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 livestock production, they don’t infest food.

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