Roger Powell / Spanish Festoon butterfly (Zerynthia rumina) with wings closed, Castro Verde, Portugal, May

Robert Thompson / Spanish festoon butterfly (Zerynthia rumina) sunning on stone, Cadiz, southern Spain

Robert Thompson / Spanish festoon butterfly (Zerynthia rumina) sunning on plant, Cadiz, southern Spain, May

Robert Thompson / Spanish festoon butterfly (Zerynthia rumina) Cadiz, southern Spain, May

Wild Wonders of Europe / Benvie / Spanish festoon butterfly (Zerynthia rumina) caterpillar feeding on Aristolochia, Digne les Bains, France, May 2009

Roger Powell / Spanish Festoon butterfly {Zerynthia rumina} feeding on Lavender, Extremadura, Spain