Eupithecia arauco

{{Short description|Species of moth}}

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| genus = Eupithecia

| species = arauco

| authority = Rindge, 1991{{cite web |last=Yu |first=Dicky Sick Ki |date=1997–2012 |url=http://www.taxapad.com/local.php?taxonidLC=82872637 |title=Eupithecia arauco Rindge 1991 |website=Home of Ichneumonoidea |publisher=Taxapad |archive-url=https://web.archive.org/web/20160324230715/http://www.taxapad.com/local.php?taxonidLC=82872637 |archive-date=March 24, 2016}}

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Eupithecia arauco is a moth in the family Geometridae. It is found the Region of Biobio (Arauco Province) in Chile.{{smallcaps|Rindge, F.H.}}, 1991: The Eupithecia (Lepidoptera, Geometridae) of Chile. 2. American Museum Novitates 3020: 1-14. Full article: [http://digitallibrary.amnh.org/dspace/bitstream/2246/5049/1/N3020.pdf]. The habitat consists of the Northern Valdivian Forest Biotic Province.

The length of the forewings is about 9.5 mm for females.