Target pest: Chrysodeixis eriosoma (Lepidoptera: Noctuidae), green looper or silver y moth
Agent introduced: Microplitis sp. (Hymenoptera: Braconidae) = Microgaster sp.
Imported: Naturally occurring
Establishment: Throughout North Island and as far south as Christchurch
Impacts on target: Found infrequently, but significant rates of parasitism are sometimes recorded.
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.