Fecha de publicación: 10/08/1989 Fuente: WIPO "apis" A plastic honeycomb with middle wall (2) and cellular walls (3, 4) on both sides throughout the height of the cellular wall is comprised of a plurality of parts. A middle wall fabricated according to the injection moulding process and cellular walls fabricated separately according to the injection moulding process are interconnected. The diameter of the cellular space at the cell bottom is larger than the diameter of the cellular opening. To breed queens, there are provided appropriate honeycombs with middle wall and cellular walls releasably connected thereto on one side. The individual cells have a fully or partially interchangeable bottom, for example a closure member separated from the cell bottom.