Target pest: Austrosimulium ungulatum (Diptera: Simuliidae), West Coast black fly
Agent introduced: Cardiocladius australiensis (Diptera: Chironomidae)
Import source: Canberra, Australia
Release details: 196 larvae released into the Maitai River, Nelson in January and 581 larvae and 19 pupae in May 1932
Establishment: Not recovered
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.