Melanargia arge, the Italian marbled white, is a butterfly of the family Nymphalidae.[1] M. arge Sulz. (= amphitrite Hbn.) (39 f). Above white, only the submarginal lunate line, the two short bands in the centre and at the apex of the cell, and the beautifully blue-centred ocelli being dark — ab. caeca Stgr. is without ocelli; rare among the preceding.[2] It is an endemic species found only in the southern half of Italy and the eastern half of the Italian island of Sicily.It flies in May and June in a single generation in rocky places with abundant flowers. The caterpillar feeds on grasses.