They might be. I mean if they're weak to fire that's a start.

[Just going to try and think this over, while keeping an eye on Wisp and the strange pokemon. Running through possibilities, he can do this.]

Um...they don't feel cold. So maybe not ice? They're small so that's a bug possibly, they could always be a duel type. They kind of look like small robots and they hurt so maybe steel? ...I know grass is sharp but grass ones are usually green...."