Honey Bee Nutrition and Health Dynamics

Honey bees rely on a finely balanced intake of nectar and pollen to meet their energetic, protein and lipid requirements. Pollen provides essential amino acids and fats necessary for brood rearing, gland development and immune function, while nectar supplies carbohydrates to fuel foraging and thermoregulation. Diet diversity supports colony resilience by buffering against seasonal and spatial fluctuations in floral resources, and by enhancing physiological markers of health such as fat body reserves and stress-response pathways. Landscape composition and management practices—from migratory pollination schedules to the provision of semi-natural habitats—profoundly influence the availability and quality of forage, with direct consequences for oxidative damage, longevity and overwinter survival. Understanding the interplay between nutritional ecology, individual physiology and colony-level performance is critical for sustaining pollination services, safeguarding global food security and guiding habitat-restoration strategies.

Research from Nature Portfolio

Recent studies have shown that long-distance transport of hives for commercial pollination shortens worker lifespan and elevates markers of oxidative stress, effects that are exacerbated by limited forage and partially mitigated by abundant floral resources. In a complementary approach, experiments manipulating landscape composition have demonstrated that the inclusion of flowering catch crops and nearby semi-natural habitats significantly increases fat body mass and vitellogenin levels in worker bees. These physiological improvements translate into higher overwinter survival rates, underscoring the joint importance of management intensity and habitat enrichment in bolstering colony health.

Honey Bee Nutrition and Health Dynamics publication trend

The graph below shows the total number of articles in honey bee nutrition and health dynamics across all publications each year (not limited to Nature Index journals).

Technical terms

Oxidative stress: Cellular damage caused by accumulation of reactive oxygen species when antioxidant defenses are overwhelmed.

Vitellogenin: A yolk-precursor protein that also functions in immunity, antioxidant defence and lifespan regulation in honey bees.

Corbicular pollen: Pollen pellets packed on the hind legs of foraging bees for transport to the hive.

Beebread: Fermented mixture of pollen and nectar stored in the hive, serving as a primary protein source.

Catch crops: Flowering plants sown between main crops to provide additional forage and improve landscape floral diversity.

References

1. Introducing Pollenyzer: An app for automatic determination of colour diversity for corbicular pollen loads. Smart Agricultural Technology (2023).
2. Beekeeping and agropastoralism interactions through floral resources in the French Mount Lozère. Agronomy for Sustainable Development (2024).
3. Land use changes associated with declining honey bee health across temperate North America. Environmental Research Letters (2023).
4. Migratory management and environmental conditions affect lifespan and oxidative stress in honey bees. Scientific Reports (2016).
5. A ‘Landscape physiology’ approach for assessing bee health highlights the benefits of floral landscape enrichment and semi-natural habitats. Scientific Reports (2017).