Lesser Swallow Prominent
Pheosia gnoma

Pheosia gnoma, the lesser swallow prominent, is a moth from the family Notodontidae. The species was first described by Johan Christian Fabricius in 1777. 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 Lesser Swallow Prominent on the live map
Movement and weather
Over the weeks it was present in the past year, its centre in Europe ranged from 49°N in May to 62°N in July, about 1,400 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 | 27 April 2026 | 13 July 2026 | 3 August 2026 | 4 |
Figures are effort corrected and come from automatic sound identification, which makes mistakes. How this is measured and how it compares with human observers.