Landscape context does not constrain biological control of Phenacoccus manihoti in intensified cassava systems of southern Vietnam

•Asia’s cassava mealybug populations are suppressed following A. lopezi introduction.•Mealybug incidence, but not abundance, is highest in high-diversity settings.•Parasitism is unaffected by landscape context.•Hyperparasitism is enhanced in diverse settings at particular crop age.•Parasitoid density dependency is more pronounced in low-diversity settings.