Day and night dual-purpose color-changing insect trap

The utility model provides a day and night dual-purpose color-changing insect trap. The day and night dual-purpose color-changing insect trap comprises a base, a lamp pole arranged on the base and an insect trapping module arranged at the side end of the lamp pole. The insect catching module comprises a conical collecting hopper arranged at the side end of the lamp pole, a discharging pipe, a connecting rod, an electric air door, a screening and filtering bag arranged at the lower end of the discharging pipe and used for collecting insects, a vertical rod, an air blower, a fixing plate, an insect trapping lamp and a double-layer transparent lampshade arranged on the fixing plate and matched with the insect trapping lamp; the containing cavity is formed in the double-layer transparent lampshade, the colored liquid is arranged in the containing cavity and can be discharged out of the containing cavity, and the exhaust pipe is arranged in the containing cavity, penetrates through the side wall of the double-laye