At the end of May begining of June, two reserves that have out of the ordinary species, you can find them on google.
1 Prestbury Hill Reserve above Cheltenham, It’s a bit hard to find but is up the hill just past Sainsburys. Very hilly but well worth the effort. Rare butterflies, moths and orchids.
2 Prees Heath Common Reserve, the last place in Midlands for Silver Studded Blue. It’s an old airfield near Whitchurch, Shropshire. Look for them on the Bell Heather very like the Common Blue but have silver spots in wing circles. Google them in for more information.