A rearing pod (100) for rearing insects includes a bottom part (110), a wall part (112), a rearing space (115) for insects, and an opening (117). The bottom and wall parts are foldable material. The bottom part is connected to a lower portion (113) of the wall part so that the bottom and wall parts define the space. An upper portion (114) of the wall part defines the opening and an inner surface (116) of the wall part faces the space. The upper portion includes a plastic strip (130) in order to prevent the insects to climb along the wall part. The strip is on the inner surface of the wall part and the strip covers continuously an inner surface (119) of the opening.