Aglais ichnusa is a small butterfly found in the Palearctic that belongs to the browns family. It is endemic to Corsica and Sardinia.[1]
— ichnusa Bon. (62f) is distinguished particularly by the less angulate wings, the deeper red ground-colour, and usually by the absence of the discal and hindmarginal spots of the forewing. Closely allied to the following race [''turcica'' Stgr. now ''[[Small tortoiseshell|Aglais urticae turcica]] (Staudinger, 1871)], transitions from the nymotypical subspecies to ichnusa occur in the southern districts of the latter. Sardinia, Corsica.[2]
Larvae of Aglais ichnusa feed on Urtica atrovirens and Urtica dioica.[3]