His brother, Al, says the victim was using a riding mower and stirred up the bees when he went over an area that had been covered by a rubber mat.
Al Braun told the Waco Tribune-Herald that his brother frantically phoned him for help, and he called police on his way to the scene.
Paramedics pulled out more than 150 stingers, and additional stingers were removed at the hospital.
An exterminator later determined that the bees were a cross between domestic bees and the aggressive Africanized or so-called "killer" bees.
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