More than a quarter of American honeybee colonies were wiped out over the winter, with deadly infestations of mites and harmful land management practices heaping mounting pressure upon the crucial pollinators and the businesses that keep them. Preliminary figures commissioned by the US Department of Agriculture (USDA) show that 28% of bee colonies in the United States were lost over the 2015-16 winter. More than half of surveyed beekeepers said they suffered unsustainable losses during the winter. Over the year, from April 2015 to March 2016, beekeepers lost 44% of their colonies – the highest annual loss on record. Until six years ago annual figures were not kept as it was assumed colony losses were only suffered during winter, but similar declines are now occurring year-round. “It’s very troubling and what really concerns me that we are losing colonies in summer too, when bees should be doing so well,” […]