Small Fan-foot
Herminia grisealis

Herminia grisealis, the small fan-foot, is a litter moth of the family Erebidae. It is found in Europe. The eastern expansion is across the Palearctic to the Ussuri River and after that Japan. In the Alps it rises up to a height of 1300 meters. 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 Small Fan-foot on the live map
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 | 25 May 2026 | 8 June 2026 | 22 June 2026 | 2 |
Figures are effort corrected and come from automatic sound identification, which makes mistakes. How this is measured and how it compares with human observers.