Andrés, L.A., & Goeden, R.D. 1971 The biological control of weeds by introduced natural enemies.. Biological Control. Plenum Press New York & London 511 pp.

Notes: [Proceedings of an AAAS Symposium on Biological Control, held at Boston, Massachusetts December 30-31, 1969.] Dactylopius opuntiae was mentioned as the agent for control of prickly pear in California.