Target pest: aphids (Hemiptera: Aphididae)
Agent introduced: Sympherobius californicus (Neuroptera: Hemerobiidae)
Imported: pre 1896
Import source: North America
Release details: Probable that they were released but no records exist
Establishment: Not 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.