White-Blotch Bell

Epinotia trigonella

Epinotia trigonella, the birch epinotia moth, is a species of moth of the family Tortricidae. It is found in most of Europe, east to the eastern Palearctic realm. It is also found in North America. Source

Where it is now

In the last 8 weeks this insect was recorded 109 times across 5 areas (each area is a 5 degree square).

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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.