Biocontrol introduction
Target pest: Aonidiella aurantii (Hemiptera: Diaspididae), armoured scales
Agent introduced: Orcus chalybeus (Coleoptera: Coccinellidae) = Halmus chalybus (Boisduval), steel-blue ladybird
No introduction details are currently available.
References
Cameron PJ, Hill RL, Bain J, Thomas WP (1989). A Review of Biological Control of Invertebrate Pests and Weeds in New Zealand 1874-1987. Technical Communication No 10. CAB International Institute of Biological Control. DSIR Entomology Division. 424p.