Feathered Gothic

Tholera decimalis

Tholera decimalis, the feathered Gothic, is a species of moth of the family Noctuidae. It is found in Europe and Scandinavia then through the Palearctic to Asia minor, western Central Asia, southern Siberia and in North Africa. Source

Where it is now

In the last 8 weeks this insect was recorded 484 times across 12 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.