Steyn, J.J. 1959 Ant protection and citrus scales at Letaba, South Africa.. Proceedings of the IVth International Congress of Crop Protection (Hamburg, September 1957) 1: 899-902.

Notes: Aonidiella aurantii is the scale species attended by these ants. Experiments on ant control methods included discing, vegetal cover, increased humus content, eradication of ant nests by chemical means and other mechanical methods.