Yanmega

Yanmega (メガヤンマ Megayanma) is a /-Type Pokémon. It is the evolved form of Yanma after leveling up after it learns Ancientpower. By churning its wings, it creates shockwaves that inflict critical internal injuries to foes.

In the manga
In the Pokemon Adventures Manga, a flock of Yanmega's attacked Professor Rowan's assistant at the lab.