Of course, the weather falls apart as soon as the Duke of Burgundy starts to emerge...
The butterfly will be at peak season at many of its sites in southern England over the Bank Holiday weekend and early next week. They have had a difficult time with the weather lately, but as yet they haven't had more than they can't cope with inflicted on them, and there will be many more adults to emerge at most sites.
News from various places -
Noar Hill. It started here remarkably...