bee flies in this article on the Discover Wildlife site).
We also saw some solitary bees, including this one in the park
We did the same walk today, it was sunny again and we saw lots of butterflies in one of the cemeteries, including this beautiful peacock
The UK Government is, at the moment, allowing us out for one form of #DailyExercise once a day in addition to visiting the shops (as infrequently as possible), travelling to work (for those with essential jobs that can't be done from home) and medical emergencies including helping those who are self isolating. Though there are suggestions that the privilege of outdoor exercise may be removed because of the actions of some people who have been gathering in greenspaces without paying any attention to the need for proper social distancing. (You may be interested in this interesting article about the new politics emerging over the management of public spaces.)