Lesser Yellow Underwing
Noctua comes
The lesser yellow underwing is a moth of the family Noctuidae. Source
Where it is now
In the last 8 weeks this insect was recorded 400 times across 10 areas (each area is a 5 degree square).
See the Lesser Yellow Underwing on the live map
Movement and weather
Over the weeks it was present in the past year, its centre in Europe ranged from 45°N in October to 57°N in August, about 1,400 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 | 6 July 2026 | 27 July 2026 | 17 August 2026 | 4 |
Figures are effort corrected and come from automatic sound identification, which makes mistakes. How this is measured and how it compares with human observers.