Biocontrol introduction

Target pest: Epiphyas postvittana (Lepidoptera: Tortricidae), light brown apple moth

Agent introduced: Diadegma sp. (Hymenoptera: Ichneumonidae)

Imported:

1967, 1969

Import source:

Australia

Import notes:

Cameron et al. (1989) - parasitised E. postvittana larvae were collected in eastern Australia and Tasmania in 1967 and 1969 and imported into quarantine at Nelson. Two Diadegma sp. emerged in 1967; 340 emerged in 1969, of which 250 were directly released.

Released:

1969

Release details:

Cameron et al. (1989) - in 1969, 250 adults were released into field cages at Nelson.

Establishment:

Cameron et al. (1989) - there is no evidence that Diadegma sp. has established.

References

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.