The invention relates to a trap for flying insects that includes an inner chamber (2) for confining the insects and that is accessible via at least one access entry suitable for said insects. The chamber (2) is defined by at least one flexible sheet (8, 30) that can be rolled from an open position to a closed position, forming a three-dimensional body that is open at least at one of the ends thereof. The invention also relates to the use of a flexible sheet for manufacturing the traps, and to a manufacturing method.
