A monitoring device for insects such as bed bugs comprising: an elongated member constituting a furniture leg, wherein said elongated member comprises: a space inside the elongated member comprising a trap for insects, at least one opening in the leg wherein insects may enter the trap, the opening being connected to the trap by pathway that is inclined and slippery such that the bed bugs entering the opening slide to the trap. Corresponding arrangement and method for bed bug monitoring are also presented.
