KERVILLE, Texas (AP) — Two more cases of the New World screwworm have been confirmed in Texas, demonstrating the difficulty of stopping the spread of a pest that could potentially

US farmers and officials are worried about the arrival of screwworm in Texas after a calf was found with the flesh-eating parasite.

A second case of the flesh-eating screwworm parasite has been confirmed in Texas. This new detection is just miles from the first U.S. case in decades. The parasite deposits eggs…