Method for collecting and raising field Chilo suppressalis larva parasitic wasp

The invention provides a method for collecting and raising a field Chilo suppressalis larva parasitic wasp. The method comprises the step of providing a device for raising Chilo suppressalis larvae and Chilo suppressalis larva parasitic wasps. The device comprises a colorless transparent raising box, the bottom of the box is provided with a piece of filter paper containing water, rice seedlings are grown on the filter paper, a gauze screen is placed on the rice seedlings or water bamboo pieces, and multiple transparent plastic straws are placed on the gauze screen. By adopting the method of the invention, large-scale collection of a large number of Chilo suppressalis larva parasitic wasp cocoons is realized, the human input is reduced greatly, and the collection efficiency of Chilo suppressalis larva parasitic wasp cocoons is improved.