Target pest: Pineus laevis (Hemiptera: Adelgidae), pine twig chermes, pine woolly aphid
Agent introduced: Diomus pumilio (Coleoptera: Coccinellidae)
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.