Target pest: Panonychus ulmi (Acari: Tetranychidae), European red mite
Agent introduced: Neoseiulus fallacis (Acarina: Phytoseiidae)
Imported: 1972, 1073, 1976
Import source: Michigan, USA
Release details: Released at Appleby and in Canterbury
Establishment: Established in Canterbury
Impacts on target: Appears to have little impact on P. ulmi. Numbers are more closely correlated with Tetranychus urticae
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.