Dun-Bar
Cosmia trapezina
The dun-bar is a moth of the family Noctuidae. It is a common Palearctic species. Source
Where it is now
In the last 8 weeks this insect was recorded 62 times across 5 areas (each area is a 5 degree square).
See the Dun-Bar on the live map
Movement and weather
Each season it is first heard regularly where daytime highs are around 22°C (typically 18 to 27°C, from 7 areas).
Over the weeks it was present in the past year, its centre in Europe ranged from 47°N in June to 63°N in September, about 1,700 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 | 15 June 2026 | 20 July 2026 | 3 August 2026 | 7 |
Figures are effort corrected and come from automatic sound identification, which makes mistakes. How this is measured and how it compares with human observers.