Target pest: Listronotus bonariensis (Coleoptera: Curculionidae), Argentine stem weevil
Agent introduced: Anaphes atomarius (Hymenoptera: Mymaridae)
Import source: Argentina
Release details: Releases were made at Nelson, Lincoln (Canterbury) and Waikato
Establishment: Field releases failed to establish as a result of being unable to overwinter.
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.