Definition of aphid in English:



  • A small bug which feeds by sucking sap from plants; a blackfly or greenfly. Aphids reproduce rapidly, sometimes producing live young without mating, and large numbers can cause extensive damage to plants.

    Superfamily Aphidoidea, suborder Homoptera

    • ‘The gardener's friend, the busy little ladybird helps by eating aphids and greenfly.’
    • ‘Keep a look out for aphids on tender young growth or on plants that are stressed and unhappy.’
    • ‘As a group, aphids attack a plant by sucking its fluids from tender new growth.’
    • ‘Using an oil spray will get rid of aphids, lacebugs and spider mites quickly.’
    • ‘Sap-sucking insects such as aphids carry viruses between plants.’


Late 19th century: back-formation from aphides, plural of aphis.