Effect: (Same as the unevolved form.)
That distinct, high-pitched buzz is a telltale sign that the assassins of the forest have arrived. They wield their poison stingers with exceptional mastery, flitting around their prey before going in for the kill.
When their victims run, they go for the back; when their victims don't, they go for the heart. The sinister drone of their wings is almost assuredly the sound of a life about to be lost.