Target pest: Tetranychus urticae (Acari: Tetranychidae), two-spotted spider mite
Agent introduced: Anthocoris musculus (Heteroptera: Anthocoridae)
Import source: Nova Scotia, Canada
Release details: 400 individuals released at two sites in Nelson district
Establishment: Did not establish
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.