Plagiomimicus spumosum

Plagiomimicus spumosum, the frothy moth, is a moth of the family Noctuidae. The species was first described by Augustus Radcliffe Grote in 1874. It is found in North America, where it has a transcontinental range in the United States, north to southern Ontario and southern Alberta.^[1]

Plagiomimicus spumosum
Scientific classification
Kingdom:	Animalia
Phylum:	Arthropoda
Class:	Insecta
Order:	Lepidoptera
Superfamily:	Noctuoidea
Family:	Noctuidae
Genus:	Plagiomimicus
Species:	P. spumosum
Binomial name
Plagiomimicus spumosum (Grote, 1874)
Synonyms
Stibadium spumosum Grote, 1873 Stibadium mavina Barnes & McDunnough, 1910 Plagiomimicus mavina

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

The larvae feed on Helianthus annuus. They burrow into the head of the host plant and feed on the seeds.^[2]