Provided is a blowing device that can provide improved convenience. In a blowing device 1 provided with a casing 2 that has openings as an air inflow port 20 and an air blow-off port 5 formed therethrough and includes a blower 10 therein, a cover member 3 that is demountably mounted to the casing 2 so as to cover the inflow port 20 and has a plurality of openings each formed therethrough as an air suction port 4, and an insect catching portion 50 that is arranged on an inner surface of the cover member 3 and catches insects, the insect catching portion 50 is formed by stacking, via a release agent, a plurality of insect catching sheets 51 each formed of a base material sheet 52 with an adhesive 53 applied on one surface thereof.