Target pest: Muscina stabulans (Diptera: Muscidae), muscid flies
Agent introduced: Spalangia endius (Hymenoptera: Pteromalidae)
Import source: CIBC Trinidad
Released: Present in New Zealand prior to release of 1969 importation which was released in 1969 and 1970
Release details: 7,550+ released nationwide in 1969-1970 but predominantly in northern North Island
Establishment: Native species, occurs in northern North Island at Hawke's Bay
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.