| Rhyacia (Rhyacia) quadrangula (Zetterstedt, 1839) |
| Greenland
|  |
Synonyms and other combinations | |
| 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) |