A method of manufacturing an insect net strip, said method comprises the steps of a) providing a woven insect net comprising - warp yarns extending in a warp yarn direction ( x net) of said woven insect net, and weft yarns having a weft yarn diameter ( ø we), and extending in a weft yarn direction (y net) of said woven insect net perpendicular to, or substantially perpendicular to said warp yarn direction (x net) of said woven insect net; and wherein - at least 90% of said warp and weft yarns (11, 12) are monofilament yarns made of a thermoplastic material; characterized in that it further comprises the steps of: b) feeding said woven insect net into an ultrasonic cutting device comprising an ultrasonic surface and at least two ultrasonic cutting and welding tools; and c) feeding said woven insect net through said ultrasonic cutting device; to obtain an insect net strip having - a width (w strip) in a transverse direction ( y strip), which is smaller than a width (w net) of said woven insect net; and - a first and a second edge (24, 25) extending in a longitudinal direction (x strip) of the insect net strip and parallel to warp yarns of said insect net strip, said first and second edges (24, 25) each comprising a deformation zone being constituted by consolidated thermoplastic material deriving at least from weft yarns of said insect net strip, said deformation zone having a length along the edge (24, 25) and a width (w dz) in the transverse direction ( y strip) of the insect net strip, the width (w dz) of said deformation zone being in the range of between 0.5 and 35 times the weft yarn diameter ( ø we); and wherein - at least 90% of gaps between adjacent weft yarns in the deformation zone are closed by at least said weft yarns being melted together in said deformation zone, thereby forming a consolidated reinforced edge portion (24, 25) of said insect net strip. a) providing a woven insect net comprising - warp yarns extending in a warp yarn direction ( x net) of said woven insect net, and weft yarns having a weft yarn diameter ( ø we), and extending in a weft yarn direction (y net) of said woven insect net perpendicular to, or substantially perpendicular to said warp yarn direction (x net) of said woven insect net; and wherein - at least 90% of said warp and weft yarns (11, 12) are monofilament yarns made of a thermoplastic material; characterized in that it further comprises the steps of: - warp yarns extending in a warp yarn direction ( x net) of said woven insect net, and weft yarns having a weft yarn diameter ( ø we), and extending in a weft yarn direction (y net) of said woven insect net perpendicular to, or substantially perpendicular to said warp yarn direction (x net) of said woven insect net; and wherein - at least 90% of said warp and weft yarns (11, 12) are monofilament yarns made of a thermoplastic material; characterized in that it further comprises the steps of: b) feeding said woven insect net into an ultrasonic cutting device comprising an ultrasonic surface and at least two ultrasonic cutting and welding tools; and c) feeding said woven insect net through said ultrasonic cutting device; to obtain an insect net strip having - a width (w strip) in a transverse direction ( y strip), which is smaller than a width (w net) of said woven insect net; and - a first and a second edge (24, 25) extending in a longitudinal direction (x strip) of the insect net strip and parallel to warp yarns of said insect net strip, said first and second edges (24, 25) each comprising a deformation zone being constituted by consolidated thermoplastic material deriving at least from weft yarns of said insect net strip, said deformation zone having a length along the edge (24, 25) and a width (w dz) in the transverse direction ( y strip) of the insect net strip, the width (w dz) of said deformation zone being in the range of between 0.5 and 35 times the weft yarn diameter ( ø we); and wherein - at least 90% of gaps between adjacent weft yarns in the deformation zone are closed by at least said weft yarns being melted together in said deformation zone, thereby forming a consolidated reinforced edge portion (24, 25) of said insect net strip. - a width (w strip) in a transverse direction ( y strip), which is smaller than a width (w net) of said woven insect net; and - a first and a second edge (24, 25) extending in a longitudinal direction (x strip) of the insect net strip and parallel to warp yarns of said insect net strip, said first and second edges (24, 25) each comprising a deformation zone being constituted by consolidated thermoplastic material deriving at least from weft yarns of said insect net strip, said deformation zone having a length along the edge (24, 25) and a width (w dz) in the transverse direction ( y strip) of the insect net strip, the width (w dz) of said deformation zone being in the range of between 0.5 and 35 times the weft yarn diameter ( ø we); and wherein - at least 90% of gaps between adjacent weft yarns in the deformation zone are closed by at least said weft yarns being melted together in said deformation zone, thereby forming a consolidated reinforced edge portion (24, 25) of said insect net strip.