Dark Green Fritillary Argynnis aglaja

Dark Green Fritillary side
Dark Green Fritillary topside
Dark Green Fritillary underside
The Dark Green Fritillary butterfly is not dark green at all.
There is a greenish tinge to the dark patches of the underside which gives it the name, distinguishing it from several orange and black fritillaries which are similar-looking from the topside.
Dark Green Fritillary
Dark Green Fritillary underside
Dark Green Fritillary underside
It flies from late June to mid August; the one shown above was in mid August so is somewhat faded.