Bee space

Definition

Established by Lorenzo Langstroth in 1851 and the single measurement that made modern beekeeping possible. Build a hive whose frames hang with that clearance on every side and the frames lift out clean; make the gap smaller and the bees seal it with propolis, larger and they fill it with comb. Everything that follows — inspection, disease monitoring, queen management, selective breeding, extraction without destroying the colony — depends on it.

Where the word gets used loosely

Frequently described as Langstroth's invention of the hive. The hive was the consequence; the observation about the gap was the discovery.

Guide records that discuss this

• A history of honeyFor most of human history, honey was the only concentrated sweetness available. Almost everything about its cultural weight follows from that, and from how abruptly it ended.
• How honey was produced before modern beekeepingFor most of human history, taking honey meant destroying the colony. The movable frame is barely 175 years old, and everything before it was a compromise between getting the honey and keeping the bees.
• How modern beekeeping developedMovable frames, bee space, the extractor and comb foundation arrived within about fifteen years of each other and together made colonies inspectable and honey harvestable without destruction.

Question records that discuss this

• What is bee space?The gap of roughly a centimetre that bees leave clear for movement. Anything narrower they seal with propolis; anything wider they build comb across. Every movable-frame hive is built around it.