Be it early spring, mid-summer or even late autumn, sunshine means that the speckled wood (Pararge aegeria) will be out and about. You can see adult speckled wood butterflies at any time from March through to October as they have multiple broods, possibly four or even five, each year. The insect over winters as either a larva or pupa, almost according to choice (the only British species that does this) and so emerge in to adults as soon as the spring weather is warm enough.
This is very much a butterfly of the dappled shade of woodland rides, shady lanes and gardens with trees. They have a lovely pattern of spots and eyes on their wings reflecting their preferred habitat.
This is now a common butterfly across Dorset and will be found in quite reasonable numbers in mid summer and yet I find that many people I lead on walks are not familiar with it, it is often overlooked. It is certainly more common now than it was forty years ago.