Target pest: Chromatomyia syngenesiae (Diptera: Agromyzidae) = Phytomyza atricornis, leaf miners
Agent introduced: Chryrsocharis sp. (Hymenoptera: Eulophidae) = (probably C. pubicornis (Zetterstedt))
Import source: Pakistan
Release details: 177 definitely released at Ashburton, Mid-Canterbury, but confusion surrounds identification of wasps from early introductions which may have been confused with Hemiptarsenus semialbiclavus.
Establishment: Does not appear to have established.
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.