In a method and device for influencing insects by means of electromagnetic radiation, a transmitter generates a time-based progression of an antenna feed with pulses, which is emitted via an antenna as electromagnetic radiation having corresponding pulses. The antenna feed comprises bursts, or packets or salvoes, of pulses, wherein the time interval between directly successive pulses of a burst is in the range from 5 με to 9 με and the time expansion of the burst is at least 0.1 ms. Because of the intensity gradients that arise in a radial direction around an antenna, a movement leading towards the antenna is, for insects, directly associated with an increase in perception intensity and a movement leading away is associated with a decrease. The insects perceive the gradient and tend to move such that the irritating perception decreases for them.