Pyrausta unifascialis

Pyrausta unifascialis, the one-banded pyrausta, is a moth in the family Crambidae. It was described by 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] The forewings are brown with scattered black scales and a whitish S-shaped band in the subterminal area. The hindwings are dark grey with a white triangular discal patch. 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)
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References
  1. "global Pyraloidea database". Globiz.pyraloidea.org. Retrieved 2014-07-15.
  2. mothphotographersgroup
  3. University of Alberta E.H. Strickland Entomological Museum
  4. Bug Guide


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