Dark Green Fritillary

You have at least two different species here Malcolm: pic 1 and 4 is Argynnis aglaja pic 2 is Argynnis niobe pic 3 is most likely Argynnis aglaja pic 5 is possibly likely A. Adippe This is a difficult group isn't it? ;-) The Swiss butterfly site that I contribute to has a key that can guide you through this, but unfortunately it's available only in French: https://lepido.ch/determination I'm emailing you some graphic information that'll help you to better differentiate these 3 fritillaries.