| Acronicta longa | |
|---|---|
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| Class: | Insecta |
| Order: | Lepidoptera |
| Family: | Noctuidae |
| Genus: | Acronicta |
| Species: | A. longa |
| Binomial name | |
| Acronicta longa Guenée, 1852 |
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| Synonyms | |
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The Long-winged Dagger Moth (Acronicta longa) is a moth of the Noctuidae family. It is found across southern Canada, from Nova Scotia west to eastern Alberta, south to Florida and Texas and in the Rocky Mountains.
The wingspan is 32–44 mm.
The larvae feed on birch, blackberry, oak and willow.