After decades of eradication – the New World screwworm has once again spread through several countries in Central America.

Screwworm parasites primarily infect livestock, but human cases have risen in Central America after the pests escaped ...

USDA suspended the import of live cattle, bison and horses through U.S. ports of entry along the southern border as of May 11 ...

The flesh-eating The flesh-eating New World screwworm fly is spreading north through Central America toward the US after decades of eradication. Learn why it's returning and what's being done to stop ...

It’s no longer a question of whether we’ll see a return of New World screwworm in the U.S.—but a matter of when. That’s according to Colin Woodall, CEO of the National Cattlemen’s Beef Association (NC ...

In response to the continued expansion of screwworm flies into southern Mexico, the U.S. suspended live animal imports from Mexico on May 11, 2025, halting imports of feeder cattle from Mexico.

New World screwworms used to be a constant concern for ranchers, until they were eradicated from the U.S. in the 1960s. Now ...

USDA and Mexico announce $21 million investment to combat New World screwworm as cattle experts closely watch developments.

Entomologists got rid of screwworms by using nuclear radiation to sterilize millions of male screwworms in a lab, which were ...

Texas rancher Donnell Brown joins us to share his concerns over threats of New World Screwworm to the cattle industries in ...

New World Screwworm spreads from Mexico, prompting US cattle import ban. This threatens beef supply and could drive prices higher during the 2025 summer season.

An investigation is underway after rumors began swirling about New World Screwworm being found in Missouri, according to the ...