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Biocontrol introduction

Target pest: Listroderes difficilis (Coleoptera: Curculionidae), vegetable weevil

Agent introduced: Stethantyx spp. (Hymenoptera: Ichneumonidae)

Imported: 1965

Import source: Argentina and Uruguay via Australia

Released: 1965

Release details: Adults released at Palmerston North

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.