Korobitsin, V.G. 1967 Contribution to the biology of some soft and armored scales injuring ornamental plants on the South Crimea Coast and measures for their control.. Pests and Diseases of Fruit and Ornamental Plants. Trudy Gosudarstvennogo Ordena Trud. Znameni Nikitskogo Botanicheskikh Sadov 39: 175-218.

Notes: Description and biology of four species.