Dragonfly is the ninth boss of the game who made her appearance in Level 36. she is the first boss with eyes and can turn to see you.
She is stronger than Twins Culi, Mantodea, Deroplatyinae etc, but not stronger than the other bosses.
Fun Fact: Dragonfly is the first female boss of the game.
Ammo: Magenta lasers.
Difficulty: Super Hard.
Here is a picture of Dragonfly:
page by electro gamers