Target pest: Epiphyas postvittana (Lepidoptera: Tortricidae), light brown apple moth
Agent introduced: Brachymeria phya (Hymenoptera: Chalcididae)
Cameron et al. (1989) - parasitised E. postvittana pupae were collected in eastern Australia and Tasmania in 1967 and 1969 and imported into quarantine at Nelson. Sixty-seven B. phya emerged in 1967, of which 50 were directly released; 266 emerged in 1969, of which 200 were directly released. It was cultured successfully and reared individuals were also released.
Cameron et al. (1989) - in 1967, 50 adults were released into field cages at Appleby, near Nelson. In 1969, 200 adults were released into field cages at Appleby and Nelson. Releases were also made at Christchurch, Auckland, Hamilton and Tauranga.
Cameron et al. (1989) - established at Nelson during 1968-73 but has not been recorded from field collections since 1975.
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.