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Almost a quarter of Dutch bee colonies did not survive last winter

During the winter of 2025–2026, 24% of Dutch honeybee colonies were lost. The upward trend observed in recent years therefore continues. This is the fourth consecutive year in which winter mortality has exceeded 20%. The figures are based on the annual survey of Dutch beekeepers. The results show substantial regional differences. Groningen recorded the highest winter losses, at 41.5%, while Overijssel had the lowest figure, at 16.9%.