Biocontrol introduction
Target pest: Costelytra zealandica (Coleoptera: Scarabaeidae), grass grub
Agent introduced: Thynnoides laeviceps (Hymenoptera: Tiphiidae) = see T.rufithorax
No introduction details are currently available.
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.