Frosted Green
Polyploca ridens

Polyploca ridens, the frosted green, is a moth of the family Drepanidae. It is found in southern and central Europe, England, Denmark, southern Sweden and in the east up to Russia. Source
Where it is now
No records in the last 8 weeks. It may be out of season where the observers and sensors are.
See the Frosted Green on the live map
Movement and weather
Over the weeks it was present in the past year, its centre in Europe ranged from 47°N in April to 58°N in April, about 1,200 km apart.
Arrival dates
The week it was first heard regularly in each region, after at least six weeks away. Dates differ from south to north, so a region has a range.
| Region | First arrival | Last arrival | Typical peak | Areas |
|---|---|---|---|---|
| Europe | 9 March 2026 | 9 March 2026 | 23 March 2026 | 1 |
Figures are effort corrected and come from automatic sound identification, which makes mistakes. How this is measured and how it compares with human observers.