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Biocontrol introduction

Target pest: Pineus laevis (Hemiptera: Adelgidae), pine twig chermes, pine woolly aphid

Agent introduced: Diomus pumilio (Coleoptera: Coccinellidae)

Imported: 1936

Import source: Australia

Release details: Initially held in an insectary at Nelson (Cawthron Institute). Unknown if releases were made

Establishment: Diomus pumilio has not been recorded in New Zealand


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.