Article · Wikipedia archive · Last revised Jun 18, 2026

Acronicta longa

Acronicta longa, the long-winged dagger moth, 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.

Last revised
Jun 18, 2026
Read time
≈ 1 min
Length
143 w
Citations
Source
Acronicta longa
Scientific classification Edit this classification
Kingdom: Animalia
Phylum: Arthropoda
Clade: Pancrustacea
Class: Insecta
Order: Lepidoptera
Superfamily: Noctuoidea
Family: Noctuidae
Genus: Acronicta
Species:
A. longa
Binomial name
Acronicta longa
Guenée, 1852
Synonyms
  • Acronicta xylinoides
  • Acronicta xyliniformis
  • Acronicta pallidicoma

Acronicta longa, the long-winged dagger moth, 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 wingspan is 32–44 mm.

The larvae feed on birch, blackberry, oak and willow.

External links