In honey bees, the sound produced by ventilating workers has a frequency of 309 Hz , whereas that produced by the queen (queen piping) has a frequency of 450 Hz. In P. germanica, the sound frequency during ventilation is 194–231 Hz, whereas in V.
In honey bees, the sound produced by ventilating workers has a frequency of 309 Hz , whereas that produced by the queen (queen piping) has a frequency of 450 Hz. In P. germanica, the sound frequency during ventilation is 194–231 Hz, whereas in V.