Efimoff, A. 1937 . List of Insect Pests in Spain and Portugal. Central Laboratory of Plant Quarantine Administration Moscow 110 pp.

Notes: Scale species listed include Aonidiella aurantii, Chrysomphalus aonidum, C. dictyospermi, Icerya purchasi, Pseudococcus adonidum, Fiorinia fioriniae, Eriococcus araucarie, Lepidosaphes ulmi, L. conchiformis, L. pusilla, Coccus hesperidum, Hemiberlesia camelliae, Diaspis boisduvali, Leucaspis pini, Orthezia urticae and Parlatoria oleae.