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PROTECT POLLINATOR WELL-BEING

Bee Health: Protecting Colonies and Pollinator Communities

Bee health depends on nutritious forage, safe habitat, responsible pest management, careful monitoring, and decisions grounded in evidence.

NutritionHabitatMonitoringResponsible Care

A WHOLE-SYSTEM VIEW

What Does Bee Health Mean?

Healthy bees are able to find diverse food, reproduce, resist or recover from stress, and complete their ecological roles. For managed honey bee colonies, health also includes balanced populations, appropriate brood development, adequate food stores, and manageable pest and disease pressure.

Bee health is not determined by a single symptom. Habitat loss, poor nutrition, parasites, pathogens, pesticide exposure, extreme weather, and management practices can combine and amplify one another.

Honey bees and native bees have different biology and needs. Good pollinator stewardship supports both without treating one species as a substitute for another.
Beekeeper carefully inspecting a honey bee colony for health
Regular, documented inspections help responsible beekeepers recognize change early.

CONNECTED PRESSURES

Seven Factors That Shape Bee Health

1

Nutrition

Diverse pollen and nectar provide energy, protein, fats, vitamins, and minerals.

2

Habitat

Continuous bloom, nesting resources, clean water, and shelter support resilience.

3

Parasites

Varroa mites are a major threat to managed honey bee colonies and can spread viruses.

4

Disease

Viruses, bacteria, fungi, and microsporidia can affect individuals and colonies.

5

Pesticides

Exposure risk depends on toxicity, dose, timing, route, and interaction with other stressors.

6

Climate

Heat, drought, storms, and shifting bloom times can disrupt food and nesting conditions.

7

Management

Hive placement, stocking, transport, treatment, feeding, and recordkeeping influence outcomes.

OBSERVE, RECORD, RESPOND

A Responsible Bee Health Monitoring Cycle

Inspect

Check brood, queen activity, food stores, population, pests, disease signs, and equipment.

Measure

Use validated monitoring methods rather than guessing from appearance alone.

Record

Document dates, weather, findings, actions, and follow-up needs.

Respond

Choose legal, evidence-based actions appropriate to the season and colony condition.

Trained beekeeper monitoring a managed honey bee hive

A MAJOR HONEY BEE THREAT

Varroa Mites: Monitor Before You Treat

Varroa destructor mites feed on developing and adult honey bees and transmit damaging viruses. Colonies can look strong while mite levels are rising, so visual checks alone are not reliable.

  • Use a validated mite-count method on an appropriate schedule
  • Interpret results using current regional guidance and seasonal context
  • Use only legal treatments exactly as labeled
  • Rotate compatible controls to reduce resistance pressure
  • Verify results after intervention

Integrated pest management combines monitoring, cultural practices, biomechanical controls, and carefully selected treatments.

REDUCE AVOIDABLE EXPOSURE

Practical Pesticide Risk Reduction

Use Prevention First

Choose nonchemical controls when practical and treat only when a documented need exists.

Follow the Label

The pesticide label is the law. Respect rates, timing, weather restrictions, and pollinator precautions.

Communicate

Land managers, growers, applicators, and beekeepers can reduce risk by sharing timing and location information.

FOOD THROUGH THE SEASONS

Nutrition and Habitat Are Health Infrastructure

A diverse landscape with overlapping bloom periods helps bees find the carbohydrates and protein they need. Native plants often support a wider range of native bee species while also providing useful forage for honey bees.

  • Plant several species that bloom in spring, summer, and fall
  • Choose plants suited to local soil, rainfall, and climate
  • Provide clean, shallow water with safe landing surfaces
  • Leave some stems, leaf litter, and bare soil for native bee nesting
  • Avoid unnecessary pesticide use on flowering plants
Diverse flowering pollinator habitat supporting bee health

DIFFERENT BEES, DIFFERENT NEEDS

Honey Bee Health and Native Bee Health

Managed Honey BeesNative Bees
Live in perennial social colonies managed in hivesMost species are solitary and nest in soil, stems, wood, or cavities
Health monitoring includes colony-level brood, food, queen, mite, and disease assessmentProtection focuses strongly on habitat, nesting sites, plant diversity, and exposure reduction
Can be moved and concentrated for pollinationUsually remain closely tied to local habitat and seasonal resources
Responsible management reduces disease and resource pressureConservation requires protecting diverse local species, including sweat bees and other small native bees

TAKE THE NEXT STEP

Programs That Strengthen Bee Health

BEE HEALTH FAQ

Common Bee Health Questions

What is the biggest threat to honey bee colonies?

Threats interact, but Varroa mites and the viruses they transmit are among the most serious challenges for managed honey bee colonies.

Can I tell whether a colony is healthy by watching the entrance?

Entrance activity provides clues but cannot replace an appropriate internal inspection and validated pest monitoring.

Are all pesticides equally risky to bees?

No. Risk varies with the active ingredient, formulation, dose, exposure route, timing, weather, and whether plants are blooming.

Does planting flowers really help?

Yes, especially when plantings provide diverse, pesticide-conscious bloom across multiple seasons and include locally appropriate native species.

Should I feed a honey bee colony?

Supplemental feeding can be useful in specific circumstances but is not a substitute for healthy habitat. Decisions should reflect colony need, season, and regional guidance.

How can non-beekeepers support bee health?

Plant diverse flowers, protect nesting habitat, reduce unnecessary pesticide use, support responsible beekeepers, and share evidence-based information.

HEALTH STARTS WITH HABITAT AND RESPONSIBLE CARE

Help Bees Thrive Where You Live

Small, informed actions can improve forage, reduce exposure, and strengthen the people and programs caring for pollinators.