The American Ear Moth (Amphipoea americana) is a moth of the Noctuidae family. It is found from coast to coast in the northern United States and southern Canada, it is also present in the Northwest Territories, south in the west to California, south in the east to Georgia The wingspan is 28–35 mm. Adults are on wing from July to September depending on the location. The larvae feed on grasses, sedges and sometimes on the roots of corn.