{{Short description|Species of moth}} {{Speciesbox | image = 10067 – Sympistis chionanthi (21689828744).jpg | image2 = Sympistis chionanthi last instar.jpg | image2_caption = Adult (top) and larva (bottom) | taxon = Sympistis chionanthi | authority = (J. E. Smith, 1797) | synonyms = * ''Adita chionanthi'' <small>J. E. Smith, 1797</small> }}

'''''Sympistis chionanthi''''', the '''grey o moth''' or '''fringe-tree sallow''', is a moth of the family Noctuidae. The species was first described by James Edward Smith in 1797.<ref>[https://mothphotographersgroup.msstate.edu/species.php?hodges=10067 mothphotographersgroup]</ref> It is found from North Dakota to Nova Scotia south to at least to Virginia and Kansas.<ref>[https://www.pensoft.net/inc/journals/download.php?fileId=7914&fileTable=J_GALLEYS A new cryptic ''Sympistis'' from eastern North America revealed by novel larval phenotype and host plant association (Lepidoptera, Noctuidae, Oncocnemidinae)]</ref> The habitat consists of deciduous woodlands, including riparian woodlands, but also plantations and farmyard shelterbelts.<ref>{{cite web |author=Anweiler, G. G. |date=2007 |url=https://search.museums.ualberta.ca/g/2-6321 |title=Species Details: ''Sympistis chionanthi'' |website=University of Alberta Museums |publisher=E.H. Strickland Entomological Museum |access-date=December 27, 2020}}</ref>

The wingspan is about 33–38&nbsp;mm. Adults are on wing from August to October in one generation per year.<ref>[https://bugguide.net/node/view/30863 Bug Guide]</ref>

The larvae feed on ''Fraxinus'' and ''Chionanthus'' species (including ''Chionanthus virginicus'') and possibly other Oleaceae species. Larvae can be found in May and June.

==References== {{Commons}} {{Wikispecies}} {{Reflist}}

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Category:Moths described in 1797 chandleri Category:Moths of North America

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