{{short description|Species of moth}} {{Redirect |Western conifer looper |the other moth with this common name |Caripeta aequaliaria{{!}}''Caripeta aequaliaria''}} {{Speciesbox | image = Syngrapha celsa.jpg | image_caption = | image2 = Syngrapha celsa1.jpg | image2_caption = | taxon = Syngrapha celsa | authority = H. Edwards, 1881 | synonyms = *''Plusia celsa'' *''Syngrapha octoscripta'' ab. ''beta'' *''Syngrapha altera'' ab. ''alterana'' }}
'''''Syngrapha celsa''''', the '''plain silver Y''' or '''western conifer looper''', is a moth of the family Noctuidae. The species was first described by Henry Edwards in 1881. It is found in North America from British Columbia to California, Idaho, Nevada, Arizona and New Mexico.
The wingspan is 34–38 mm. Adults fly from July to September depending on the location.
The larvae feed on ''Abies lasiocarpa'', ''Abies grandis'', ''Abies concolor'', ''Picea egelmannii'', ''Picea glauca'', ''Pinus monticola'' and ''Tsuga heterophylla''.
==Subspecies== There are two recognised subspecies: *''Syngrapha celsa celsa'' *''Syngrapha celsa sierra''
==External links== *{{cite web |last=Davis |first=John |date=August 19, 2013 |url=https://bugguide.net/node/view/143804 |title=Species ''Syngrapha celsa'' - Hodges#8944 |website=BugGuide |accessdate=November 13, 2020}} *[http://www.biol.wwu.edu/fisherm4/Factsheets/Syngrapha_celsa_-_Western_Conifer_Looper.htm Detailed Species info]{{Dead link |date=April 2019}}
{{Taxonbar|from=Q7662469}}
Category:Plusiinae Category:Moths of North America Category:Moths described in 1881
{{Plusiinae-stub}}