An insect protection device with a frame, comprising - at least two first frame struts (1.1, 1.2) and - at least two second frame struts (2.1, 2.2), wherein • the first frame struts (1.1, 1.2) are each connected at their ends to a second frame strut (2.1, 2.2) and the second frame struts (2.1, 2.2) are each connected at their ends to a first frame strut (1.1, 1.2) and • the first frame struts (1.1, 1.2) and the second frame struts (2.1, 2.2) are arranged at a right angle with respect to one another in a frame plane in an assembled position, and with an insect protection net which is fastened in or on the frame, characterised in that - the two first frame struts (1.1, 1.2) and/or the two second frame struts (2.1, 2.2) are of invariable length, - the connections in each case between a first frame strut (1.1, 1.2) and a second frame strut (2.1, 2.2) each have a rotary joint having at least one axis of rotation , wherein - the rotary joints are configured such that • in an initial position the two first frame struts (1.1, 1.2) and the two second frame struts (2.1, 2.2) are oriented parallel to one another, and • the frame is transferrable into the assembled position by pivoting the frame struts (1.1, 1.2, 2.1, 2.2) relative to one another about the axes of rotation of the rotary joints . - at least two first frame struts (1.1, 1.2) and - at least two second frame struts (2.1, 2.2), wherein • the first frame struts (1.1, 1.2) are each connected at their ends to a second frame strut (2.1, 2.2) and the second frame struts (2.1, 2.2) are each connected at their ends to a first frame strut (1.1, 1.2) and • the first frame struts (1.1, 1.2) and the second frame struts (2.1, 2.2) are arranged at a right angle with respect to one another in a frame plane in an assembled position, and with an insect protection net which is fastened in or on the frame, characterised in that • the first frame struts (1.1, 1.2) are each connected at their ends to a second frame strut (2.1, 2.2) and the second frame struts (2.1, 2.2) are each connected at their ends to a first frame strut (1.1, 1.2) and • the first frame struts (1.1, 1.2) and the second frame struts (2.1, 2.2) are arranged at a right angle with respect to one another in a frame plane in an assembled position, - the two first frame struts (1.1, 1.2) and/or the two second frame struts (2.1, 2.2) are of invariable length, - the connections in each case between a first frame strut (1.1, 1.2) and a second frame strut (2.1, 2.2) each have a rotary joint having at least one axis of rotation , wherein - the rotary joints are configured such that • in an initial position the two first frame struts (1.1, 1.2) and the two second frame struts (2.1, 2.2) are oriented parallel to one another, and • the frame is transferrable into the assembled position by pivoting the frame struts (1.1, 1.2, 2.1, 2.2) relative to one another about the axes of rotation of the rotary joints . • in an initial position the two first frame struts (1.1, 1.2) and the two second frame struts (2.1, 2.2) are oriented parallel to one another, and • the frame is transferrable into the assembled position by pivoting the frame struts (1.1, 1.2, 2.1, 2.2) relative to one another about the axes of rotation of the rotary joints . <EOS>