Biocontrol introduction

Target pest: Panonychus ulmi (Acari: Tetranychidae), European red mite

Agent introduced: Neoseiulus fallacis (Acarina: Phytoseiidae)

Imported: 1972, 1073, 1976

Import source: Michigan, USA

Released: 1973-76

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

References

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.