These bugs appear in May every year. I don't know what they're called in English, so I made up the name ''May bugs''. They come in all sizes but the average size is like an American quarter coin. Ewwww.
They fly around and bounce off walls, lights, humans, etc. When they fall to the ground, they usually land on their back and are then kicking their legs to try to flip over. I have seen a May bug struggle for hours (literally) to turn itself right-side up again.
Then when they flip over, they run for cover or take off flying again! Their wings make a loud buzzing noise that is more annoying than scary. Still, I don't like it when they choose to ''bounce'' off of me!