Long-winged Dagger

Acronicta longa

"Acronicta longa" is a moth of the family Noctuidae. The species was first described by Achille Guenée in 1852. It is found across much of North America, with Nova Scotia, Alberta, Florida, and Texas within is range. The larvae feed on birch, blackberry, oak and willow.
Acronicta longa This is a picture of a Acronicta longa on the South Tract of the Patuxent Research Refuge near Laurel, Maryland. Acronicta longa,Fall,Geotagged,United States

Appearance

The wingspan is 32–44 mm.

References:

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Taxonomy
KingdomAnimalia
DivisionArthropoda
ClassInsecta
OrderLepidoptera
FamilyNoctuidae
GenusAcronicta
SpeciesA. longa