After The Fall: EarthFall
Xitix are a large dog sized race of mechanical insect that appears to be somewhat docile if puzzling in its behaviors. Xitix scavange biological parts from fresh corpses when they find bodies within their nesting area. Very little is known as to what they do with this material as they appear to be 90% mechanical themselves. They appear to run on a mixture of solar power and intake of small animals such as birds and rodents. They have no language that can be discerned and appeared to be of low numbers within the Wildlands.
Biological material and solar power