Acronicta betulae
| Acronicta betulae | |
|---|---|
 | |
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| Class: | Insecta |
| Order: | Lepidoptera |
| Family: | Noctuidae |
| Genus: | Acronicta |
| Species: | A. betulae |
| Binomial name | |
| Acronicta betulae Riley, 1884 | |
The birch dagger moth (Acronicta betulae) is a moth of the Noctuidae family. It is found from New Hampshire to Florida, west to Texas, north to Wisconsin.
The wingspan is 35–40 mm. Adults are on wing from March to May and from August to September in two generations.
The larvae feed on the leaves of birch, possibly exclusively Betula nigra.