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Biocontrol introduction

Target pest: aphids (Hemiptera: Aphididae)

Agent introduced: Conwentzia psociformis (Neuroptera: Coniopterygidae)

Imported: 1924

Import source: North America (?)

Released: 1924

Release details: A few cocoons were released at Nelson

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.