Purple Treble-bar
Aplocera praeformata
Aplocera praeformata, known as the purple treble-bar, is a species of moth in the family Geometridae. 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 Purple Treble-bar 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 | 6 July 2026 | 6 July 2026 | 20 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.