Simple device suitable for capturing small insects in field

The utility model relates to a simple device suitable for catching small insects in a field, which comprises an upper part and a lower part which are connected through a connecting port, the upper part is an insect taking device, the lower part is an insect storing device, the insect taking device is of a hollow tubular structure with two open ends, and an insect taking device sealing cover is arranged at the upper end of the insect taking device. The lower end of the insect taking device extends into the insect storage device through a connector, the upper portion of the connector is a gauze element, and the lower portion of the connector is connected with the insect storage device. The small natural enemy insect trap is convenient, fast, light, capable of effectively preventing insects from escaping, suitable for research on field trapping of small natural enemy insects such as ladybugs, orius minutus and large eye bugs, and capable of solving the technical problem of field trapping of the small natural ene