🐝 The Swarm Scene: Why Honey Bees Swarm and What to Do About It

Understandng Honeybee swarms

🐝 The Swarm Scene: Why Honey Bees Swarm and What to Do About It

By Mark Vanderende | The Foraging Bee

Spring is in the air, flowers are blooming, and if you're lucky (or surprised!), you might witness one of nature's most remarkable events β€” a honey bee swarm.

But before you panic or start Googling β€œhow to get rid of a bee cloud,” take a deep breath. Swarms are not only natural β€” they’re essential to the lifecycle of a thriving honey bee colony.

🌿 What Is a Swarm, Anyway?

A swarm is how a honey bee colony reproduces itself at the colony level. Think of it as a giant family road trip β€” about half the bees, including the old queen, pack up and leave the hive in search of a new home. This natural phenomenon typically occurs in the spring and early summer, during peak nectar flow.

It may look intense β€” thousands of bees buzzing mid-air or hanging in a cluster on a branch β€” but here’s the buzz: swarms are usually docile. Their bellies are full of honey, and they have no brood or hive to defend.

πŸ”¬ The Science Behind the Swarm

So, why do bees swarm in the first place? It comes down to overcrowding and survival.

Here are the key triggers:

1. Colony Congestion

When the hive gets crowded, communication becomes challenging, and queen pheromones β€” which help regulate colony behavior β€” don’t reach all the bees. The colony senses it’s time to grow beyond its current box.

2. Queen Pheromone Levels

The queen's scent, or pheromones, suppress the instinct to raise a new queen. As her pheromone levels weaken (often with age or population growth), workers may begin raising new queen cells.

3. Abundant Resources

A strong nectar flow gives bees the confidence to split. With plenty of food and workforce, the colony can afford to send out a new group to start fresh.

πŸ‘€ Signs a Hive Is About to Swarm

As a beekeeper, recognizing the warning signs of an imminent swarm can help you act before your bees take off. Here’s what to watch for:

  • πŸ—οΈ Swarm Cells (queen cells at the bottom of frames)

  • πŸ‘‘ Slimmed-down Queen or reduced queen sightings

  • 🚫 Backfilled Brood Nest (honey/nectar where brood should be)

  • 🌑️ Bearding or Festooning Bees hanging outside the hive

  • 🐝 Sudden Drop in Foraging followed by mass departure

If you're seeing these signs, consider splitting the colony or using checkerboarding techniques to give them space and delay the swarm impulse.

🐝 What Happens During a Swarm?

Here’s how it typically goes down:

  1. Preparation Phase
    Workers raise multiple queen cells. The old queen is slimmed down so she can fly, and a portion of the colony prepares to leave.

  2. Lift Off
    On a warm midday, thousands of bees pour from the hive in a swirling mass. They usually settle nearby on a branch, fence, or structure.

  3. Scout Bees Get to Work
    While the swarm clusters, scouts search for a new home. They communicate options through waggle dances until the colony reaches consensus and relocates together.

🐝🐝 Did You Know? Multiple Swarms Can Happen

The first swarm that leaves with the old queen is called the primary swarm β€” but that’s not always the end of the story.

πŸ”„ What Are Afterswarms?

If more than one queen cell hatches inside the original hive β€” and population pressure remains high β€” additional swarms may follow, called afterswarms.

These contain:

  • A virgin queen

  • A smaller group of bees

  • Less commitment to clustering (they move fast!)

❓Why Do Afterswarms Occur?

  • Multiple queens hatch and don't fight

  • Swarm cells weren’t removed in time

  • The colony remains crowded or highly stimulated by nectar flow

Afterswarms may continue for days or even weeks, leaving your hive severely weakened if not managed.

πŸ‘€ Found a Swarm? Here’s What to Do:

Don’t reach for the bug spray! Here’s a safer, smarter approach:

βœ… DO:

  • Keep calm and observe from a safe distance.

  • Call a local beekeeper or swarm removal service (like yours truly!). Most will rehome them for free.

  • Snap a photo to help with identification and removal.

🚫 DON’T:

  • Spray or swat the bees.

  • Try to trap or contain them yourself if untrained.

  • Assume they’re dangerous β€” they’re full of honey and focused on relocation, not defense.

🧰 Methods of Capturing a Swarm

Capturing a swarm is often exhilarating and incredibly satisfying. Here's how it’s done:

πŸͺ£ 1. Shake & Drop

Perfect for low-hanging branches. Place a box underneath, give a firm shake, and let the bees drop in.

🧹 2. Bee Brush or Sweep

For walls or flat surfaces. Use soft strokes to gather the bees gently into a container.

πŸ“¦ 3. Box & Lure

Set out a bait hive with swarm lure. Sometimes bees move in without any handling.

πŸͺœ 4. Bucket on a Pole

Ideal for high swarms. A pole-mounted bucket lets you collect bees from trees or roofs safely.

🚚 5. Let Them Cluster

If the swarm is still in flight, wait until it clusters β€” then collect with care.

🧰 Essential Tools for Swarm Catching

Beekeepers: having the right gear on hand makes all the difference. Here's your swarm toolkit:

  • 🧲 Nuc box or hive box with drawn comb or lure

  • πŸͺœ Ladder for high-access locations

  • πŸͺ£ Swarm bucket or pole with container attachment

  • πŸ’¨ Smoker (optional, for calming returners)

  • 🧹 Bee brush or feather

  • πŸ‹ Swarm lure (lemongrass oil or pheromone bait)

  • πŸŽ’ BeeVac for enclosed or hard-to-reach swarms

  • 🧀 Protective gear β€” veil, jacket, gloves

  • πŸ“Έ Phone or camera to document and locate the queen

🏑 Where Do Swarms Go If Left Alone?

If no beekeeper steps in, a swarm will eventually relocate to a cavity β€” often a tree hollow, chimney, attic, wall, or compost bin. This is nature doing its thing, but:

  • Swarms in structures can lead to long-term infestations

  • Bees may be destroyed by pest control if not removed in time

  • Rehoming supports healthy apiaries and wild populations

That’s why ethical, trained removal is so important.

πŸ“¬ Join Our Swarm Alert List!

Live in the Similkameen Valley or surrounding area?
🐝 We offer safe, respectful swarm collection and relocation.

πŸ‘‰ Visit theforagingbee.ca/swarm-alert (placeholder URL β€” let me know if you want a real sign-up form)
✨ Want to help? Become a community spotter and notify us when you see a swarm!

Together we can Connect | Explore | Sustain a thriving future for bees and people.

πŸ“₯ Bonus: Stay Ahead of the Swarm

Track queen cells, colony mood, and hive dynamics with ease.
🎁 Download your FREE Hive Inspection Journal:
πŸ‘‰ The Foraging Bee Journal (PDF)

🐝 Let’s Bee Curious Together

Seen a swarm? Caught one? Have questions?
πŸ“Έ Tag @foragingbee or send me a message β€” I’d love to hear your swarm stories.

Let’s keep learning and laughing with the bees this season.
Because every saved swarm is a story of stewardship in action.

β€”

The Foraging Bee
Connect | Explore | Sustain
www.theforagingbee.ca

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