Florida is battening down the hatches against a microscopic but devastating enemy. With the New World Screwworm now detected just 125 miles from the United States border, Agriculture Commissioner Wilton Simpson has signed an emergency rule to keep the parasite out of the Sunshine State.
The move targets specific “high-risk” counties in Texas, placing strict new hurdles on any animals crossing state lines into Florida.
The pest, which was wiped out in the U.S. over forty years ago, hasn’t been found on American soil just yet. However, its steady march through Mexico has officials on high alert.
The New World Screwworm is a particularly nasty parasite that preys on warm-blooded creatures, including livestock, pets, and wildlife. It seeks out open wounds to lay eggs, which then hatch into larvae that feed on living tissue.
“Today we are taking aggressive action to further protect Florida and our agricultural producers from the real threat of the New World Screwworm,” Commissioner Simpson said in a statement. He emphasized that the state is prepared to use every available tool to prevent an infestation that could devastate Florida’s agricultural economy.
The new rules focus on six Texas counties: Zapata, Jim Hogg, Starr, Hidalgo, Webb, and Brooks. Any warm-blooded animal coming from these areas must now have an Official Certificate of Veterinary Inspection (OCVI). This isn’t just a standard check-up; the certificate must explicitly state that the animal was inspected and found free of screwworm larvae. Furthermore, these documents are only valid for seven days, leaving a very small window for transport.
Animals with existing wounds face even tougher scrutiny. To enter Florida, these animals must be treated with specific oral or topical medications overseen by a vet. These treatments have to happen within a strict timeframe—no less than 12 hours for internal meds and 72 hours for topical ones—before the animal hits the road.
While the Florida Department of Agriculture and Consumer Services (FDACS) is coordinating with federal partners, they are also leaning heavily on the public. Farmers, vets, and pet owners are being told to watch for slow-healing wounds or unusual larvae. Since the screwworm thrives in warm climates, Florida’s environment is a prime target if the pest manages to hitch a ride across the border.
State officials are urging anyone who sees something suspicious to report it immediately. For now, the goal is a total shutout, keeping a destructive piece of history from repeating itself.
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