Target pest: Muscina stabulans (Diptera: Muscidae), muscid flies
Agent introduced: Muscidifurax raptor (Hymenoptera: Pteromalidae) = Muscidifurax zaraptor Kogan and Legner, Muscidifurax uniraptor, Kogan and Legner
Import source: CIBC Trinidad
Released: 1969 and 1970
Release details: 85,000+ released nationwide in 1969-1970 but predominantly in northern North Island
Establishment: M. uniraptor is established in Hawke's Bay at least where it emerged from pupae of Fannia canicularis
Impacts on target: Unknown
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.