Grey Poplar Bell

Epinotia nisella

Epinotia nisella is a moth of the family Tortricidae which is found in the Palearctic, Europe and North America. It was first described by Carl Alexander Clerck in 1759. Source

Where it is now

In the last 8 weeks this insect was recorded 179 times across 6 areas (each area is a 5 degree square).

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Movement and weather

Over the weeks it was present in the past year, its centre in Europe ranged from 57°N in August to 65°N in September, about 900 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.

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Figures are effort corrected and come from automatic sound identification, which makes mistakes. How this is measured and how it compares with human observers.