Gabritschevsky, E. 1923 Postembryonale Entwicklung, Parthenogenese und "Pedogamie" bei den Schildläusen (Coccidae). [Postembryonic development, Parthenogenesis and "Pedogamie" of the scale insect (Coccidae).].. Revue Zoologique Russe (Ruskii Zoologicheskii Zhurnal) 3: 295-332.

Notes: Conclusions based on study of Aspidiotus nerii.