Target pest: Tetranychus urticae (Acari: Tetranychidae), two-spotted spider mite
Agent introduced: Blepharidopterus angulatus (Hemiptera: Miridae)
Import source: England
Release details: 107 females and 120 males released at Nelson
Establishment: Established at release site but did not persist
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.