Polygonia oreas

{{Short description|Species of butterfly}}

{{Italic title}}

{{Speciesbox

| name = Oreas comma

| image = Polygonia oreas 17047.JPG

| image_caption = In Washington state, U.S.

| taxon = Polygonia oreas

| authority = (W.H. Edwards, 1869)

| synonyms =

• Nymphalis oreas
• Grapta oreas
• Grapta silvius

}}

Polygonia oreas, the oreas comma, is a butterfly of the family Nymphalidae. It is found in North America in the mountains from southern British Columbia and southwestern Alberta to northern California.{{Cite web |title=NatureServe Explorer 2.0 |url=https://explorer.natureserve.org/Taxon/ELEMENT_GLOBAL.2.112576/Polygonia_oreas |access-date= |website=explorer.natureserve.org}}

The wingspan is 42–52 mm. The butterfly flies from June to October depending on the location.{{Cite web |title=Oreas Comma Polygonia oreas (W.H. Edwards, 1869) {{!}} Butterflies and Moths of North America |url=https://www.butterfliesandmoths.org/species/Polygonia-oreas |access-date= |website=www.butterfliesandmoths.org}} Its habitats include coastal redwood forests and mountain conifer forests.

The larvae feed on Ribes species. Adults feed on tree sap and rotting fruit; they rarely feed on flower nectar.