''Eupithecia arauco'' is a moth in the family Geometridae. It is found the Region of Biobio (Arauco Province) in Chile., 1991: The ''Eupithecia'' (Lepidoptera, Geometridae) of Chile. 2. ''American Museum Novitates'' 3020: 1-14. Full article

The habitat consists of the Northern Valdivian Forest Biotic Province. The length of the forewings is about 9.5 mm for females.

References

Moths described in 1991 arauco Moths of South America Endemic fauna of Chile {{Eupithecia-stub