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Biocontrol introduction

Target pest: Megastigmus spermotrophus (Hymenoptera: Torymidae), Douglas fir seed chalcid

Agent introduced: Amblymerus apicalis (Hymenoptera: Pteromalidae) = Mesopolobus spermatrophus Hussey

Imported: 1955, 1956

Import source: Scotland


Cameron PJ, Hill RL, Bain J and 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.