The utility model relates to a bee device is put to stiff aphid seedling of dismantled and assembled aphidiidae, including four spinal branch poles and four horizontal poles, branch and horizontal pole between be provided with three -dimensional tee bend, two piece adjacent horizontal poles and a spinal branch pole all are connected with same three -dimensional tee bend cartridge, are provided with the fly net between two adjacent branches, the top of horizontal pole is provided with shelters from the device, the utility model discloses simple structure, the whole cartridge that passes throughis connected, and it is fixed that the fly net passes through magic subsides connection, be convenient for removal and quick assembly disassembly, repeatedly usable practices thrift the cost to can for stiff aphid seedling provides a stable growing environment, promote feathering and rate in case drench sun -proofly.