Many experiencers have been visited by alien mantises. I personally heard their cackling communication and have things stolen without any trace simply teleported away.
This extraterrestrial species resembles a praying mantis and occasionally surface in abduction accounts as overseers. Learn about the Mantid agenda on Earth.
I do not think they are ominous or evil and in fact i have been their, um lets say study since i was child due to i am o neg and other reasons. I just wish they would come back…