Chaurus are medium to large hostile centipede/earwig creatures found in caves. They are highly poisonous and can hurl a projectile poison. They can also cling to walls, making them almost immune to falling. Chaurus are bred and raised by the Falmer, later to be killed and have their Chitin used for armor. So where there are Falmer, there are Chaurus.
Chaurus Chitin may be found on the body of a dead Chaurus.
Chaurus Egg may be harvested from egg sacks within a nest, and are occasionally dropped by dead Chaurus.
A sizable Chaurus nest is located in Frostflow Lighthouse, between Dawnstar and Winterhold.