Trapping device for frugivorous insects comprising a chamber (2) for confining insects and at least one side hole (5) from which a side duct (6) to said chamber (2) starts, the side hole (6) having an entrance mouth (10a) and an exit mouth (10b). The chamber (2) comprises one opaque first zone (3) and a translucent upper second zone (4) through which direct outside light can enter the chamber (2). Furthermore, the side duct (6) is opaque and transverse with respect to the vertical direction, according to an angle between 0 and 20° with respect to the horizontal direction.