Eupithecia perfusca

{{Short description|Species of moth}}

{{Speciesbox

| image = Eupithecia perfusca.JPG

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| taxon = Eupithecia perfusca

| authority = (Hulst, 1898){{cite web |last=Yu |first=Dicky Sick Ki |url=http://www.taxapad.com/local.php?taxonidLC=82839236 |title=Eupithecia perfusca (Hulst 1898) |website=Home of Ichneumonoidea |publisher=Taxapad |archive-url=https://web.archive.org/web/20160325032326/http://www.taxapad.com/local.php?taxonidLC=82839236 |archive-date=March 25, 2016}}{{cite web |url=http://mothphotographersgroup.msstate.edu/species.php?hodges=7540 |title=910382.00 – 7540 – Eupithecia perfusca – (Hulst, 1898) |website=North American Moth Photographers Group |publisher=Mississippi State University |accessdate=May 2, 2019}}

| synonyms =

• Tephroclystia perfusca Hulst, 1898
• Eupithecia alberta Taylor, 1906
• Tephroclystia cootenaiata Dyar, 1904
• Eupithecia hanhami Taylor, 1906
• Eupithecia kootenaiata Barnes & McDunnough, 1912
• Eupithecia winnata Taylor, 1910
• Eupithecia youngata Taylor, 1906

}}

Eupithecia perfusca is a moth in the family Geometridae first described by George Duryea Hulst in 1898. It is found in western North America.{{cite journal |last=Rindge |first=Frederick H. |date=July 25, 1963 |url=http://digitallibrary.amnh.org/bitstream/handle/2246/3389/N2147.pdf?sequence=1 |title=Notes on and descriptions of North American Eupithecia (Lepidoptera, Geometridae) |journal=American Museum Novitates |issue=2147 |pages=1–23}}

The wingspan is about 21 mm.

The larvae feed on Salix, Alnus and Betula species.