22°C (12:20 PM) may sound comfortable but weak to moderate winds combined with partly cloudy conditions, high humidity and non-stop traffic were not appreciated by most butterflies.
+-------------------------+---------------------------------+--------+
| Species | Location | Status |
+-------------------------+---------------------------------|--------+
| Aglais io | Yard | Adult |
|-------------------------|---------------------------------|--------|
| Aglais urticae | Yard | Adult |
|–------------------------|---------------------------------|--------|
| Aphantopus hyperantus | Zone I / II | Adult |
|-------------------------|---------------------------------|–-------|
| Coenonympha pamphilus | Mixed Field | Adult |
|–------------------------|---------------------------------|--------|
| Colias sp. | Mixed Field | Adult |
|-------------------------|–--------------------------------|--------|
| Issoria lathonia | Mixed Field | Adult |
|-------------------------|---------------------------------|--------|
| Pieris brassicae | Zone II / III | Adult |
|–------------------------|---------------------------------|--------|
| Pieris rapae | Mixed Field / Zone I / II / III | Adult |
|-------------------------|---------------------------------|--------|
| Polygonia c-album | Yard | Adult |
|-------------------------|---------------------------------|--------|
| Polyommatus icarus | Yard / Mixed Field / Zone II | Adult |
|-------------------------|---------------------------------|--------|
| Satyrium pruni | Zone II | Adult |
|-------------------------|---------------------------------|--------|
| Vanessa atalanta | Yard | Adult |
|-------------------------|---------------------------------|--------|
|-------------------------|---------------------------------|--------|
| Aeshna cyanea | Zone III | Adult |
+-------------------------+---------------------------------+--------+
I. lathonia finally returned after suddenly disappearing in May, whereas both C. pamphilus and S. pruni extend their respective seasons.
An additional C. virgo was seen in "Yard" in the afternoon.