• Synonyms and other combinations

• Latin name	Author
  Agrotis quadrangula	Zetterstedt, 1839

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

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

• Links

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

The QR code below, when scanned, automatically opens a page with a description of this species. Placing the code on a label under the specimen, on poster or information board in a museum or exhibition will allow for quick and easy display of full information about the species on the smartphone of the interested person.