1) Beekeeping tool 
metal or plastic device with spaces that permit the passage of workers but restrict the movement of drones and queens to a specific part of the hive.
metal or plastic device with spaces that permit the passage of workers but restrict the movement of drones and queens to a specific part of the hive.
metal or plastic device with spaces that permit the passage of workers but restrict the movement of drones and queens to a specific part of the hive.
Device usually made of zinc or wire grid allowing worker bees to pass through, restricting queens and drones due to spacing of .163 to .167 inches between wires or openings. Placed over brood chamber to prevent queen from laying eggs in honey supers (mixing brood with harvestable honey).
a device used by bee keepers to prevent the queen bee gaining access to a specific area of the hive.