Definition of greenfly in US English:



  • A green aphid which is a common pest of crops and garden plants.

    Several species in the family Aphididae

    • ‘Wipe greenfly off plants with your fingers or spray plants with soft soap or a pesticide containing pirimicarb.’
    • ‘Fortunately ladybirds love to eat greenfly and they can help the gardener to control them without having to use chemical sprays which can also kill helpful insects.’
    • ‘Ladybirds are well known predators of greenflies and other aphids.’
    • ‘For safe and effective control of greenfly a range of products can be used.’
    • ‘Natural enemies of greenflies are ladybird larvae, hoverfly larvae, gall-fly larvae, lacewings and earwigs.’