Pyrausta unifascialis

Pyrausta unifascialis, the one-banded pyrausta, is a moth in the family Crambidae. It was described by Alpheus Spring Packard in 1873.^[1] It is found in North America, where it has been recorded from Quebec west to British Columbia, south to Arizona and California.^[2] The habitat consists of forest openings, clearings and fields.

Pyrausta unifascialis
Scientific classification
Kingdom:	Animalia
Phylum:	Arthropoda
Class:	Insecta
Order:	Lepidoptera
Family:	Crambidae
Genus:	Pyrausta
Species:	P. unifascialis
Binomial name
Pyrausta unifascialis (Packard, 1873)
Synonyms
Botys unifascialis Packard, 1873 Botis obnigralis Hulst, 1886 Botys unifascialis subolivalis Packard, 1873 Botis hircinalis Grote, 1875

The wingspan is 16–24 mm.^[3] Adults are on wing from April to August.

The larvae are polyphagous. They have been recorded feeding on Antennaria, Phaseolus, Eriogonum and Gayophytum species.^[4]

Subspecies

• Pyrausta unifascialis unifascialis (British Columbia, Rocky Mountains, California)
• Pyrausta unifascialis arizonensis Munroe, 1957 (Arizona)
• Pyrausta unifascialis rindgei Munroe, 1857 (southern California)
• Pyrausta unifascialis subolivalis (Packard, 1873) (from Nova Scotia to Alberta, south to New Jersey, Pennsylvania, Illinois)