The U.S. has closed its southern border again to livestock imports, saying a flesh-eating parasite has moved further north in ...

New cases of the New World Screwworms in Veracruz, Mexico have caused the U.S. Department of Agriculture to once again close southern borders to livestock days after reopening them. On ...

The US stopped livestock imports from northern Mexico due to the screwworm fly threat. USDA Secretary Rollins announced border tightening and a $30M sterile fly program.

Adult New World screwworm flies resemble the common blowfly but have multiple distinguishing features.

Should the flies reach the states, the larvae could infest livestock, pets, wildlife and, possibly, even people.

The US president said the 30% tariffs are separate from sectoral ones and could be raised if Mexico retaliates.

Trump’s letter threatened new tariffs on Mexico due to a lack of progress in challenging the country’s drug cartels.

Experts say Camp Mystic’s requests to amend the FEMA map could have been an attempt to avoid the requirement to carry flood ...