This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
Fr. Berge's Schmetterlingsbuch nach dem gegenwrtigen Stande der Lepidopterologie neu bearb. und hrsg. von Professor Dr. H. Rebel Plate . Parnassius apoUo Parn phoebus Parn mnemosyne Aporia crataegi Pieris callidice cJ Pier Daplidice Plate Illustration biodiversitylibrary org title Berge Friedrich Rebel Hans