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

U.S. Agriculture Secretary Brooke Rollins announced plans on Wednesday to open a sterile fly dispersal facility in Hidalgo ...

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.

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

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 ...

Colin Woodall, CEO of the National Cattlemen’s Beef Association, says the screwworm, a parasitic pest, is likely to cross the ...

Two Guatemalan pilots and a Mexican agronomist engineer have died after their plane crashed in southern Mexico near the border with Guatemala as they freed sterile flies meant to stop the spread of sc ...

Cherokee County Commissioners approved a resolution Tuesday which supports federal action combating the new world screwworm fly. The item was brought to the attention of the commissioner’s court by ...

The plane was dispersing sterile flies to combat a deadly cattle parasite when it crashed near Guatemala border.

In this opinion piece, GOP Reps. Frank Lucas and Tony Gonzales argue that establishment of a new sterile fly production ...

A small, pale maggot about a half-inch long could cost New Mexico cattle ranchers greatly if it gets back into the country. One of the state's senators introduced new legislation to combat the New ...

The U.S. subsequently suspended live-cattle imports from Mexico. After this latest news broke, I spoke with Wayne Cockrell, a Texas rancher who fears the screwworm’s return to Texas is now a ...