Phys.org

Dutch Honeybee Winter Losses Reach 24%, Continuing Four-Year Upward Trend

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%.