An adhesive trap for the monitoring of meal moths (Ephestia kuehniella, Plodia interpunctella) to be activated by an appropriate pheromone. Ferotrap’s installation is immediate and easy. The interior, the adhesive, presents a black grilling on a white background to facilitate quantification of the catch. The device is built from cardboard, plasticised on either side. It is suitable for use in the food industry, mills, warehouses, supermarkets or any other facility in which flour roducts and/or their derivatives are produced or stored.