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:
Phrissura aegis. Plate Pieris VIII Anthocharis Pieris cynis Fig Accepted as Phrissura aegis Felder Illustrations of new species of exotic butterflies selected chiefly from the collections of Wilson Saunders and William Hewitson Volume John van Voorst London Internet Archive org Accepted names from Markku Savelaftp funet fi html