Huffaker, C.B., Luck, R.F., & Messenger, P.S. 1976 The ecological basis of biological control.. Proceedings of XV International Congress of Entomology (Washington, D.C., August 19-27, 1976). Entomological Society of America College Park, MD 824 pp.

Notes: Icerya purchasi and Parlatoria oleae are mentioned as target pests for biological control projects.