Important natural enemies include the predatory lady beetles ( Coleoptera : Coccinellidae ) , hoverfly larvae ( Diptera : Syrphidae ) , and lacewings ( Neuroptera : Chrysopidae ) , and entomopathogenic fungi like Lecanicillium lecanii and the Entomophthorales . Natural enemies include predatory ladybirds , hoverfly larvae , parasitic wasps , aphid midge larvae , crab spiders , lacewings and entomopathogenic fungi like Lecanicillium lecanii and the Entomophthorales .