Eupithecia olivacea

{{Short description|Species of moth}}

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| image = Eupithecia olivacea.JPG

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| genus = Eupithecia

| species = olivacea

| authority = Taylor, 1906{{cite web |last=Yu |first=Dicky Sick Ki |url=http://www.taxapad.com/local.php?taxonidLC=82839233 |title=Eupithecia olivacea Taylor 1906 |website=Home of Ichneumonoidea |publisher=Taxapad |archive-url=https://web.archive.org/web/20160325031643/http://www.taxapad.com/local.php?taxonidLC=82839233 |archive-date=March 25, 2016}}{{cite web |url=http://mothphotographersgroup.msstate.edu/species.php?hodges=7546 |title=910384.00 – 7546 – Eupithecia olivacea – Taylor, 1906 |website=North American Moth Photographers Group |publisher=Mississippi State University |accessdate=May 1, 2019}}

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Eupithecia olivacea is a moth in the family Geometridae first described by Taylor in 1906. It is found in North America from British Columbia south through Washington and Oregon to California.

The forewings are uniform olive brown.{{cite journal |last=McDunnough |first=James H. |author-link=James Halliday McDunnough |date=1949 |url=http://nitro.biosci.arizona.edu/zeeb/leprefs/B093a08.pdf |title=Revision of the North American species of the genus Eupithecia (Lepidoptera, Geometridae) |journal=Bulletin of the American Museum of Natural History |volume=93 |pages=533–728 |access-date=2013-03-21 |archive-date=2013-10-29 |archive-url=https://web.archive.org/web/20131029195738/http://nitro.biosci.arizona.edu/zeeb/leprefs/B093a08.pdf |url-status=dead }} Adults are on wing from early March to April.

The larvae feed on Abies grandis, Abies amabilis, Abies lasiocarpa, Crataegus douglasii, Pseudotsuga menziesii var. glauca, Picea sitchensis and Tsuga heterophylla.[http://tidcf.nrcan.gc.ca/insects/factsheet/8716 "Eupithecia olivacea (Taylor)"]. Trees, Insects and Diseases of Canada's Forests. Natural Resources Canada. Retrieved May 1, 2019.