• Synonyms and other combinations

• Latin name	Author
  Agrotis quadrangula	Zetterstedt, 1839

• Rhyacia (R.) quadrangula is a member of the clade Rhyacia quadrangula:

• Species	Author
  Rhyacia (R.) clemens	(J.B. Smith, 1890)
  Rhyacia (R.) ledereri	Erschoff, 1870
  Rhyacia (R.) quadrangula	(Zetterstedt, 1839)

• Links

• Language	Website	Authors
  	Butterflies and Moths of North America
  	Lepiforum e. V.
  	North American Moth Photographers Group

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