Device for indicating spring emergence period of carposina niponensis imagoes

The utility model relates to a device for indicating a spring emergence period of carposina niponensis imagoes, which is a device used for guiding a worker to carry out field prevention and control of the carposina niponensis correctly. The device for indicating the spring emergence period of the carposina niponensis imagoes is characterized by comprising a box body (1), wherein the upper side face of the box body (1) is embedded with transparent glass (2) while the lower side face is opened; gauze elements (3) are embedded at the other side faces of the box body (1). The device for indicating the spring emergence period of the carposina niponensis imagoes provided by the utility model indicates occurrence quantity of the carposina niponensis and determines the optimal prevention and cure period based on the emergence quantity of the carposina niponensis by utilizing biological characteristics of the spring emergence period of the carposina niponensis, adopting restrictive measures as same as the climatic env