Abstract: The doll body 64 which consists of the decorative doll is attached to the exchange member 68 removably. The exchange member 68 is attached to the pedestal member 62 by the post member 67 which is also used as the foot 65. The exchange member 68 is a dual or a single cylindrical structure. In case of a dual cylindrical structure, the inner cylinder fits into the post member 67. Insects like cockroaches crawls up along the foot 65 of the doll. They are enticed to come into the space made by two cylindrical members of the exchange member 68, and caught by the adhesive member which is not shown in Figure. As the appearance of this device is a doll, it is possible to set this on conspicuous places without hesitation. The exchange member 68 can be exchanged appropriately.