I would say Pterolophia dorsotubercularis is even "closer" (look at the general appearance and elytra tips in the "Iconography of Chinese beetles..." photo 1282). But that species comes from Taiwan.
Well, I don't know. I can't post the type specimen of Pterolophia (Paramimoron) rondoniana Breu. (not allowed), but it fits with. There is a difference of lenght also : Taiwanese species is a little bit taller. Hard to say how long is this specimen,...