Parnassius apollo butterfly, mountain species in the Pyrenees, Spain

- Image ID: CN02P2
Parnassius apollo butterfly, mountain species in the Pyrenees, Spain
Dylan Becksholt / Alamy Stock Photo
Image ID: CN02P2
Apollo butterfly on flower. This species in southern Europe has become relict to mountain areas having become isolated after last glacial period. Pyrenees, Spain.