Definition of warble fly in English:

warble fly

noun

  • A large fly that lays its eggs on the legs of mammals such as cattle and horses. The larvae migrate internally to the host's back, where they form a small lump with a breathing hole, dropping to the ground later when fully grown.

    • ‘He says Britain's mad cow outbreak can be traced to a mid-1980s government policy requiring farmers to apply high doses of a pesticide called Phosmet to their cows to kill warble fly larvae.’
    • ‘His research began by linking outbreaks of the disease with the compulsory application of organophosphate pesticides, used to prevent warble fly infestation in cattle.’
    • ‘The warble fly lays eggs on cattle in the Spring and Summer, and the larvae enter the animal to migrate through it.’
    • ‘The Minister for Agriculture today alerted farmers that cattle, particularly those which may have come into the jurisdiction within the past year, could show signs of warble fly.’

Pronunciation

warble fly

/ˈwôrbəl flī/