Acronicta hasta, commonly known as the Dagger Moth, is a species of moth belonging to the family Noctuidae. It is found in North America, particularly in the eastern and central regions. This insect is characterized by its distinctive dagger-shaped mark on its forewings, which gives it its common name. The caterpillars of Acronicta hasta are known to feed on a variety of deciduous trees, making them an important part of forest ecosystems.