Penman, D.R. 1984 Deciduous tree fruit pests.. New Zealand Pest and Beneficial Insects. Lincoln University College of Agriculture Canterbury, New Zealand 373 pp.

Notes: A brief review of about 15 insects including unspecified mealybugs, Lepidosaphes ulmi, Parlatoria pittospori, Quadraspidiotus ostreaeformis and Q. perniciosus.