Georgala, M.B. 1983 Control of the red scale Aonidiella aurantii (Mask.) Hemiptera: Coccidae) with narrow distillation range oil sprays.. Proceedings of the Fourth Entomological Congress, held in Johannesburg, 6-8 September 1983. Entomological Society of Southern Africa Pretoria, Republic of South Africa 77 pp.
Notes: [Abstract only] The development of resistance to organophosphates by the red scale Aonidiella aurantii resulted in oil sprays becoming preferred treatments for its control. Extensive field trials were conducted to compare the efficacy of several grades of oil sprays.