''Amphipyra glabella'', the grey amphipyra or smooth amphipyra, is a

moth Moths are a paraphyletic group of insects that includes all members of the order Lepidoptera that are not butterflies, with moths making up the vast majority of the order. There are thought to be approximately 160,000 species of moth, many of w ...

in the family Noctuidae. The species was first described by

Herbert Knowles Morrison Herbert Knowles Morrison (January 24, 1854 – June 15, 1885) was an American entomologist and professional collector of insects. He was one of the founding members of the Cambridge Entomological Club, Massachusetts. Morrison was born in Boston ...

in 1874. It is found in the Eastern parts of the

United States The United States of America (U.S.A. or USA), commonly known as the United States (U.S. or US) or America, is a country primarily located in North America. It consists of 50 states, a federal district, five major unincorporated territori ...

and

Canada Canada is a country in North America. Its ten provinces and three territories extend from the Atlantic Ocean to the Pacific Ocean and northward into the Arctic Ocean, covering over , making it the world's second-largest country by tot ...

. The

wingspan The wingspan (or just span) of a bird or an airplane is the distance from one wingtip to the other wingtip. For example, the Boeing 777–200 has a wingspan of , and a wandering albatross (''Diomedea exulans'') caught in 1965 had a wingspan o ...

is 33–40 mm. Adults are on wing from August to September depending on the location. There is one generation per year.

References

Amphipyrinae Moths of North America Moths described in 1874 {{Amphipyrinae-stub