*2.9.1 Taxonomy and nomenclature*

Ochsenheimer proposed the genus *Agrotis* in 1816. There are a number of synonyms proposed for *Agrotis ipsilon*, some of these are *Agrotis aureolum* Schaus, 1898, *Agrotis bipars* Walker, 1857, *Agrotis frivola* Wallengren, 1860, *Agrotis pepoli* Bertolini, 1974, *Agrotis suffusa* (Shiffermiller), *Agrotis telifera* Donzel, 1837, *Bombyx idonea* Cramer, 1780, *Bombyx spinula*Esper, 1786, *Noctua amenituma* Walker, 1865, *Noctua suffusa* Denis & Schffermuller, 1775, *Phalaena ipsilon* Hufnagel, 1766, *Phalaena ypsilon* (Cramer), *Phalaena ypsilon* Rottenberg, 1776, *Rhyacia pernigrata* Warren, 1912 and *Scotia ypsilon* (Hufnagel).
