Bees and the colony

How bees build comb, and what it costs them

Updated October 2026

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The exchange rate Why drawn comb is an asset What it changes in practice Foundation How they actually do it Reading comb you did not want References

Bees convert honey into wax at roughly eight to one. That single ratio explains more beekeeping decisions than any other number, and almost nobody mentions it when it matters.

The exchange rate

Wax is secreted from glands on the underside of a worker's abdomen, and producing it costs the colony energy in the form of honey. The commonly cited figure is about eight pounds of honey per pound of wax.

Why drawn comb is an asset

Comb that already exists is comb the colony does not have to pay for again. That makes drawn comb one of the most valuable things a beekeeper owns, and it is usually treated as packaging.

This is the hidden cost in three separate decisions. It is why crush and strain is cheap in money and expensive in comb. It is why a nuc outruns a package, because it arrives with comb already drawn. And it is why stored comb is worth protecting from wax moth rather than left in a shed.

What it changes in practice

A first-year colony making little honey is not failing. It is building the factory. Second year is when a hive with drawn comb produces.
Extracted frames go back on the hive, not into storage, whenever the season allows. Wet comb returned is comb the bees clean and reuse.
Old dark comb still has value, though it is also where disease accumulates, which is the argument on the other side.

Foundation

Foundation gives the bees a starting sheet so they draw straight comb in the frame rather than wherever they like. It does not remove the wax cost, it directs it.

Foundationless works and produces more natural comb, at the price of more inspection and more cross-comb to correct. For a first year, foundation is the fewer-problems choice.

How they actually do it

Wax is secreted from glands on the underside of the abdomen of young workers, roughly twelve to eighteen days old, as small flakes they then chew and place. Only bees of about that age can do it, which is why a colony's ability to build depends on its age structure and not only on its size.

They need warmth to work the wax and a nectar flow to afford it. A colony given foundation during a dearth will mostly ignore it, and the same colony will draw a box in days once something is coming in. Timing your foundation to the flow is most of the skill.

Comb is built downward from the top and the cells are angled slightly upward, which is why honey stays in them. The famous hexagon is not drawn as a hexagon: bees build round cells that settle into hexagons as the wax softens and the walls meet.

Reading comb you did not want

Burr comb and brace comb appear wherever a gap exceeds bee space, and they are information rather than misbehavior. A stack full of burr comb usually means frames spaced too widely, a box not sitting square, or foundation that has bowed.

Comb built across frames rather than along them is the expensive version, and it is usually the result of frames not being pushed together or a foundationless frame started without a guide. Fix the geometry rather than scraping repeatedly; scraping treats the symptom and costs the colony the wax twice.

References

Mid-Atlantic Apiculture Research and Extension Consortium. The Colony and Its Organization. canr.udel.edu/maarec

eXtension Bee Health. Seasonality of Brood and Adult Populations; Beekeeping Equipment. bee-health.extension.org

University of Georgia Extension. Honey Bees and Beekeeping (B1045). extension.uga.edu

Written from published extension guidance, not from a laboratory. Local climate, local forage and the state of your particular colony override anything general said here.