Fly faster in a straight line. They are more aggressive than https://hachi-taiji.net/
other types of bees. http://getsitem.com
The initial nest looks like an upside-down bottle, and gradually https://buybuyavto.ru
becomes ball-shaped. The outer wall is brown and has a mottled pattern.
If you have a nest, it is dangerous to remove it yourself, so please ask a professional to remove