There's a common anecdote among Polish drivers that drive through Europe. When you wash the front of you car just before entering Germany from Poland, you will

There's a common anecdote among Polish drivers that drive through Europe. When you wash the front of you car just before entering Germany from Poland, you will have almost no bugs on the front of the car when you exit to France. I also noticed almost no mosquitos in my several trips in the summer to and passing through Germany.