Satin Lutestring
Tetheella fluctuosa

Tetheella is a monotypic moth genus in the family Drepanidae described by Werny in 1966. Its single species, Tetheella fluctuosa, the satin lutestring, was described by Jacob Hübner in 1803. It is found from western Europe across the Palearctic to Kamchatka, Sakhalin Island, Korea and Japan. 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 Satin Lutestring on the live map
Movement and weather
Over the weeks it was present in the past year, its centre in Europe ranged from 53°N in August to 63°N in June, about 1,000 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 | 8 June 2026 | 22 June 2026 | 13 July 2026 | 3 |
Figures are effort corrected and come from automatic sound identification, which makes mistakes. How this is measured and how it compares with human observers.