Screwworm detected on farm decades after livestock threat was first eradicated in the United States.

If confirmed, it would be the fly's first breach of the US-Mexico border.

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

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

A case of flesh-eating New World screwworm has been detected in South Texas, the US Department of Agriculture said Wednesday. It is the first time this parasitic fly – whose…

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

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

With the case confirmed, it is the fly's first breach of the US-Mexico border.

A case was confirmed in a calf in La Pryor, Texas, a town about 30 miles (48 km) northeast of the US-Mexico border - a blow to US cattle ranchers.

Agriculture Secretary Brooke Rollins said the case was in a 3-week-old calf in LaPryor, Texas, about 50 miles from the Mexico border

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

The case of New World screwworm was confirmed in a 3-week-old calf in La Pryor, Texas, near the U.S.-Mexico border, Agriculture Secretary Brooke Rollins said late Wednesday.

A flesh-eating parasite that feeds on warm-blooded animals has been detected in the United States for the first time since 1966, exposing the nation's cattle herd to a serious new…

Agriculture Secretary Brooke Rollins said USDA officials detected a screwworm on a three-week-old calf in Texas, near the Mexican border.

The US Department of Agriculture says New World screwworm has been detected in a Texas calf.

Agriculture Secretary Brooke Rollins confirmed the first case of a flesh-eating screwworm fly in the United States in 60 years, threatening livestock.

This was the first case of the parasite found in U.S. livestock since the 1960s

Agriculture Secretary Brooke Rollins said there have been no other detections of the fly in the U.S., and officials were quick to say that while the fly’s larvae are a threat to…

The USDA this week confirmed the first known infection of the carnivorous fly larva, which feast on the flesh of living mammals, after the United States eradicated the nightmare…

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…