by Elizabeth Palermo, Associate Editor | September 11, 2015 02:56pm ET
Bad news for apiphobes: "Killer" bees are on the move in the United States.
Scientists from the University of California, San Diego recently collected hundreds of bees around the Golden State to determine how far north hybrid honeybees, or Africanized bees, have spread since they first arrived in the state in 1994.
They found that Africanized bees — which possess genes from both European and African honeybees — now live as far north as California's delta region (about 25 miles, or 40 kilometers, south of Sacramento). And in the southern part of the state, so-called "killer" bees run the show. About 65 percent of the honeybeesthat buzz around San Diego County have a mix of European and African genes, the researchers found.
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