It differs from the underside of G. xenocles by the absence in most specimens of the yellow tornal spot on the hindwing; also the terminal brown margin on the same wing is proportionately much broader and much darker.
The differences between the underside of G. xenocles and G. xenocles are characterized by the absence of a yellow tornal spot on the hindwing in most specimens, as well as a broader and darker terminal brown margin on the same wing.