Screwworm outbreak in Florida deer marks first U.S. invasion of the parasite in 30 years, Washington Post, Oct 4, 2016
“Unlike most barnyard flies, its larvae feed on living tissue,” the New York Times wrote in 1977. “They can kill a fully grown steer in 10 days. Last year, they infested and killed an elderly woman in San Antonio who could not get help nor care for herself.”