Bedford, E.C.G. 1989a Red Scale on Citrus.. Farming in South Africa, Citrus H.2. Dept. of Agriculture & Water Supply Pretoria, South Africa 4 pp.

Notes: Abstract: Review of Aonidiella aurantii; citrus hosts; economic importance; damage; life cycle; seasonal incidence; dispersion; natural enemies; biological & chemical control. Keywords: biological control; biology.