, and scitula n. spp.; key to six species of Udinia.