Predatory mite releasing device

The utility model discloses a predatory mite releasing device which comprises a track and a moving trolley, the moving trolley moves along the track, a support is arranged on the moving trolley, and the support is provided with releasers for scattering predatory mites on the two sides of the moving trolley. The releaser comprises a charging barrel and a rotating motor, a mounting seat is arranged at the position, corresponding to the releaser, of the support, the rotating motor is arranged on the mounting seat and drives the charging barrel to rotate, a rotating shaft of the rotating motor is perpendicular to the moving direction of the trolley, and a plurality of leaking holes are formed in the side wall of the charging barrel at equal intervals. The predatory mites are released through rotation of the charging barrel, automation of releasing of the predatory mites is achieved by combining the moving trolley and utilizing the terrain characteristics of greenhouse planting, and meanwhile it is guaranteed that