Target pest: aphids (Homoptera: Aphididae)
Agent introduced: Coccinella septempunctata (Coleoptera: Coccinellidae)
Import source: Pakistan, Austria
Released: Pakistan 1970-73, Austria 1975-76
Release details: Several thousand were released in Canterbury. In the late 1970's hibernating aggregations on machinery from Europe were detected but attempts to establish populations from these failed
Establishment: This species established temporarily but failed to form permanent populations.
Cameron PJ, Hill RL, Bain J and 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.