Target pest: Panonychus ulmi (Acariformes: Tetranychidae), European red mite
Agent introduced: Hyaliodes harti (Hemiptera: Miridae)
Nova Scotia, Canada
Cameron et al. (1989) - Hyaliodes harti was imported from Nova Scotia, Canada in 1966.
Cameron et al. (1989) - fifty female and 83 male H. harti [presumably imported individuals] were released on caged trees.
Cameron et al. (1989) - eggs were laid by released females but nymphs did not hatch in 1967. Failure to establish was attributed to relatively high winter temperatures.
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.