Courting brimstones: wing walking

Courtship in pierid butterflies, such as brimstones, is usually fairly brief, but can nevertheless, feature some interesting interactions. I happened across a short, unsuccessful courtship in this pair of common brimstones (Gonepteryx rhamni) in NW Spain (Galicia). There are relatively few accounts of courtship in this species; however, Adrian Hoskins – informative as ever –…