I found out this caterpillar's mother is a Acherontia lachesis.
When I saw a photo of such an ugly weired moth, I was almost falling in a faint.
Taken together,there are more than a dozen on the tomatos in a small yard.
The book said they are harmful.Do you have any idea to exterminate them completely ??? And the problem is that who is going to do that (No, I can't).