''Plagiomimicus spumosum'', the frothy moth, is a

moth Moths are a group of insects that includes all members of the order Lepidoptera that are not Butterfly, butterflies. They were previously classified as suborder Heterocera, but the group is Paraphyly, paraphyletic with respect to butterflies (s ...

of the family

Noctuidae The Noctuidae, commonly known as owlet moths, cutworms or armyworms, are a family (biology), family of moths. Taxonomically, they are considered the most controversial family in the superfamily Noctuoidea because many of the clades are constantly ...

. The species was first described by

Augustus Radcliffe Grote Augustus Radcliffe Grote (February 7, 1841 – September 12, 1903) was a British entomologist who Species description, described over 1,000 species of Lepidoptera, butterflies and moths.Osborn, H. 1937. Fragments of Entomological History. Columb ...

in 1874. It is found in North America, where it has a transcontinental range in the United States, north to southern

Ontario Ontario is the southernmost Provinces and territories of Canada, province of Canada. Located in Central Canada, Ontario is the Population of Canada by province and territory, country's most populous province. As of the 2021 Canadian census, it ...

and southern

Alberta Alberta is a Provinces and territories of Canada, province in Canada. It is a part of Western Canada and is one of the three Canadian Prairies, prairie provinces. Alberta is bordered by British Columbia to its west, Saskatchewan to its east, t ...

. The

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

is 33–40 mm. Adults are on wing in mid-summer in one generation per year. The larvae feed on ''

Helianthus annuus The common sunflower (''Helianthus annuus'') is a species of large annual forb of the daisy family Asteraceae. The common sunflower is harvested for its edible oily seeds, which are often eaten as a snack food. They are also used in the pro ...

''. They burrow into the head of the host plant and feed on the seeds.

References

Moths described in 1874 Stiriinae Moths of North America {{Noctuidae-stub