The invention is installed in a tent or a vinyl house copper, in the bangjegi is to spray the spray liquid to the plant used for pest control: and a rail (1) for fixing to be flat in the longitudinal direction on the tent or a vinyl house a main body 10 having the transfer rails to be mounted on (1) the roller (11); Drive means (20) for the movement of the body 10, the feed roller 11 on the main body 10 forward, to reverse rotatably provided; Pressure means provided for the variation of the pressing force allows, depending on the size of the rail (1) and pressing rail (1) on the lower face of the main body 10 (30); Lower ejecting portion 40 for jetting liquid is connected to the hose (41) to be introduced, the spray of spray liquid enables having a plurality of through holes 42 in the body 10; That comprises a; and the sensor unit 50 to a drive means 20, the pressure sensor 51 to set the direction of movement of the body 10, in association with the direction of the end portion is moved in the main body 10 It characterized.
Accordingly, the present invention provides an effect that automatic movement are possible by reducing the labor of the operator while achieving an automatic pest control copper, by spraying the jet liquid on to the plant.