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Biocontrol introduction

Target pest: Costelytra zealandica (Coleoptera: Scarabaeidae), grass grub

Agent introduced: Rhagigaster comparatus (Hymenoptera: Tiphiidae)

Imported: 1948-49

Import source: Victoria, Australia

Release details: 103 released

Establishment: No recoveries recorded.

References

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.