ing plagued by the horrifying parasites. To date, 74 animal cases have been identified in the US since the flies re-invaded the country in June.

The flies lay hundreds of eggs in wounds and moist orifices of animals, and the resulting voracious maggots feast on their victims. The maggots resemble screws and tortuously bore and twist into living flesh, causing severe, sometimes fatal wounds, before dropping to the ground to develop into adults.

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