Melanargia occitanica, the western marbled white, is a butterfly species belonging to the family Nymphalidae.

(West Morocco, South-west Europe, Portugal, Spain, South France and Italian Alps).

At once recognized by the veins and transverse lines forming a network of brown markings on the hindwing beneath, the large ocelli with their heavy whitish violet centres standing in between the stripes.

The cell of the forewing above bears a black transverse line not far from its apex.

The larvae feed on various grasses- Brachypodium pinnatum, Dactylis glomerata, Lygeum spartum.