Even though the U.S. eradicated the flesh-eating parasite the New World Screwworm six decades ago, its survival to the south ...

When the pupa has transformed into an adult and is ready to hatch, it chews its way through the case and swims to the water’s surface. For fly anglers, the key word there is “swim.” ...

According to the APHIS, the U.S. Department of Agriculture successfully eradicated the NWS parasite in 1966 by releasing sterile male flies and pupae that eventually led to infertile screwworm flies.

The USDA eradicated the NWS parasite in 1966 by releasing sterile male flies and pupae to eventually lead to infertile screwworm flies, according to the USDA's Animal and Plant Health Inspection ...

Here in the U.S., the Agriculture Department eradicated the NWS parasite in 1966 by releasing sterile male flies and pupae to eventually lead to infertile screwworm flies, according to the USDA's ...