Large Long-horn
Nematopogon swammerdamella
Nematopogon swammerdamella is a moth of the family Adelidae. 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 Large Long-horn 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 | 11 May 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.