The United States said on Thursday that the New World screwworm (NWS) fly, a dangerous livestock pest whose flesh-eating larvae can kill cattle, has been detected in a calf in south Texas.

The Department of Agriculture flagged a possible case of New World Screwworm or NWS in South Texas, sparking fears about the flesh-eating fly coming to the US.

The U.S. Department of Agriculture has confirmed that the New World screwworm fly has arrived in south Texas.

The flesh-eating larvae has threatened the nation's cattle industry