Monitoring trap complete with a pheromone combined with a specific attractant to detect and capture Popillia Japonica, japanese pest beetle responsible for the destruction of fruit and ornamental crops. It consists of a funnel with 3 collecting bags made of compostable material. The combination of the pheromone with the floral attractant allows the capture of individuals of both sexes. It is non-toxic, contains no insecticides and avoids trapping other pollinating insects.