Target pest: Chromatomyia syngenesiae (Diptera: Agromyzidae) = Phytomyza atricornis, leaf miners
Agent introduced: Diglyphus sp. nr. Chabrias (Hymenoptera: Eulophidae)
Import source: Pakistan
Release details: In 1969-70, most Diglyphus spp. were released near Nelson and 350 were released near Hamilton. In 1970-71 releases were made near Ashbuirton, Mid-Canterbury (9,113) and Lincoln, Canterbury (768)
Establishment: Not recovered
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.