Eupithecia dayensis

{{short description|Species of moth}}

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| genus = Eupithecia

| species = dayensis

| authority = Herbulot, 1983{{cite web |last=Yu |first=Dicky Sick Ki |url=http://www.taxapad.com/local.php?taxonidLC=82872783 |title=Eupithecia dayensis Herbulot 1983 |website=Home of Ichneumonoidea |publisher=Taxapad |archive-url=https://web.archive.org/web/20160325031823/http://www.taxapad.com/local.php?taxonidLC=82872783 |archive-date=March 25, 2016}}

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Eupithecia dayensis is a moth in the family Geometridae. It is found in Djibouti.[http://www.afromoths.net/species_by_code/EUPIDAYE Afro Moths]