Podsiadlo, E. 1997 Morphology of the first instar of Quadraspidiotus zonatus (Frauenfeld) (Homoptera, Coccinea, Diaspididae).. Annales Zoologici (Warsaw) 46: 193-200.

Notes: Descriptions and illustrations; hosts include Quercus, Fagus, Juglans and Fraxinus.