LOXAHATCHEE, FL - FEBRUARY 15: A honey bee sits on a cucumber plant's flower on February 15, 2007 in Loxahatchee, Florida. There is concern among beekeepers and researchers about a recent upsurge in honey bee colonies dying. The unexplained illness, researchers say, remains a mystery that threatens the pollination industry and honey production. Getty Images logo Getty Images 60 months ago

LOXAHATCHEE, FL - FEBRUARY 15: A honey bee sits on a cucumber plant's flower on February 15, 2007 in Loxahatchee, Florida. There is concern among beekeepers and researchers about a recent upsurge in honey bee colonies dying. The unexplained illness, researchers say, remains a mystery that threatens the pollination industry and honey production.