Zerynthia rumina is an extremely striking species. Zerynthia rumina, also called Spanish Festoon or Westlicher Osterluzeifalter is a very charming butterfly from Palaearctic ecozone (Europe). The first description was in 1758 by Linnaeus. With a wingspan of 3.5 – 4.5 cm the Spanish Festoon is a small member of the family PAPILIONIDAE. The butterfly is yellow with black and red spots and a black sinuous line at the margin In south east France it can be confused with the southern festoon (Zerynthia polyxena). The two can be told apart by the presence of blue on the hindwing of the southern festoon. The Spanish festoon also has extensive red on the forewings.
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