Catling, H.D. 1971 Studies on the citrus red scale, Aonidiella aurantii (Mask.), and its biological control in Swaziland.. Journal of the Entomological Society of Southern Africa 34: 393-411.

Notes: Review of previous experiments in biological control of this scale in Swaziland; two promising exotic natural enemies, the coccinellid Chilocorus cacti and the encyrtid Comperiella bifasciata are supplementing the inadequate indigenous complex in the Lowveld region.