In South East France, Zerynthia rumina (a butterfly belonging to the family Papilionidae and Lepidoptera order) can be confused with the Southern Festoon (Zerynthia polyxena), but the two can be told apart by the presence of blue on the hindwing of the southern festoon.
In South East France, Zerynthia rumina (a butterfly belonging to the family Papilionidae and Lepidoptera order) can be confused with the Southern Festoon (Zerynthia polyxena), but the two can be told apart by the presence of blue on the hindwing of the southern festoon.