Here’s my photograph of a Peacock Butterfly, Aglais io, from 2017:
Here’s a photograph from my holiday scrapbooks from forty years ago in 1977:
In the Papilios of Great Britain from 1795 it appears with a stunning illustration:
In Carl Linnaeus’s classic book Systema Naturae from 1758 the Peacock butterfly appears as Io:
Things have changed.