Wearing, C.H., & Boer, J.A. de 2014b Mortality of San José scale (Diaspidiotus perniciosus Hemiptera: Diaspididae) on an apple tree. New Zealand Entomologist 37(2): 107-124
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Notes: San José scale infested 76% of the harvested fruit, demonstrating the current need for chemical intervention to assist biological control and the need to find new ways to improve its role.