Target pest: aphids (Hemiptera: Aphididae)
Agent introduced: Harmonia dimidiata (Coleoptera: Coccinellidae)
Import source: Swat, Pakistan
Release details: At Lincoln, Canterbury, adults and several thousand eggs were released in 1974. In 1975 and 1976 releases were made at Keri Keri, Auckland, Tauranga, Palmerston North, Woodhill, Nelson and Canterbury
Establishment: Overwintering aggregations were found at Lincoln in 1975 and 1976 but establishment failed.
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.