When was colony collapse disorder first reported in the United States?

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Honeybee at work — colony collapse disorder A western honeybee (*Apis mellifera*) forages in Italy.

Colony collapse disorder (CCD) was first reported in the United States in the fall of 2006 by a commercial beekeeper from Pennsylvania who was overwintering his colonies in Florida.12

While the phenomenon gained widespread attention and was formally identified during that period, subsequent investigations indicated that beekeepers had experienced similar unexplained colony losses for at least three years prior, with historical reports of comparable events dating back to the 19th and 20th centuries. By February 2007, numerous large commercial migratory beekeeping operations across the United States had reported significant cases of the disorder.1