Hive entrances

The most-handled part of the hive. And the most underrated.

Durability: a hive entrance that lasts the season

The three material families behave very differently. Galvanised or painted sheet metal takes knocks and propolis well, but rusts once the paint cracks; the right choice for fixed strip entrances. UV-stable injected plastic allows quick clip-on fitting in plastic hives and is the standard for rotating discs; it handles sun and caustic cleaning, but can crack when worked under tension in extreme cold. Treated hardwood is still an option in traditional hives — more repairable, slower to swap. The right pick depends on your floor type, apiary climate and how often you'll be working the piece.

Ventilation and security: hive entrance with traffic control

Rotating plastic discs combine in a single component the four most-used functions at the apiary:

• Fully closed — transport, migration or treatment with the hive sealed.
• Mesh ventilation — air passes but bees don't, useful for wintering or downflow treatments.
• Workers only, no drones or queen — swarm control and genetic selection.
• Full opening — peak nectar flow and normal handling.

Asian hornet entrance gates add a fine screen that blocks velutina without disrupting forager flight.

Beekeeping practice: hive entrance built for daily work

The sliding reducer is the simplest piece and the one with the longest service life if sized to the floor: use it to narrow the entrance for weak colonies, newly installed nucs or peaks of robbing pressure. Nuc-specific entrances (Langstroth, Dadant, Layens) come with reduced openings — they're not interchangeable with full-size hive parts. Replacement entrances for plastic or sanitary floors let you swap just the entrance when one piece fails, rather than the whole floor. In transport, an entrance with full closure plus mesh prevents suffocation and escapes on long hauls.