There is a tree, native to Britain, with which you may not be familiar. It is called the Spindle (Euonymus europaeus).
A rather handsome bug was also in evidence this morning, crawling among the leaves of a nearby Alder tree. The Hawthorn Shield Bug (Acanthosoma haemorrhoidale), firstly the adult:
Quite large at about 17mm long and colourful, they make an impressive sight on the leaves of the trees.