Abstract: The present invention relates to a pest trap device in a cereal storage environment including a long hollow body having a medial portion having a plurality of openings and a lower portion. The medial portion and the lower portion are connected by a non-return opening system. The pest trap device includes an on-board electronic module having at least one sensor configured to generate at least one risk data item containing at least one item of representative information of an infestation risk in the trapping zone. Wireless transmission means are configured to transmit the at least one risk data item to an offset electronic entity.