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Section of honeycomb with pale capped honey cells at top, a band of pollen cells, and capped brood cells below

Inside a Wild Honeybee Nest: Comb, Brood and Honey Explained

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When we open a wall or a hollow tree, the first thing people see is a mass of bees. Under them is a whole structure. A wild honeybee nest is built from sheets of wax comb, and each part of that comb has a job: raising young bees, storing pollen, or holding honey. Here’s a beekeeper’s tour of what’s inside and how each part is handled during a rescue.

The Comb: How a Wild Honeybee Nest Is Built

Worker bees make beeswax from glands on their bodies. MAAREC Publication 3.9 explains that the wax scales are molded into a hexagonal pattern, with six-sided cells facing opposite directions from a central midrib. New wax is white and darkens over time from pollen and traffic. In a wall or tree, bees hang several sheets of comb side by side, with just enough space between them for bees to work.

Brood: The Next Generation

Brood means eggs, larvae and pupae. MAAREC notes that larvae hatch from eggs in about 3 days, and a queen in peak season may lay up to 1,500 eggs a day. The University of Arkansas Cooperative Extension notes workers feed the young and cap the cells of mature larvae for pupation. Capped brood looks like tan, slightly domed cells. Open brood shows white, curled larvae.

Honeybee larvae in open cells beside capped brood cells inside a wild honeybee nest
Young larvae in open cells and capped brood next to them. Brood comb is what keeps a rescued colony going.

Pollen and Honey

  • Pollen is the colony’s protein. The University of Arkansas notes egg-laying begins in early spring when the first fresh pollen comes in, and continues as long as pollen is available. Stored pollen shows up as cells packed with yellow, orange or brown.
  • Honey is made from nectar the workers collect, and it’s sealed under pale wax cappings. UF/IFAS says a northern colony needs about 90 pounds of honey to get through winter (UF/IFAS IN1006).

How Each Part Is Handled in a Rescue

  • Brood comb is the priority. We cut it out carefully and secure it into frames so the colony keeps raising its young.
  • Honey comb comes out too. Left behind, MAAREC warns it attracts pests and can soak into and stain walls (MAAREC Publication 3.6).
  • The queen needs to come along. Without her, a colony can’t carry on normally.
  • Leftover wax is cleaned off so the cavity doesn’t attract the next swarm.

On our Fostoria grain bin job in July 2025 there were seven layers of comb and more than 20,000 bees relocated alive (The Mindful Beekeeper).

Frequently Asked Questions

How many bees live in one?

See how many bees in a hive.

Can the honey from a wall be eaten?

We don’t recommend it. Comb from walls may have been exposed to sprays, insulation or debris.

Is it different from a wasp nest?

Very. Wasps build paper, not wax. See identify a wasp nest by shape.

Wild Colony in Your Wall or Tree?

Honeybees are always relocated, never exterminated. Rescued colonies go to The Mindful Beekeeper, pass through an inspection station, and then join Apiary #1 in Loudon Township. Honeybee relocation from walls and other structures is being scheduled for Spring 2027. Call or text 419-614-6445 or use our contact page to tell us what you are seeing, and read about humane honeybee removal and relocation.

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Honeybees flying in and out of a knothole in a tree trunk

Bees in a Tree: Can a Honeybee Colony in a Hollow Tree Be Saved?

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If you’ve spotted bees in a tree going in and out of a knothole or crack, you’re looking at honeybees living the way they did long before beekeepers. UGA Extension notes that the natural nest site of honeybees is a hollow inside an old tree (UGA Extension C824). Most of the time, that’s good news. A tree colony can often stay right where it is. Sometimes, though, the tree or the location makes a move the better choice.

Why Bees in a Tree Are Natural

Research on how swarms choose a home found that scout bees prefer cavities of roughly 40 liters, with a small entrance near the bottom, often facing south, and several meters off the ground (Seeley and Morse, 1978). An old hollow trunk fits that description well. The same research suggests bees prefer cavities that were used before, so a good tree may host colonies year after year.

When a Tree Colony Can Stay

  • The entrance is away from traffic. UGA suggests a leave-alone approach when a colony’s entry point is far from people and pets.
  • The tree is healthy and staying. MAAREC notes that for nests in trees, removal usually isn’t necessary (MAAREC Publication 3.6).
  • Nobody nearby has a sting allergy. If someone does, talk to us. See sting allergies.
Large old tree with a hollow trunk near a fence line, a typical home for bees in a tree
Old trees with hollow trunks are the kind of cavity wild honeybees naturally choose.

When It Makes Sense to Move Them

  • The tree is coming down. If an arborist is scheduled to remove a dead or dangerous tree, call before the cut. Felling a tree with a live colony inside is dangerous for the crew and usually fatal for the bees.
  • The flyway crosses a path, patio or play area. UGA calls that a more serious situation.
  • Mowing or trimming nearby. USDA ARS warns that bees are alarmed by the vibration and noise of mowers, trimmers and chain saws (USDA ARS).

How a Beekeeper Approaches a Tree Colony

Every tree is different. We start with photos and a look at the trunk, the entrance and the tree’s condition. A thermal camera can help show where the warm comb sits inside the wood. Then we talk through the options with you, including leaving the colony alone. When a colony does need to move, the goal is the same as with a wall: rescue the bees and the comb they’ve built, and take them to The Mindful Beekeeper.

Frequently Asked Questions

Is it a swarm or a colony?

A cluster hanging on the outside of a branch is a swarm. Bees flying into the trunk mean a colony. See swarm of bees or wasps? and honeybee swarms.

Could it be wasps or hornets?

Yellowjackets sometimes nest in hollow trees too. See honeybee vs. yellowjacket.

What’s inside?

See inside a wild honeybee nest.

Have a Bee Tree?

Honeybees are always relocated, never exterminated. Rescued colonies go to The Mindful Beekeeper, pass through an inspection station, and then join Apiary #1 in Loudon Township. Honeybee relocation from walls and other structures is being scheduled for Spring 2027. Call or text 419-614-6445 or use our contact page to tell us what you are seeing, and read about humane honeybee removal and relocation.

Sources

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