Yellow-tail
Sphrageidus similis

The yellow-tail, goldtail moth or swan moth is a moth of the family Erebidae. The species was first described by Johann Kaspar Füssli in 1775, and has commonly been placed within the related genus Euproctis. It is distributed throughout Europe to the Urals, then east across the Palearctic to Siberia and south to India and Sri Lanka. Source
Where it is now
In the last 8 weeks this insect was recorded 7 times across 2 areas (each area is a 5 degree square).
See the Yellow-tail 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 | 27 April 2026 | 27 April 2026 | 6 July 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.