Killer Moth (キラーモス?) is a moth enemy from Mega Man X6.
It stays still in one corner when there are no theats nearby, but when it senses the presence of X or Zero, it will fly towards them and drop purple sparks/dust which cause damage. They are relatively easy to destroy and only serve as annoyance particularly in the spike-filled part of the stage.
In a recently leaked prototype version, they are seen releasing yellow sparks instead of purple.