Performance was quantified as the total population sizes (including eggs and mobile stages) 10 days after the initial inoculation using 35 female mites. The T. urticae London mite strain and the following plant cultivars were used; bean: Phaseolus vulgaris L. cv ‘Prelude’, cucumber: Cucumis sativus L. cv ‘Tanja’, tomato: Solanum lycopersicum L. cv ‘Moneymaker’ and bell pepper: Capsicum annuum L. cv ‘California Wonder’
