Lesser Purple Emperor
Apatura ilia
Apatura ilia, the lesser purple emperor, is a species of butterfly native to most of Europe and east across the Palearctic. It is named for its similarity to the purple emperor butterfly. 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 Purple Emperor on the live map
Movement and weather
Each season it is first heard regularly where daytime highs are around 21°C (typically 20 to 27°C, from 5 areas).
Over the weeks it was present in the past year, its centre in Europe ranged from 47°N in June to 61°N in July, about 1,500 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 | 25 May 2026 | 6 July 2026 | 29 June 2026 | 5 |
Figures are effort corrected and come from automatic sound identification, which makes mistakes. How this is measured and how it compares with human observers.