Viggiani, G. 1978 Current state of biological control of olive scales.. Bollettino del Laboratorio di Entomologia Agraria 'Filippo Silvestri'. Portici 35: 30-38.

Notes: The complex of scale insects on olive is represented by more than 40 species belonging to the Coccoidea, Margarodidae, Pseudococcidae, Coccidae and Diaspididae; Saissetia oleae, Aspidiotus nerii, Parlatoria oleae, S. coffeae, Philippia oleae and Euphilippia olivina are among the most common or worst pests; discussion of recent introductions, mass rearing of parasites and inoculative releases of predators and parasites.