LifeLargest ever US honeybee die-off has destroyed 1.6 million coloniesBeekeepers often experience some seasonal losses, but this past winter, more than half of all US honeybee colonies died off, potentially the largest loss in US history 4 April 2025 Honeybees are vulnerable to seasonal die-offsNicholas Klein/AlamyHoneybees in the US may have just experienced their most severe die-off on record, and we dont know exactly why.As of right now, it does look like this is going to be the largest colony loss that weve experienced in at least the last 25 years and probably in US history, says Scott McArt at Cornell University, New York.Beekeepers in the US often experience some colony losses over the winter for instance, about 37 per cent of