When a bee or wasp repeatedly bangs itself against a closed window, it is likely exhibiting a behavior called "window collision." This behavior occurs because the insect is confused by the transparent surface of the window, mistaking it for an open pathway to the outside. There are a few reasons why this behavior happens:
Visual confusion: Bees and wasps primarily navigate using visual cues, such as landmarks and the angle of sunlight. When they encounter a transparent window, it appears as an extension of the surrounding environment, making it difficult for them to perceive it as a solid barrier.
Polarized light: Bees and wasps can detect the polarization of light, which helps them orient themselves. However, some types of glass can disrupt the polarization patterns of light, causing the insect to misinterpret the window as an open space.
Geomagnetic disruption: Bees and wasps also rely on Earth's magnetic field for navigation. The presence of a window can interfere with the insect's ability to sense the magnetic field, leading to confusion and disorientation.
Trapped pheromones: In some cases, if a bee or wasp previously entered a room through an open window, it might release pheromones inside that attract other insects of the same species. When the next bee or wasp tries to follow the scent trail, it may end up hitting the closed window repeatedly.
These factors contribute to the repetitive behavior of bees and wasps hitting against closed windows, even when there is an open window nearby. It is important to note that this behavior is unintentional and does not signify any aggressive intent on the part of the insects.