They are buried int h groud, and will unbury themselves when players pass nearby. They are static, and posses a powerful close range attack that deals continous damage and ignites players, and also have a light attack similar to colony wasps. There is an special version of colony Feelers which spawns only during the misson Defending Newtopia, they have only a single but powerful attack that releases an lectricity beam towards a player, dealing light damage pretty fast.