Royer, M. 1966 Développement comparé des individus hermaphrodites et des mâles chez Icerya purchasi (Mask.), Homoptère. [Development compared between hermaphrodites and males of Icerya purchasi (Mask.), Homoptera.]. Bulletin de la Société Zoologique de France 91: 341.

Notes: Hermaphrodism is the most frequent means of reproduction for Icerya purchasi. At high altitudes, however, pure males do appear.