Cullen, J. 1995 Predicting effectiveness: Fact and fantasy.. Proceedings of the VIII International Symposium on Biological Control of Weeds. DSIR/CSIRO Melbourne 735 pp.

Notes: [Conference held at Lincoln University, Canterbury, New Zealand, 2-7 February 1992.] Dactylopius austrinus, D. ceylonicus and D. opuntiae are included in a list of biological control agents associated with weeds.