Hypsopygia nostralis
{{Short description|Species of moth}}
{{Speciesbox
| image = Hypsopygia nostralis (29845386920).jpg
| genus = Hypsopygia
| species = nostralis
| authority = (Guenée, 1854){{cite web |url=http://mothphotographersgroup.msstate.edu/species.php?hodges=5531 |title=800093.00 – 5531 – Hypsopygia nostralis – Southern Hayworm Moth – (Guenée, 1854) |website=North American Moth Photographers Group |publisher=Mississippi State University |accessdate=August 14, 2018}}
| synonyms =
- Pyralis nostralis Guenée, 1854
- Ocrasa nostralis
- Herculia nostralis
- Herculia psammioxantha Dyar, 1917
- Herculia sordidalis Barnes & McDunnough, 1913
- Herculia venezuelensis Amsel, 1956
- Parasopia dissimilalis Möschler, 1890
- Pyralis helenensis E. Wollaston, 1879
- Ocrasa helenensis
}}
Hypsopygia nostralis, the southern hayworm moth, is a species of snout moth.{{cite web |last=Nuss |first=M. |display-authors=etal |date=2003–2011 |url=http://globiz.pyraloidea.org/Pages/Reports/TaxonReport.aspx |title=GlobIZ search |website=Global Information System on Pyraloidea |accessdate=September 29, 2011}} It was described by Achille Guenée in 1854. It has a wide distribution and is found in most of South America, Saint Helena, Réunion, Mauritius, Puerto Rico and in the southern United States, from Texas to Florida{{cite web |last=Eiseman |first=Charley |date=January 21, 2014 |url=http://bugguide.net/node/view/345460 |title=Species Hypsopygia nostralis - Southern Hayworm Moth - Hodges#5531 |website=BugGuide |accessdate=August 14, 2018}} and Madagascar[http://v3.boldsystems.org/index.php/Taxbrowser_Taxonpage?taxid=762472 Chr.Wieser at boldsystems ]